From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Kirill A. Shutemov" , Dave Hansen , Kai Huang , Linus Torvalds , Peter Zijlstra , Thomas Gleixner , Tom Lendacky , linux-mm@kvack.org, Ingo Molnar Subject: [PATCH 4.9 212/241] x86/cpufeatures: Add Intel PCONFIG cpufeature Date: Mon, 19 Mar 2018 19:07:57 +0100 Message-Id: <20180319180759.948937973@linuxfoundation.org> In-Reply-To: <20180319180751.172155436@linuxfoundation.org> References: <20180319180751.172155436@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kirill A. Shutemov commit 7958b2246fadf54b7ff820a2a5a2c5ca1554716f upstream. CPUID.0x7.0x0:EDX[18] indicates whether Intel CPU support PCONFIG instruction. Signed-off-by: Kirill A. Shutemov Cc: Dave Hansen Cc: Kai Huang Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Tom Lendacky Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20180305162610.37510-4-kirill.shutemov@linux.intel.com Signed-off-by: Ingo Molnar Signed-off-by: Greg Kroah-Hartman --- 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 @@ -302,6 +302,7 @@ /* 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) */