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

2015-11-16 Thread Eduardo Habkost
On Mon, Nov 16, 2015 at 10:44:59AM +0100, Paolo Bonzini wrote: > > > On 13/11/2015 20:07, 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

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

2015-11-16 Thread Paolo Bonzini
On 13/11/2015 20:07, 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

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

2015-11-13 Thread Eduardo Habkost
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