@@ -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)
@@ -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);
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@vger.kernel.org> know about it. From 568a58e5dfbcb88011cad7f87ed046aa00f19d1a Mon Sep 17 00:00:00 2001 From: Borislav Petkov <bp@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@suse.de> commit 568a58e5dfbcb88011cad7f87ed046aa00f19d1a upstream. Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: intel-gfx@lists.freedesktop.org Link: http://lkml.kernel.org/r/1459266123-21878-9-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- arch/x86/include/asm/cpufeature.h | 1 - drivers/gpu/drm/i915/i915_gem.c | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) Patches currently in stable-queue which might be from bp@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