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authorSean Christopherson <seanjc@google.com>2024-11-01 12:14:44 -0700
committerSean Christopherson <seanjc@google.com>2024-12-19 07:34:11 -0800
commit4f09ebd0c8be7c9aa0279be5ddde896695a72309 (patch)
tree5d768450818f8c827d285116fbcd2df7eca54e64
parentKVM: nVMX: Explicitly update vPPR on successful nested VM-Enter (diff)
downloadwireguard-linux-4f09ebd0c8be7c9aa0279be5ddde896695a72309.tar.xz
wireguard-linux-4f09ebd0c8be7c9aa0279be5ddde896695a72309.zip
KVM: nVMX: Check for pending INIT/SIPI after entering non-root mode
Explicitly check for a pending INIT or SIPI after entering non-root mode during nested VM-Enter emulation, as no VMCS information is quered as part of the check, i.e. there is no need to check for INIT/SIPI while vmcs01 is still loaded. Link: https://lore.kernel.org/r/20241101191447.1807602-3-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
-rw-r--r--arch/x86/kvm/vmx/nested.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index a8f8ac0f26d2..0b8aaeed16f2 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -3531,8 +3531,6 @@ enum nvmx_vmentry_status nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
(CPU_BASED_INTR_WINDOW_EXITING | CPU_BASED_NMI_WINDOW_EXITING);
if (likely(!evaluate_pending_interrupts) && kvm_vcpu_apicv_active(vcpu))
evaluate_pending_interrupts |= vmx_has_apicv_interrupt(vcpu);
- if (!evaluate_pending_interrupts)
- evaluate_pending_interrupts |= kvm_apic_has_pending_init_or_sipi(vcpu);
if (!vmx->nested.nested_run_pending ||
!(vmcs12->vm_entry_controls & VM_ENTRY_LOAD_DEBUG_CONTROLS))
@@ -3619,6 +3617,7 @@ enum nvmx_vmentry_status nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
* unconditionally.
*/
if (unlikely(evaluate_pending_interrupts) ||
+ kvm_apic_has_pending_init_or_sipi(vcpu) ||
kvm_apic_has_interrupt(vcpu))
kvm_make_request(KVM_REQ_EVENT, vcpu);