diff mbox series

[v4,05/12] KVM: x86: lapic does not have to process INIT if it is blocked

Message ID 20220921003201.1441511-6-seanjc@google.com (mailing list archive)
State New, archived
Headers show
Series KVM: x86: never write to memory from kvm_vcpu_check_block | expand

Commit Message

Sean Christopherson Sept. 21, 2022, 12:31 a.m. UTC 
From: Paolo Bonzini <pbonzini@redhat.com>

Do not return true from kvm_vcpu_has_events() if the vCPU isn' going to
immediately process a pending INIT/SIPI.  INIT/SIPI shouldn't be treated
as wake events if they are blocked.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[sean: rebase onto refactored INIT/SIPI helpers, massage changelog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/x86/kvm/x86.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 16a24dd28f26..dcc675d4e44b 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -12765,7 +12765,8 @@  static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu)
 	if (!list_empty_careful(&vcpu->async_pf.done))
 		return true;
 
-	if (kvm_apic_has_pending_init_or_sipi(vcpu))
+	if (kvm_apic_has_pending_init_or_sipi(vcpu) &&
+	    kvm_apic_init_sipi_allowed(vcpu))
 		return true;
 
 	if (vcpu->arch.pv.pv_unhalted)