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Re: [Xen-devel] [PATCH] x86/xstate: don't clobber or leak state when using XSAVES

On Fri, Apr 29, 2016 at 09:21:39AM +0800, Shuai Ruan wrote:
> On Mon, Apr 25, 2016 at 01:07:54AM -0600, Jan Beulich wrote:
> > Commit 4d27280572 ("x86/xsaves: fix overwriting between non-lazy/lazy
> > xsaves") switched to always saving full state when using compacted
> > format (which is the only one XSAVES allows). It didn't, however, also
> > adjust the restore side: In order to save full state, we also need to
> > make sure we always load full state, or else the subject vCPU's state
> > would get clobbered by that of the vCPU which happened to last have in
> > use the respective component(s).
> > 
> > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> This looks good to me.

Can we take this as an ack or a review tag?


> Thanks 

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