From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Dave Hansen <dave.hansen@intel.com>,
Kai Huang <kai.huang@linux.intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Tom Lendacky <thomas.lendacky@amd.com>,
linux-mm@kvack.org, Ingo Molnar <mingo@kernel.org>
Subject: [PATCH 4.9 212/241] x86/cpufeatures: Add Intel PCONFIG cpufeature
Date: Mon, 19 Mar 2018 19:07:57 +0100 [thread overview]
Message-ID: <20180319180759.948937973@linuxfoundation.org> (raw)
In-Reply-To: <20180319180751.172155436@linuxfoundation.org>
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Kirill A. Shutemov <kirill.shutemov@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.shutemov@linux.intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Kai Huang <kai.huang@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20180305162610.37510-4-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@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
@@ -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) */
next prev parent reply other threads:[~2018-03-19 18:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180319180751.172155436@linuxfoundation.org>
2018-03-19 18:04 ` [PATCH 4.9 020/241] x86/mm: Make mmap(MAP_32BIT) work correctly Greg Kroah-Hartman
2018-03-19 18:05 ` [PATCH 4.9 074/241] mm: Fix false-positive VM_BUG_ON() in page_cache_{get,add}_speculative() Greg Kroah-Hartman
2018-03-19 18:07 ` Greg Kroah-Hartman [this message]
2018-03-19 18:08 ` [PATCH 4.9 220/241] x86/mm: Fix vmalloc_fault to use pXd_large Greg Kroah-Hartman
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