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Re: [Qemu-devel] how to pass pcid to guest?
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] how to pass pcid to guest? |
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Date: |
Mon, 8 Jan 2018 16:07:53 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 |
On 01/08/2018 02:03 PM, Stefan Priebe - Profihost AG wrote:
> Hello,
>
> for meltdown mitigation and performance it's important to have the pcid
> flag passed down to the guest (f.e.
> https://groups.google.com/forum/m/#!topic/mechanical-sympathy/L9mHTbeQLNU).
Indeed; you are still waiting on the qemu patch mentioned here:
https://www.qemu.org/2018/01/04/spectre/
which is still undergoing the review process, but should be up (in the
form of 2.11.1) "in the next few days".
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
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