Re: [Xen-devel] [PATCH] x86emul: support clzero

[Aravind Gopalakrishnan <aravind.gopalakrishnan@xxxxxxx>]

On 9/22/2015 8:06 AM, Jan Beulich wrote:
> ... in anticipation of this possibly going to get used by guests for
> basic thinks like memset() or clearing or pages.
>
> Since the emulation doesn't use clzero itself, checking the guest's
> CPUID for the feature to be exposed is (intentionally) being avoided
> here. All that's required is sensible guest side data for the clflush
> line size.
>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Aravind Gopalakrishnan <aravind.gopalakrishnan@xxxxxxx>

Thanks,
-Aravind.

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