linux-kernel - Re: [PATCH] x86, cpu: Add cpufeature flag for PCIDs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1313792978.27592.2.camel@sbsiddha-desk.sc.intel.com>
Date:	Fri, 19 Aug 2011 15:29:38 -0700
From:	Suresh Siddha <suresh.b.siddha@...el.com>
To:	Arun Thomas <arun.thomas@...il.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"x86@...nel.org" <x86@...nel.org>,
	Andre Przywara <andre.przywara@....com>,
	"Yu, Fenghua" <fenghua.yu@...el.com>,
	Christoph Lameter <cl@...ux.com>, Tejun Heo <tj@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86, cpu: Add cpufeature flag for PCIDs

On Fri, 2011-08-19 at 12:42 -0700, Arun Thomas wrote:
> 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@...il.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 */

Acked-by: Suresh Siddha <suresh.b.siddha@...el.com>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/