15 Nov
2023
15 Nov
'23
3:04 a.m.
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index f8c02bd37069..328a3447f064 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -276,6 +276,8 @@ struct vcpu_vmx { #ifdef CONFIG_X86_64 u64 msr_host_kernel_gs_base; u64 msr_guest_kernel_gs_base;
- u64 msr_host_fred_rsp0;
- u64 msr_guest_fred_rsp0;
resetting guest fred rsp0 to 0 during vcpu reset is missing.
hmm, I assume it gets the same treatment as guest_kernel_gs_base.
It seems we don't reset guest_kernel_gs_base. No?
Yes. But for fred MSRs, FRED spec clearly says their RESET values are 0s. for kernel_gs_base MSR, looks there is no such description in SDM.
Right, maybe better to set both to 0s.