>>> On 29.01.16 at 17:48, wrote:
> On 29/01/16 10:29, Jan Beulich wrote:
>> --- a/xen/arch/x86/xstate.c
>> +++ b/xen/arch/x86/xstate.c
>> @@ -29,6 +29,8 @@ unsigned int *__read_mostly xstate_sizes
>> static unsigned int __read_mostly xstate_features;
>> static unsigned int __read_mostly
>> xsta
On 29/01/16 10:29, Jan Beulich wrote:
> XRSTORS unconditionally faults when xcomp_bv has bit 63 clear. Instead
> of just fixing this issue, overhaul the fault recovery code, which -
> one of the many mistakes made when xstate support got introduced - was
> blindly mirroring that accompanying FXRSTO
XRSTORS unconditionally faults when xcomp_bv has bit 63 clear. Instead
of just fixing this issue, overhaul the fault recovery code, which -
one of the many mistakes made when xstate support got introduced - was
blindly mirroring that accompanying FXRSTOR, neglecting the fact that
XRSTOR{,S} aren't
