4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kirill A. Shutemov <kirill.shute...@linux.intel.com>

commit 7958b2246fadf54b7ff820a2a5a2c5ca1554716f upstream.

CPUID.0x7.0x0:EDX[18] indicates whether Intel CPU support PCONFIG instruction.

Signed-off-by: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
Cc: Dave Hansen <dave.han...@intel.com>
Cc: Kai Huang <kai.hu...@linux.intel.com>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Tom Lendacky <thomas.lenda...@amd.com>
Cc: linux...@kvack.org
Link: 
http://lkml.kernel.org/r/20180305162610.37510-4-kirill.shute...@linux.intel.com
Signed-off-by: Ingo Molnar <mi...@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 arch/x86/include/asm/cpufeatures.h |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -327,6 +327,7 @@
 /* Intel-defined CPU features, CPUID level 0x00000007:0 (EDX), word 18 */
 #define X86_FEATURE_AVX512_4VNNIW      (18*32+ 2) /* AVX-512 Neural Network 
Instructions */
 #define X86_FEATURE_AVX512_4FMAPS      (18*32+ 3) /* AVX-512 Multiply 
Accumulation Single precision */
+#define X86_FEATURE_PCONFIG            (18*32+18) /* Intel PCONFIG */
 #define X86_FEATURE_SPEC_CTRL          (18*32+26) /* "" Speculation Control 
(IBRS + IBPB) */
 #define X86_FEATURE_INTEL_STIBP                (18*32+27) /* "" Single Thread 
Indirect Branch Predictors */
 #define X86_FEATURE_ARCH_CAPABILITIES  (18*32+29) /* IA32_ARCH_CAPABILITIES 
MSR (Intel) */


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