Hi Alex, On Fri, Feb 03, 2017 at 05:51:18PM +0000, Peter Maydell wrote: > On 3 February 2017 at 14:56, Christoffer Dall <cdall@xxxxxxxxxx> wrote: > > From: Christoffer Dall <christoffer.dall@xxxxxxxxxx> > > > > 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 <agraf@xxxxxxx> > > Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> > > > Acked-by: Peter Maydell <peter.maydell@xxxxxxxxxx> > > for the userspace ABI/docs part. > Given Peter's ack on this ABI, any chance you could take a look at fixing the userspace SMP issue and respinning the userspace patches for this series? Thanks, -Christoffer
