Re: [PATCH v1 2/4] KVM/vmx: auto switch MSR_IA32_DEBUGCTLMSR

On 25/09/2017 06:44, Wei Wang wrote: > Passthrough the MSR_IA32_DEBUGCTLMSR to the guest, and take advantage of > the hardware VT-x feature to auto switch the msr upon VMExit and VMEntry. I think most bits in the MSR should not be passed through (for example FREEZE_WHILE_SMM_EN, FREEZE_LBRS_ON_PMI

[PATCH v1 2/4] KVM/vmx: auto switch MSR_IA32_DEBUGCTLMSR

Passthrough the MSR_IA32_DEBUGCTLMSR to the guest, and take advantage of the hardware VT-x feature to auto switch the msr upon VMExit and VMEntry. Signed-off-by: Wei Wang --- arch/x86/kvm/vmx.c | 13 - 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/arch/x86/kvm/vmx.c b