2017-11-15 13:43+0200, Liran Alon: > This MSR returns the number of #SMIs that occurred on CPU since > boot. > > It was seen to be used frequently by ESXi guest. > > Patch adds a new vcpu-arch specific var called smi_count to > save the number of #SMIs which occurred on CPU since boot. > It is exposed as a read-only MSR to guest (causing #GP > on wrmsr) in RDMSR/WRMSR emulation code. > MSR_SMI_COUNT is also added to emulated_msrs[] to make sure > user-space can save/restore it for migration purposes. > > Signed-off-by: Liran Alon <liran.alon@xxxxxxxxxx> > Suggested-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> > Reviewed-by: Nikita Leshenko <nikita.leshchenko@xxxxxxxxxx> > Reviewed-by: Bhavesh Davda <bhavesh.davda@xxxxxxxxxx> > Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> > --- Queued, thanks.
