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, \
+- ¤t_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 =
+- ¤t->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, ®->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, ®val);
++
+ 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 = {
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