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From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.4 commit in: /
Date: Wed,  8 Jun 2016 13:38:10 +0000 (UTC)	[thread overview]
Message-ID: <1465393087.dc03d1f95bf7e8bbfd55587dc4ecfc5d230df989.mpagano@gentoo> (raw)

commit:     dc03d1f95bf7e8bbfd55587dc4ecfc5d230df989
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Jun  8 13:38:07 2016 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Jun  8 13:38:07 2016 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=dc03d1f9

Linux patch 4.4.13

 0000_README             |    4 +
 1012_linux-4.4.13.patch | 3580 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 3584 insertions(+)

diff --git a/0000_README b/0000_README
index 6faf02f..7a07f5e 100644
--- a/0000_README
+++ b/0000_README
@@ -91,6 +91,10 @@ Patch:  1011_linux-4.4.12.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.4.12
 
+Patch:  1012_linux-4.4.13.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.4.13
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1012_linux-4.4.13.patch b/1012_linux-4.4.13.patch
new file mode 100644
index 0000000..0411c19
--- /dev/null
+++ b/1012_linux-4.4.13.patch
@@ -0,0 +1,3580 @@
+diff --git a/Documentation/devicetree/bindings/clock/imx35-clock.txt b/Documentation/devicetree/bindings/clock/imx35-clock.txt
+index a70356452a82..f49783213c56 100644
+--- a/Documentation/devicetree/bindings/clock/imx35-clock.txt
++++ b/Documentation/devicetree/bindings/clock/imx35-clock.txt
+@@ -94,6 +94,7 @@ clocks and IDs.
+ 	csi_sel			79
+ 	iim_gate		80
+ 	gpu2d_gate		81
++	ckli_gate		82
+ 
+ Examples:
+ 
+diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt
+index 88152f214f48..302b5ed616a6 100644
+--- a/Documentation/sysctl/fs.txt
++++ b/Documentation/sysctl/fs.txt
+@@ -32,6 +32,8 @@ Currently, these files are in /proc/sys/fs:
+ - nr_open
+ - overflowuid
+ - overflowgid
++- pipe-user-pages-hard
++- pipe-user-pages-soft
+ - protected_hardlinks
+ - protected_symlinks
+ - suid_dumpable
+@@ -159,6 +161,27 @@ The default is 65534.
+ 
+ ==============================================================
+ 
++pipe-user-pages-hard:
++
++Maximum total number of pages a non-privileged user may allocate for pipes.
++Once this limit is reached, no new pipes may be allocated until usage goes
++below the limit again. When set to 0, no limit is applied, which is the default
++setting.
++
++==============================================================
++
++pipe-user-pages-soft:
++
++Maximum total number of pages a non-privileged user may allocate for pipes
++before the pipe size gets limited to a single page. Once this limit is reached,
++new pipes will be limited to a single page in size for this user in order to
++limit total memory usage, and trying to increase them using fcntl() will be
++denied until usage goes below the limit again. The default value allows to
++allocate up to 1024 pipes at their default size. When set to 0, no limit is
++applied.
++
++==============================================================
++
+ protected_hardlinks:
+ 
+ A long-standing class of security issues is the hardlink-based
+diff --git a/Makefile b/Makefile
+index a1fbd691a36e..f4b33cdf991a 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 4
+-SUBLEVEL = 12
++SUBLEVEL = 13
+ EXTRAVERSION =
+ NAME = Blurry Fish Butt
+ 
+@@ -364,7 +364,7 @@ AFLAGS_MODULE   =
+ LDFLAGS_MODULE  =
+ CFLAGS_KERNEL	=
+ AFLAGS_KERNEL	=
+-CFLAGS_GCOV	= -fprofile-arcs -ftest-coverage
++CFLAGS_GCOV	= -fprofile-arcs -ftest-coverage -fno-tree-loop-im
+ 
+ 
+ # Use USERINCLUDE when you must reference the UAPI directories only.
+diff --git a/arch/arm/boot/dts/armada-385-linksys.dtsi b/arch/arm/boot/dts/armada-385-linksys.dtsi
+index 85d2c377c332..8450944b28e6 100644
+--- a/arch/arm/boot/dts/armada-385-linksys.dtsi
++++ b/arch/arm/boot/dts/armada-385-linksys.dtsi
+@@ -245,7 +245,7 @@
+ 		button@2 {
+ 			label = "Factory Reset Button";
+ 			linux,code = <KEY_RESTART>;
+-			gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
++			gpios = <&gpio0 29 GPIO_ACTIVE_LOW>;
+ 		};
+ 	};
+ 
+@@ -260,7 +260,7 @@
+ 		};
+ 
+ 		sata {
+-			gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
++			gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
+ 			default-state = "off";
+ 		};
+ 	};
+@@ -313,7 +313,7 @@
+ 
+ &pinctrl {
+ 	keys_pin: keys-pin {
+-		marvell,pins = "mpp24", "mpp47";
++		marvell,pins = "mpp24", "mpp29";
+ 		marvell,function = "gpio";
+ 	};
+ 
+diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+index b89e6cf1271a..7a461541ce50 100644
+--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
++++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+@@ -304,13 +304,13 @@
+ 		button@1 {
+ 			label = "WPS";
+ 			linux,code = <KEY_WPS_BUTTON>;
+-			gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
++			gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
+ 		};
+ 
+ 		button@2 {
+ 			label = "Factory Reset Button";
+ 			linux,code = <KEY_RESTART>;
+-			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
++			gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
+ 		};
+ 	};
+ 
+diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
+index a50be640f1b0..59411e447fa0 100644
+--- a/arch/arm/boot/dts/exynos4210-trats.dts
++++ b/arch/arm/boot/dts/exynos4210-trats.dts
+@@ -298,6 +298,8 @@
+ 		compatible = "maxim,max8997-pmic";
+ 
+ 		reg = <0x66>;
++		interrupt-parent = <&gpx0>;
++		interrupts = <7 0>;
+ 
+ 		max8997,pmic-buck1-uses-gpio-dvs;
+ 		max8997,pmic-buck2-uses-gpio-dvs;
+diff --git a/arch/arm/boot/dts/sama5d2-pinfunc.h b/arch/arm/boot/dts/sama5d2-pinfunc.h
+index b0c912feaa2f..8a394f336003 100644
+--- a/arch/arm/boot/dts/sama5d2-pinfunc.h
++++ b/arch/arm/boot/dts/sama5d2-pinfunc.h
+@@ -837,8 +837,8 @@
+ #define PIN_PD23__ISC_FIELD		PINMUX_PIN(PIN_PD23, 6, 4)
+ #define PIN_PD24			120
+ #define PIN_PD24__GPIO			PINMUX_PIN(PIN_PD24, 0, 0)
+-#define PIN_PD24__UTXD2			PINMUX_PIN(PIN_PD23, 1, 2)
+-#define PIN_PD24__FLEXCOM4_IO3		PINMUX_PIN(PIN_PD23, 3, 3)
++#define PIN_PD24__UTXD2			PINMUX_PIN(PIN_PD24, 1, 2)
++#define PIN_PD24__FLEXCOM4_IO3		PINMUX_PIN(PIN_PD24, 3, 3)
+ #define PIN_PD25			121
+ #define PIN_PD25__GPIO			PINMUX_PIN(PIN_PD25, 0, 0)
+ #define PIN_PD25__SPI1_SPCK		PINMUX_PIN(PIN_PD25, 1, 3)
+diff --git a/arch/mips/ath79/early_printk.c b/arch/mips/ath79/early_printk.c
+index b955fafc58ba..d1adc59af5bf 100644
+--- a/arch/mips/ath79/early_printk.c
++++ b/arch/mips/ath79/early_printk.c
+@@ -31,13 +31,15 @@ static inline void prom_putchar_wait(void __iomem *reg, u32 mask, u32 val)
+ 	} while (1);
+ }
+ 
++#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
++
+ static void prom_putchar_ar71xx(unsigned char ch)
+ {
+ 	void __iomem *base = (void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE));
+ 
+-	prom_putchar_wait(base + UART_LSR * 4, UART_LSR_THRE, UART_LSR_THRE);
++	prom_putchar_wait(base + UART_LSR * 4, BOTH_EMPTY, BOTH_EMPTY);
+ 	__raw_writel(ch, base + UART_TX * 4);
+-	prom_putchar_wait(base + UART_LSR * 4, UART_LSR_THRE, UART_LSR_THRE);
++	prom_putchar_wait(base + UART_LSR * 4, BOTH_EMPTY, BOTH_EMPTY);
+ }
+ 
+ static void prom_putchar_ar933x(unsigned char ch)
+diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
+index 867f924b05c7..e689b894353c 100644
+--- a/arch/mips/include/asm/asmmacro.h
++++ b/arch/mips/include/asm/asmmacro.h
+@@ -298,21 +298,21 @@
+ 	.set	pop
+ 	.endm
+ 
+-	.macro	copy_u_w	ws, n
++	.macro	copy_s_w	ws, n
+ 	.set	push
+ 	.set	mips32r2
+ 	.set	fp=64
+ 	.set	msa
+-	copy_u.w $1, $w\ws[\n]
++	copy_s.w $1, $w\ws[\n]
+ 	.set	pop
+ 	.endm
+ 
+-	.macro	copy_u_d	ws, n
++	.macro	copy_s_d	ws, n
+ 	.set	push
+ 	.set	mips64r2
+ 	.set	fp=64
+ 	.set	msa
+-	copy_u.d $1, $w\ws[\n]
++	copy_s.d $1, $w\ws[\n]
+ 	.set	pop
+ 	.endm
+ 
+@@ -346,8 +346,8 @@
+ #define STH_MSA_INSN		0x5800081f
+ #define STW_MSA_INSN		0x5800082f
+ #define STD_MSA_INSN		0x5800083f
+-#define COPY_UW_MSA_INSN	0x58f00056
+-#define COPY_UD_MSA_INSN	0x58f80056
++#define COPY_SW_MSA_INSN	0x58b00056
++#define COPY_SD_MSA_INSN	0x58b80056
+ #define INSERT_W_MSA_INSN	0x59300816
+ #define INSERT_D_MSA_INSN	0x59380816
+ #else
+@@ -361,8 +361,8 @@
+ #define STH_MSA_INSN		0x78000825
+ #define STW_MSA_INSN		0x78000826
+ #define STD_MSA_INSN		0x78000827
+-#define COPY_UW_MSA_INSN	0x78f00059
+-#define COPY_UD_MSA_INSN	0x78f80059
++#define COPY_SW_MSA_INSN	0x78b00059
++#define COPY_SD_MSA_INSN	0x78b80059
+ #define INSERT_W_MSA_INSN	0x79300819
+ #define INSERT_D_MSA_INSN	0x79380819
+ #endif
+@@ -393,7 +393,7 @@
+ 	.set	push
+ 	.set	noat
+ 	SET_HARDFLOAT
+-	addu	$1, \base, \off
++	PTR_ADDU $1, \base, \off
+ 	.word	LDB_MSA_INSN | (\wd << 6)
+ 	.set	pop
+ 	.endm
+@@ -402,7 +402,7 @@
+ 	.set	push
+ 	.set	noat
+ 	SET_HARDFLOAT
+-	addu	$1, \base, \off
++	PTR_ADDU $1, \base, \off
+ 	.word	LDH_MSA_INSN | (\wd << 6)
+ 	.set	pop
+ 	.endm
+@@ -411,7 +411,7 @@
+ 	.set	push
+ 	.set	noat
+ 	SET_HARDFLOAT
+-	addu	$1, \base, \off
++	PTR_ADDU $1, \base, \off
+ 	.word	LDW_MSA_INSN | (\wd << 6)
+ 	.set	pop
+ 	.endm
+@@ -420,7 +420,7 @@
+ 	.set	push
+ 	.set	noat
+ 	SET_HARDFLOAT
+-	addu	$1, \base, \off
++	PTR_ADDU $1, \base, \off
+ 	.word	LDD_MSA_INSN | (\wd << 6)
+ 	.set	pop
+ 	.endm
+@@ -429,7 +429,7 @@
+ 	.set	push
+ 	.set	noat
+ 	SET_HARDFLOAT
+-	addu	$1, \base, \off
++	PTR_ADDU $1, \base, \off
+ 	.word	STB_MSA_INSN | (\wd << 6)
+ 	.set	pop
+ 	.endm
+@@ -438,7 +438,7 @@
+ 	.set	push
+ 	.set	noat
+ 	SET_HARDFLOAT
+-	addu	$1, \base, \off
++	PTR_ADDU $1, \base, \off
+ 	.word	STH_MSA_INSN | (\wd << 6)
+ 	.set	pop
+ 	.endm
+@@ -447,7 +447,7 @@
+ 	.set	push
+ 	.set	noat
+ 	SET_HARDFLOAT
+-	addu	$1, \base, \off
++	PTR_ADDU $1, \base, \off
+ 	.word	STW_MSA_INSN | (\wd << 6)
+ 	.set	pop
+ 	.endm
+@@ -456,26 +456,26 @@
+ 	.set	push
+ 	.set	noat
+ 	SET_HARDFLOAT
+-	addu	$1, \base, \off
++	PTR_ADDU $1, \base, \off
+ 	.word	STD_MSA_INSN | (\wd << 6)
+ 	.set	pop
+ 	.endm
+ 
+-	.macro	copy_u_w	ws, n
++	.macro	copy_s_w	ws, n
+ 	.set	push
+ 	.set	noat
+ 	SET_HARDFLOAT
+ 	.insn
+-	.word	COPY_UW_MSA_INSN | (\n << 16) | (\ws << 11)
++	.word	COPY_SW_MSA_INSN | (\n << 16) | (\ws << 11)
+ 	.set	pop
+ 	.endm
+ 
+-	.macro	copy_u_d	ws, n
++	.macro	copy_s_d	ws, n
+ 	.set	push
+ 	.set	noat
+ 	SET_HARDFLOAT
+ 	.insn
+-	.word	COPY_UD_MSA_INSN | (\n << 16) | (\ws << 11)
++	.word	COPY_SD_MSA_INSN | (\n << 16) | (\ws << 11)
+ 	.set	pop
+ 	.endm
+ 
+diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
+index 723229f4cf27..176de586a71a 100644
+--- a/arch/mips/include/asm/cacheflush.h
++++ b/arch/mips/include/asm/cacheflush.h
+@@ -51,7 +51,6 @@ extern void (*flush_cache_range)(struct vm_area_struct *vma,
+ 	unsigned long start, unsigned long end);
+ extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);
+ extern void __flush_dcache_page(struct page *page);
+-extern void __flush_icache_page(struct vm_area_struct *vma, struct page *page);
+ 
+ #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
+ static inline void flush_dcache_page(struct page *page)
+@@ -77,11 +76,6 @@ static inline void flush_anon_page(struct vm_area_struct *vma,
+ static inline void flush_icache_page(struct vm_area_struct *vma,
+ 	struct page *page)
+ {
+-	if (!cpu_has_ic_fills_f_dc && (vma->vm_flags & VM_EXEC) &&
+-	    Page_dcache_dirty(page)) {
+-		__flush_icache_page(vma, page);
+-		ClearPageDcacheDirty(page);
+-	}
+ }
+ 
+ extern void (*flush_icache_range)(unsigned long start, unsigned long end);
+diff --git a/arch/mips/include/asm/msa.h b/arch/mips/include/asm/msa.h
+index bbb85fe21642..6e4effa6f626 100644
+--- a/arch/mips/include/asm/msa.h
++++ b/arch/mips/include/asm/msa.h
+@@ -147,6 +147,19 @@ static inline void restore_msa(struct task_struct *t)
+ 		_restore_msa(t);
+ }
+ 
++static inline void init_msa_upper(void)
++{
++	/*
++	 * Check cpu_has_msa only if it's a constant. This will allow the
++	 * compiler to optimise out code for CPUs without MSA without adding
++	 * an extra redundant check for CPUs with MSA.
++	 */
++	if (__builtin_constant_p(cpu_has_msa) && !cpu_has_msa)
++		return;
++
++	_init_msa_upper();
++}
++
+ #ifdef TOOLCHAIN_SUPPORTS_MSA
+ 
+ #define __BUILD_MSA_CTL_REG(name, cs)				\
+diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
+index 18826aa15a7c..4e68c644acc5 100644
+--- a/arch/mips/include/asm/pgtable.h
++++ b/arch/mips/include/asm/pgtable.h
+@@ -127,10 +127,14 @@ do {									\
+ 	}								\
+ } while(0)
+ 
++static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
++			      pte_t *ptep, pte_t pteval);
++
+ #if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
+ 
+ #define pte_none(pte)		(!(((pte).pte_high) & ~_PAGE_GLOBAL))
+ #define pte_present(pte)	((pte).pte_low & _PAGE_PRESENT)
++#define pte_no_exec(pte)	((pte).pte_low & _PAGE_NO_EXEC)
+ 
+ static inline void set_pte(pte_t *ptep, pte_t pte)
+ {
+@@ -148,7 +152,6 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
+ 			buddy->pte_high |= _PAGE_GLOBAL;
+ 	}
+ }
+-#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
+ 
+ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+ {
+@@ -166,6 +169,7 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
+ 
+ #define pte_none(pte)		(!(pte_val(pte) & ~_PAGE_GLOBAL))
+ #define pte_present(pte)	(pte_val(pte) & _PAGE_PRESENT)
++#define pte_no_exec(pte)	(pte_val(pte) & _PAGE_NO_EXEC)
+ 
+ /*
+  * Certain architectures need to do special things when pte's
+@@ -218,7 +222,6 @@ static inline void set_pte(pte_t *ptep, pte_t pteval)
+ 	}
+ #endif
+ }
+-#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
+ 
+ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+ {
+@@ -234,6 +237,22 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
+ }
+ #endif
+ 
++static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
++			      pte_t *ptep, pte_t pteval)
++{
++	extern void __update_cache(unsigned long address, pte_t pte);
++
++	if (!pte_present(pteval))
++		goto cache_sync_done;
++
++	if (pte_present(*ptep) && (pte_pfn(*ptep) == pte_pfn(pteval)))
++		goto cache_sync_done;
++
++	__update_cache(addr, pteval);
++cache_sync_done:
++	set_pte(ptep, pteval);
++}
++
+ /*
+  * (pmds are folded into puds so this doesn't get actually called,
+  * but the define is needed for a generic inline function.)
+@@ -430,15 +449,12 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+ 
+ extern void __update_tlb(struct vm_area_struct *vma, unsigned long address,
+ 	pte_t pte);
+-extern void __update_cache(struct vm_area_struct *vma, unsigned long address,
+-	pte_t pte);
+ 
+ static inline void update_mmu_cache(struct vm_area_struct *vma,
+ 	unsigned long address, pte_t *ptep)
+ {
+ 	pte_t pte = *ptep;
+ 	__update_tlb(vma, address, pte);
+-	__update_cache(vma, address, pte);
+ }
+ 
+ static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
+diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h
+index 28b5d84a5022..ebb5c0f2f90d 100644
+--- a/arch/mips/include/asm/switch_to.h
++++ b/arch/mips/include/asm/switch_to.h
+@@ -105,7 +105,7 @@ do {									\
+ 	__clear_software_ll_bit();					\
+ 	if (cpu_has_userlocal)						\
+ 		write_c0_userlocal(task_thread_info(next)->tp_value);	\
+-	__restore_watch();						\
++	__restore_watch(next);						\
+ 	(last) = resume(prev, next, task_thread_info(next));		\
+ } while (0)
+ 
+diff --git a/arch/mips/include/asm/watch.h b/arch/mips/include/asm/watch.h
+index 20126ec79359..6ffe3eadf105 100644
+--- a/arch/mips/include/asm/watch.h
++++ b/arch/mips/include/asm/watch.h
+@@ -12,21 +12,21 @@
+ 
+ #include <asm/mipsregs.h>
+ 
+-void mips_install_watch_registers(void);
++void mips_install_watch_registers(struct task_struct *t);
+ void mips_read_watch_registers(void);
+ void mips_clear_watch_registers(void);
+ void mips_probe_watch_registers(struct cpuinfo_mips *c);
+ 
+ #ifdef CONFIG_HARDWARE_WATCHPOINTS
+-#define __restore_watch() do {						\
++#define __restore_watch(task) do {					\
+ 	if (unlikely(test_bit(TIF_LOAD_WATCH,				\
+-			      &current_thread_info()->flags))) {	\
+-		mips_install_watch_registers();				\
++			      &task_thread_info(task)->flags))) {	\
++		mips_install_watch_registers(task);			\
+ 	}								\
+ } while (0)
+ 
+ #else
+-#define __restore_watch() do {} while (0)
++#define __restore_watch(task) do {} while (0)
+ #endif
+ 
+ #endif /* _ASM_WATCH_H */
+diff --git a/arch/mips/include/uapi/asm/siginfo.h b/arch/mips/include/uapi/asm/siginfo.h
+index 2cb7fdead570..e2b5337e840f 100644
+--- a/arch/mips/include/uapi/asm/siginfo.h
++++ b/arch/mips/include/uapi/asm/siginfo.h
+@@ -28,7 +28,7 @@
+ 
+ #define __ARCH_SIGSYS
+ 
+-#include <uapi/asm-generic/siginfo.h>
++#include <asm-generic/siginfo.h>
+ 
+ /* We can't use generic siginfo_t, because our si_code and si_errno are swapped */
+ typedef struct siginfo {
+@@ -42,13 +42,13 @@ typedef struct siginfo {
+ 
+ 		/* kill() */
+ 		struct {
+-			pid_t _pid;		/* sender's pid */
++			__kernel_pid_t _pid;	/* sender's pid */
+ 			__ARCH_SI_UID_T _uid;	/* sender's uid */
+ 		} _kill;
+ 
+ 		/* POSIX.1b timers */
+ 		struct {
+-			timer_t _tid;		/* timer id */
++			__kernel_timer_t _tid;	/* timer id */
+ 			int _overrun;		/* overrun count */
+ 			char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
+ 			sigval_t _sigval;	/* same as below */
+@@ -57,26 +57,26 @@ typedef struct siginfo {
+ 
+ 		/* POSIX.1b signals */
+ 		struct {
+-			pid_t _pid;		/* sender's pid */
++			__kernel_pid_t _pid;	/* sender's pid */
+ 			__ARCH_SI_UID_T _uid;	/* sender's uid */
+ 			sigval_t _sigval;
+ 		} _rt;
+ 
+ 		/* SIGCHLD */
+ 		struct {
+-			pid_t _pid;		/* which child */
++			__kernel_pid_t _pid;	/* which child */
+ 			__ARCH_SI_UID_T _uid;	/* sender's uid */
+ 			int _status;		/* exit code */
+-			clock_t _utime;
+-			clock_t _stime;
++			__kernel_clock_t _utime;
++			__kernel_clock_t _stime;
+ 		} _sigchld;
+ 
+ 		/* IRIX SIGCHLD */
+ 		struct {
+-			pid_t _pid;		/* which child */
+-			clock_t _utime;
++			__kernel_pid_t _pid;	/* which child */
++			__kernel_clock_t _utime;
+ 			int _status;		/* exit code */
+-			clock_t _stime;
++			__kernel_clock_t _stime;
+ 		} _irix_sigchld;
+ 
+ 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
+@@ -118,6 +118,4 @@ typedef struct siginfo {
+ #define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
+ #define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */
+ 
+-#include <asm-generic/siginfo.h>
+-
+ #endif /* _UAPI_ASM_SIGINFO_H */
+diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c
+index 1f5aac7f9ec3..4674a74a08b5 100644
+--- a/arch/mips/kernel/mips-r2-to-r6-emul.c
++++ b/arch/mips/kernel/mips-r2-to-r6-emul.c
+@@ -28,6 +28,7 @@
+ #include <asm/inst.h>
+ #include <asm/mips-r2-to-r6-emul.h>
+ #include <asm/local.h>
++#include <asm/mipsregs.h>
+ #include <asm/ptrace.h>
+ #include <asm/uaccess.h>
+ 
+@@ -1251,10 +1252,10 @@ fpu_emul:
+ 			"	j	10b\n"
+ 			"	.previous\n"
+ 			"	.section	__ex_table,\"a\"\n"
+-			"	.word	1b,8b\n"
+-			"	.word	2b,8b\n"
+-			"	.word	3b,8b\n"
+-			"	.word	4b,8b\n"
++			STR(PTR) " 1b,8b\n"
++			STR(PTR) " 2b,8b\n"
++			STR(PTR) " 3b,8b\n"
++			STR(PTR) " 4b,8b\n"
+ 			"	.previous\n"
+ 			"	.set	pop\n"
+ 			: "+&r"(rt), "=&r"(rs),
+@@ -1326,10 +1327,10 @@ fpu_emul:
+ 			"	j	10b\n"
+ 			"       .previous\n"
+ 			"	.section	__ex_table,\"a\"\n"
+-			"	.word	1b,8b\n"
+-			"	.word	2b,8b\n"
+-			"	.word	3b,8b\n"
+-			"	.word	4b,8b\n"
++			STR(PTR) " 1b,8b\n"
++			STR(PTR) " 2b,8b\n"
++			STR(PTR) " 3b,8b\n"
++			STR(PTR) " 4b,8b\n"
+ 			"	.previous\n"
+ 			"	.set	pop\n"
+ 			: "+&r"(rt), "=&r"(rs),
+@@ -1397,10 +1398,10 @@ fpu_emul:
+ 			"	j	9b\n"
+ 			"	.previous\n"
+ 			"	.section        __ex_table,\"a\"\n"
+-			"	.word	1b,8b\n"
+-			"	.word	2b,8b\n"
+-			"	.word	3b,8b\n"
+-			"	.word	4b,8b\n"
++			STR(PTR) " 1b,8b\n"
++			STR(PTR) " 2b,8b\n"
++			STR(PTR) " 3b,8b\n"
++			STR(PTR) " 4b,8b\n"
+ 			"	.previous\n"
+ 			"	.set	pop\n"
+ 			: "+&r"(rt), "=&r"(rs),
+@@ -1467,10 +1468,10 @@ fpu_emul:
+ 			"	j	9b\n"
+ 			"	.previous\n"
+ 			"	.section        __ex_table,\"a\"\n"
+-			"	.word	1b,8b\n"
+-			"	.word	2b,8b\n"
+-			"	.word	3b,8b\n"
+-			"	.word	4b,8b\n"
++			STR(PTR) " 1b,8b\n"
++			STR(PTR) " 2b,8b\n"
++			STR(PTR) " 3b,8b\n"
++			STR(PTR) " 4b,8b\n"
+ 			"	.previous\n"
+ 			"	.set	pop\n"
+ 			: "+&r"(rt), "=&r"(rs),
+@@ -1582,14 +1583,14 @@ fpu_emul:
+ 			"	j	9b\n"
+ 			"	.previous\n"
+ 			"	.section        __ex_table,\"a\"\n"
+-			"	.word	1b,8b\n"
+-			"	.word	2b,8b\n"
+-			"	.word	3b,8b\n"
+-			"	.word	4b,8b\n"
+-			"	.word	5b,8b\n"
+-			"	.word	6b,8b\n"
+-			"	.word	7b,8b\n"
+-			"	.word	0b,8b\n"
++			STR(PTR) " 1b,8b\n"
++			STR(PTR) " 2b,8b\n"
++			STR(PTR) " 3b,8b\n"
++			STR(PTR) " 4b,8b\n"
++			STR(PTR) " 5b,8b\n"
++			STR(PTR) " 6b,8b\n"
++			STR(PTR) " 7b,8b\n"
++			STR(PTR) " 0b,8b\n"
+ 			"	.previous\n"
+ 			"	.set	pop\n"
+ 			: "+&r"(rt), "=&r"(rs),
+@@ -1701,14 +1702,14 @@ fpu_emul:
+ 			"	j      9b\n"
+ 			"	.previous\n"
+ 			"	.section        __ex_table,\"a\"\n"
+-			"	.word  1b,8b\n"
+-			"	.word  2b,8b\n"
+-			"	.word  3b,8b\n"
+-			"	.word  4b,8b\n"
+-			"	.word  5b,8b\n"
+-			"	.word  6b,8b\n"
+-			"	.word  7b,8b\n"
+-			"	.word  0b,8b\n"
++			STR(PTR) " 1b,8b\n"
++			STR(PTR) " 2b,8b\n"
++			STR(PTR) " 3b,8b\n"
++			STR(PTR) " 4b,8b\n"
++			STR(PTR) " 5b,8b\n"
++			STR(PTR) " 6b,8b\n"
++			STR(PTR) " 7b,8b\n"
++			STR(PTR) " 0b,8b\n"
+ 			"	.previous\n"
+ 			"	.set    pop\n"
+ 			: "+&r"(rt), "=&r"(rs),
+@@ -1820,14 +1821,14 @@ fpu_emul:
+ 			"	j	9b\n"
+ 			"	.previous\n"
+ 			"	.section        __ex_table,\"a\"\n"
+-			"	.word	1b,8b\n"
+-			"	.word	2b,8b\n"
+-			"	.word	3b,8b\n"
+-			"	.word	4b,8b\n"
+-			"	.word	5b,8b\n"
+-			"	.word	6b,8b\n"
+-			"	.word	7b,8b\n"
+-			"	.word	0b,8b\n"
++			STR(PTR) " 1b,8b\n"
++			STR(PTR) " 2b,8b\n"
++			STR(PTR) " 3b,8b\n"
++			STR(PTR) " 4b,8b\n"
++			STR(PTR) " 5b,8b\n"
++			STR(PTR) " 6b,8b\n"
++			STR(PTR) " 7b,8b\n"
++			STR(PTR) " 0b,8b\n"
+ 			"	.previous\n"
+ 			"	.set	pop\n"
+ 			: "+&r"(rt), "=&r"(rs),
+@@ -1938,14 +1939,14 @@ fpu_emul:
+ 			"       j	9b\n"
+ 			"       .previous\n"
+ 			"       .section        __ex_table,\"a\"\n"
+-			"       .word	1b,8b\n"
+-			"       .word	2b,8b\n"
+-			"       .word	3b,8b\n"
+-			"       .word	4b,8b\n"
+-			"       .word	5b,8b\n"
+-			"       .word	6b,8b\n"
+-			"       .word	7b,8b\n"
+-			"       .word	0b,8b\n"
++			STR(PTR) " 1b,8b\n"
++			STR(PTR) " 2b,8b\n"
++			STR(PTR) " 3b,8b\n"
++			STR(PTR) " 4b,8b\n"
++			STR(PTR) " 5b,8b\n"
++			STR(PTR) " 6b,8b\n"
++			STR(PTR) " 7b,8b\n"
++			STR(PTR) " 0b,8b\n"
+ 			"       .previous\n"
+ 			"       .set	pop\n"
+ 			: "+&r"(rt), "=&r"(rs),
+@@ -2000,7 +2001,7 @@ fpu_emul:
+ 			"j	2b\n"
+ 			".previous\n"
+ 			".section        __ex_table,\"a\"\n"
+-			".word  1b, 3b\n"
++			STR(PTR) " 1b,3b\n"
+ 			".previous\n"
+ 			: "=&r"(res), "+&r"(err)
+ 			: "r"(vaddr), "i"(SIGSEGV)
+@@ -2058,7 +2059,7 @@ fpu_emul:
+ 			"j	2b\n"
+ 			".previous\n"
+ 			".section        __ex_table,\"a\"\n"
+-			".word	1b, 3b\n"
++			STR(PTR) " 1b,3b\n"
+ 			".previous\n"
+ 			: "+&r"(res), "+&r"(err)
+ 			: "r"(vaddr), "i"(SIGSEGV));
+@@ -2119,7 +2120,7 @@ fpu_emul:
+ 			"j	2b\n"
+ 			".previous\n"
+ 			".section        __ex_table,\"a\"\n"
+-			".word  1b, 3b\n"
++			STR(PTR) " 1b,3b\n"
+ 			".previous\n"
+ 			: "=&r"(res), "+&r"(err)
+ 			: "r"(vaddr), "i"(SIGSEGV)
+@@ -2182,7 +2183,7 @@ fpu_emul:
+ 			"j	2b\n"
+ 			".previous\n"
+ 			".section        __ex_table,\"a\"\n"
+-			".word	1b, 3b\n"
++			STR(PTR) " 1b,3b\n"
+ 			".previous\n"
+ 			: "+&r"(res), "+&r"(err)
+ 			: "r"(vaddr), "i"(SIGSEGV));
+diff --git a/arch/mips/kernel/pm.c b/arch/mips/kernel/pm.c
+index fefdf39d3df3..dc814892133c 100644
+--- a/arch/mips/kernel/pm.c
++++ b/arch/mips/kernel/pm.c
+@@ -56,7 +56,7 @@ static void mips_cpu_restore(void)
+ 		write_c0_userlocal(current_thread_info()->tp_value);
+ 
+ 	/* Restore watch registers */
+-	__restore_watch();
++	__restore_watch(current);
+ }
+ 
+ /**
+diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
+index f2975d4d1e44..89847bee2b53 100644
+--- a/arch/mips/kernel/process.c
++++ b/arch/mips/kernel/process.c
+@@ -457,7 +457,7 @@ unsigned long notrace unwind_stack_by_address(unsigned long stack_page,
+ 		    *sp + sizeof(*regs) <= stack_page + THREAD_SIZE - 32) {
+ 			regs = (struct pt_regs *)*sp;
+ 			pc = regs->cp0_epc;
+-			if (__kernel_text_address(pc)) {
++			if (!user_mode(regs) && __kernel_text_address(pc)) {
+ 				*sp = regs->regs[29];
+ 				*ra = regs->regs[31];
+ 				return pc;
+@@ -603,6 +603,9 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
+ 	if (!(value & PR_FP_MODE_FR) && cpu_has_fpu && cpu_has_mips_r6)
+ 		return -EOPNOTSUPP;
+ 
++	/* Proceed with the mode switch */
++	preempt_disable();
++
+ 	/* Save FP & vector context, then disable FPU & MSA */
+ 	if (task->signal == current->signal)
+ 		lose_fpu(1);
+@@ -661,6 +664,7 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
+ 
+ 	/* Allow threads to use FP again */
+ 	atomic_set(&task->mm->context.fp_mode_switching, 0);
++	preempt_enable();
+ 
+ 	return 0;
+ }
+diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
+index 4f0ac78d17f1..74d581569778 100644
+--- a/arch/mips/kernel/ptrace.c
++++ b/arch/mips/kernel/ptrace.c
+@@ -57,8 +57,7 @@ static void init_fp_ctx(struct task_struct *target)
+ 	/* Begin with data registers set to all 1s... */
+ 	memset(&target->thread.fpu.fpr, ~0, sizeof(target->thread.fpu.fpr));
+ 
+-	/* ...and FCSR zeroed */
+-	target->thread.fpu.fcr31 = 0;
++	/* FCSR has been preset by `mips_set_personality_nan'.  */
+ 
+ 	/*
+ 	 * Record that the target has "used" math, such that the context
+@@ -80,6 +79,22 @@ void ptrace_disable(struct task_struct *child)
+ }
+ 
+ /*
++ * Poke at FCSR according to its mask.  Don't set the cause bits as
++ * this is currently not handled correctly in FP context restoration
++ * and will cause an oops if a corresponding enable bit is set.
++ */
++static void ptrace_setfcr31(struct task_struct *child, u32 value)
++{
++	u32 fcr31;
++	u32 mask;
++
++	value &= ~FPU_CSR_ALL_X;
++	fcr31 = child->thread.fpu.fcr31;
++	mask = boot_cpu_data.fpu_msk31;
++	child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask);
++}
++
++/*
+  * Read a general register set.	 We always use the 64-bit format, even
+  * for 32-bit kernels and for 32-bit processes on a 64-bit kernel.
+  * Registers are sign extended to fill the available space.
+@@ -159,9 +174,7 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
+ {
+ 	union fpureg *fregs;
+ 	u64 fpr_val;
+-	u32 fcr31;
+ 	u32 value;
+-	u32 mask;
+ 	int i;
+ 
+ 	if (!access_ok(VERIFY_READ, data, 33 * 8))
+@@ -176,9 +189,7 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data)
+ 	}
+ 
+ 	__get_user(value, data + 64);
+-	fcr31 = child->thread.fpu.fcr31;
+-	mask = boot_cpu_data.fpu_msk31;
+-	child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask);
++	ptrace_setfcr31(child, value);
+ 
+ 	/* FIR may not be written.  */
+ 
+@@ -808,7 +819,7 @@ long arch_ptrace(struct task_struct *child, long request,
+ 			break;
+ #endif
+ 		case FPC_CSR:
+-			child->thread.fpu.fcr31 = data & ~FPU_CSR_ALL_X;
++			ptrace_setfcr31(child, data);
+ 			break;
+ 		case DSP_BASE ... DSP_BASE + 5: {
+ 			dspreg_t *dregs;
+diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S
+index f09546ee2cdc..bc74485ec805 100644
+--- a/arch/mips/kernel/r4k_fpu.S
++++ b/arch/mips/kernel/r4k_fpu.S
+@@ -244,17 +244,17 @@ LEAF(\name)
+ 	.set	push
+ 	.set	noat
+ #ifdef CONFIG_64BIT
+-	copy_u_d \wr, 1
++	copy_s_d \wr, 1
+ 	EX sd	$1, \off(\base)
+ #elif defined(CONFIG_CPU_LITTLE_ENDIAN)
+-	copy_u_w \wr, 2
++	copy_s_w \wr, 2
+ 	EX sw	$1, \off(\base)
+-	copy_u_w \wr, 3
++	copy_s_w \wr, 3
+ 	EX sw	$1, (\off+4)(\base)
+ #else /* CONFIG_CPU_BIG_ENDIAN */
+-	copy_u_w \wr, 2
++	copy_s_w \wr, 2
+ 	EX sw	$1, (\off+4)(\base)
+-	copy_u_w \wr, 3
++	copy_s_w \wr, 3
+ 	EX sw	$1, \off(\base)
+ #endif
+ 	.set	pop
+diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
+index 66aac55df349..8acae316f26b 100644
+--- a/arch/mips/kernel/setup.c
++++ b/arch/mips/kernel/setup.c
+@@ -706,6 +706,9 @@ static void __init arch_mem_init(char **cmdline_p)
+ 	for_each_memblock(reserved, reg)
+ 		if (reg->size != 0)
+ 			reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
++
++	reserve_bootmem_region(__pa_symbol(&__nosave_begin),
++			__pa_symbol(&__nosave_end)); /* Reserve for hibernation */
+ }
+ 
+ static void __init resource_init(void)
+diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
+index bf792e2839a6..9e35b6b26aa8 100644
+--- a/arch/mips/kernel/signal.c
++++ b/arch/mips/kernel/signal.c
+@@ -195,6 +195,9 @@ static int restore_msa_extcontext(void __user *buf, unsigned int size)
+ 	unsigned int csr;
+ 	int i, err;
+ 
++	if (!config_enabled(CONFIG_CPU_HAS_MSA))
++		return SIGSYS;
++
+ 	if (size != sizeof(*msa))
+ 		return -EINVAL;
+ 
+@@ -398,8 +401,8 @@ int protected_restore_fp_context(void __user *sc)
+ 	}
+ 
+ fp_done:
+-	if (used & USED_EXTCONTEXT)
+-		err |= restore_extcontext(sc_to_extcontext(sc));
++	if (!err && (used & USED_EXTCONTEXT))
++		err = restore_extcontext(sc_to_extcontext(sc));
+ 
+ 	return err ?: sig;
+ }
+@@ -767,15 +770,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
+ 	sigset_t *oldset = sigmask_to_save();
+ 	int ret;
+ 	struct mips_abi *abi = current->thread.abi;
+-#ifdef CONFIG_CPU_MICROMIPS
+-	void *vdso;
+-	unsigned long tmp = (unsigned long)current->mm->context.vdso;
+-
+-	set_isa16_mode(tmp);
+-	vdso = (void *)tmp;
+-#else
+ 	void *vdso = current->mm->context.vdso;
+-#endif
+ 
+ 	if (regs->regs[0]) {
+ 		switch(regs->regs[2]) {
+diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
+index ca9a81007489..99a402231f4d 100644
+--- a/arch/mips/kernel/traps.c
++++ b/arch/mips/kernel/traps.c
+@@ -144,7 +144,7 @@ static void show_backtrace(struct task_struct *task, const struct pt_regs *regs)
+ 	if (!task)
+ 		task = current;
+ 
+-	if (raw_show_trace || !__kernel_text_address(pc)) {
++	if (raw_show_trace || user_mode(regs) || !__kernel_text_address(pc)) {
+ 		show_raw_backtrace(sp);
+ 		return;
+ 	}
+@@ -1241,7 +1241,7 @@ static int enable_restore_fp_context(int msa)
+ 		err = init_fpu();
+ 		if (msa && !err) {
+ 			enable_msa();
+-			_init_msa_upper();
++			init_msa_upper();
+ 			set_thread_flag(TIF_USEDMSA);
+ 			set_thread_flag(TIF_MSA_CTX_LIVE);
+ 		}
+@@ -1304,7 +1304,7 @@ static int enable_restore_fp_context(int msa)
+ 	 */
+ 	prior_msa = test_and_set_thread_flag(TIF_MSA_CTX_LIVE);
+ 	if (!prior_msa && was_fpu_owner) {
+-		_init_msa_upper();
++		init_msa_upper();
+ 
+ 		goto out;
+ 	}
+@@ -1321,7 +1321,7 @@ static int enable_restore_fp_context(int msa)
+ 		 * of each vector register such that it cannot see data left
+ 		 * behind by another task.
+ 		 */
+-		_init_msa_upper();
++		init_msa_upper();
+ 	} else {
+ 		/* We need to restore the vector context. */
+ 		restore_msa(current);
+diff --git a/arch/mips/kernel/watch.c b/arch/mips/kernel/watch.c
+index 2a03abb5bd2c..9b78e375118e 100644
+--- a/arch/mips/kernel/watch.c
++++ b/arch/mips/kernel/watch.c
+@@ -15,10 +15,9 @@
+  * Install the watch registers for the current thread.	A maximum of
+  * four registers are installed although the machine may have more.
+  */
+-void mips_install_watch_registers(void)
++void mips_install_watch_registers(struct task_struct *t)
+ {
+-	struct mips3264_watch_reg_state *watches =
+-		&current->thread.watch.mips3264;
++	struct mips3264_watch_reg_state *watches = &t->thread.watch.mips3264;
+ 	switch (current_cpu_data.watch_reg_use_cnt) {
+ 	default:
+ 		BUG();
+diff --git a/arch/mips/lib/ashldi3.c b/arch/mips/lib/ashldi3.c
+index beb80f316095..927dc94a030f 100644
+--- a/arch/mips/lib/ashldi3.c
++++ b/arch/mips/lib/ashldi3.c
+@@ -2,7 +2,7 @@
+ 
+ #include "libgcc.h"
+ 
+-long long __ashldi3(long long u, word_type b)
++long long notrace __ashldi3(long long u, word_type b)
+ {
+ 	DWunion uu, w;
+ 	word_type bm;
+diff --git a/arch/mips/lib/ashrdi3.c b/arch/mips/lib/ashrdi3.c
+index c884a912b660..9fdf1a598428 100644
+--- a/arch/mips/lib/ashrdi3.c
++++ b/arch/mips/lib/ashrdi3.c
+@@ -2,7 +2,7 @@
+ 
+ #include "libgcc.h"
+ 
+-long long __ashrdi3(long long u, word_type b)
++long long notrace __ashrdi3(long long u, word_type b)
+ {
+ 	DWunion uu, w;
+ 	word_type bm;
+diff --git a/arch/mips/lib/bswapdi.c b/arch/mips/lib/bswapdi.c
+index 77e5f9c1f005..e3e77aa52c95 100644
+--- a/arch/mips/lib/bswapdi.c
++++ b/arch/mips/lib/bswapdi.c
+@@ -1,6 +1,6 @@
+ #include <linux/module.h>
+ 
+-unsigned long long __bswapdi2(unsigned long long u)
++unsigned long long notrace __bswapdi2(unsigned long long u)
+ {
+ 	return (((u) & 0xff00000000000000ull) >> 56) |
+ 	       (((u) & 0x00ff000000000000ull) >> 40) |
+diff --git a/arch/mips/lib/bswapsi.c b/arch/mips/lib/bswapsi.c
+index 2b302ff121d2..530a8afe6fda 100644
+--- a/arch/mips/lib/bswapsi.c
++++ b/arch/mips/lib/bswapsi.c
+@@ -1,6 +1,6 @@
+ #include <linux/module.h>
+ 
+-unsigned int __bswapsi2(unsigned int u)
++unsigned int notrace __bswapsi2(unsigned int u)
+ {
+ 	return (((u) & 0xff000000) >> 24) |
+ 	       (((u) & 0x00ff0000) >>  8) |
+diff --git a/arch/mips/lib/cmpdi2.c b/arch/mips/lib/cmpdi2.c
+index 8c1306437ed1..06857da96993 100644
+--- a/arch/mips/lib/cmpdi2.c
++++ b/arch/mips/lib/cmpdi2.c
+@@ -2,7 +2,7 @@
+ 
+ #include "libgcc.h"
+ 
+-word_type __cmpdi2(long long a, long long b)
++word_type notrace __cmpdi2(long long a, long long b)
+ {
+ 	const DWunion au = {
+ 		.ll = a
+diff --git a/arch/mips/lib/lshrdi3.c b/arch/mips/lib/lshrdi3.c
+index dcf8d6810b7c..364547449c65 100644
+--- a/arch/mips/lib/lshrdi3.c
++++ b/arch/mips/lib/lshrdi3.c
+@@ -2,7 +2,7 @@
+ 
+ #include "libgcc.h"
+ 
+-long long __lshrdi3(long long u, word_type b)
++long long notrace __lshrdi3(long long u, word_type b)
+ {
+ 	DWunion uu, w;
+ 	word_type bm;
+diff --git a/arch/mips/lib/ucmpdi2.c b/arch/mips/lib/ucmpdi2.c
+index bb4cb2f828ea..bd599f58234c 100644
+--- a/arch/mips/lib/ucmpdi2.c
++++ b/arch/mips/lib/ucmpdi2.c
+@@ -2,7 +2,7 @@
+ 
+ #include "libgcc.h"
+ 
+-word_type __ucmpdi2(unsigned long long a, unsigned long long b)
++word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
+ {
+ 	const DWunion au = {.ll = a};
+ 	const DWunion bu = {.ll = b};
+diff --git a/arch/mips/loongson64/loongson-3/numa.c b/arch/mips/loongson64/loongson-3/numa.c
+index 6f9e010cec4d..282c5a8c2fcd 100644
+--- a/arch/mips/loongson64/loongson-3/numa.c
++++ b/arch/mips/loongson64/loongson-3/numa.c
+@@ -213,10 +213,10 @@ static void __init node_mem_init(unsigned int node)
+ 		BOOTMEM_DEFAULT);
+ 
+ 	if (node == 0 && node_end_pfn(0) >= (0xffffffff >> PAGE_SHIFT)) {
+-		/* Reserve 0xff800000~0xffffffff for RS780E integrated GPU */
++		/* Reserve 0xfe000000~0xffffffff for RS780E integrated GPU */
+ 		reserve_bootmem_node(NODE_DATA(node),
+-				(node_addrspace_offset | 0xff800000),
+-				8 << 20, BOOTMEM_DEFAULT);
++				(node_addrspace_offset | 0xfe000000),
++				32 << 20, BOOTMEM_DEFAULT);
+ 	}
+ 
+ 	sparse_memory_present_with_active_regions(node);
+diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
+index 32f0e19a0d7f..734a2c7665ec 100644
+--- a/arch/mips/math-emu/cp1emu.c
++++ b/arch/mips/math-emu/cp1emu.c
+@@ -445,9 +445,11 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
+ 	case spec_op:
+ 		switch (insn.r_format.func) {
+ 		case jalr_op:
+-			regs->regs[insn.r_format.rd] =
+-				regs->cp0_epc + dec_insn.pc_inc +
+-				dec_insn.next_pc_inc;
++			if (insn.r_format.rd != 0) {
++				regs->regs[insn.r_format.rd] =
++					regs->cp0_epc + dec_insn.pc_inc +
++					dec_insn.next_pc_inc;
++			}
+ 			/* Fall through */
+ 		case jr_op:
+ 			/* For R6, JR already emulated in jalr_op */
+diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
+index aab218c36e0d..e87bccd6e0aa 100644
+--- a/arch/mips/mm/cache.c
++++ b/arch/mips/mm/cache.c
+@@ -16,6 +16,7 @@
+ #include <linux/mm.h>
+ 
+ #include <asm/cacheflush.h>
++#include <asm/highmem.h>
+ #include <asm/processor.h>
+ #include <asm/cpu.h>
+ #include <asm/cpu-features.h>
+@@ -83,8 +84,6 @@ void __flush_dcache_page(struct page *page)
+ 	struct address_space *mapping = page_mapping(page);
+ 	unsigned long addr;
+ 
+-	if (PageHighMem(page))
+-		return;
+ 	if (mapping && !mapping_mapped(mapping)) {
+ 		SetPageDcacheDirty(page);
+ 		return;
+@@ -95,8 +94,15 @@ void __flush_dcache_page(struct page *page)
+ 	 * case is for exec env/arg pages and those are %99 certainly going to
+ 	 * get faulted into the tlb (and thus flushed) anyways.
+ 	 */
+-	addr = (unsigned long) page_address(page);
++	if (PageHighMem(page))
++		addr = (unsigned long)kmap_atomic(page);
++	else
++		addr = (unsigned long)page_address(page);
++
+ 	flush_data_cache_page(addr);
++
++	if (PageHighMem(page))
++		__kunmap_atomic((void *)addr);
+ }
+ 
+ EXPORT_SYMBOL(__flush_dcache_page);
+@@ -119,33 +125,28 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
+ 
+ EXPORT_SYMBOL(__flush_anon_page);
+ 
+-void __flush_icache_page(struct vm_area_struct *vma, struct page *page)
+-{
+-	unsigned long addr;
+-
+-	if (PageHighMem(page))
+-		return;
+-
+-	addr = (unsigned long) page_address(page);
+-	flush_data_cache_page(addr);
+-}
+-EXPORT_SYMBOL_GPL(__flush_icache_page);
+-
+-void __update_cache(struct vm_area_struct *vma, unsigned long address,
+-	pte_t pte)
++void __update_cache(unsigned long address, pte_t pte)
+ {
+ 	struct page *page;
+ 	unsigned long pfn, addr;
+-	int exec = (vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc;
++	int exec = !pte_no_exec(pte) && !cpu_has_ic_fills_f_dc;
+ 
+ 	pfn = pte_pfn(pte);
+ 	if (unlikely(!pfn_valid(pfn)))
+ 		return;
+ 	page = pfn_to_page(pfn);
+-	if (page_mapping(page) && Page_dcache_dirty(page)) {
+-		addr = (unsigned long) page_address(page);
++	if (Page_dcache_dirty(page)) {
++		if (PageHighMem(page))
++			addr = (unsigned long)kmap_atomic(page);
++		else
++			addr = (unsigned long)page_address(page);
++
+ 		if (exec || pages_do_alias(addr, address & PAGE_MASK))
+ 			flush_data_cache_page(addr);
++
++		if (PageHighMem(page))
++			__kunmap_atomic((void *)addr);
++
+ 		ClearPageDcacheDirty(page);
+ 	}
+ }
+diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
+index 14568900fc1d..090393aa0f20 100644
+--- a/arch/mips/vdso/Makefile
++++ b/arch/mips/vdso/Makefile
+@@ -5,10 +5,12 @@ obj-vdso-y := elf.o gettimeofday.o sigreturn.o
+ ccflags-vdso := \
+ 	$(filter -I%,$(KBUILD_CFLAGS)) \
+ 	$(filter -E%,$(KBUILD_CFLAGS)) \
++	$(filter -mmicromips,$(KBUILD_CFLAGS)) \
+ 	$(filter -march=%,$(KBUILD_CFLAGS))
+ cflags-vdso := $(ccflags-vdso) \
+ 	$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
+-	-O2 -g -fPIC -fno-common -fno-builtin -G 0 -DDISABLE_BRANCH_PROFILING \
++	-O2 -g -fPIC -fno-strict-aliasing -fno-common -fno-builtin -G 0 \
++	-DDISABLE_BRANCH_PROFILING \
+ 	$(call cc-option, -fno-stack-protector)
+ aflags-vdso := $(ccflags-vdso) \
+ 	$(filter -I%,$(KBUILD_CFLAGS)) \
+diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
+index 40e4d4a27663..b34e8a54f7db 100644
+--- a/arch/powerpc/kernel/eeh.c
++++ b/arch/powerpc/kernel/eeh.c
+@@ -1072,7 +1072,7 @@ void eeh_add_device_early(struct pci_dn *pdn)
+ 	struct pci_controller *phb;
+ 	struct eeh_dev *edev = pdn_to_eeh_dev(pdn);
+ 
+-	if (!edev || !eeh_enabled())
++	if (!edev)
+ 		return;
+ 
+ 	if (!eeh_has_flag(EEH_PROBE_MODE_DEVTREE))
+diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
+index 52c1e273f8cd..247a0dc012f1 100644
+--- a/arch/powerpc/kernel/eeh_driver.c
++++ b/arch/powerpc/kernel/eeh_driver.c
+@@ -166,6 +166,16 @@ static void *eeh_dev_save_state(void *data, void *userdata)
+ 	if (!edev)
+ 		return NULL;
+ 
++	/*
++	 * We cannot access the config space on some adapters.
++	 * Otherwise, it will cause fenced PHB. We don't save
++	 * the content in their config space and will restore
++	 * from the initial config space saved when the EEH
++	 * device is created.
++	 */
++	if (edev->pe && (edev->pe->state & EEH_PE_CFG_RESTRICTED))
++		return NULL;
++
+ 	pdev = eeh_dev_to_pci_dev(edev);
+ 	if (!pdev)
+ 		return NULL;
+@@ -305,6 +315,19 @@ static void *eeh_dev_restore_state(void *data, void *userdata)
+ 	if (!edev)
+ 		return NULL;
+ 
++	/*
++	 * The content in the config space isn't saved because
++	 * the blocked config space on some adapters. We have
++	 * to restore the initial saved config space when the
++	 * EEH device is created.
++	 */
++	if (edev->pe && (edev->pe->state & EEH_PE_CFG_RESTRICTED)) {
++		if (list_is_last(&edev->list, &edev->pe->edevs))
++			eeh_pe_restore_bars(edev->pe);
++
++		return NULL;
++	}
++
+ 	pdev = eeh_dev_to_pci_dev(edev);
+ 	if (!pdev)
+ 		return NULL;
+@@ -504,9 +527,6 @@ int eeh_pe_reset_and_recover(struct eeh_pe *pe)
+ 	/* Save states */
+ 	eeh_pe_dev_traverse(pe, eeh_dev_save_state, NULL);
+ 
+-	/* Report error */
+-	eeh_pe_dev_traverse(pe, eeh_report_error, &result);
+-
+ 	/* Issue reset */
+ 	ret = eeh_reset_pe(pe);
+ 	if (ret) {
+diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
+index 0a0399c2af11..b81ccc5fb32d 100644
+--- a/arch/powerpc/kernel/exceptions-64s.S
++++ b/arch/powerpc/kernel/exceptions-64s.S
+@@ -962,11 +962,6 @@ hv_facility_unavailable_relon_trampoline:
+ #endif
+ 	STD_RELON_EXCEPTION_PSERIES(0x5700, 0x1700, altivec_assist)
+ 
+-	/* Other future vectors */
+-	.align	7
+-	.globl	__end_interrupts
+-__end_interrupts:
+-
+ 	.align	7
+ system_call_entry:
+ 	b	system_call_common
+@@ -1253,6 +1248,17 @@ __end_handlers:
+ 	STD_RELON_EXCEPTION_PSERIES_OOL(0xf60, facility_unavailable)
+ 	STD_RELON_EXCEPTION_HV_OOL(0xf80, hv_facility_unavailable)
+ 
++	/*
++	 * The __end_interrupts marker must be past the out-of-line (OOL)
++	 * handlers, so that they are copied to real address 0x100 when running
++	 * a relocatable kernel. This ensures they can be reached from the short
++	 * trampoline handlers (like 0x4f00, 0x4f20, etc.) which branch
++	 * directly, without using LOAD_HANDLER().
++	 */
++	.align	7
++	.globl	__end_interrupts
++__end_interrupts:
++
+ #if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV)
+ /*
+  * Data area reserved for FWNMI option.
+diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
+index 7ab29518a3b9..e345891450c3 100644
+--- a/arch/x86/xen/setup.c
++++ b/arch/x86/xen/setup.c
+@@ -393,6 +393,9 @@ static unsigned long __init xen_set_identity_and_remap_chunk(
+ 	unsigned long i = 0;
+ 	unsigned long n = end_pfn - start_pfn;
+ 
++	if (remap_pfn == 0)
++		remap_pfn = nr_pages;
++
+ 	while (i < n) {
+ 		unsigned long cur_pfn = start_pfn + i;
+ 		unsigned long left = n - i;
+@@ -438,17 +441,29 @@ static unsigned long __init xen_set_identity_and_remap_chunk(
+ 	return remap_pfn;
+ }
+ 
+-static void __init xen_set_identity_and_remap(unsigned long nr_pages)
++static unsigned long __init xen_count_remap_pages(
++	unsigned long start_pfn, unsigned long end_pfn, unsigned long nr_pages,
++	unsigned long remap_pages)
++{
++	if (start_pfn >= nr_pages)
++		return remap_pages;
++
++	return remap_pages + min(end_pfn, nr_pages) - start_pfn;
++}
++
++static unsigned long __init xen_foreach_remap_area(unsigned long nr_pages,
++	unsigned long (*func)(unsigned long start_pfn, unsigned long end_pfn,
++			      unsigned long nr_pages, unsigned long last_val))
+ {
+ 	phys_addr_t start = 0;
+-	unsigned long last_pfn = nr_pages;
++	unsigned long ret_val = 0;
+ 	const struct e820entry *entry = xen_e820_map;
+ 	int i;
+ 
+ 	/*
+ 	 * Combine non-RAM regions and gaps until a RAM region (or the
+-	 * end of the map) is reached, then set the 1:1 map and
+-	 * remap the memory in those non-RAM regions.
++	 * end of the map) is reached, then call the provided function
++	 * to perform its duty on the non-RAM region.
+ 	 *
+ 	 * The combined non-RAM regions are rounded to a whole number
+ 	 * of pages so any partial pages are accessible via the 1:1
+@@ -466,14 +481,13 @@ static void __init xen_set_identity_and_remap(unsigned long nr_pages)
+ 				end_pfn = PFN_UP(entry->addr);
+ 
+ 			if (start_pfn < end_pfn)
+-				last_pfn = xen_set_identity_and_remap_chunk(
+-						start_pfn, end_pfn, nr_pages,
+-						last_pfn);
++				ret_val = func(start_pfn, end_pfn, nr_pages,
++					       ret_val);
+ 			start = end;
+ 		}
+ 	}
+ 
+-	pr_info("Released %ld page(s)\n", xen_released_pages);
++	return ret_val;
+ }
+ 
+ /*
+@@ -596,35 +610,6 @@ static void __init xen_ignore_unusable(void)
+ 	}
+ }
+ 
+-static unsigned long __init xen_count_remap_pages(unsigned long max_pfn)
+-{
+-	unsigned long extra = 0;
+-	unsigned long start_pfn, end_pfn;
+-	const struct e820entry *entry = xen_e820_map;
+-	int i;
+-
+-	end_pfn = 0;
+-	for (i = 0; i < xen_e820_map_entries; i++, entry++) {
+-		start_pfn = PFN_DOWN(entry->addr);
+-		/* Adjacent regions on non-page boundaries handling! */
+-		end_pfn = min(end_pfn, start_pfn);
+-
+-		if (start_pfn >= max_pfn)
+-			return extra + max_pfn - end_pfn;
+-
+-		/* Add any holes in map to result. */
+-		extra += start_pfn - end_pfn;
+-
+-		end_pfn = PFN_UP(entry->addr + entry->size);
+-		end_pfn = min(end_pfn, max_pfn);
+-
+-		if (entry->type != E820_RAM)
+-			extra += end_pfn - start_pfn;
+-	}
+-
+-	return extra;
+-}
+-
+ bool __init xen_is_e820_reserved(phys_addr_t start, phys_addr_t size)
+ {
+ 	struct e820entry *entry;
+@@ -804,7 +789,7 @@ char * __init xen_memory_setup(void)
+ 	max_pages = xen_get_max_pages();
+ 
+ 	/* How many extra pages do we need due to remapping? */
+-	max_pages += xen_count_remap_pages(max_pfn);
++	max_pages += xen_foreach_remap_area(max_pfn, xen_count_remap_pages);
+ 
+ 	if (max_pages > max_pfn)
+ 		extra_pages += max_pages - max_pfn;
+@@ -922,7 +907,9 @@ char * __init xen_memory_setup(void)
+ 	 * Set identity map on non-RAM pages and prepare remapping the
+ 	 * underlying RAM.
+ 	 */
+-	xen_set_identity_and_remap(max_pfn);
++	xen_foreach_remap_area(max_pfn, xen_set_identity_and_remap_chunk);
++
++	pr_info("Released %ld page(s)\n", xen_released_pages);
+ 
+ 	return "Xen";
+ }
+diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
+index 1710c26ba097..ae60e6357d7b 100644
+--- a/drivers/base/power/main.c
++++ b/drivers/base/power/main.c
+@@ -1262,14 +1262,15 @@ int dpm_suspend_late(pm_message_t state)
+ 		error = device_suspend_late(dev);
+ 
+ 		mutex_lock(&dpm_list_mtx);
++		if (!list_empty(&dev->power.entry))
++			list_move(&dev->power.entry, &dpm_late_early_list);
++
+ 		if (error) {
+ 			pm_dev_err(dev, state, " late", error);
+ 			dpm_save_failed_dev(dev_name(dev));
+ 			put_device(dev);
+ 			break;
+ 		}
+-		if (!list_empty(&dev->power.entry))
+-			list_move(&dev->power.entry, &dpm_late_early_list);
+ 		put_device(dev);
+ 
+ 		if (async_error)
+diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
+index e1a10a03df8e..9796a1a15ef6 100644
+--- a/drivers/base/power/runtime.c
++++ b/drivers/base/power/runtime.c
+@@ -1468,11 +1468,16 @@ int pm_runtime_force_resume(struct device *dev)
+ 		goto out;
+ 	}
+ 
+-	ret = callback(dev);
++	ret = pm_runtime_set_active(dev);
+ 	if (ret)
+ 		goto out;
+ 
+-	pm_runtime_set_active(dev);
++	ret = callback(dev);
++	if (ret) {
++		pm_runtime_set_suspended(dev);
++		goto out;
++	}
++
+ 	pm_runtime_mark_last_busy(dev);
+ out:
+ 	pm_runtime_enable(dev);
+diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c
+index 30cf4623184f..aa30af5f0f2b 100644
+--- a/drivers/char/hw_random/exynos-rng.c
++++ b/drivers/char/hw_random/exynos-rng.c
+@@ -89,6 +89,7 @@ static int exynos_read(struct hwrng *rng, void *buf,
+ 						struct exynos_rng, rng);
+ 	u32 *data = buf;
+ 	int retry = 100;
++	int ret = 4;
+ 
+ 	pm_runtime_get_sync(exynos_rng->dev);
+ 
+@@ -97,17 +98,20 @@ static int exynos_read(struct hwrng *rng, void *buf,
+ 	while (!(exynos_rng_readl(exynos_rng,
+ 			EXYNOS_PRNG_STATUS_OFFSET) & PRNG_DONE) && --retry)
+ 		cpu_relax();
+-	if (!retry)
+-		return -ETIMEDOUT;
++	if (!retry) {
++		ret = -ETIMEDOUT;
++		goto out;
++	}
+ 
+ 	exynos_rng_writel(exynos_rng, PRNG_DONE, EXYNOS_PRNG_STATUS_OFFSET);
+ 
+ 	*data = exynos_rng_readl(exynos_rng, EXYNOS_PRNG_OUT1_OFFSET);
+ 
++out:
+ 	pm_runtime_mark_last_busy(exynos_rng->dev);
+ 	pm_runtime_put_sync_autosuspend(exynos_rng->dev);
+ 
+-	return 4;
++	return ret;
+ }
+ 
+ static int exynos_rng_probe(struct platform_device *pdev)
+diff --git a/drivers/clk/at91/clk-h32mx.c b/drivers/clk/at91/clk-h32mx.c
+index 61566bcefa53..a165230e7eda 100644
+--- a/drivers/clk/at91/clk-h32mx.c
++++ b/drivers/clk/at91/clk-h32mx.c
+@@ -116,7 +116,7 @@ void __init of_sama5d4_clk_h32mx_setup(struct device_node *np,
+ 	h32mxclk->pmc = pmc;
+ 
+ 	clk = clk_register(NULL, &h32mxclk->hw);
+-	if (!clk) {
++	if (IS_ERR(clk)) {
+ 		kfree(h32mxclk);
+ 		return;
+ 	}
+diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
+index 185a4d859638..6029313aa995 100644
+--- a/drivers/clk/bcm/clk-bcm2835.c
++++ b/drivers/clk/bcm/clk-bcm2835.c
+@@ -890,8 +890,14 @@ static void bcm2835_pll_off(struct clk_hw *hw)
+ 	struct bcm2835_cprman *cprman = pll->cprman;
+ 	const struct bcm2835_pll_data *data = pll->data;
+ 
+-	cprman_write(cprman, data->cm_ctrl_reg, CM_PLL_ANARST);
+-	cprman_write(cprman, data->a2w_ctrl_reg, A2W_PLL_CTRL_PWRDN);
++	spin_lock(&cprman->regs_lock);
++	cprman_write(cprman, data->cm_ctrl_reg,
++		     cprman_read(cprman, data->cm_ctrl_reg) |
++		     CM_PLL_ANARST);
++	cprman_write(cprman, data->a2w_ctrl_reg,
++		     cprman_read(cprman, data->a2w_ctrl_reg) |
++		     A2W_PLL_CTRL_PWRDN);
++	spin_unlock(&cprman->regs_lock);
+ }
+ 
+ static int bcm2835_pll_on(struct clk_hw *hw)
+@@ -901,6 +907,10 @@ static int bcm2835_pll_on(struct clk_hw *hw)
+ 	const struct bcm2835_pll_data *data = pll->data;
+ 	ktime_t timeout;
+ 
++	cprman_write(cprman, data->a2w_ctrl_reg,
++		     cprman_read(cprman, data->a2w_ctrl_reg) &
++		     ~A2W_PLL_CTRL_PWRDN);
++
+ 	/* Take the PLL out of reset. */
+ 	cprman_write(cprman, data->cm_ctrl_reg,
+ 		     cprman_read(cprman, data->cm_ctrl_reg) & ~CM_PLL_ANARST);
+@@ -1171,8 +1181,9 @@ static u32 bcm2835_clock_choose_div(struct clk_hw *hw,
+ 		div &= ~unused_frac_mask;
+ 	}
+ 
+-	/* Clamp to the limits. */
+-	div = max(div, unused_frac_mask + 1);
++	/* clamp to min divider of 1 */
++	div = max_t(u32, div, 1 << CM_DIV_FRAC_BITS);
++	/* clamp to the highest possible fractional divider */
+ 	div = min_t(u32, div, GENMASK(data->int_bits + CM_DIV_FRAC_BITS - 1,
+ 				      CM_DIV_FRAC_BITS - data->frac_bits));
+ 
+diff --git a/drivers/clk/imx/clk-imx35.c b/drivers/clk/imx/clk-imx35.c
+index a71d24cb4c06..b0978d3b83e2 100644
+--- a/drivers/clk/imx/clk-imx35.c
++++ b/drivers/clk/imx/clk-imx35.c
+@@ -66,7 +66,7 @@ static const char *std_sel[] = {"ppll", "arm"};
+ static const char *ipg_per_sel[] = {"ahb_per_div", "arm_per_div"};
+ 
+ enum mx35_clks {
+-	ckih, ckil, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, ipg,
++	ckih, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, ipg,
+ 	arm_per_div, ahb_per_div, ipg_per, uart_sel, uart_div, esdhc_sel,
+ 	esdhc1_div, esdhc2_div, esdhc3_div, spdif_sel, spdif_div_pre,
+ 	spdif_div_post, ssi_sel, ssi1_div_pre, ssi1_div_post, ssi2_div_pre,
+@@ -79,7 +79,7 @@ enum mx35_clks {
+ 	rtc_gate, rtic_gate, scc_gate, sdma_gate, spba_gate, spdif_gate,
+ 	ssi1_gate, ssi2_gate, uart1_gate, uart2_gate, uart3_gate, usbotg_gate,
+ 	wdog_gate, max_gate, admux_gate, csi_gate, csi_div, csi_sel, iim_gate,
+-	gpu2d_gate, clk_max
++	gpu2d_gate, ckil, clk_max
+ };
+ 
+ static struct clk *clk[clk_max];
+diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
+index 17a6dc0e2111..d40b2c077746 100644
+--- a/drivers/cpuidle/cpuidle.c
++++ b/drivers/cpuidle/cpuidle.c
+@@ -214,7 +214,7 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv,
+ 		tick_broadcast_exit();
+ 	}
+ 
+-	if (!cpuidle_state_is_coupled(drv, entered_state))
++	if (!cpuidle_state_is_coupled(drv, index))
+ 		local_irq_enable();
+ 
+ 	diff = ktime_to_us(ktime_sub(time_end, time_start));
+@@ -433,6 +433,8 @@ static void __cpuidle_unregister_device(struct cpuidle_device *dev)
+ 	list_del(&dev->device_list);
+ 	per_cpu(cpuidle_devices, dev->cpu) = NULL;
+ 	module_put(drv->owner);
++
++	dev->registered = 0;
+ }
+ 
+ static void __cpuidle_device_init(struct cpuidle_device *dev)
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+index 119cdc2c43e7..7ef2c13921b4 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+@@ -194,12 +194,12 @@ int amdgpu_connector_get_monitor_bpc(struct drm_connector *connector)
+ 				bpc = 8;
+ 				DRM_DEBUG("%s: HDMI deep color 10 bpc exceeds max tmds clock. Using %d bpc.\n",
+ 					  connector->name, bpc);
+-			} else if (bpc > 8) {
+-				/* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
+-				DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
+-					  connector->name);
+-				bpc = 8;
+ 			}
++		} else if (bpc > 8) {
++			/* max_tmds_clock missing, but hdmi spec mandates it for deep color. */
++			DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n",
++				  connector->name);
++			bpc = 8;
+ 		}
+ 	}
+ 
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
+index 7b7f4aba60c0..fe36caf1b7d7 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
+@@ -150,7 +150,7 @@ u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev)
+ 		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ 			amdgpu_crtc = to_amdgpu_crtc(crtc);
+ 			if (crtc->enabled && amdgpu_crtc->enabled && amdgpu_crtc->hw_mode.clock) {
+-				vrefresh = amdgpu_crtc->hw_mode.vrefresh;
++				vrefresh = drm_mode_vrefresh(&amdgpu_crtc->hw_mode);
+ 				break;
+ 			}
+ 		}
+diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
+index aeee083c7f95..aed2e3f8a1a2 100644
+--- a/drivers/gpu/drm/drm_atomic.c
++++ b/drivers/gpu/drm/drm_atomic.c
+@@ -150,7 +150,7 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state)
+ 	for (i = 0; i < state->num_connector; i++) {
+ 		struct drm_connector *connector = state->connectors[i];
+ 
+-		if (!connector)
++		if (!connector || !connector->funcs)
+ 			continue;
+ 
+ 		/*
+diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
+index 69cbab5e5c81..5ad036741b99 100644
+--- a/drivers/gpu/drm/drm_fb_helper.c
++++ b/drivers/gpu/drm/drm_fb_helper.c
+@@ -1899,7 +1899,6 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
+ 			  int n, int width, int height)
+ {
+ 	int c, o;
+-	struct drm_device *dev = fb_helper->dev;
+ 	struct drm_connector *connector;
+ 	const struct drm_connector_helper_funcs *connector_funcs;
+ 	struct drm_encoder *encoder;
+@@ -1918,7 +1917,7 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
+ 	if (modes[n] == NULL)
+ 		return best_score;
+ 
+-	crtcs = kzalloc(dev->mode_config.num_connector *
++	crtcs = kzalloc(fb_helper->connector_count *
+ 			sizeof(struct drm_fb_helper_crtc *), GFP_KERNEL);
+ 	if (!crtcs)
+ 		return best_score;
+@@ -1964,7 +1963,7 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
+ 		if (score > best_score) {
+ 			best_score = score;
+ 			memcpy(best_crtcs, crtcs,
+-			       dev->mode_config.num_connector *
++			       fb_helper->connector_count *
+ 			       sizeof(struct drm_fb_helper_crtc *));
+ 		}
+ 	}
+diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
+index 6b43ae3ffd73..1616af209bfc 100644
+--- a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
++++ b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
+@@ -72,7 +72,7 @@ static const char *const dsi_errors[] = {
+ 	"RX Prot Violation",
+ 	"HS Generic Write FIFO Full",
+ 	"LP Generic Write FIFO Full",
+-	"Generic Read Data Avail"
++	"Generic Read Data Avail",
+ 	"Special Packet Sent",
+ 	"Tearing Effect",
+ };
+diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
+index 4fd5fdfef6bd..c0c094d5b822 100644
+--- a/drivers/gpu/drm/i915/intel_fbdev.c
++++ b/drivers/gpu/drm/i915/intel_fbdev.c
+@@ -362,12 +362,12 @@ static bool intel_fb_initial_config(struct drm_fb_helper *fb_helper,
+ 	uint64_t conn_configured = 0, mask;
+ 	int pass = 0;
+ 
+-	save_enabled = kcalloc(dev->mode_config.num_connector, sizeof(bool),
++	save_enabled = kcalloc(fb_helper->connector_count, sizeof(bool),
+ 			       GFP_KERNEL);
+ 	if (!save_enabled)
+ 		return false;
+ 
+-	memcpy(save_enabled, enabled, dev->mode_config.num_connector);
++	memcpy(save_enabled, enabled, fb_helper->connector_count);
+ 	mask = (1 << fb_helper->connector_count) - 1;
+ retry:
+ 	for (i = 0; i < fb_helper->connector_count; i++) {
+@@ -501,7 +501,7 @@ retry:
+ 	if (fallback) {
+ bail:
+ 		DRM_DEBUG_KMS("Not using firmware configuration\n");
+-		memcpy(enabled, save_enabled, dev->mode_config.num_connector);
++		memcpy(enabled, save_enabled, fb_helper->connector_count);
+ 		kfree(save_enabled);
+ 		return false;
+ 	}
+diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
+index 0a68d2ec89dc..62284e45d531 100644
+--- a/drivers/gpu/drm/i915/intel_pm.c
++++ b/drivers/gpu/drm/i915/intel_pm.c
+@@ -3880,6 +3880,8 @@ static void ilk_pipe_wm_get_hw_state(struct drm_crtc *crtc)
+ 	if (IS_HASWELL(dev) || IS_BROADWELL(dev))
+ 		hw->wm_linetime[pipe] = I915_READ(PIPE_WM_LINETIME(pipe));
+ 
++	memset(active, 0, sizeof(*active));
++
+ 	active->pipe_enabled = intel_crtc->active;
+ 
+ 	if (active->pipe_enabled) {
+diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
+index 7b990b4e96d2..5378bdc3bbf9 100644
+--- a/drivers/gpu/drm/imx/imx-drm-core.c
++++ b/drivers/gpu/drm/imx/imx-drm-core.c
+@@ -26,6 +26,7 @@
+ #include <drm/drm_fb_cma_helper.h>
+ #include <drm/drm_plane_helper.h>
+ #include <drm/drm_of.h>
++#include <video/imx-ipu-v3.h>
+ 
+ #include "imx-drm.h"
+ 
+@@ -504,6 +505,13 @@ static int compare_of(struct device *dev, void *data)
+ {
+ 	struct device_node *np = data;
+ 
++	/* Special case for DI, dev->of_node may not be set yet */
++	if (strcmp(dev->driver->name, "imx-ipuv3-crtc") == 0) {
++		struct ipu_client_platformdata *pdata = dev->platform_data;
++
++		return pdata->of_node == np;
++	}
++
+ 	/* Special case for LDB, one device for two channels */
+ 	if (of_node_cmp(np->name, "lvds-channel") == 0) {
+ 		np = of_get_parent(np);
+diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
+index 4ab841eebee1..9b0abd44b751 100644
+--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
++++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
+@@ -369,7 +369,7 @@ static int ipu_crtc_init(struct ipu_crtc *ipu_crtc,
+ 
+ 	ret = imx_drm_add_crtc(drm, &ipu_crtc->base, &ipu_crtc->imx_crtc,
+ 			&ipu_crtc->plane[0]->base, &ipu_crtc_helper_funcs,
+-			ipu_crtc->dev->of_node);
++			pdata->of_node);
+ 	if (ret) {
+ 		dev_err(ipu_crtc->dev, "adding crtc failed with %d.\n", ret);
+ 		goto err_put_resources;
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+index 5da5de0cb522..4948c1529836 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+@@ -3273,19 +3273,19 @@ static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
+ 		    &vmw_cmd_dx_cid_check, true, false, true),
+ 	VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query,
+ 		    true, false, true),
+-	VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_ok,
++	VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check,
+ 		    true, false, true),
+ 	VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query,
+ 		    true, false, true),
+ 	VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET,
+-		    &vmw_cmd_ok, true, false, true),
+-	VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_ok,
++		    &vmw_cmd_dx_cid_check, true, false, true),
++	VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check,
+ 		    true, false, true),
+-	VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_ok,
++	VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check,
+ 		    true, false, true),
+ 	VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid,
+ 		    true, false, true),
+-	VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_invalid,
++	VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check,
+ 		    true, false, true),
+ 	VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check,
+ 		    true, false, true),
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+index 3b1faf7862a5..679a4cb98ee3 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+@@ -573,9 +573,9 @@ static int vmw_fb_set_par(struct fb_info *info)
+ 		mode = old_mode;
+ 		old_mode = NULL;
+ 	} else if (!vmw_kms_validate_mode_vram(vmw_priv,
+-					       mode->hdisplay *
+-					       (var->bits_per_pixel + 7) / 8,
+-					       mode->vdisplay)) {
++					mode->hdisplay *
++					DIV_ROUND_UP(var->bits_per_pixel, 8),
++					mode->vdisplay)) {
+ 		drm_mode_destroy(vmw_priv->dev, mode);
+ 		return -EINVAL;
+ 	}
+diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
+index 0585fd2031dd..5030cba4a581 100644
+--- a/drivers/gpu/ipu-v3/ipu-common.c
++++ b/drivers/gpu/ipu-v3/ipu-common.c
+@@ -997,7 +997,7 @@ struct ipu_platform_reg {
+ };
+ 
+ /* These must be in the order of the corresponding device tree port nodes */
+-static const struct ipu_platform_reg client_reg[] = {
++static struct ipu_platform_reg client_reg[] = {
+ 	{
+ 		.pdata = {
+ 			.csi = 0,
+@@ -1048,7 +1048,7 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
+ 	mutex_unlock(&ipu_client_id_mutex);
+ 
+ 	for (i = 0; i < ARRAY_SIZE(client_reg); i++) {
+-		const struct ipu_platform_reg *reg = &client_reg[i];
++		struct ipu_platform_reg *reg = &client_reg[i];
+ 		struct platform_device *pdev;
+ 		struct device_node *of_node;
+ 
+@@ -1070,6 +1070,7 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
+ 
+ 		pdev->dev.parent = dev;
+ 
++		reg->pdata.of_node = of_node;
+ 		ret = platform_device_add_data(pdev, &reg->pdata,
+ 					       sizeof(reg->pdata));
+ 		if (!ret)
+diff --git a/drivers/hwmon/ads7828.c b/drivers/hwmon/ads7828.c
+index 6c99ee7bafa3..ee396ff167d9 100644
+--- a/drivers/hwmon/ads7828.c
++++ b/drivers/hwmon/ads7828.c
+@@ -120,6 +120,7 @@ static int ads7828_probe(struct i2c_client *client,
+ 	unsigned int vref_mv = ADS7828_INT_VREF_MV;
+ 	bool diff_input = false;
+ 	bool ext_vref = false;
++	unsigned int regval;
+ 
+ 	data = devm_kzalloc(dev, sizeof(struct ads7828_data), GFP_KERNEL);
+ 	if (!data)
+@@ -154,6 +155,15 @@ static int ads7828_probe(struct i2c_client *client,
+ 	if (!diff_input)
+ 		data->cmd_byte |= ADS7828_CMD_SD_SE;
+ 
++	/*
++	 * Datasheet specifies internal reference voltage is disabled by
++	 * default. The internal reference voltage needs to be enabled and
++	 * voltage needs to settle before getting valid ADC data. So perform a
++	 * dummy read to enable the internal reference voltage.
++	 */
++	if (!ext_vref)
++		regmap_read(data->regmap, data->cmd_byte, &regval);
++
+ 	hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
+ 							   data,
+ 							   ads7828_groups);
+diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
+index 5adbcedcb81c..2bb4c8633d3b 100644
+--- a/drivers/input/misc/uinput.c
++++ b/drivers/input/misc/uinput.c
+@@ -893,9 +893,15 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+ }
+ 
+ #ifdef CONFIG_COMPAT
++
++#define UI_SET_PHYS_COMPAT	_IOW(UINPUT_IOCTL_BASE, 108, compat_uptr_t)
++
+ static long uinput_compat_ioctl(struct file *file,
+ 				unsigned int cmd, unsigned long arg)
+ {
++	if (cmd == UI_SET_PHYS_COMPAT)
++		cmd = UI_SET_PHYS;
++
+ 	return uinput_ioctl_handler(file, cmd, arg, compat_ptr(arg));
+ }
+ #endif
+diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+index f38c076752ce..109f687d1cbd 100644
+--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
++++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+@@ -280,7 +280,8 @@ static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user
+ static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
+ {
+ 	if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_create_buffers32)) ||
+-	    copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)))
++	    copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)) ||
++	    copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
+ 		return -EFAULT;
+ 	return __put_v4l2_format32(&kp->format, &up->format);
+ }
+diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
+index 68aa31ae553a..88e80ec772f6 100644
+--- a/drivers/mfd/intel-lpss.c
++++ b/drivers/mfd/intel-lpss.c
+@@ -33,6 +33,7 @@
+ #define LPSS_DEV_SIZE		0x200
+ #define LPSS_PRIV_OFFSET	0x200
+ #define LPSS_PRIV_SIZE		0x100
++#define LPSS_PRIV_REG_COUNT	(LPSS_PRIV_SIZE / 4)
+ #define LPSS_IDMA64_OFFSET	0x800
+ #define LPSS_IDMA64_SIZE	0x800
+ 
+@@ -75,6 +76,7 @@ struct intel_lpss {
+ 	const struct mfd_cell *cell;
+ 	struct device *dev;
+ 	void __iomem *priv;
++	u32 priv_ctx[LPSS_PRIV_REG_COUNT];
+ 	int devid;
+ 	u32 caps;
+ 	u32 active_ltr;
+@@ -485,6 +487,16 @@ EXPORT_SYMBOL_GPL(intel_lpss_prepare);
+ 
+ int intel_lpss_suspend(struct device *dev)
+ {
++	struct intel_lpss *lpss = dev_get_drvdata(dev);
++	unsigned int i;
++
++	/* Save device context */
++	for (i = 0; i < LPSS_PRIV_REG_COUNT; i++)
++		lpss->priv_ctx[i] = readl(lpss->priv + i * 4);
++
++	/* Put the device into reset state */
++	writel(0, lpss->priv + LPSS_PRIV_RESETS);
++
+ 	return 0;
+ }
+ EXPORT_SYMBOL_GPL(intel_lpss_suspend);
+@@ -492,8 +504,13 @@ EXPORT_SYMBOL_GPL(intel_lpss_suspend);
+ int intel_lpss_resume(struct device *dev)
+ {
+ 	struct intel_lpss *lpss = dev_get_drvdata(dev);
++	unsigned int i;
+ 
+-	intel_lpss_init_dev(lpss);
++	intel_lpss_deassert_reset(lpss);
++
++	/* Restore device context */
++	for (i = 0; i < LPSS_PRIV_REG_COUNT; i++)
++		writel(lpss->priv_ctx[i], lpss->priv + i * 4);
+ 
+ 	return 0;
+ }
+diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c
+index d9e15cf7c6c8..12d6ebb4ae5d 100644
+--- a/drivers/mfd/intel_soc_pmic_core.c
++++ b/drivers/mfd/intel_soc_pmic_core.c
+@@ -35,6 +35,7 @@ static struct gpiod_lookup_table panel_gpio_table = {
+ 	.table = {
+ 		/* Panel EN/DISABLE */
+ 		GPIO_LOOKUP("gpio_crystalcove", 94, "panel", GPIO_ACTIVE_HIGH),
++		{ },
+ 	},
+ };
+ 
+diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
+index 0947cc271e69..531de256d58d 100644
+--- a/drivers/net/wireless/ath/ath10k/core.c
++++ b/drivers/net/wireless/ath/ath10k/core.c
+@@ -1681,6 +1681,10 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
+ 		goto err_hif_stop;
+ 	}
+ 
++	ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
++
++	INIT_LIST_HEAD(&ar->arvifs);
++
+ 	/* we don't care about HTT in UTF mode */
+ 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
+ 		status = ath10k_htt_setup(&ar->htt);
+@@ -1694,10 +1698,6 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
+ 	if (status)
+ 		goto err_hif_stop;
+ 
+-	ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
+-
+-	INIT_LIST_HEAD(&ar->arvifs);
+-
+ 	return 0;
+ 
+ err_hif_stop:
+diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
+index 6cc1aa3449c8..1a88a24ffeac 100644
+--- a/drivers/net/wireless/ath/ath10k/debug.c
++++ b/drivers/net/wireless/ath/ath10k/debug.c
+@@ -1986,7 +1986,12 @@ static ssize_t ath10k_write_pktlog_filter(struct file *file,
+ 		goto out;
+ 	}
+ 
+-	if (filter && (filter != ar->debug.pktlog_filter)) {
++	if (filter == ar->debug.pktlog_filter) {
++		ret = count;
++		goto out;
++	}
++
++	if (filter) {
+ 		ret = ath10k_wmi_pdev_pktlog_enable(ar, filter);
+ 		if (ret) {
+ 			ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n",
+diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
+index 95a55405ebf0..1e1bef349487 100644
+--- a/drivers/net/wireless/ath/ath10k/mac.c
++++ b/drivers/net/wireless/ath/ath10k/mac.c
+@@ -4456,7 +4456,10 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
+ 		goto err_vdev_delete;
+ 	}
+ 
+-	if (ar->cfg_tx_chainmask) {
++	/* Configuring number of spatial stream for monitor interface is causing
++	 * target assert in qca9888 and qca6174.
++	 */
++	if (ar->cfg_tx_chainmask && (vif->type != NL80211_IFTYPE_MONITOR)) {
+ 		u16 nss = get_nss_from_chainmask(ar->cfg_tx_chainmask);
+ 
+ 		vdev_param = ar->wmi.vdev_param->nss;
+@@ -6416,7 +6419,13 @@ ath10k_mac_update_rx_channel(struct ath10k *ar,
+ 			def = &vifs[0].new_ctx->def;
+ 
+ 		ar->rx_channel = def->chan;
+-	} else if (ctx && ath10k_mac_num_chanctxs(ar) == 0) {
++	} else if ((ctx && ath10k_mac_num_chanctxs(ar) == 0) ||
++		   (ctx && (ar->state == ATH10K_STATE_RESTARTED))) {
++		/* During driver restart due to firmware assert, since mac80211
++		 * already has valid channel context for given radio, channel
++		 * context iteration return num_chanctx > 0. So fix rx_channel
++		 * when restart is in progress.
++		 */
+ 		ar->rx_channel = ctx->def.chan;
+ 	} else {
+ 		ar->rx_channel = NULL;
+diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c
+index 803030fd17d3..6a2a16856763 100644
+--- a/drivers/net/wireless/ath/ath5k/led.c
++++ b/drivers/net/wireless/ath/ath5k/led.c
+@@ -77,7 +77,7 @@ static const struct pci_device_id ath5k_led_devices[] = {
+ 	/* HP Compaq CQ60-206US (ddreggors@jumptv.com) */
+ 	{ ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137a), ATH_LED(3, 1) },
+ 	/* HP Compaq C700 (nitrousnrg@gmail.com) */
+-	{ ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137b), ATH_LED(3, 1) },
++	{ ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137b), ATH_LED(3, 0) },
+ 	/* LiteOn AR5BXB63 (magooz@salug.it) */
+ 	{ ATH_SDEVICE(PCI_VENDOR_ID_ATHEROS, 0x3067), ATH_LED(3, 0) },
+ 	/* IBM-specific AR5212 (all others) */
+diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
+index 2e2b92ba96b8..1bdeacf7b257 100644
+--- a/drivers/net/wireless/ath/ath9k/init.c
++++ b/drivers/net/wireless/ath/ath9k/init.c
+@@ -49,6 +49,10 @@ int ath9k_led_blink;
+ module_param_named(blink, ath9k_led_blink, int, 0444);
+ MODULE_PARM_DESC(blink, "Enable LED blink on activity");
+ 
++static int ath9k_led_active_high = -1;
++module_param_named(led_active_high, ath9k_led_active_high, int, 0444);
++MODULE_PARM_DESC(led_active_high, "Invert LED polarity");
++
+ static int ath9k_btcoex_enable;
+ module_param_named(btcoex_enable, ath9k_btcoex_enable, int, 0444);
+ MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
+@@ -600,6 +604,9 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
+ 	if (ret)
+ 		return ret;
+ 
++	if (ath9k_led_active_high != -1)
++		ah->config.led_active_high = ath9k_led_active_high == 1;
++
+ 	/*
+ 	 * Enable WLAN/BT RX Antenna diversity only when:
+ 	 *
+diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
+index e6fef1be9977..7cdaf40c3057 100644
+--- a/drivers/net/wireless/ath/ath9k/pci.c
++++ b/drivers/net/wireless/ath/ath9k/pci.c
+@@ -28,6 +28,16 @@ static const struct pci_device_id ath_pci_id_table[] = {
+ 	{ PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
+ 	{ PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
+ 	{ PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
++
++#ifdef CONFIG_ATH9K_PCOEM
++	/* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
++	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
++			 0x0029,
++			 PCI_VENDOR_ID_ATHEROS,
++			 0x2096),
++	  .driver_data = ATH9K_PCI_LED_ACT_HI },
++#endif
++
+ 	{ PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
+ 
+ #ifdef CONFIG_ATH9K_PCOEM
+diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
+index 0517a4f2d3f2..7a40d8dffa36 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/base.c
++++ b/drivers/net/wireless/realtek/rtlwifi/base.c
+@@ -1660,9 +1660,9 @@ void rtl_watchdog_wq_callback(void *data)
+ 		if (((rtlpriv->link_info.num_rx_inperiod +
+ 		      rtlpriv->link_info.num_tx_inperiod) > 8) ||
+ 		    (rtlpriv->link_info.num_rx_inperiod > 2))
+-			rtl_lps_enter(hw);
+-		else
+ 			rtl_lps_leave(hw);
++		else
++			rtl_lps_enter(hw);
+ 	}
+ 
+ 	rtlpriv->link_info.num_rx_inperiod = 0;
+diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c
+index f2b9d11adc9e..e85f1652ce55 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c
++++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b2ant.c
+@@ -1203,7 +1203,6 @@ static void btc8723b2ant_set_ant_path(struct btc_coexist *btcoexist,
+ 
+ 		/* Force GNT_BT to low */
+ 		btcoexist->btc_write_1byte_bitmask(btcoexist, 0x765, 0x18, 0x0);
+-		btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0);
+ 
+ 		if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT) {
+ 			/* tell firmware "no antenna inverse" */
+@@ -1211,19 +1210,25 @@ static void btc8723b2ant_set_ant_path(struct btc_coexist *btcoexist,
+ 			h2c_parameter[1] = 1;  /* ext switch type */
+ 			btcoexist->btc_fill_h2c(btcoexist, 0x65, 2,
+ 						h2c_parameter);
++			btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0);
+ 		} else {
+ 			/* tell firmware "antenna inverse" */
+ 			h2c_parameter[0] = 1;
+ 			h2c_parameter[1] = 1;  /* ext switch type */
+ 			btcoexist->btc_fill_h2c(btcoexist, 0x65, 2,
+ 						h2c_parameter);
++			btcoexist->btc_write_2byte(btcoexist, 0x948, 0x280);
+ 		}
+ 	}
+ 
+ 	/* ext switch setting */
+ 	if (use_ext_switch) {
+ 		/* fixed internal switch S1->WiFi, S0->BT */
+-		btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0);
++		if (board_info->btdm_ant_pos == BTC_ANTENNA_AT_MAIN_PORT)
++			btcoexist->btc_write_2byte(btcoexist, 0x948, 0x0);
++		else
++			btcoexist->btc_write_2byte(btcoexist, 0x948, 0x280);
++
+ 		switch (antpos_type) {
+ 		case BTC_ANT_WIFI_AT_MAIN:
+ 			/* ext switch main at wifi */
+diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
+index b2791c893417..babd1490f20c 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
++++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c
+@@ -965,13 +965,38 @@ void exhalbtc_set_chip_type(u8 chip_type)
+ 	}
+ }
+ 
+-void exhalbtc_set_ant_num(u8 type, u8 ant_num)
++void exhalbtc_set_ant_num(struct rtl_priv *rtlpriv, u8 type, u8 ant_num)
+ {
+ 	if (BT_COEX_ANT_TYPE_PG == type) {
+ 		gl_bt_coexist.board_info.pg_ant_num = ant_num;
+ 		gl_bt_coexist.board_info.btdm_ant_num = ant_num;
++		/* The antenna position:
++		 * Main (default) or Aux for pgAntNum=2 && btdmAntNum =1.
++		 * The antenna position should be determined by
++		 * auto-detect mechanism.
++		 * The following is assumed to main,
++		 * and those must be modified
++		 * if y auto-detect mechanism is ready
++		 */
++		if ((gl_bt_coexist.board_info.pg_ant_num == 2) &&
++		    (gl_bt_coexist.board_info.btdm_ant_num == 1))
++			gl_bt_coexist.board_info.btdm_ant_pos =
++						       BTC_ANTENNA_AT_MAIN_PORT;
++		else
++			gl_bt_coexist.board_info.btdm_ant_pos =
++						       BTC_ANTENNA_AT_MAIN_PORT;
+ 	} else if (BT_COEX_ANT_TYPE_ANTDIV == type) {
+ 		gl_bt_coexist.board_info.btdm_ant_num = ant_num;
++		gl_bt_coexist.board_info.btdm_ant_pos =
++						       BTC_ANTENNA_AT_MAIN_PORT;
++	} else if (type == BT_COEX_ANT_TYPE_DETECTED) {
++		gl_bt_coexist.board_info.btdm_ant_num = ant_num;
++		if (rtlpriv->cfg->mod_params->ant_sel == 1)
++			gl_bt_coexist.board_info.btdm_ant_pos =
++				BTC_ANTENNA_AT_AUX_PORT;
++		else
++			gl_bt_coexist.board_info.btdm_ant_pos =
++				BTC_ANTENNA_AT_MAIN_PORT;
+ 	}
+ }
+ 
+diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
+index 0a903ea179ef..f41ca57dd8a7 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
++++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.h
+@@ -535,7 +535,7 @@ void exhalbtc_set_bt_patch_version(u16 bt_hci_version, u16 bt_patch_version);
+ void exhalbtc_update_min_bt_rssi(char bt_rssi);
+ void exhalbtc_set_bt_exist(bool bt_exist);
+ void exhalbtc_set_chip_type(u8 chip_type);
+-void exhalbtc_set_ant_num(u8 type, u8 ant_num);
++void exhalbtc_set_ant_num(struct rtl_priv *rtlpriv, u8 type, u8 ant_num);
+ void exhalbtc_display_bt_coex_info(struct btc_coexist *btcoexist);
+ void exhalbtc_signal_compensation(struct btc_coexist *btcoexist,
+ 				  u8 *rssi_wifi, u8 *rssi_bt);
+diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
+index b9b0cb7af8ea..d3fd9211b3a4 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
++++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c
+@@ -72,7 +72,10 @@ void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv)
+ 		 __func__, bt_type);
+ 	exhalbtc_set_chip_type(bt_type);
+ 
+-	exhalbtc_set_ant_num(BT_COEX_ANT_TYPE_PG, ant_num);
++	if (rtlpriv->cfg->mod_params->ant_sel == 1)
++		exhalbtc_set_ant_num(rtlpriv, BT_COEX_ANT_TYPE_DETECTED, 1);
++	else
++		exhalbtc_set_ant_num(rtlpriv, BT_COEX_ANT_TYPE_PG, ant_num);
+ }
+ 
+ void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv)
+diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
+index 7f471bff435c..5b4048041147 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
++++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
+@@ -1573,7 +1573,7 @@ int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw)
+ 							 true,
+ 							 HW_DESC_TXBUFF_ADDR),
+ 						 skb->len, PCI_DMA_TODEVICE);
+-				kfree_skb(skb);
++				dev_kfree_skb_irq(skb);
+ 				ring->idx = (ring->idx + 1) % ring->entries;
+ 			}
+ 			ring->idx = 0;
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
+index c983d2fe147f..5a3df9198ddf 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c
+@@ -2684,6 +2684,7 @@ void rtl8723be_read_bt_coexist_info_from_hwpg(struct ieee80211_hw *hw,
+ 					      bool auto_load_fail, u8 *hwinfo)
+ {
+ 	struct rtl_priv *rtlpriv = rtl_priv(hw);
++	struct rtl_mod_params *mod_params = rtlpriv->cfg->mod_params;
+ 	u8 value;
+ 	u32 tmpu_32;
+ 
+@@ -2702,6 +2703,10 @@ void rtl8723be_read_bt_coexist_info_from_hwpg(struct ieee80211_hw *hw,
+ 		rtlpriv->btcoexist.btc_info.ant_num = ANT_X2;
+ 	}
+ 
++	/* override ant_num / ant_path */
++	if (mod_params->ant_sel)
++		rtlpriv->btcoexist.btc_info.ant_num =
++			(mod_params->ant_sel == 1 ? ANT_X2 : ANT_X1);
+ }
+ 
+ void rtl8723be_bt_reg_init(struct ieee80211_hw *hw)
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
+index a78eaeda0008..2101793438ed 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
+@@ -273,6 +273,7 @@ static struct rtl_mod_params rtl8723be_mod_params = {
+ 	.msi_support = false,
+ 	.disable_watchdog = false,
+ 	.debug = DBG_EMERG,
++	.ant_sel = 0,
+ };
+ 
+ static struct rtl_hal_cfg rtl8723be_hal_cfg = {
+@@ -394,6 +395,7 @@ module_param_named(fwlps, rtl8723be_mod_params.fwctrl_lps, bool, 0444);
+ module_param_named(msi, rtl8723be_mod_params.msi_support, bool, 0444);
+ module_param_named(disable_watchdog, rtl8723be_mod_params.disable_watchdog,
+ 		   bool, 0444);
++module_param_named(ant_sel, rtl8723be_mod_params.ant_sel, int, 0444);
+ MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
+ MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
+ MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
+@@ -402,6 +404,7 @@ MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 0)\n");
+ MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
+ MODULE_PARM_DESC(disable_watchdog,
+ 		 "Set to 1 to disable the watchdog (default 0)\n");
++MODULE_PARM_DESC(ant_sel, "Set to 1 or 2 to force antenna number (default 0)\n");
+ 
+ static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
+ 
+diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h
+index 4544752a2ba8..b6faf624480e 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/wifi.h
++++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h
+@@ -2252,6 +2252,9 @@ struct rtl_mod_params {
+ 
+ 	/* default 0: 1 means do not disable interrupts */
+ 	bool int_clear;
++
++	/* select antenna */
++	int ant_sel;
+ };
+ 
+ struct rtl_hal_usbint_cfg {
+diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
+index 7aafb5fb9336..9757cf9037a2 100644
+--- a/drivers/pci/probe.c
++++ b/drivers/pci/probe.c
+@@ -179,9 +179,6 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
+ 	u16 orig_cmd;
+ 	struct pci_bus_region region, inverted_region;
+ 
+-	if (dev->non_compliant_bars)
+-		return 0;
+-
+ 	mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
+ 
+ 	/* No printks while decoding is disabled! */
+@@ -322,6 +319,9 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom)
+ {
+ 	unsigned int pos, reg;
+ 
++	if (dev->non_compliant_bars)
++		return;
++
+ 	for (pos = 0; pos < howmany; pos++) {
+ 		struct resource *res = &dev->resource[pos];
+ 		reg = PCI_BASE_ADDRESS_0 + (pos << 2);
+diff --git a/drivers/pinctrl/samsung/pinctrl-exynos5440.c b/drivers/pinctrl/samsung/pinctrl-exynos5440.c
+index 82dc109f7ed4..3149a877c51f 100644
+--- a/drivers/pinctrl/samsung/pinctrl-exynos5440.c
++++ b/drivers/pinctrl/samsung/pinctrl-exynos5440.c
+@@ -107,6 +107,7 @@ struct exynos5440_pmx_func {
+  * @nr_groups: number of pin groups available.
+  * @pmx_functions: list of pin functions parsed from device tree.
+  * @nr_functions: number of pin functions available.
++ * @range: gpio range to register with pinctrl
+  */
+ struct exynos5440_pinctrl_priv_data {
+ 	void __iomem			*reg_base;
+@@ -117,6 +118,7 @@ struct exynos5440_pinctrl_priv_data {
+ 	unsigned int			nr_groups;
+ 	const struct exynos5440_pmx_func	*pmx_functions;
+ 	unsigned int			nr_functions;
++	struct pinctrl_gpio_range	range;
+ };
+ 
+ /**
+@@ -742,7 +744,6 @@ static int exynos5440_pinctrl_register(struct platform_device *pdev,
+ 	struct pinctrl_desc *ctrldesc;
+ 	struct pinctrl_dev *pctl_dev;
+ 	struct pinctrl_pin_desc *pindesc, *pdesc;
+-	struct pinctrl_gpio_range grange;
+ 	char *pin_names;
+ 	int pin, ret;
+ 
+@@ -794,12 +795,12 @@ static int exynos5440_pinctrl_register(struct platform_device *pdev,
+ 		return PTR_ERR(pctl_dev);
+ 	}
+ 
+-	grange.name = "exynos5440-pctrl-gpio-range";
+-	grange.id = 0;
+-	grange.base = 0;
+-	grange.npins = EXYNOS5440_MAX_PINS;
+-	grange.gc = priv->gc;
+-	pinctrl_add_gpio_range(pctl_dev, &grange);
++	priv->range.name = "exynos5440-pctrl-gpio-range";
++	priv->range.id = 0;
++	priv->range.base = 0;
++	priv->range.npins = EXYNOS5440_MAX_PINS;
++	priv->range.gc = priv->gc;
++	pinctrl_add_gpio_range(pctl_dev, &priv->range);
+ 	return 0;
+ }
+ 
+diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
+index d044f3f273be..467773033a20 100644
+--- a/drivers/scsi/aacraid/aacraid.h
++++ b/drivers/scsi/aacraid/aacraid.h
+@@ -29,6 +29,7 @@ enum {
+ #define AAC_INT_MODE_MSI		(1<<1)
+ #define AAC_INT_MODE_AIF		(1<<2)
+ #define AAC_INT_MODE_SYNC		(1<<3)
++#define AAC_INT_MODE_MSIX		(1<<16)
+ 
+ #define AAC_INT_ENABLE_TYPE1_INTX	0xfffffffb
+ #define AAC_INT_ENABLE_TYPE1_MSIX	0xfffffffa
+diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
+index 0e954e37f0b5..0d351cd3191b 100644
+--- a/drivers/scsi/aacraid/comminit.c
++++ b/drivers/scsi/aacraid/comminit.c
+@@ -37,6 +37,7 @@
+ #include <linux/spinlock.h>
+ #include <linux/slab.h>
+ #include <linux/blkdev.h>
++#include <linux/delay.h>
+ #include <linux/completion.h>
+ #include <linux/mm.h>
+ #include <scsi/scsi_host.h>
+@@ -47,6 +48,20 @@ struct aac_common aac_config = {
+ 	.irq_mod = 1
+ };
+ 
++static inline int aac_is_msix_mode(struct aac_dev *dev)
++{
++	u32 status;
++
++	status = src_readl(dev, MUnit.OMR);
++	return (status & AAC_INT_MODE_MSIX);
++}
++
++static inline void aac_change_to_intx(struct aac_dev *dev)
++{
++	aac_src_access_devreg(dev, AAC_DISABLE_MSIX);
++	aac_src_access_devreg(dev, AAC_ENABLE_INTX);
++}
++
+ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long commsize, unsigned long commalign)
+ {
+ 	unsigned char *base;
+@@ -425,6 +440,15 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
+ 	dev->comm_interface = AAC_COMM_PRODUCER;
+ 	dev->raw_io_interface = dev->raw_io_64 = 0;
+ 
++
++	/*
++	 * Enable INTX mode, if not done already Enabled
++	 */
++	if (aac_is_msix_mode(dev)) {
++		aac_change_to_intx(dev);
++		dev_info(&dev->pdev->dev, "Changed firmware to INTX mode");
++	}
++
+ 	if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES,
+ 		0, 0, 0, 0, 0, 0,
+ 		status+0, status+1, status+2, status+3, NULL)) &&
+diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
+index 4cbf54928640..8c758c36fc70 100644
+--- a/drivers/scsi/aacraid/commsup.c
++++ b/drivers/scsi/aacraid/commsup.c
+@@ -611,10 +611,10 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
+ 					}
+ 					return -EFAULT;
+ 				}
+-				/* We used to udelay() here but that absorbed
+-				 * a CPU when a timeout occured. Not very
+-				 * useful. */
+-				cpu_relax();
++				/*
++				 * Allow other processes / CPUS to use core
++				 */
++				schedule();
+ 			}
+ 		} else if (down_interruptible(&fibptr->event_wait)) {
+ 			/* Do nothing ... satisfy
+@@ -1970,6 +1970,10 @@ int aac_command_thread(void *data)
+ 		if (difference <= 0)
+ 			difference = 1;
+ 		set_current_state(TASK_INTERRUPTIBLE);
++
++		if (kthread_should_stop())
++			break;
++
+ 		schedule_timeout(difference);
+ 
+ 		if (kthread_should_stop())
+diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
+index 73190f5d2832..71d26c8e1b8f 100644
+--- a/drivers/tty/serial/ucc_uart.c
++++ b/drivers/tty/serial/ucc_uart.c
+@@ -1478,6 +1478,9 @@ static const struct of_device_id ucc_uart_match[] = {
+ 		.type = "serial",
+ 		.compatible = "ucc_uart",
+ 	},
++	{
++		.compatible = "fsl,t1040-ucc-uart",
++	},
+ 	{},
+ };
+ MODULE_DEVICE_TABLE(of, ucc_uart_match);
+diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
+index 44367783f07a..83ec7b89d308 100644
+--- a/drivers/xen/events/events_base.c
++++ b/drivers/xen/events/events_base.c
+@@ -487,7 +487,8 @@ static void eoi_pirq(struct irq_data *data)
+ 	if (!VALID_EVTCHN(evtchn))
+ 		return;
+ 
+-	if (unlikely(irqd_is_setaffinity_pending(data))) {
++	if (unlikely(irqd_is_setaffinity_pending(data)) &&
++	    likely(!irqd_irq_disabled(data))) {
+ 		int masked = test_and_set_mask(evtchn);
+ 
+ 		clear_evtchn(evtchn);
+@@ -1370,7 +1371,8 @@ static void ack_dynirq(struct irq_data *data)
+ 	if (!VALID_EVTCHN(evtchn))
+ 		return;
+ 
+-	if (unlikely(irqd_is_setaffinity_pending(data))) {
++	if (unlikely(irqd_is_setaffinity_pending(data)) &&
++	    likely(!irqd_irq_disabled(data))) {
+ 		int masked = test_and_set_mask(evtchn);
+ 
+ 		clear_evtchn(evtchn);
+diff --git a/fs/affs/super.c b/fs/affs/super.c
+index 5b50c4ca43a7..f90c535703ce 100644
+--- a/fs/affs/super.c
++++ b/fs/affs/super.c
+@@ -528,7 +528,7 @@ affs_remount(struct super_block *sb, int *flags, char *data)
+ 	char			*prefix = NULL;
+ 
+ 	new_opts = kstrdup(data, GFP_KERNEL);
+-	if (!new_opts)
++	if (data && !new_opts)
+ 		return -ENOMEM;
+ 
+ 	pr_debug("%s(flags=0x%x,opts=\"%s\")\n", __func__, *flags, data);
+@@ -546,7 +546,8 @@ affs_remount(struct super_block *sb, int *flags, char *data)
+ 	}
+ 
+ 	flush_delayed_work(&sbi->sb_work);
+-	replace_mount_options(sb, new_opts);
++	if (new_opts)
++		replace_mount_options(sb, new_opts);
+ 
+ 	sbi->s_flags = mount_flags;
+ 	sbi->s_mode  = mode;
+diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
+index 53f2b98a69f3..5388207d2832 100644
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -1143,25 +1143,20 @@ struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino)
+ 	unsigned long max_ino = le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count);
+ 	ext4_group_t block_group;
+ 	int bit;
+-	struct buffer_head *bitmap_bh;
++	struct buffer_head *bitmap_bh = NULL;
+ 	struct inode *inode = NULL;
+-	long err = -EIO;
++	int err = -EFSCORRUPTED;
+ 
+-	/* Error cases - e2fsck has already cleaned up for us */
+-	if (ino > max_ino) {
+-		ext4_warning(sb, "bad orphan ino %lu!  e2fsck was run?", ino);
+-		err = -EFSCORRUPTED;
+-		goto error;
+-	}
++	if (ino < EXT4_FIRST_INO(sb) || ino > max_ino)
++		goto bad_orphan;
+ 
+ 	block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb);
+ 	bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb);
+ 	bitmap_bh = ext4_read_inode_bitmap(sb, block_group);
+ 	if (IS_ERR(bitmap_bh)) {
+-		err = PTR_ERR(bitmap_bh);
+-		ext4_warning(sb, "inode bitmap error %ld for orphan %lu",
+-			     ino, err);
+-		goto error;
++		ext4_error(sb, "inode bitmap error %ld for orphan %lu",
++			   ino, PTR_ERR(bitmap_bh));
++		return (struct inode *) bitmap_bh;
+ 	}
+ 
+ 	/* Having the inode bit set should be a 100% indicator that this
+@@ -1172,15 +1167,21 @@ struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino)
+ 		goto bad_orphan;
+ 
+ 	inode = ext4_iget(sb, ino);
+-	if (IS_ERR(inode))
+-		goto iget_failed;
++	if (IS_ERR(inode)) {
++		err = PTR_ERR(inode);
++		ext4_error(sb, "couldn't read orphan inode %lu (err %d)",
++			   ino, err);
++		return inode;
++	}
+ 
+ 	/*
+-	 * If the orphans has i_nlinks > 0 then it should be able to be
+-	 * truncated, otherwise it won't be removed from the orphan list
+-	 * during processing and an infinite loop will result.
++	 * If the orphans has i_nlinks > 0 then it should be able to
++	 * be truncated, otherwise it won't be removed from the orphan
++	 * list during processing and an infinite loop will result.
++	 * Similarly, it must not be a bad inode.
+ 	 */
+-	if (inode->i_nlink && !ext4_can_truncate(inode))
++	if ((inode->i_nlink && !ext4_can_truncate(inode)) ||
++	    is_bad_inode(inode))
+ 		goto bad_orphan;
+ 
+ 	if (NEXT_ORPHAN(inode) > max_ino)
+@@ -1188,29 +1189,25 @@ struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino)
+ 	brelse(bitmap_bh);
+ 	return inode;
+ 
+-iget_failed:
+-	err = PTR_ERR(inode);
+-	inode = NULL;
+ bad_orphan:
+-	ext4_warning(sb, "bad orphan inode %lu!  e2fsck was run?", ino);
+-	printk(KERN_WARNING "ext4_test_bit(bit=%d, block=%llu) = %d\n",
+-	       bit, (unsigned long long)bitmap_bh->b_blocknr,
+-	       ext4_test_bit(bit, bitmap_bh->b_data));
+-	printk(KERN_WARNING "inode=%p\n", inode);
++	ext4_error(sb, "bad orphan inode %lu", ino);
++	if (bitmap_bh)
++		printk(KERN_ERR "ext4_test_bit(bit=%d, block=%llu) = %d\n",
++		       bit, (unsigned long long)bitmap_bh->b_blocknr,
++		       ext4_test_bit(bit, bitmap_bh->b_data));
+ 	if (inode) {
+-		printk(KERN_WARNING "is_bad_inode(inode)=%d\n",
++		printk(KERN_ERR "is_bad_inode(inode)=%d\n",
+ 		       is_bad_inode(inode));
+-		printk(KERN_WARNING "NEXT_ORPHAN(inode)=%u\n",
++		printk(KERN_ERR "NEXT_ORPHAN(inode)=%u\n",
+ 		       NEXT_ORPHAN(inode));
+-		printk(KERN_WARNING "max_ino=%lu\n", max_ino);
+-		printk(KERN_WARNING "i_nlink=%u\n", inode->i_nlink);
++		printk(KERN_ERR "max_ino=%lu\n", max_ino);
++		printk(KERN_ERR "i_nlink=%u\n", inode->i_nlink);
+ 		/* Avoid freeing blocks if we got a bad deleted inode */
+ 		if (inode->i_nlink == 0)
+ 			inode->i_blocks = 0;
+ 		iput(inode);
+ 	}
+ 	brelse(bitmap_bh);
+-error:
+ 	return ERR_PTR(err);
+ }
+ 
+diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
+index 61eaf74dca37..cf734170daa9 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -1259,6 +1259,7 @@ static void ext4_mb_unload_buddy(struct ext4_buddy *e4b)
+ static int mb_find_order_for_block(struct ext4_buddy *e4b, int block)
+ {
+ 	int order = 1;
++	int bb_incr = 1 << (e4b->bd_blkbits - 1);
+ 	void *bb;
+ 
+ 	BUG_ON(e4b->bd_bitmap == e4b->bd_buddy);
+@@ -1271,7 +1272,8 @@ static int mb_find_order_for_block(struct ext4_buddy *e4b, int block)
+ 			/* this block is part of buddy of order 'order' */
+ 			return order;
+ 		}
+-		bb += 1 << (e4b->bd_blkbits - order);
++		bb += bb_incr;
++		bb_incr >>= 1;
+ 		order++;
+ 	}
+ 	return 0;
+@@ -2576,7 +2578,7 @@ int ext4_mb_init(struct super_block *sb)
+ {
+ 	struct ext4_sb_info *sbi = EXT4_SB(sb);
+ 	unsigned i, j;
+-	unsigned offset;
++	unsigned offset, offset_incr;
+ 	unsigned max;
+ 	int ret;
+ 
+@@ -2605,11 +2607,13 @@ int ext4_mb_init(struct super_block *sb)
+ 
+ 	i = 1;
+ 	offset = 0;
++	offset_incr = 1 << (sb->s_blocksize_bits - 1);
+ 	max = sb->s_blocksize << 2;
+ 	do {
+ 		sbi->s_mb_offsets[i] = offset;
+ 		sbi->s_mb_maxs[i] = max;
+-		offset += 1 << (sb->s_blocksize_bits - i);
++		offset += offset_incr;
++		offset_incr = offset_incr >> 1;
+ 		max = max >> 1;
+ 		i++;
+ 	} while (i <= sb->s_blocksize_bits + 1);
+diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
+index a969ab39f302..91bf36f22dbf 100644
+--- a/fs/ext4/namei.c
++++ b/fs/ext4/namei.c
+@@ -2809,7 +2809,7 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
+ 			 * list entries can cause panics at unmount time.
+ 			 */
+ 			mutex_lock(&sbi->s_orphan_lock);
+-			list_del(&EXT4_I(inode)->i_orphan);
++			list_del_init(&EXT4_I(inode)->i_orphan);
+ 			mutex_unlock(&sbi->s_orphan_lock);
+ 		}
+ 	}
+diff --git a/fs/pipe.c b/fs/pipe.c
+index 42cf8ddf0e55..ab8dad3ccb6a 100644
+--- a/fs/pipe.c
++++ b/fs/pipe.c
+@@ -38,6 +38,12 @@ unsigned int pipe_max_size = 1048576;
+  */
+ unsigned int pipe_min_size = PAGE_SIZE;
+ 
++/* Maximum allocatable pages per user. Hard limit is unset by default, soft
++ * matches default values.
++ */
++unsigned long pipe_user_pages_hard;
++unsigned long pipe_user_pages_soft = PIPE_DEF_BUFFERS * INR_OPEN_CUR;
++
+ /*
+  * We use a start+len construction, which provides full use of the 
+  * allocated memory.
+@@ -583,20 +589,49 @@ pipe_fasync(int fd, struct file *filp, int on)
+ 	return retval;
+ }
+ 
++static void account_pipe_buffers(struct pipe_inode_info *pipe,
++                                 unsigned long old, unsigned long new)
++{
++	atomic_long_add(new - old, &pipe->user->pipe_bufs);
++}
++
++static bool too_many_pipe_buffers_soft(struct user_struct *user)
++{
++	return pipe_user_pages_soft &&
++	       atomic_long_read(&user->pipe_bufs) >= pipe_user_pages_soft;
++}
++
++static bool too_many_pipe_buffers_hard(struct user_struct *user)
++{
++	return pipe_user_pages_hard &&
++	       atomic_long_read(&user->pipe_bufs) >= pipe_user_pages_hard;
++}
++
+ struct pipe_inode_info *alloc_pipe_info(void)
+ {
+ 	struct pipe_inode_info *pipe;
+ 
+ 	pipe = kzalloc(sizeof(struct pipe_inode_info), GFP_KERNEL);
+ 	if (pipe) {
+-		pipe->bufs = kzalloc(sizeof(struct pipe_buffer) * PIPE_DEF_BUFFERS, GFP_KERNEL);
++		unsigned long pipe_bufs = PIPE_DEF_BUFFERS;
++		struct user_struct *user = get_current_user();
++
++		if (!too_many_pipe_buffers_hard(user)) {
++			if (too_many_pipe_buffers_soft(user))
++				pipe_bufs = 1;
++			pipe->bufs = kzalloc(sizeof(struct pipe_buffer) * pipe_bufs, GFP_KERNEL);
++		}
++
+ 		if (pipe->bufs) {
+ 			init_waitqueue_head(&pipe->wait);
+ 			pipe->r_counter = pipe->w_counter = 1;
+-			pipe->buffers = PIPE_DEF_BUFFERS;
++			pipe->buffers = pipe_bufs;
++			pipe->user = user;
++			account_pipe_buffers(pipe, 0, pipe_bufs);
+ 			mutex_init(&pipe->mutex);
+ 			return pipe;
+ 		}
++		free_uid(user);
+ 		kfree(pipe);
+ 	}
+ 
+@@ -607,6 +642,8 @@ void free_pipe_info(struct pipe_inode_info *pipe)
+ {
+ 	int i;
+ 
++	account_pipe_buffers(pipe, pipe->buffers, 0);
++	free_uid(pipe->user);
+ 	for (i = 0; i < pipe->buffers; i++) {
+ 		struct pipe_buffer *buf = pipe->bufs + i;
+ 		if (buf->ops)
+@@ -998,6 +1035,7 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long nr_pages)
+ 			memcpy(bufs + head, pipe->bufs, tail * sizeof(struct pipe_buffer));
+ 	}
+ 
++	account_pipe_buffers(pipe, pipe->buffers, nr_pages);
+ 	pipe->curbuf = 0;
+ 	kfree(pipe->bufs);
+ 	pipe->bufs = bufs;
+@@ -1069,6 +1107,11 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
+ 		if (!capable(CAP_SYS_RESOURCE) && size > pipe_max_size) {
+ 			ret = -EPERM;
+ 			goto out;
++		} else if ((too_many_pipe_buffers_hard(pipe->user) ||
++			    too_many_pipe_buffers_soft(pipe->user)) &&
++		           !capable(CAP_SYS_RESOURCE) && !capable(CAP_SYS_ADMIN)) {
++			ret = -EPERM;
++			goto out;
+ 		}
+ 		ret = pipe_set_size(pipe, nr_pages);
+ 		break;
+diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
+index 3479294c1d58..e1e7fe3b5424 100644
+--- a/fs/xfs/libxfs/xfs_alloc.c
++++ b/fs/xfs/libxfs/xfs_alloc.c
+@@ -535,6 +535,7 @@ xfs_agfl_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_agfl_buf_ops = {
++	.name = "xfs_agfl",
+ 	.verify_read = xfs_agfl_read_verify,
+ 	.verify_write = xfs_agfl_write_verify,
+ };
+@@ -2339,6 +2340,7 @@ xfs_agf_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_agf_buf_ops = {
++	.name = "xfs_agf",
+ 	.verify_read = xfs_agf_read_verify,
+ 	.verify_write = xfs_agf_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c
+index 90de071dd4c2..eb8bbfe85484 100644
+--- a/fs/xfs/libxfs/xfs_alloc_btree.c
++++ b/fs/xfs/libxfs/xfs_alloc_btree.c
+@@ -379,6 +379,7 @@ xfs_allocbt_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_allocbt_buf_ops = {
++	.name = "xfs_allocbt",
+ 	.verify_read = xfs_allocbt_read_verify,
+ 	.verify_write = xfs_allocbt_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
+index aa187f7ba2dd..01a5ecfedfcf 100644
+--- a/fs/xfs/libxfs/xfs_attr_leaf.c
++++ b/fs/xfs/libxfs/xfs_attr_leaf.c
+@@ -328,6 +328,7 @@ xfs_attr3_leaf_read_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_attr3_leaf_buf_ops = {
++	.name = "xfs_attr3_leaf",
+ 	.verify_read = xfs_attr3_leaf_read_verify,
+ 	.verify_write = xfs_attr3_leaf_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c
+index 5ab95ffa4ae9..f3ed9bf0b065 100644
+--- a/fs/xfs/libxfs/xfs_attr_remote.c
++++ b/fs/xfs/libxfs/xfs_attr_remote.c
+@@ -201,6 +201,7 @@ xfs_attr3_rmt_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_attr3_rmt_buf_ops = {
++	.name = "xfs_attr3_rmt",
+ 	.verify_read = xfs_attr3_rmt_read_verify,
+ 	.verify_write = xfs_attr3_rmt_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
+index 6b0cf6546a82..1637c37bfbaa 100644
+--- a/fs/xfs/libxfs/xfs_bmap_btree.c
++++ b/fs/xfs/libxfs/xfs_bmap_btree.c
+@@ -720,6 +720,7 @@ xfs_bmbt_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_bmbt_buf_ops = {
++	.name = "xfs_bmbt",
+ 	.verify_read = xfs_bmbt_read_verify,
+ 	.verify_write = xfs_bmbt_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
+index e89a0f8f827c..097bf7717d80 100644
+--- a/fs/xfs/libxfs/xfs_da_btree.c
++++ b/fs/xfs/libxfs/xfs_da_btree.c
+@@ -245,6 +245,7 @@ xfs_da3_node_read_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_da3_node_buf_ops = {
++	.name = "xfs_da3_node",
+ 	.verify_read = xfs_da3_node_read_verify,
+ 	.verify_write = xfs_da3_node_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
+index 9c10e2b8cfcb..aa17cb788946 100644
+--- a/fs/xfs/libxfs/xfs_dir2_block.c
++++ b/fs/xfs/libxfs/xfs_dir2_block.c
+@@ -123,6 +123,7 @@ xfs_dir3_block_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_dir3_block_buf_ops = {
++	.name = "xfs_dir3_block",
+ 	.verify_read = xfs_dir3_block_read_verify,
+ 	.verify_write = xfs_dir3_block_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c
+index af71a84f343c..725fc7841fde 100644
+--- a/fs/xfs/libxfs/xfs_dir2_data.c
++++ b/fs/xfs/libxfs/xfs_dir2_data.c
+@@ -305,11 +305,13 @@ xfs_dir3_data_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_dir3_data_buf_ops = {
++	.name = "xfs_dir3_data",
+ 	.verify_read = xfs_dir3_data_read_verify,
+ 	.verify_write = xfs_dir3_data_write_verify,
+ };
+ 
+ static const struct xfs_buf_ops xfs_dir3_data_reada_buf_ops = {
++	.name = "xfs_dir3_data_reada",
+ 	.verify_read = xfs_dir3_data_reada_verify,
+ 	.verify_write = xfs_dir3_data_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c
+index 3923e1f94697..b887fb2a2bcf 100644
+--- a/fs/xfs/libxfs/xfs_dir2_leaf.c
++++ b/fs/xfs/libxfs/xfs_dir2_leaf.c
+@@ -245,11 +245,13 @@ xfs_dir3_leafn_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops = {
++	.name = "xfs_dir3_leaf1",
+ 	.verify_read = xfs_dir3_leaf1_read_verify,
+ 	.verify_write = xfs_dir3_leaf1_write_verify,
+ };
+ 
+ const struct xfs_buf_ops xfs_dir3_leafn_buf_ops = {
++	.name = "xfs_dir3_leafn",
+ 	.verify_read = xfs_dir3_leafn_read_verify,
+ 	.verify_write = xfs_dir3_leafn_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
+index 70b0cb2fd556..63ee03db796c 100644
+--- a/fs/xfs/libxfs/xfs_dir2_node.c
++++ b/fs/xfs/libxfs/xfs_dir2_node.c
+@@ -150,6 +150,7 @@ xfs_dir3_free_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_dir3_free_buf_ops = {
++	.name = "xfs_dir3_free",
+ 	.verify_read = xfs_dir3_free_read_verify,
+ 	.verify_write = xfs_dir3_free_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c
+index 5331b7f0460c..3cc3cf767474 100644
+--- a/fs/xfs/libxfs/xfs_dquot_buf.c
++++ b/fs/xfs/libxfs/xfs_dquot_buf.c
+@@ -54,7 +54,7 @@ xfs_dqcheck(
+ 	xfs_dqid_t	 id,
+ 	uint		 type,	  /* used only when IO_dorepair is true */
+ 	uint		 flags,
+-	char		 *str)
++	const char	 *str)
+ {
+ 	xfs_dqblk_t	 *d = (xfs_dqblk_t *)ddq;
+ 	int		errs = 0;
+@@ -207,7 +207,8 @@ xfs_dquot_buf_verify_crc(
+ STATIC bool
+ xfs_dquot_buf_verify(
+ 	struct xfs_mount	*mp,
+-	struct xfs_buf		*bp)
++	struct xfs_buf		*bp,
++	int			warn)
+ {
+ 	struct xfs_dqblk	*d = (struct xfs_dqblk *)bp->b_addr;
+ 	xfs_dqid_t		id = 0;
+@@ -240,8 +241,7 @@ xfs_dquot_buf_verify(
+ 		if (i == 0)
+ 			id = be32_to_cpu(ddq->d_id);
+ 
+-		error = xfs_dqcheck(mp, ddq, id + i, 0, XFS_QMOPT_DOWARN,
+-				       "xfs_dquot_buf_verify");
++		error = xfs_dqcheck(mp, ddq, id + i, 0, warn, __func__);
+ 		if (error)
+ 			return false;
+ 	}
+@@ -256,7 +256,7 @@ xfs_dquot_buf_read_verify(
+ 
+ 	if (!xfs_dquot_buf_verify_crc(mp, bp))
+ 		xfs_buf_ioerror(bp, -EFSBADCRC);
+-	else if (!xfs_dquot_buf_verify(mp, bp))
++	else if (!xfs_dquot_buf_verify(mp, bp, XFS_QMOPT_DOWARN))
+ 		xfs_buf_ioerror(bp, -EFSCORRUPTED);
+ 
+ 	if (bp->b_error)
+@@ -264,6 +264,25 @@ xfs_dquot_buf_read_verify(
+ }
+ 
+ /*
++ * readahead errors are silent and simply leave the buffer as !done so a real
++ * read will then be run with the xfs_dquot_buf_ops verifier. See
++ * xfs_inode_buf_verify() for why we use EIO and ~XBF_DONE here rather than
++ * reporting the failure.
++ */
++static void
++xfs_dquot_buf_readahead_verify(
++	struct xfs_buf	*bp)
++{
++	struct xfs_mount	*mp = bp->b_target->bt_mount;
++
++	if (!xfs_dquot_buf_verify_crc(mp, bp) ||
++	    !xfs_dquot_buf_verify(mp, bp, 0)) {
++		xfs_buf_ioerror(bp, -EIO);
++		bp->b_flags &= ~XBF_DONE;
++	}
++}
++
++/*
+  * we don't calculate the CRC here as that is done when the dquot is flushed to
+  * the buffer after the update is done. This ensures that the dquot in the
+  * buffer always has an up-to-date CRC value.
+@@ -274,7 +293,7 @@ xfs_dquot_buf_write_verify(
+ {
+ 	struct xfs_mount	*mp = bp->b_target->bt_mount;
+ 
+-	if (!xfs_dquot_buf_verify(mp, bp)) {
++	if (!xfs_dquot_buf_verify(mp, bp, XFS_QMOPT_DOWARN)) {
+ 		xfs_buf_ioerror(bp, -EFSCORRUPTED);
+ 		xfs_verifier_error(bp);
+ 		return;
+@@ -282,7 +301,13 @@ xfs_dquot_buf_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_dquot_buf_ops = {
++	.name = "xfs_dquot",
+ 	.verify_read = xfs_dquot_buf_read_verify,
+ 	.verify_write = xfs_dquot_buf_write_verify,
+ };
+ 
++const struct xfs_buf_ops xfs_dquot_buf_ra_ops = {
++	.name = "xfs_dquot_ra",
++	.verify_read = xfs_dquot_buf_readahead_verify,
++	.verify_write = xfs_dquot_buf_write_verify,
++};
+diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
+index 70c1db99f6a7..66d702e6b9ff 100644
+--- a/fs/xfs/libxfs/xfs_ialloc.c
++++ b/fs/xfs/libxfs/xfs_ialloc.c
+@@ -2572,6 +2572,7 @@ xfs_agi_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_agi_buf_ops = {
++	.name = "xfs_agi",
+ 	.verify_read = xfs_agi_read_verify,
+ 	.verify_write = xfs_agi_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
+index f39b285beb19..6dd44f9ea727 100644
+--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
++++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
+@@ -304,6 +304,7 @@ xfs_inobt_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_inobt_buf_ops = {
++	.name = "xfs_inobt",
+ 	.verify_read = xfs_inobt_read_verify,
+ 	.verify_write = xfs_inobt_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
+index 65485cfc4ade..1aabfda669b0 100644
+--- a/fs/xfs/libxfs/xfs_inode_buf.c
++++ b/fs/xfs/libxfs/xfs_inode_buf.c
+@@ -68,6 +68,8 @@ xfs_inobp_check(
+  * recovery and we don't get unnecssary panics on debug kernels. We use EIO here
+  * because all we want to do is say readahead failed; there is no-one to report
+  * the error to, so this will distinguish it from a non-ra verifier failure.
++ * Changes to this readahead error behavour also need to be reflected in
++ * xfs_dquot_buf_readahead_verify().
+  */
+ static void
+ xfs_inode_buf_verify(
+@@ -134,11 +136,13 @@ xfs_inode_buf_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_inode_buf_ops = {
++	.name = "xfs_inode",
+ 	.verify_read = xfs_inode_buf_read_verify,
+ 	.verify_write = xfs_inode_buf_write_verify,
+ };
+ 
+ const struct xfs_buf_ops xfs_inode_buf_ra_ops = {
++	.name = "xxfs_inode_ra",
+ 	.verify_read = xfs_inode_buf_readahead_verify,
+ 	.verify_write = xfs_inode_buf_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_quota_defs.h b/fs/xfs/libxfs/xfs_quota_defs.h
+index 1b0a08379759..f51078f1e92a 100644
+--- a/fs/xfs/libxfs/xfs_quota_defs.h
++++ b/fs/xfs/libxfs/xfs_quota_defs.h
+@@ -153,7 +153,7 @@ typedef __uint16_t	xfs_qwarncnt_t;
+ #define XFS_QMOPT_RESBLK_MASK	(XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_RES_RTBLKS)
+ 
+ extern int xfs_dqcheck(struct xfs_mount *mp, xfs_disk_dquot_t *ddq,
+-		       xfs_dqid_t id, uint type, uint flags, char *str);
++		       xfs_dqid_t id, uint type, uint flags, const char *str);
+ extern int xfs_calc_dquots_per_chunk(unsigned int nbblks);
+ 
+ #endif	/* __XFS_QUOTA_H__ */
+diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
+index a0b071d881a0..8a53eaa349f4 100644
+--- a/fs/xfs/libxfs/xfs_sb.c
++++ b/fs/xfs/libxfs/xfs_sb.c
+@@ -679,11 +679,13 @@ xfs_sb_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_sb_buf_ops = {
++	.name = "xfs_sb",
+ 	.verify_read = xfs_sb_read_verify,
+ 	.verify_write = xfs_sb_write_verify,
+ };
+ 
+ const struct xfs_buf_ops xfs_sb_quiet_buf_ops = {
++	.name = "xfs_sb_quiet",
+ 	.verify_read = xfs_sb_quiet_read_verify,
+ 	.verify_write = xfs_sb_write_verify,
+ };
+diff --git a/fs/xfs/libxfs/xfs_shared.h b/fs/xfs/libxfs/xfs_shared.h
+index 5be529707903..15c3ceb845b9 100644
+--- a/fs/xfs/libxfs/xfs_shared.h
++++ b/fs/xfs/libxfs/xfs_shared.h
+@@ -49,6 +49,7 @@ extern const struct xfs_buf_ops xfs_inobt_buf_ops;
+ extern const struct xfs_buf_ops xfs_inode_buf_ops;
+ extern const struct xfs_buf_ops xfs_inode_buf_ra_ops;
+ extern const struct xfs_buf_ops xfs_dquot_buf_ops;
++extern const struct xfs_buf_ops xfs_dquot_buf_ra_ops;
+ extern const struct xfs_buf_ops xfs_sb_buf_ops;
+ extern const struct xfs_buf_ops xfs_sb_quiet_buf_ops;
+ extern const struct xfs_buf_ops xfs_symlink_buf_ops;
+diff --git a/fs/xfs/libxfs/xfs_symlink_remote.c b/fs/xfs/libxfs/xfs_symlink_remote.c
+index cb6fd20a4d3d..2e2c6716b623 100644
+--- a/fs/xfs/libxfs/xfs_symlink_remote.c
++++ b/fs/xfs/libxfs/xfs_symlink_remote.c
+@@ -168,6 +168,7 @@ xfs_symlink_write_verify(
+ }
+ 
+ const struct xfs_buf_ops xfs_symlink_buf_ops = {
++	.name = "xfs_symlink",
+ 	.verify_read = xfs_symlink_read_verify,
+ 	.verify_write = xfs_symlink_write_verify,
+ };
+diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
+index c79b717d9b88..c75721acd867 100644
+--- a/fs/xfs/xfs_buf.h
++++ b/fs/xfs/xfs_buf.h
+@@ -132,6 +132,7 @@ struct xfs_buf_map {
+ 	struct xfs_buf_map (map) = { .bm_bn = (blkno), .bm_len = (numblk) };
+ 
+ struct xfs_buf_ops {
++	char *name;
+ 	void (*verify_read)(struct xfs_buf *);
+ 	void (*verify_write)(struct xfs_buf *);
+ };
+diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
+index 74d0e5966ebc..88693a98fac5 100644
+--- a/fs/xfs/xfs_error.c
++++ b/fs/xfs/xfs_error.c
+@@ -164,9 +164,9 @@ xfs_verifier_error(
+ {
+ 	struct xfs_mount *mp = bp->b_target->bt_mount;
+ 
+-	xfs_alert(mp, "Metadata %s detected at %pF, block 0x%llx",
++	xfs_alert(mp, "Metadata %s detected at %pF, %s block 0x%llx",
+ 		  bp->b_error == -EFSBADCRC ? "CRC error" : "corruption",
+-		  __return_address, bp->b_bn);
++		  __return_address, bp->b_ops->name, bp->b_bn);
+ 
+ 	xfs_alert(mp, "Unmount and run xfs_repair");
+ 
+diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
+index ee3aaa0a5317..ca0d3eb44925 100644
+--- a/fs/xfs/xfs_fsops.c
++++ b/fs/xfs/xfs_fsops.c
+@@ -243,8 +243,8 @@ xfs_growfs_data_private(
+ 		agf->agf_roots[XFS_BTNUM_CNTi] = cpu_to_be32(XFS_CNT_BLOCK(mp));
+ 		agf->agf_levels[XFS_BTNUM_BNOi] = cpu_to_be32(1);
+ 		agf->agf_levels[XFS_BTNUM_CNTi] = cpu_to_be32(1);
+-		agf->agf_flfirst = 0;
+-		agf->agf_fllast = cpu_to_be32(XFS_AGFL_SIZE(mp) - 1);
++		agf->agf_flfirst = cpu_to_be32(1);
++		agf->agf_fllast = 0;
+ 		agf->agf_flcount = 0;
+ 		tmpsize = agsize - XFS_PREALLOC_BLOCKS(mp);
+ 		agf->agf_freeblks = cpu_to_be32(tmpsize);
+diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
+index 8ee393996b7d..f0ce28cd311d 100644
+--- a/fs/xfs/xfs_inode.c
++++ b/fs/xfs/xfs_inode.c
+@@ -3220,13 +3220,14 @@ xfs_iflush_cluster(
+ 		 * We need to check under the i_flags_lock for a valid inode
+ 		 * here. Skip it if it is not valid or the wrong inode.
+ 		 */
+-		spin_lock(&ip->i_flags_lock);
+-		if (!ip->i_ino ||
++		spin_lock(&iq->i_flags_lock);
++		if (!iq->i_ino ||
++		    __xfs_iflags_test(iq, XFS_ISTALE) ||
+ 		    (XFS_INO_TO_AGINO(mp, iq->i_ino) & mask) != first_index) {
+-			spin_unlock(&ip->i_flags_lock);
++			spin_unlock(&iq->i_flags_lock);
+ 			continue;
+ 		}
+-		spin_unlock(&ip->i_flags_lock);
++		spin_unlock(&iq->i_flags_lock);
+ 
+ 		/*
+ 		 * Do an un-protected check to see if the inode is dirty and
+@@ -3342,7 +3343,7 @@ xfs_iflush(
+ 	struct xfs_buf		**bpp)
+ {
+ 	struct xfs_mount	*mp = ip->i_mount;
+-	struct xfs_buf		*bp;
++	struct xfs_buf		*bp = NULL;
+ 	struct xfs_dinode	*dip;
+ 	int			error;
+ 
+@@ -3384,14 +3385,22 @@ xfs_iflush(
+ 	}
+ 
+ 	/*
+-	 * Get the buffer containing the on-disk inode.
++	 * Get the buffer containing the on-disk inode. We are doing a try-lock
++	 * operation here, so we may get  an EAGAIN error. In that case, we
++	 * simply want to return with the inode still dirty.
++	 *
++	 * If we get any other error, we effectively have a corruption situation
++	 * and we cannot flush the inode, so we treat it the same as failing
++	 * xfs_iflush_int().
+ 	 */
+ 	error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &bp, XBF_TRYLOCK,
+ 			       0);
+-	if (error || !bp) {
++	if (error == -EAGAIN) {
+ 		xfs_ifunlock(ip);
+ 		return error;
+ 	}
++	if (error)
++		goto corrupt_out;
+ 
+ 	/*
+ 	 * First flush out the inode that xfs_iflush was called with.
+@@ -3419,7 +3428,8 @@ xfs_iflush(
+ 	return 0;
+ 
+ corrupt_out:
+-	xfs_buf_relse(bp);
++	if (bp)
++		xfs_buf_relse(bp);
+ 	xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
+ cluster_corrupt_out:
+ 	error = -EFSCORRUPTED;
+diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
+index c5ecaacdd218..5991cdcb9040 100644
+--- a/fs/xfs/xfs_log_recover.c
++++ b/fs/xfs/xfs_log_recover.c
+@@ -3204,6 +3204,7 @@ xlog_recover_dquot_ra_pass2(
+ 	struct xfs_disk_dquot	*recddq;
+ 	struct xfs_dq_logformat	*dq_f;
+ 	uint			type;
++	int			len;
+ 
+ 
+ 	if (mp->m_qflags == 0)
+@@ -3224,8 +3225,12 @@ xlog_recover_dquot_ra_pass2(
+ 	ASSERT(dq_f);
+ 	ASSERT(dq_f->qlf_len == 1);
+ 
+-	xfs_buf_readahead(mp->m_ddev_targp, dq_f->qlf_blkno,
+-			  XFS_FSB_TO_BB(mp, dq_f->qlf_len), NULL);
++	len = XFS_FSB_TO_BB(mp, dq_f->qlf_len);
++	if (xlog_peek_buffer_cancelled(log, dq_f->qlf_blkno, len, 0))
++		return;
++
++	xfs_buf_readahead(mp->m_ddev_targp, dq_f->qlf_blkno, len,
++			  &xfs_dquot_buf_ra_ops);
+ }
+ 
+ STATIC void
+diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
+index 36bd8825bfb0..ef64a1e1a66a 100644
+--- a/fs/xfs/xfs_super.c
++++ b/fs/xfs/xfs_super.c
+@@ -1233,6 +1233,16 @@ xfs_fs_remount(
+ 			return -EINVAL;
+ 		}
+ 
++		if (XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 &&
++		    xfs_sb_has_ro_compat_feature(sbp,
++					XFS_SB_FEAT_RO_COMPAT_UNKNOWN)) {
++			xfs_warn(mp,
++"ro->rw transition prohibited on unknown (0x%x) ro-compat filesystem",
++				(sbp->sb_features_ro_compat &
++					XFS_SB_FEAT_RO_COMPAT_UNKNOWN));
++			return -EINVAL;
++		}
++
+ 		mp->m_flags &= ~XFS_MOUNT_RDONLY;
+ 
+ 		/*
+diff --git a/include/linux/mm.h b/include/linux/mm.h
+index fb8b20e5d021..f24df9c0b9df 100644
+--- a/include/linux/mm.h
++++ b/include/linux/mm.h
+@@ -1696,7 +1696,7 @@ extern void free_highmem_page(struct page *page);
+ extern void adjust_managed_page_count(struct page *page, long count);
+ extern void mem_init_print_info(const char *str);
+ 
+-extern void reserve_bootmem_region(unsigned long start, unsigned long end);
++extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
+ 
+ /* Free the reserved page into the buddy system, so it gets managed. */
+ static inline void __free_reserved_page(struct page *page)
+diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
+index eb8b8ac6df3c..24f5470d3944 100644
+--- a/include/linux/pipe_fs_i.h
++++ b/include/linux/pipe_fs_i.h
+@@ -42,6 +42,7 @@ struct pipe_buffer {
+  *	@fasync_readers: reader side fasync
+  *	@fasync_writers: writer side fasync
+  *	@bufs: the circular array of pipe buffers
++ *	@user: the user who created this pipe
+  **/
+ struct pipe_inode_info {
+ 	struct mutex mutex;
+@@ -57,6 +58,7 @@ struct pipe_inode_info {
+ 	struct fasync_struct *fasync_readers;
+ 	struct fasync_struct *fasync_writers;
+ 	struct pipe_buffer *bufs;
++	struct user_struct *user;
+ };
+ 
+ /*
+@@ -123,6 +125,8 @@ void pipe_unlock(struct pipe_inode_info *);
+ void pipe_double_lock(struct pipe_inode_info *, struct pipe_inode_info *);
+ 
+ extern unsigned int pipe_max_size, pipe_min_size;
++extern unsigned long pipe_user_pages_hard;
++extern unsigned long pipe_user_pages_soft;
+ int pipe_proc_fn(struct ctl_table *, int, void __user *, size_t *, loff_t *);
+ 
+ 
+diff --git a/include/linux/sched.h b/include/linux/sched.h
+index 21a6e9649012..1c0193baea2a 100644
+--- a/include/linux/sched.h
++++ b/include/linux/sched.h
+@@ -831,6 +831,7 @@ struct user_struct {
+ #endif
+ 	unsigned long locked_shm; /* How many pages of mlocked shm ? */
+ 	unsigned long unix_inflight;	/* How many files in flight in unix sockets */
++	atomic_long_t pipe_bufs;  /* how many pages are allocated in pipe buffers */
+ 
+ #ifdef CONFIG_KEYS
+ 	struct key *uid_keyring;	/* UID specific keyring */
+diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
+index eeba75395f7d..c8529ce28a3f 100644
+--- a/include/video/imx-ipu-v3.h
++++ b/include/video/imx-ipu-v3.h
+@@ -16,6 +16,7 @@
+ #include <linux/videodev2.h>
+ #include <linux/bitmap.h>
+ #include <linux/fb.h>
++#include <linux/of.h>
+ #include <media/v4l2-mediabus.h>
+ #include <video/videomode.h>
+ 
+@@ -344,6 +345,7 @@ struct ipu_client_platformdata {
+ 	int dc;
+ 	int dp;
+ 	int dma[2];
++	struct device_node *of_node;
+ };
+ 
+ #endif /* __DRM_IPU_H__ */
+diff --git a/kernel/exit.c b/kernel/exit.c
+index 07110c6020a0..ffba5df4abd5 100644
+--- a/kernel/exit.c
++++ b/kernel/exit.c
+@@ -918,17 +918,28 @@ static int eligible_pid(struct wait_opts *wo, struct task_struct *p)
+ 		task_pid_type(p, wo->wo_type) == wo->wo_pid;
+ }
+ 
+-static int eligible_child(struct wait_opts *wo, struct task_struct *p)
++static int
++eligible_child(struct wait_opts *wo, bool ptrace, struct task_struct *p)
+ {
+ 	if (!eligible_pid(wo, p))
+ 		return 0;
+-	/* Wait for all children (clone and not) if __WALL is set;
+-	 * otherwise, wait for clone children *only* if __WCLONE is
+-	 * set; otherwise, wait for non-clone children *only*.  (Note:
+-	 * A "clone" child here is one that reports to its parent
+-	 * using a signal other than SIGCHLD.) */
+-	if (((p->exit_signal != SIGCHLD) ^ !!(wo->wo_flags & __WCLONE))
+-	    && !(wo->wo_flags & __WALL))
++
++	/*
++	 * Wait for all children (clone and not) if __WALL is set or
++	 * if it is traced by us.
++	 */
++	if (ptrace || (wo->wo_flags & __WALL))
++		return 1;
++
++	/*
++	 * Otherwise, wait for clone children *only* if __WCLONE is set;
++	 * otherwise, wait for non-clone children *only*.
++	 *
++	 * Note: a "clone" child here is one that reports to its parent
++	 * using a signal other than SIGCHLD, or a non-leader thread which
++	 * we can only see if it is traced by us.
++	 */
++	if ((p->exit_signal != SIGCHLD) ^ !!(wo->wo_flags & __WCLONE))
+ 		return 0;
+ 
+ 	return 1;
+@@ -1301,7 +1312,7 @@ static int wait_consider_task(struct wait_opts *wo, int ptrace,
+ 	if (unlikely(exit_state == EXIT_DEAD))
+ 		return 0;
+ 
+-	ret = eligible_child(wo, p);
++	ret = eligible_child(wo, ptrace, p);
+ 	if (!ret)
+ 		return ret;
+ 
+diff --git a/kernel/sysctl.c b/kernel/sysctl.c
+index dc6858d6639e..2781141a89f9 100644
+--- a/kernel/sysctl.c
++++ b/kernel/sysctl.c
+@@ -1735,6 +1735,20 @@ static struct ctl_table fs_table[] = {
+ 		.proc_handler	= &pipe_proc_fn,
+ 		.extra1		= &pipe_min_size,
+ 	},
++	{
++		.procname	= "pipe-user-pages-hard",
++		.data		= &pipe_user_pages_hard,
++		.maxlen		= sizeof(pipe_user_pages_hard),
++		.mode		= 0644,
++		.proc_handler	= proc_doulongvec_minmax,
++	},
++	{
++		.procname	= "pipe-user-pages-soft",
++		.data		= &pipe_user_pages_soft,
++		.maxlen		= sizeof(pipe_user_pages_soft),
++		.mode		= 0644,
++		.proc_handler	= proc_doulongvec_minmax,
++	},
+ 	{ }
+ };
+ 
+diff --git a/lib/dma-debug.c b/lib/dma-debug.c
+index 4a1515f4b452..51a76af25c66 100644
+--- a/lib/dma-debug.c
++++ b/lib/dma-debug.c
+@@ -657,9 +657,9 @@ static struct dma_debug_entry *dma_entry_alloc(void)
+ 	spin_lock_irqsave(&free_entries_lock, flags);
+ 
+ 	if (list_empty(&free_entries)) {
+-		pr_err("DMA-API: debugging out of memory - disabling\n");
+ 		global_disable = true;
+ 		spin_unlock_irqrestore(&free_entries_lock, flags);
++		pr_err("DMA-API: debugging out of memory - disabling\n");
+ 		return NULL;
+ 	}
+ 
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c
+index 6cf5cadeaef7..99c1738684ec 100644
+--- a/mm/page_alloc.c
++++ b/mm/page_alloc.c
+@@ -951,7 +951,7 @@ static inline void init_reserved_page(unsigned long pfn)
+  * marks the pages PageReserved. The remaining valid pages are later
+  * sent to the buddy page allocator.
+  */
+-void __meminit reserve_bootmem_region(unsigned long start, unsigned long end)
++void __meminit reserve_bootmem_region(phys_addr_t start, phys_addr_t end)
+ {
+ 	unsigned long start_pfn = PFN_DOWN(start);
+ 	unsigned long end_pfn = PFN_UP(end);
+diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
+index 1095be9c80ab..4605dc73def6 100644
+--- a/net/sunrpc/auth_gss/svcauth_gss.c
++++ b/net/sunrpc/auth_gss/svcauth_gss.c
+@@ -857,8 +857,8 @@ unwrap_integ_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct g
+ 		goto out;
+ 	if (svc_getnl(&buf->head[0]) != seq)
+ 		goto out;
+-	/* trim off the mic at the end before returning */
+-	xdr_buf_trim(buf, mic.len + 4);
++	/* trim off the mic and padding at the end before returning */
++	xdr_buf_trim(buf, round_up_to_quad(mic.len) + 4);
+ 	stat = 0;
+ out:
+ 	kfree(mic.data);
+diff --git a/scripts/package/Makefile b/scripts/package/Makefile
+index 1aca224e8597..493e226356ca 100644
+--- a/scripts/package/Makefile
++++ b/scripts/package/Makefile
+@@ -52,7 +52,7 @@ rpm-pkg rpm: FORCE
+ 	$(call cmd,src_tar,$(KERNELPATH),kernel.spec)
+ 	$(CONFIG_SHELL) $(srctree)/scripts/mkversion > $(objtree)/.tmp_version
+ 	mv -f $(objtree)/.tmp_version $(objtree)/.version
+-	rpmbuild --target $(UTS_MACHINE) -ta $(KERNELPATH).tar.gz
++	rpmbuild $(RPMOPTS) --target $(UTS_MACHINE) -ta $(KERNELPATH).tar.gz
+ 	rm $(KERNELPATH).tar.gz kernel.spec
+ 
+ # binrpm-pkg
+@@ -63,7 +63,7 @@ binrpm-pkg: FORCE
+ 	$(CONFIG_SHELL) $(srctree)/scripts/mkversion > $(objtree)/.tmp_version
+ 	mv -f $(objtree)/.tmp_version $(objtree)/.version
+ 
+-	rpmbuild --define "_builddir $(objtree)" --target \
++	rpmbuild $(RPMOPTS) --define "_builddir $(objtree)" --target \
+ 		$(UTS_MACHINE) -bb $(objtree)/binkernel.spec
+ 	rm binkernel.spec
+ 
+diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
+index cda27c22812a..eb8fe212e163 100644
+--- a/sound/soc/codecs/ak4642.c
++++ b/sound/soc/codecs/ak4642.c
+@@ -560,6 +560,7 @@ static const struct regmap_config ak4642_regmap = {
+ 	.max_register		= FIL1_3,
+ 	.reg_defaults		= ak4642_reg,
+ 	.num_reg_defaults	= NUM_AK4642_REG_DEFAULTS,
++	.cache_type		= REGCACHE_RBTREE,
+ };
+ 
+ static const struct regmap_config ak4643_regmap = {
+@@ -568,6 +569,7 @@ static const struct regmap_config ak4643_regmap = {
+ 	.max_register		= SPK_MS,
+ 	.reg_defaults		= ak4643_reg,
+ 	.num_reg_defaults	= ARRAY_SIZE(ak4643_reg),
++	.cache_type		= REGCACHE_RBTREE,
+ };
+ 
+ static const struct regmap_config ak4648_regmap = {
+@@ -576,6 +578,7 @@ static const struct regmap_config ak4648_regmap = {
+ 	.max_register		= EQ_FBEQE,
+ 	.reg_defaults		= ak4648_reg,
+ 	.num_reg_defaults	= ARRAY_SIZE(ak4648_reg),
++	.cache_type		= REGCACHE_RBTREE,
+ };
+ 
+ static const struct ak4642_drvdata ak4642_drvdata = {


             reply	other threads:[~2016-06-08 13:38 UTC|newest]

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