linux-kernel - Re: [RFC PATCH 1/5] x86: Add cpu capability flag X86_FEATURE_TSC_S3

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Message-ID: <20130122140755.GB26140@feng-snb>
Date:	Tue, 22 Jan 2013 22:07:55 +0800
From:	Feng Tang <feng.tang@...el.com>
To:	"H. Peter Anvin" <hpa@...ux.intel.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	John Stultz <john.stultz@...aro.org>,
	Ingo Molnar <mingo@...e.hu>, x86@...nel.org,
	Len Brown <lenb@...nel.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 1/5] x86: Add cpu capability flag
 X86_FEATURE_TSC_S3_NOTSTOP

On Mon, Jan 21, 2013 at 09:58:32AM -0600, H. Peter Anvin wrote:
> On 01/21/2013 01:59 AM, Feng Tang wrote:
> >>>  
> >> We have an existed "TSC always running in C3+" feature and name it as
> >> X86_FEATURE_NONSTOP_TSC, so how about naming it with the same style,
> >> like X86_FEATURE_NONSTOP_TSC_S3?
> > 
> > Yeah, actually I used a name X86_FEATURE_xxx_TSC, then I did a grep,
> > and found there is no unified name convention for TSC, so I chose such
> > a name.
> > 
> 
> I think NONSTOP_TSC_S3 is quite a bit more consistent than S3_NOTSTOP...

Got it, will use that in new version.

Thanks
Feng
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