[libvirt] [Qemu-devel] [QEMU PATCH] target-i386: Disable rdtscp on Opteron_G* CPU models

Eduardo Habkost ehabkost at redhat.com
Tue Nov 17 14:42:01 UTC 2015

On Fri, Nov 13, 2015 at 05:07:13PM -0200, Eduardo Habkost wrote:
> KVM can't virtualize rdtscp on AMD CPUs yet, so there's no point
> in enabling it by default on AMD CPU models, as all we are
> getting are confused users because of the "host doesn't support
> requested feature" warnings.
> Disable rdtscp on Opteron_G* models, but keep compatibility on
> pc-*-2.4 and older (just in case there are people are doing funny
> stuff using AMD CPU models on Intel hosts).
> Signed-off-by: Eduardo Habkost <ehabkost at redhat.com>

Applied to x86 tree.


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