Re: [Xen-devel] [PATCH v2 7/7] x86/asm: Clobber %r{8..15} on exit to 32bit PV guests

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 03.05.17 at 19:51, <andrew.cooper3@xxxxxxxxxx> wrote:
> In the presence of bugs such as XSA-214 where a 32bit PV guest can get its
> hands on a long mode segment, this change prevents register content leaking
> between domains.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



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