Re: [PATCH 2/2] KVM: PPC: Replay pending interrupts before entering the guest
From: Shrikanth Hegde
Date: Thu Oct 01 2026 - 08:32:31 EST
Hi Narayana,
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 9194cf492d1c..847ff07c364b 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -147,6 +147,19 @@ int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu)
continue;
}
+#ifdef CONFIG_PPC64
+ /*
+ * Interrupt arrived between the soft and hard
+ * disable. Replay it and retry guest entry.
+ */
+ if (unlikely(local_paca->irq_happened != PACA_IRQ_HARD_DIS)) {
+ local_irq_enable();
+ local_irq_disable();
+ hard_irq_disable();
+ continue;
+ }
+#endif
+
guest_enter_irqoff();
return 1;
}
It look good to me.
Thanks.
Thanks,
Narayana
Do you want me to consider the above as rwb tag? If yes, I prefer to see explicit tag.