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Re: [Xen-devel] [PATCH 0/2] x86: emulator improvements
| To: | Jan Beulich <JBeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH 0/2] x86: emulator improvements |
| From: | Keir Fraser <keir@xxxxxxx> |
| Date: | Wed, 16 Nov 2011 16:26:37 +0000 |
| Cc: | |
| Delivery-date: | Wed, 16 Nov 2011 08:28:58 -0800 |
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| Thread-topic: | [Xen-devel] [PATCH 0/2] x86: emulator improvements |
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On 16/11/2011 14:15, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
>>>> On 16.11.11 at 14:59, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
>> 1: x86/emulator: add feature checks for newer instructions
>> 2: x86/emulator: generalize movq emulation (SSE2 and AVX variants)
>>
>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
>
> If this is acceptable, I'm planning to add support for {,v}mov{a,u}p{s,d}
> and {,v}movntp{s,d} (plus the respective opcode variants, even though
> I think we only really need full width loads and stores for the next little
> while) to deal with reports like in
> http://lists.xensource.com/archives/html/xen-devel/2011-10/msg00296.html.
Absolutely fine in principle. I'm only quibbling over details in your
current patch 2/2.
-- Keir
> Jan
>
>
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> Xen-devel mailing list
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