linux-kernel - Re: [PATCH v3 0/2] add support for new persistent memory instructions

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Message-ID: <1423153467.22217.16.camel@theros.lm.intel.com>
Date:	Thu, 05 Feb 2015 09:24:27 -0700
From:	Ross Zwisler <ross.zwisler@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	H Peter Anvin <h.peter.anvin@...el.com>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH v3 0/2] add support for new persistent memory
 instructions

On Tue, 2015-01-27 at 09:53 -0700, Ross Zwisler wrote:
> This patch set adds support for two new persistent memory instructions, pcommit
> and clwb.  These instructions were announced in the document "Intel
> Architecture Instruction Set Extensions Programming Reference" with reference
> number 319433-022.
> 
> https://software.intel.com/sites/default/files/managed/0d/53/319433-022.pdf
> 
> These patches apply cleanly to v3.19-rc6.
> 
> Changes from v2:
> 
>  - Added instruction descriptions and flows to the patch descriptions.
>  - Added needed sfence to pcommit alternatives assembly.  The inline function
>    is now called pcommit_sfence().  If pcommit is not supported on the platform
>    both the pcommit and the sfence will be nops.
> 
> Cc: H Peter Anvin <h.peter.anvin@...el.com>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Borislav Petkov <bp@...en8.de>
> 
> Ross Zwisler (2):
>   x86: Add support for the pcommit instruction
>   x86: Add support for the clwb instruction
> 
>  arch/x86/include/asm/cpufeature.h    |  2 ++
>  arch/x86/include/asm/special_insns.h | 22 ++++++++++++++++++++++
>  2 files changed, 24 insertions(+)

Ping?  :)

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