From: Arun Thomas <arun.thomas@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, Andre Przywara <andre.przywara@amd.com>,
Fenghua Yu <fenghua.yu@intel.com>,
Christoph Lameter <cl@linux.com>, Tejun Heo <tj@kernel.org>,
linux-kernel@vger.kernel.org
Cc: Arun Thomas <arun.thomas@gmail.com>
Subject: [PATCH] x86, cpu: Add cpufeature flag for PCIDs
Date: Fri, 19 Aug 2011 21:42:23 +0200 [thread overview]
Message-ID: <1313782943-3898-1-git-send-email-arun.thomas@gmail.com> (raw)
This patch add a flag for Process-Context Identifiers (PCIDs) aka
Address Space Identifiers (ASIDs) aka Tagged TLB support.
Signed-off-by: Arun Thomas <arun.thomas@gmail.com>
---
arch/x86/include/asm/cpufeature.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 4258aac..f24ed51 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -114,6 +114,7 @@
#define X86_FEATURE_CX16 (4*32+13) /* CMPXCHG16B */
#define X86_FEATURE_XTPR (4*32+14) /* Send Task Priority Messages */
#define X86_FEATURE_PDCM (4*32+15) /* Performance Capabilities */
+#define X86_FEATURE_PCID (4*32+17) /* Process Context Identifiers */
#define X86_FEATURE_DCA (4*32+18) /* Direct Cache Access */
#define X86_FEATURE_XMM4_1 (4*32+19) /* "sse4_1" SSE-4.1 */
#define X86_FEATURE_XMM4_2 (4*32+20) /* "sse4_2" SSE-4.2 */
--
1.7.4.1
next reply other threads:[~2011-08-19 19:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-19 19:42 Arun Thomas [this message]
2011-08-19 22:29 ` Suresh Siddha
2011-08-22 23:10 ` [tip:x86/cpufeature] " tip-bot for Arun Thomas
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