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Re: [Qemu-devel] [PATCH v4 2/2] i386/cpu: make -cpu host support monitor
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From: |
Eduardo Habkost |
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Subject: |
Re: [Qemu-devel] [PATCH v4 2/2] i386/cpu: make -cpu host support monitor/mwait |
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Date: |
Fri, 22 Jun 2018 15:35:16 -0300 |
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User-agent: |
Mutt/1.9.2 (2017-12-15) |
On Fri, Jun 22, 2018 at 03:31:48AM +0300, Michael S. Tsirkin wrote:
> When guest CPU PM is enabled, and with -cpu host, expose the host CPU
> MWAIT leaf in the CPUID so guest can make good PM decisions.
>
> Note: the result is 100% CPU utilization reported by host as host
> no longer knows that the CPU is halted.
>
> Signed-off-by: Michael S. Tsirkin <address@hidden>
Reviewed-by: Eduardo Habkost <address@hidden>
--
Eduardo