From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric.auger@linaro.org (Eric Auger) Date: Mon, 10 Aug 2015 15:21:02 +0200 Subject: [PATCH v3 08/10] KVM: arm/arm64: vgic: support irqfd injection of a forwarded IRQ In-Reply-To: <1439212864-12954-1-git-send-email-eric.auger@linaro.org> References: <1439212864-12954-1-git-send-email-eric.auger@linaro.org> Message-ID: <1439212864-12954-9-git-send-email-eric.auger@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Currently irqfd injection relies on kvm_vgic_inject_irq function. However this function cannot be used anymore for mapped IRQs. So let's change the implementation to use kvm_vgic_inject_mapped_irq when the IRQ is forwarded. Signed-off-by: Eric Auger --- virt/kvm/arm/vgic.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index fbd5ba5..03a85b3 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -2529,13 +2529,19 @@ int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin) int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level, bool line_status) { + struct irq_phys_map *map; unsigned int spi = irq + VGIC_NR_PRIVATE_IRQS; trace_kvm_set_irq(irq, level, irq_source_id); BUG_ON(!vgic_initialized(kvm)); - return kvm_vgic_inject_irq(kvm, 0, spi, level); + map = vgic_irq_map_search(kvm_get_vcpu(kvm, 0), spi); + + if (!map) + return kvm_vgic_inject_irq(kvm, 0, spi, level); + else + return kvm_vgic_inject_mapped_irq(kvm, 0, map, level); } /* MSI not implemented yet */ -- 1.9.1