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Commit be604e69 authored by Arun Thomas's avatar Arun Thomas Committed by H. Peter Anvin
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x86, cpu: Add cpufeature flag for PCIDs 



This patch add a flag for Process-Context Identifiers (PCIDs) aka
Address Space Identifiers (ASIDs) aka Tagged TLB support.

Signed-off-by: default avatarArun Thomas <arun.thomas@gmail.com>
Link: http://lkml.kernel.org/r/1313782943-3898-1-git-send-email-arun.thomas@gmail.com


Acked-by: default avatarSuresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
parent fcb8ce5c

arch/x86/include/asm/cpufeature.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */