[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH][RESEND]RE: [Xen-devel] [PATCH] Fix softlockup issue after vcpu hotplug
On 2/2/07 01:10, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote: > So, am I looking at wrong code? In 2.6.16: > while (!kthread_should_stop()) { > msleep_interruptible(1000); > touch_softlockup_watchdog(); > } > > While in 2.6.18: > while (!kthread_should_stop()) { > set_current_state(TASK_INTERRUPTIBLE); > touch_softlockup_watchdog(); > schedule(); > } > > I don't think same logic kept there. :-) Fair point! I must have compared two 2.6.16 trees... Well, that is interesting. I have no idea how SCHED_FIFO/sched_priority=99 interacts with timer wheels and/or tickless idle modes. I wonder why this was changed at all? Perhaps a question for lkml... -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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