| Message ID | 20221201232655.290720-16-seanjc@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | x86/reboot: KVM: Clean up "emergency" virt code | expand |
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 2aec27b34487..08ed4679903a 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -592,6 +592,8 @@ static inline void kvm_cpu_svm_disable(void) static void svm_emergency_disable(void) { + kvm_rebooting = true; + kvm_cpu_svm_disable(); } diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 8be99651dcc9..7f8147a7d126 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -770,6 +770,8 @@ static void vmx_emergency_disable(void) int cpu = raw_smp_processor_id(); struct loaded_vmcs *v; + kvm_rebooting = true; + list_for_each_entry(v, &per_cpu(loaded_vmcss_on_cpu, cpu), loaded_vmcss_on_cpu_link) vmcs_clear(v->vmcs);
Set kvm_rebooting when virtualization is disabled in an emergency so that KVM eats faults on virtualization instructions even if kvm_reboot() isn't reached. Signed-off-by: Sean Christopherson <seanjc@google.com> --- arch/x86/kvm/svm/svm.c | 2 ++ arch/x86/kvm/vmx/vmx.c | 2 ++ 2 files changed, 4 insertions(+)