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Re: [RFC v4 PATCH 48/49] multi-process: add the concept description to d
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [RFC v4 PATCH 48/49] multi-process: add the concept description to docs/devel/qemu-multiprocess |
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Date: |
Mon, 11 Nov 2019 15:41:44 +0000 |
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User-agent: |
Mutt/1.12.1 (2019-06-15) |
On Thu, Oct 24, 2019 at 05:09:29AM -0400, Jagannathan Raman wrote:
> +Accelerating device emulation
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +The messages that are required to be sent between QEMU and the emulation
> +process can add considerable latency to IO operations. The optimizations
> +described below attempt to ameliorate this effect by allowing the
> +emulation process to communicate directly with the kernel KVM driver.
> +The KVM file descriptors created wold be passed to the emulation process
s/wold/would/
I skipped the acceleration section for now because they require kvm.ko
changes. I'll focus the remainder of the review on the patches as they
are now.
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