diff options
| author | Wei-Lin Chang <r09922117@csie.ntu.edu.tw> | 2025-05-12 21:32:23 +0800 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2025-05-16 13:05:23 +0100 |
| commit | 92c749e4aa90cd684d87cb5bde6a9d51e83fe6e3 (patch) | |
| tree | 0102ae54261f519c23a2008a8e683a29ff3fe7ec | |
| parent | 00b0300cf1e265b8f3fa57106b940eff6f388d57 (diff) | |
KVM: arm64: nv: Remove clearing of ICH_LR<n>.EOI if ICH_LR<n>.HW == 1
In the case of ICH_LR<n>.HW == 1, bit 41 of LR is just a part of pINTID
without EOI meaning, and bit 41 will be zeroed by the subsequent clearing
of ICH_LR_PHYS_ID_MASK anyway.
No functional changes intended.
Signed-off-by: Wei-Lin Chang <r09922117@csie.ntu.edu.tw>
Link: https://lore.kernel.org/r/20250512133223.866999-1-r09922117@csie.ntu.edu.tw
Signed-off-by: Marc Zyngier <maz@kernel.org>
| -rw-r--r-- | arch/arm64/kvm/vgic/vgic-v3-nested.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/arm64/kvm/vgic/vgic-v3-nested.c b/arch/arm64/kvm/vgic/vgic-v3-nested.c index bfa5bde1f106..4f6954c30674 100644 --- a/arch/arm64/kvm/vgic/vgic-v3-nested.c +++ b/arch/arm64/kvm/vgic/vgic-v3-nested.c @@ -240,9 +240,6 @@ static void vgic_v3_create_shadow_lr(struct kvm_vcpu *vcpu, goto next; } - /* It is illegal to have the EOI bit set with HW */ - lr &= ~ICH_LR_EOI; - /* Translate the virtual mapping to the real one */ lr &= ~ICH_LR_PHYS_ID_MASK; lr |= FIELD_PREP(ICH_LR_PHYS_ID_MASK, (u64)irq->hwintid); |