Re: [PATCH] x86, cpu: Fix X86_FEATURE_NOPL

From: H. Peter Anvin
Date: Mon Oct 04 2010 - 17:22:53 EST


On 10/04/2010 02:12 PM, Linus Torvalds wrote:
> On Mon, Oct 4, 2010 at 2:02 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>>
>> Actually, cpu_has() depends on:
>> #if defined(CONFIG_X86_P6_NOP) || defined(CONFIG_X86_64)
>
> Ahh. Right you are. The place that depends on just P6_NOP is the
> default NOP choice logic in <asm/nops.h>
>
> But the end result ends up being the same: can we please clean this
> all up so that it isn't so confusing? Rather than add to the
> confusion?
>

Agreed that this should be cleaned up. However, in the meantime I'd
like to keep Borislav's patch in the tree since it makes the code
technically correct at least.

OK?

-hpa
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