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Re: [Qemu-devel] [QEMU 1.1 PATCH v2] Expose CPUID leaf 7 only for -cpu h
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] [QEMU 1.1 PATCH v2] Expose CPUID leaf 7 only for -cpu host |
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Date: |
Thu, 17 May 2012 10:56:36 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 |
On 05/17/2012 10:26 AM, Eduardo Habkost wrote:
> The problem is that this makes the resulting CPU feature flags
> unpredictable and dependent on the host CPU and kernel version. This
> breaks live-migration badly if migrating from a host CPU that supports
> some features on that CPUID leaf (running a recent kenrel) to a kernel
s/kenrel/kernel/
--
Eric Blake address@hidden +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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