On 3 February 2017 at 14:56, Christoffer Dall <[email protected]> wrote: > From: Christoffer Dall <[email protected]> > > We have 2 modes for dealing with interrupts in the ARM world. We can > either handle them all using hardware acceleration through the vgic or > we can emulate a gic in user space and only drive CPU IRQ pins from > there. > > Unfortunately, when driving IRQs from user space, we never tell user > space about events from devices emulated inside the kernel, which may > result in interrupt line state changes, so we lose out on for example > timer and PMU events if we run with user space gic emulation. > > Define an ABI to publish such device output levels to userspace. > > Signed-off-by: Alexander Graf <[email protected]> > Signed-off-by: Christoffer Dall <[email protected]>
Acked-by: Peter Maydell <[email protected]> for the userspace ABI/docs part. thanks -- PMM _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
