On Thu, Dec 04, 2014 at 10:48:00AM +0100, Eric Auger wrote: > Since the advent of dynamic initialization of VGIC, this latter is > initialized very late, on the first vcpu run. This initialization > could be initiated much earlier by the user-space, as soon as it has > set the requested dimensioning parameters: number of IRQs, number of > vCPUs, base addresses. > > One motivation behind being able to initialize the VGIC sooner is > related to the setup of IRQ injection in VFIO use case. The VFIO > signaling, especially when used along with irqfd must be set *after* > vgic initialization to prevent any virtual IRQ injection before > vgic initialization. If virtual IRQ injection occurs before the VGIC > init, the IRQ cannot be injected and subsequent injection is blocked > due to VFIO completion mechanism (unmask/mask or forward/unforward). > The series looks overall pretty good to me. -Christoffer _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
