Re: [RFC PATCH 3/3] x86/cpu/amd, kvm: Satisfy guest kernel reads of IC_CFG MSR

On 14/11/2015 11:37, Borislav Petkov wrote: > From: Borislav Petkov > > The kernel accesses IC_CFG MSR (0xc0011021) on AMD because it checks > whether the way access filter is enabled on some F15h models, and, if > so, disables it. > > kvm doesn't handle that MSR access and

[RFC PATCH 3/3] x86/cpu/amd, kvm: Satisfy guest kernel reads of IC_CFG MSR

From: Borislav Petkov The kernel accesses IC_CFG MSR (0xc0011021) on AMD because it checks whether the way access filter is enabled on some F15h models, and, if so, disables it. kvm doesn't handle that MSR access and complains about it, which can get really noisy in dmesg when one