linux-kernel - Re: [PATCH 3/10 -tip] x86: Add cpufeatures for Advanced Power Management

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Date:	Thu, 21 May 2009 10:39:27 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	"H. Peter Anvin" <hpa@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	Robert Richter <robert.richter@....com>,
	Dave Jones <davej@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	x86 maintainers <x86@...nel.org>
Subject: Re: [PATCH 3/10 -tip] x86: Add cpufeatures for Advanced Power
 Management

On Wed, 2009-05-20 at 11:30 -0700, H. Peter Anvin wrote:
> Jaswinder Singh Rajput wrote:
> > 
> > I think better I will show with the coding to get the clear picture.
> > 
> > Currently we are using hardcoded x86_capability as [0], [2], [4], [5].
> > 
> > Thomas prefer to use constant so may be we can define current system as:
> > 
> > enum {
> > 	CPUID_0000_0001_EDX = 0,	/* 0x00000001 edx */
> > 	CPUID_8000_0001_EDX,		/* 0x80000001 edx */
> > 	CPUID_8086_0001_EDX,		/* 0x80860001 edx */
> > 	CPUID_SOFT_MISC1,		/* Software Misc1 */
> > 	CPUID_0000_0001_ECX,		/* 0x00000001 ecx */
> > 	CPUID_C000_0001_EDX,		/* 0xC0000001 edx */
> > 	CPUID_8000_0001_ECX,		/* 0x80000001 ecx */
> > 	CPUID_SOFT_MISC2,		/* Software Misc2 */
> > 	CPUID_SOFT_VIRTUAL,		/* Software Virtualization */
> > };
> > 
> 
> This really seems clumsy to me.  We don't refer to the individual words
> all that often; and more importantly, I think it'd be hard to get rid of
> all the places where the words are referenced.
> 

OK. It was thomas request. I hope this explanation will be enough and
thomas have no objection in Advanced Power Management's cpufeatures
series.

Ingo: should I resend new cpufeatures series, or you can use this one.

Thanks,
--
JSR

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