diff mbox series

[v3,2/4] kvm: svm: Always set svm->last_cpu on VMRUN

Message ID 20200601222416.71303-3-jmattson@google.com (mailing list archive)
State New, archived
Headers show
Series Add logical CPU to KVM_EXIT_FAIL_ENTRY info | expand

Commit Message

Jim Mattson June 1, 2020, 10:24 p.m. UTC 
Previously, this field was only set when using SEV. Set it for all
vCPU configurations, so that it can be communicated to userspace for
diagnosing potential hardware errors.

Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Oliver Upton <oupton@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
---
 arch/x86/kvm/svm/sev.c | 1 -
 arch/x86/kvm/svm/svm.c | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 89f7f3aebd31..aa61d5d1e7f3 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -1184,7 +1184,6 @@  void pre_sev_run(struct vcpu_svm *svm, int cpu)
 	    svm->last_cpu == cpu)
 		return;
 
-	svm->last_cpu = cpu;
 	sd->sev_vmcbs[asid] = svm->vmcb;
 	svm->vmcb->control.tlb_ctl = TLB_CONTROL_FLUSH_ASID;
 	mark_dirty(svm->vmcb, VMCB_ASID);
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index f0dd481be435..442dbb763639 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -3394,6 +3394,7 @@  static fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu)
 	 */
 	x86_spec_ctrl_set_guest(svm->spec_ctrl, svm->virt_spec_ctrl);
 
+	svm->last_cpu = vcpu->cpu;
 	__svm_vcpu_run(svm->vmcb_pa, (unsigned long *)&svm->vcpu.arch.regs);
 
 #ifdef CONFIG_X86_64