[gentoo-commits] proj/linux-patches:4.18 commit in: /

["Mike Pagano" <mpagano@gentoo.org>]

commit:     d818ac781d276bcead7d4e53d0783e39ffca6efc
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Thu Aug 16 11:45:09 2018 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Nov 14 11:36:21 2018 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=d818ac78

x86/l1tf: Fix build error seen if CONFIG_KVM_INTEL is disabled.

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README                                    |  4 +++
 1700_x86-l1tf-config-kvm-build-error-fix.patch | 40 ++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/0000_README b/0000_README
index cf32ff2..ad4a3ed 100644
--- a/0000_README
+++ b/0000_README
@@ -55,6 +55,10 @@ Patch:  1510_fs-enable-link-security-restrictions-by-default.patch
 From:   http://sources.debian.net/src/linux/3.16.7-ckt4-3/debian/patches/debian/fs-enable-link-security-restrictions-by-default.patch/
 Desc:   Enable link security restrictions by default.
 
+Patch:  1700_x86-l1tf-config-kvm-build-error-fix.patch
+From:   http://www.kernel.org
+Desc:   x86/l1tf: Fix build error seen if CONFIG_KVM_INTEL is disabled
+
 Patch:  2500_usb-storage-Disable-UAS-on-JMicron-SATA-enclosure.patch
 From:   https://bugzilla.redhat.com/show_bug.cgi?id=1260207#c5
 Desc:   Add UAS disable quirk. See bug #640082.

diff --git a/1700_x86-l1tf-config-kvm-build-error-fix.patch b/1700_x86-l1tf-config-kvm-build-error-fix.patch
new file mode 100644
index 0000000..88c2ec6
--- /dev/null
+++ b/1700_x86-l1tf-config-kvm-build-error-fix.patch
@@ -0,0 +1,40 @@
+From 1eb46908b35dfbac0ec1848d4b1e39667e0187e9 Mon Sep 17 00:00:00 2001
+From: Guenter Roeck <linux@roeck-us.net>
+Date: Wed, 15 Aug 2018 08:38:33 -0700
+Subject: x86/l1tf: Fix build error seen if CONFIG_KVM_INTEL is disabled
+
+From: Guenter Roeck <linux@roeck-us.net>
+
+commit 1eb46908b35dfbac0ec1848d4b1e39667e0187e9 upstream.
+
+allmodconfig+CONFIG_INTEL_KVM=n results in the following build error.
+
+  ERROR: "l1tf_vmx_mitigation" [arch/x86/kvm/kvm.ko] undefined!
+
+Fixes: 5b76a3cff011 ("KVM: VMX: Tell the nested hypervisor to skip L1D flush on vmentry")
+Reported-by: Meelis Roos <mroos@linux.ee>
+Cc: Meelis Roos <mroos@linux.ee>
+Cc: Paolo Bonzini <pbonzini@redhat.com>
+Cc: Thomas Gleixner <tglx@linutronix.de>
+Signed-off-by: Guenter Roeck <linux@roeck-us.net>
+Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ arch/x86/kernel/cpu/bugs.c |    3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+--- a/arch/x86/kernel/cpu/bugs.c
++++ b/arch/x86/kernel/cpu/bugs.c
+@@ -648,10 +648,9 @@ void x86_spec_ctrl_setup_ap(void)
+ enum l1tf_mitigations l1tf_mitigation __ro_after_init = L1TF_MITIGATION_FLUSH;
+ #if IS_ENABLED(CONFIG_KVM_INTEL)
+ EXPORT_SYMBOL_GPL(l1tf_mitigation);
+-
++#endif
+ enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_AUTO;
+ EXPORT_SYMBOL_GPL(l1tf_vmx_mitigation);
+-#endif
+ 
+ static void __init l1tf_select_mitigation(void)
+ {