linux-kernel - Re: [PATCH] [2/8] GBPAGES: Add feature macros for the gbpages cpuid bit

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Message-ID: <Pine.LNX.4.64.0801232225590.12676@fbirervta.pbzchgretzou.qr>
Date:	Wed, 23 Jan 2008 22:26:35 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Andi Kleen <ak@...e.de>
cc:	mingo@...e.hu, tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [2/8] GBPAGES: Add feature macros for the gbpages cpuid
 bit


On Jan 19 2008 07:48, Andi Kleen wrote:
>Subject: [PATCH] [2/8] GBPAGES: Add feature macros for the gbpages cpuid bit

Is there already a flag for /proc/cpuinfo or could you add one?

>Index: linux/include/asm-x86/cpufeature.h
>===================================================================
>--- linux.orig/include/asm-x86/cpufeature.h
>+++ linux/include/asm-x86/cpufeature.h
>@@ -49,6 +49,7 @@
> #define X86_FEATURE_MP		(1*32+19) /* MP Capable. */
> #define X86_FEATURE_NX		(1*32+20) /* Execute Disable */
> #define X86_FEATURE_MMXEXT	(1*32+22) /* AMD MMX extensions */
>+#define X86_FEATURE_GBPAGES	(1*32+26) /* GB pages */
> #define X86_FEATURE_RDTSCP	(1*32+27) /* RDTSCP */
> #define X86_FEATURE_LM		(1*32+29) /* Long Mode (x86-64) */
> #define X86_FEATURE_3DNOWEXT	(1*32+30) /* AMD 3DNow! extensions */
--
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