Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
KVM: arm64: vgic-v5: Transfer edge pending state to ICH_PPI_PENDRx_EL2
While it is perfectly correct to leave the pending state of a level
interrupt as is when queuing it (it is, after all, only driven by
the line), edge pending state must be transfered, as nothing will
lower it.
Reviewed-by: Sascha Bischoff <sascha.bischoff@arm.com>
Fixes: 4d591252bacb2 ("KVM: arm64: gic-v5: Implement PPI interrupt injection")
Link: https://sashiko.dev/#/patchset/20260319154937.3619520-1-sascha.bischoff%40arm.com
Link: https://patch.msgid.link/20260401103611.357092-8-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
+4
-1
+4
-1
arch/arm64/kvm/vgic/vgic-v5.c
+4
-1
arch/arm64/kvm/vgic/vgic-v5.c
···
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irq = vgic_get_vcpu_irq(vcpu, intid);
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447
448
-
scoped_guard(raw_spinlock_irqsave, &irq->irq_lock)
448
+
scoped_guard(raw_spinlock_irqsave, &irq->irq_lock) {
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__assign_bit(i, pendr, irq_is_pending(irq));
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+
if (irq->config == VGIC_CONFIG_EDGE)
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+
irq->pending_latch = false;
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+
}
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vgic_put_irq(vcpu->kvm, irq);
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}