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Re: [Qemu-devel] [PATCH] i386: Allow monitor / mwait cpuid override
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From: |
Alexander Graf |
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Subject: |
Re: [Qemu-devel] [PATCH] i386: Allow monitor / mwait cpuid override |
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Date: |
Wed, 28 Feb 2018 00:55:11 +0100 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
On 27.02.18 10:52, Gonglei (Arei) wrote:
> Hi all,
>
> Guests could achive good performance in 'Message Passing Workloads'
> scenarios when knowing the X86_FEATURE_MWAIT feature which is presented by
> qemu.
> the reason is that after knowing that feature,
> the guest could use mwait method, which saves VMEXIT,
> to do idle, and achives high performace in latency-sensitive scenario.
>
> Is there any plan for this patch?
>
> Or May I send a updated version based on yours? @Alex?
Oh, did I drop the ball on this one? If that's the case, sure, go ahead.
Alex