[Intel-gfx] Patch "x86/mm/pat, x86/cpufeature: Remove cpu_has_pat" has been added to the 4.4-stable tree

[gregkh at linuxfoundation.org]

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 at vger.kernel.org> know about it.


>From 568a58e5dfbcb88011cad7f87ed046aa00f19d1a Mon Sep 17 00:00:00 2001
From: Borislav Petkov <bp at suse.de>
Date: Tue, 29 Mar 2016 17:42:01 +0200
Subject: x86/mm/pat, x86/cpufeature: Remove cpu_has_pat

From: Borislav Petkov <bp at suse.de>

commit 568a58e5dfbcb88011cad7f87ed046aa00f19d1a upstream.

Signed-off-by: Borislav Petkov <bp at suse.de>
Acked-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: Linus Torvalds <torvalds at linux-foundation.org>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: intel-gfx at lists.freedesktop.org
Link: http://lkml.kernel.org/r/1459266123-21878-9-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo at kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>

---
 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 at suse.de 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