This is a note to let you know that I've just added the patch titled
x86/mm/pat, x86/cpufeature: Remove cpu_has_pat
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
x86-mm-pat-x86-cpufeature-remove-cpu_has_pat.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 568a58e5dfbcb88011cad7f87ed046aa00f19d1a Mon Sep 17 00:00:00 2001
From: Borislav Petkov <bp@xxxxxxx>
Date: Tue, 29 Mar 2016 17:42:01 +0200
Subject: x86/mm/pat, x86/cpufeature: Remove cpu_has_pat
From: Borislav Petkov <bp@xxxxxxx>
commit 568a58e5dfbcb88011cad7f87ed046aa00f19d1a upstream.
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1459266123-21878-9-git-send-email-bp@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/x86/include/asm/cpufeature.h | 1 -
drivers/gpu/drm/i915/i915_gem.c | 2 +-
2 files changed, 1 insertion(+), 2 deletions(-)
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -380,7 +380,6 @@ extern const char * const x86_bug_flags[
#define cpu_has_avx2 boot_cpu_has(X86_FEATURE_AVX2)
#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLUSH)
#define cpu_has_gbpages boot_cpu_has(X86_FEATURE_GBPAGES)
-#define cpu_has_pat boot_cpu_has(X86_FEATURE_PAT)
#define cpu_has_x2apic boot_cpu_has(X86_FEATURE_X2APIC)
#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE)
#define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1730,7 +1730,7 @@ i915_gem_mmap_ioctl(struct drm_device *d
if (args->flags & ~(I915_MMAP_WC))
return -EINVAL;
- if (args->flags & I915_MMAP_WC && !cpu_has_pat)
+ if (args->flags & I915_MMAP_WC && !boot_cpu_has(X86_FEATURE_PAT))
return -ENODEV;
obj = drm_gem_object_lookup(dev, file, args->handle);
Patches currently in stable-queue which might be from bp@xxxxxxx are
queue-4.4/x86-fpu-disable-mpx-when-eagerfpu-is-off.patch
queue-4.4/x86-fpu-disable-avx-when-eagerfpu-is-off.patch
queue-4.4/x86-cpufeature-remove-cpu_has_xmm2.patch
queue-4.4/x86-cpufeature-remove-unused-and-seldomly-used-cpu_has_xx-macros.patch
queue-4.4/x86-cpufeature-replace-cpu_has_avx2-with-boot_cpu_has-usage.patch
queue-4.4/x86-cpufeature-replace-cpu_has_aes-with-boot_cpu_has-usage.patch
queue-4.4/x86-fpu-fix-eager-fpu-handling-on-legacy-fpu-machines.patch
queue-4.4/x86-cpufeature-remove-cpu_has_pse.patch
queue-4.4/x86-cpufeature-remove-cpu_has_osxsave.patch
queue-4.4/x86-mm-pat-x86-cpufeature-remove-cpu_has_pat.patch
queue-4.4/x86-fpu-revert-x86-fpu-disable-avx-when-eagerfpu-is-off.patch
queue-4.4/x86-cpufeature-remove-cpu_has_gbpages.patch
queue-4.4/x86-fpu-fix-early-fpu-command-line-parsing.patch
queue-4.4/x86-cpufeature-remove-cpu_has_x2apic.patch
queue-4.4/x86-cpufeature-remove-cpu_has_clflush.patch
queue-4.4/x86-cpufeature-remove-cpu_has_arch_perfmon.patch
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