This series applies on top of "ARM: Forwarding physical interrupts to a guest VM" (http://lwn.net/Articles/603514/) series. It brings some extra functionalities that were requested to be able to inject virtual level sensitive IRQs triggered from VFIO/irqfd. It adds: - a specific handling of forwarded IRQ into the VGIC state machine. - deactivation of physical IRQ and unforwarding on vgic destruction - handling of forwarded IRQ injection before the vgic readiness: this was needed because in a sample qemu/vfio use case, qemu registers forwarded IRQ and set up VFIO signaling before the first vcpu run and hence before vgic readiness. At that time some physical IRQ may hit before the VGIC readiness. This is typically observed with Calxeda xgmac on second QEMU run. - rbtree lock addition. Integrated pieces can be found at ssh://git.linaro.org/people/eric.auger/linux.git on branch irqfd_integ_v8 The first 2 patch files were previously part of [RFC v2 0/9] KVM-VFIO IRQ forward control (https://lkml.org/lkml/2014/9/1/347). Eric Auger (4): KVM: arm: vgic: fix state machine for forwarded IRQ KVM: arm: vgic: add forwarded irq rbtree lock KVM: arm: vgic: cleanup forwarded IRQs on destroy KVM: arm: vgic: handle irqfd forwarded IRQ injection before vgic readiness include/kvm/arm_vgic.h | 1 + virt/kvm/arm/vgic.c | 128 +++++++++++++++++++++++++++++++++++++++++-------- 2 files changed, 110 insertions(+), 19 deletions(-) -- 1.9.1 _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
