AcoSail/kernel_optimize_test
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KVM: ARM: VGIC: Optimize the vGIC vgic_update_irq_pending function.

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When vgic_update_irq_pending with level-sensitive false, it is need to
deactivates an interrupt, and, it can go to out directly.
Here return a false value, because it will be not need to kick.

Signed-off-by: wanghaibin <wanghaibin.wang@huawei.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
wanghaibin 2014-11-17 09:27:37 +00:00 committed by Marc Zyngier
parent f62c95fd40
commit 7d39f9e32c
1 changed files with 3 additions and 0 deletions
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virt/kvm/arm/vgic.c
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@ -1646,6 +1646,9 @@ static bool vgic_update_irq_pending(struct kvm *kvm, int cpuid,
} else {
vgic_dist_irq_clear_pending(vcpu, irq_num);
}
ret = false;
goto out;
}
enabled = vgic_irq_is_enabled(vcpu, irq_num);