>>> On 25.02.16 at 11:58, <david.vra...@citrix.com> wrote:
> @@ -261,7 +261,15 @@ void xsave(struct vcpu *v, uint64_t mask)
> "=m" (*ptr), \
> "a" (lmask), "d" (hmask), "D" (ptr))
>
> - if ( word_size <= 0 || !is_pv_32bit_vcpu(v) )
> + if ( fip_width == 8 )
> + {
> + XSAVE("0x48,");
> + }
> + else if ( fip_width == 4 )
> + {
> + XSAVE("");
> + }
> + else
Both conditions would now better also check mask & XSTATE_FP,
since going these routes (and namely bypassing the FIP check, as
was done before) is fine when FP state is not being saved.
With that adjustment
Reviewed-by: Jan Beulich <jbeul...@suse.com>
Jan
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