From: Arun Thomas Date: Fri, 19 Aug 2011 19:42:23 +0000 (+0200) Subject: x86, cpu: Add cpufeature flag for PCIDs X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=be604e695f9a0db4cd5c4c232857a10c6bc9dee4;p=~shefty%2Frdma-dev.git 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: Arun Thomas Link: http://lkml.kernel.org/r/1313782943-3898-1-git-send-email-arun.thomas@gmail.com Acked-by: Suresh Siddha Signed-off-by: H. Peter Anvin --- diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 4258aac99a6..f24ed51c4b2 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 */