Re: [PATCH 1/2] x86-64: Simplify cpu_has_invlpg

From: H. Peter Anvin
Date: Sun Jul 10 2011 - 14:19:12 EST


On 07/10/2011 06:53 AM, Brian Gerst wrote:
> Define CONFIG_X86_INVLPG for 64-bit too, which simplifies the code.
>
> Signed-off-by: Brian Gerst <brgerst@xxxxxxxxx>

I think a much better way to do this kind of stuff is to define
Linux-specific CPU feature bits (which we already have quite a few of).
That way they fall into the same mechanism as everything else that has
switches on CPU features, we can use alternatives, and so on.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.

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