* [PATCH 0/2] x86: emulator improvements
@ 2011-11-16 13:59 Jan Beulich
2011-11-16 14:15 ` Jan Beulich
0 siblings, 1 reply; 3+ messages in thread
From: Jan Beulich @ 2011-11-16 13:59 UTC (permalink / raw)
To: xen-devel@lists.xensource.com
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@suse.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH 0/2] x86: emulator improvements
2011-11-16 13:59 [PATCH 0/2] x86: emulator improvements Jan Beulich
@ 2011-11-16 14:15 ` Jan Beulich
2011-11-16 16:26 ` Keir Fraser
0 siblings, 1 reply; 3+ messages in thread
From: Jan Beulich @ 2011-11-16 14:15 UTC (permalink / raw)
To: xen-devel@lists.xensource.com
>>> On 16.11.11 at 14:59, "Jan Beulich" <JBeulich@suse.com> 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@suse.com>
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.
Jan
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH 0/2] x86: emulator improvements
2011-11-16 14:15 ` Jan Beulich
@ 2011-11-16 16:26 ` Keir Fraser
0 siblings, 0 replies; 3+ messages in thread
From: Keir Fraser @ 2011-11-16 16:26 UTC (permalink / raw)
To: Jan Beulich, xen-devel@lists.xensource.com
On 16/11/2011 14:15, "Jan Beulich" <JBeulich@suse.com> wrote:
>>>> On 16.11.11 at 14:59, "Jan Beulich" <JBeulich@suse.com> 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@suse.com>
>
> 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
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
^ permalink raw reply [flat|nested] 3+ messages in thread
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2011-11-16 13:59 [PATCH 0/2] x86: emulator improvements Jan Beulich
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