On 12/14/2011 08:21 PM, Marcelo Tosatti wrote: > On Wed, Dec 14, 2011 at 04:39:56PM +0200, Avi Kivity wrote: > > On 12/14/2011 02:16 PM, Marcelo Tosatti wrote: > > > > Having this controlled from userspace means it doesn't work for SIGSTOP > > > > or for long scheduling delays. What about doing this automatically > > > > based on preempt notifiers? > > > > > > Long scheduling delays should be considered hangups from the guest > > > perspective. > > > > Why? To the guest it looks like slow hardware, but it will interpret it > > as a softlockup. > > Slow enough that progress of the watchdog thread is unable to keep up > with timer interrupt processing. This is considered a hang and > should be reported. It's not a guest hang though! -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html