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KVM: arm64: Treat vCPU with pending SError as runnable

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Per R_VRLPB, a pending SError is a WFI wakeup event regardless of
PSTATE.A, meaning that the vCPU is runnable. Sample VSE in addition to
the other IRQ lines.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250708172532.1699409-5-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Oliver Upton 2025-07-08 10:25:09 -07:00
parent 1d6fea7663
commit aae35f4ffb
1 changed files with 2 additions and 1 deletions
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3
arch/arm64/kvm/arm.c
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@ -740,7 +740,8 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
*/
int kvm_arch_vcpu_runnable(struct kvm_vcpu *v)
{
bool irq_lines = *vcpu_hcr(v) & (HCR_VI | HCR_VF);
bool irq_lines = *vcpu_hcr(v) & (HCR_VI | HCR_VF | HCR_VSE);
return ((irq_lines || kvm_vgic_vcpu_pending_irq(v))
&& !kvm_arm_vcpu_stopped(v) && !v->arch.pause);
}