On Tue, 24 Apr 2007 22:59:18 +0200 Ingo Molnar <mingo@xxxxxxx> wrote: > > * Daniel Walker <dwalker@xxxxxxxxxx> wrote: > > > On Tue, 2007-04-24 at 13:24 -0700, Jeremy Fitzhardinge wrote: > > > > > And sched_clock's use of local_irq_save/restore appears to be absolutely > > > correct, so I think it must be triggering a bug in either the self-tests > > > or lockdep itself. > > > > Why does sched_clock need to disable interrupts? > > i concur. To me it appears not "absolutely correct" that someone > apparently added local_irq_save/restore to sched_clock(), but "absolute > madness". sched_clock() is _very_ performance-sensitive for the > scheduler, do not mess with it. Why does a local_irq_save/restore make the selftests fail?? _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization