KVM: arm64: vgic-v5: Make the effective priority mask a strict limit

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The way the effective priority mask is compared to the priority of
an interrupt to decide whether to wake-up or not, is slightly odd,
and breaks at the limits.

This could result in spurious wake-ups that are undesirable.

Make the computed priority mask comparison a strict inequality, so
that interrupts that have the same priority as the mask are not
signalled.

Fixes: 933e5288fa ("KVM: arm64: gic-v5: Check for pending PPIs")
Link: https://sashiko.dev/#/patchset/20260319154937.3619520-1-sascha.bischoff%40arm.com
Link: https://patch.msgid.link/20260401103611.357092-10-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Marc Zyngier 2026-04-01 11:36:04 +01:00

parent 42d7eac829

commit a4a6455847

1 changed files with 1 additions and 1 deletions

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arch/arm64/kvm/vgic/vgic-v5.c

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