Re: [Xen-devel] [Patch] X86: expose HLE/RTM features to dom0

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 28.02.12 at 09:12, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
>>>> On 28.02.12 at 06:09, "Liu, Jinsong" <jinsong.liu@xxxxxxxxx> wrote:
>> X86: expose HLE/RTM features to dom0
>> 
>> Intel recently release 2 new features, HLE and TRM.
>> Refer to http://software.intel.com/file/41417.
>> This patch expose them to dom0.
> 
> While I committed this as obviously correct and desirable, I wonder
> what plans you have with this feature wrt
> - permitting use for HVM guests
> - permitting use in pv DomU

Just saw that you already sent a patch to that effect (albeit to IanC
instead of IanJ).

Jan

> - actual use in the hypervisor itself
> - use in Linux (afaict impossible at least for HLE with ticket locks, yet
>   HLE is certainly the more desirable first step)
> 
> Thanks, Jan
> 
> 
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