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* [PATCH] x86, cpu: Add cpufeature flag for PCIDs
@ 2011-08-19 19:42 Arun Thomas
  2011-08-19 22:29 ` Suresh Siddha
  2011-08-22 23:10 ` [tip:x86/cpufeature] " tip-bot for Arun Thomas
  0 siblings, 2 replies; 3+ messages in thread
From: Arun Thomas @ 2011-08-19 19:42 UTC (permalink / raw)
  To: Thomas Gleixner, Ingo Molnar, H. Peter Anvin, x86,
	Andre Przywara, Fenghua Yu, Christoph Lameter, Tejun Heo,
	linux-kernel
  Cc: Arun Thomas

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


^ permalink raw reply	[flat|nested] 3+ messages in thread

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2011-08-19 19:42 [PATCH] x86, cpu: Add cpufeature flag for PCIDs Arun Thomas
2011-08-19 22:29 ` Suresh Siddha
2011-08-22 23:10 ` [tip:x86/cpufeature] " tip-bot for Arun Thomas

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