Re: [Qemu-devel] Ideas wiki for GSoC 2010

Avi Kivity
2010-03-16T16:46:52Z

On 03/16/2010 06:33 PM, Jason wrote:
> Avi Kivity<avi<at> redhat.com> writes:
>
>
>> On 03/16/2010 02:20 AM, Jason wrote:
>>
>>> In comparing KVM 2.6.31.6b to XenServer 5.5.0, it seems KVM has fewer overall
>>> VMREADs and VMWRITEs, but there are a lot of VMWRITEs to Host FS_SEL, Host
>>> GS_SEL, Host FS_BASE, and Host GS_BASE that don't appear in Xen.
>>>
>> Ugh, these should definitely be eliminated, they keep writing the same
>> value most of the time.
>>
>>
> Sorry, I forgot to mention it would also be nice to reduce the unconditional
> writes to Host CR0 if the TS issue can still be dealt with.
>

I have some ideas on how to deal with that.

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