On Mon, Oct 28, 2024 at 02:59:17PM +0800, Zhao Liu wrote: > (+John) > > Hi Babu, > > This patch is fine for me. > > However, users recently reported an issue with SUCCOR support on AMD > hosts: https://gitlab.com/qemu-project/qemu/-/issues/2571. > > Could you please double check and clarify that issue on AMD host? Thanks for the heads up. I can reproduce this on an AMD host with kvm.ignore_msrs=1. It seems like kvm will need to block this feature on the guest when ignore_msrs is set, but it's not clear to me how that should be done yet. Paolo, Do you have any ideas about how we should handle this situation? Thanks, John > > Thanks, > Zhao > > On Thu, Oct 24, 2024 at 05:18:20PM -0500, Babu Moger wrote: > > Date: Thu, 24 Oct 2024 17:18:20 -0500 > > From: Babu Moger <babu.moger@xxxxxxx> > > Subject: [PATCH v3 2/7] target/i386: Add RAS feature bits on EPYC CPU models > > X-Mailer: git-send-email 2.34.1 > > > > Add the support for following RAS features bits on AMD guests. > > > > SUCCOR: Software uncorrectable error containment and recovery capability. > > The processor supports software containment of uncorrectable errors > > through context synchronizing data poisoning and deferred error > > interrupts. > > > > McaOverflowRecov: MCA overflow recovery support. > > > > Reviewed-by: Zhao Liu <zhao1.liu@xxxxxxxxx> > > Signed-off-by: Babu Moger <babu.moger@xxxxxxx> > > --- > > v3: No changes > > > > v2: Added reviewed by from Zhao. > > --- > > target/i386/cpu.c | 30 ++++++++++++++++++++++++++++++ > > 1 file changed, 30 insertions(+) >