[tip:x86/mm] x86/mm/pat, x86/cpufeature: Remove cpu_has_pat

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Commit-ID:  568a58e5dfbcb88011cad7f87ed046aa00f19d1a
Gitweb:     http://git.kernel.org/tip/568a58e5dfbcb88011cad7f87ed046aa00f19d1a
Author:     Borislav Petkov <bp@xxxxxxx>
AuthorDate: Tue, 29 Mar 2016 17:42:01 +0200
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 31 Mar 2016 13:32:43 +0200

x86/mm/pat, x86/cpufeature: Remove cpu_has_pat

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>
---
 arch/x86/include/asm/cpufeature.h | 1 -
 drivers/gpu/drm/i915/i915_gem.c   | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 3636ec0..7a3fa7d 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -132,7 +132,6 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
 #define cpu_has_clflush		boot_cpu_has(X86_FEATURE_CLFLUSH)
 #define cpu_has_gbpages		boot_cpu_has(X86_FEATURE_GBPAGES)
 #define cpu_has_arch_perfmon	boot_cpu_has(X86_FEATURE_ARCH_PERFMON)
-#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)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 3d31d3a..aaec8ae 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1732,7 +1732,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
 	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);
--
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