Re: [Xen-devel] [PATCH v2 2/2] x86/xstate: also use alternative asm on xsave side

[Shuai Ruan <shuai.ruan@xxxxxxxxxxxxxxx>]

On Wed, Feb 03, 2016 at 05:39:53AM -0700, Jan Beulich wrote:
> From: Shuai Ruan <shuai.ruan@xxxxxxxxxxxxxxx>
> 
> This patch use alternavtive asm on the xsave side.
> As xsaves use modified optimization like xsaveopt, xsaves
> may not writing the FPU portion of the save image too.
> So xsaves also need some extra tweaks.
> 
> Signed-off-by: Shuai Ruan <shuai.ruan@xxxxxxxxxxxxxxx>
> 
> Fix XSAVES opcode. Extend the other respective XSAVEOPT conditional to
> cover XSAVES as well. Re-wrap comment being adjusted.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Thanks for pointing out the bug and fix it. 
And I test the V2 patch, it works well.





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