>>> On 09.12.16 at 14:00, <andrew.coop...@citrix.com> wrote:
> On 09/12/16 11:54, Jan Beulich wrote:
>> Commit dc88221c97 ("x86: rename XMM* features to SSE*") pointlessly
>> added them - these features are always available on 64-bit CPUs. (Let's
>> not assume this for MMX though in at least the insn emulator.)
>>
>> Signed-off-by: Jan Beulich <jbeul...@suse.com>
>
> This isn't necessarily true when compiled for 32bit in the userspace
> harness.
In the test harness vcpu_has_* == cpu_has_*, as also
demonstrated by
#define host_and_vcpu_must_have(feat) vcpu_must_have(feat)
. The change (as its title is trying to say) really only affects the
hypervisor.
Jan
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