On Wed, Aug 02, 2017 at 05:53:12PM +0200, Andrew Jones wrote: > On Wed, Jul 26, 2017 at 01:42:49PM +0200, Christoffer Dall wrote: > > The current timer test relies on testing the pending state of the timer > > before the interrupt handler has run which could lower the pending > > signal again (because it masks the timer output signal). > > > > What we really want is to make sure the output signal from the timer as > > perceived by the virtual interrupt controller is low when the timer is > > programmed some time far in the future. The proper way to do that is to > > disable the timer interrupt on the distributor and then reading its > > pending state. > > > > Signed-off-by: Christoffer Dall <cdall@xxxxxxxxxx> > > --- > > arm/timer.c | 41 ++++++++++++++++++++++++++++++++++------- > > 1 file changed, 34 insertions(+), 7 deletions(-) > > > > Hi Christoffer, > > With this patch the ptimer "not pending before" test always > fails on KVM for me (tested on mustang and thunderx). Have > you seen that? > Doy, yeah, that was a silly one. Patch incoming. Thanks, -Christoffer _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
