Re: [Qemu-devel] [PATCH] target-i386: Do not set MCG_SER_P by default

2015-11-23 Thread Borislav Petkov
+ Tony. On Mon, Nov 23, 2015 at 03:47:44PM +0100, Paolo Bonzini wrote: > On 23/11/2015 14:22, Eduardo Habkost wrote: > > > Software Error Recovery, i.e. SER, is purely an Intel feature and it > > > shouldn't be set by default. Enable it only on Intel. > > > > What happens when SER is enabled on a

Re: [Qemu-devel] [PATCH] target-i386: Do not set MCG_SER_P by default

2015-11-23 Thread Paolo Bonzini
On 23/11/2015 14:22, Eduardo Habkost wrote: > > Software Error Recovery, i.e. SER, is purely an Intel feature and it > > shouldn't be set by default. Enable it only on Intel. > > What happens when SER is enabled on an AMD CPU? If it really > should't be enabled, why is KVM returning it on > KVM_

Re: [Qemu-devel] [PATCH] target-i386: Do not set MCG_SER_P by default

2015-11-23 Thread Eduardo Habkost
On Sat, Nov 21, 2015 at 02:09:25AM +0100, Borislav Petkov wrote: > On Sat, Nov 21, 2015 at 12:11:35AM +0100, Andreas Färber wrote: > > Hi, > > > > CC'ing qemu-devel. > > Ah, thanks. > > > Am 21.11.2015 um 00:01 schrieb Borislav Petkov: > > > From: Borislav Petkov > > > > > > Software Error Rec

Re: [Qemu-devel] [PATCH] target-i386: Do not set MCG_SER_P by default

2015-11-20 Thread Borislav Petkov
On Sat, Nov 21, 2015 at 12:11:35AM +0100, Andreas Färber wrote: > Hi, > > CC'ing qemu-devel. Ah, thanks. > Am 21.11.2015 um 00:01 schrieb Borislav Petkov: > > From: Borislav Petkov > > > > Software Error Recovery, i.e. SER, is purely an Intel feature and it > > shouldn't be set by default. Ena

Re: [Qemu-devel] [PATCH] target-i386: Do not set MCG_SER_P by default

2015-11-20 Thread Andreas Färber
Hi, CC'ing qemu-devel. Am 21.11.2015 um 00:01 schrieb Borislav Petkov: > From: Borislav Petkov > > Software Error Recovery, i.e. SER, is purely an Intel feature and it > shouldn't be set by default. Enable it only on Intel. Is this new in 2.5? Otherwise we would probably need compatibility cod