On Thu, 2010-04-15 at 19:15 +0200, Frederic Weisbecker wrote: > > that looks rather ugly. Why not do a raw: > > > > this_cpu_inc(lockdep_stats.redundant_hardirqs_on); > > > > which basically open-codes debug_atomic_inc(), but without the warning? > > > Because that would open a race against interrupts that might > touch lockdep_stats.redundant_hardirqs_on too.
How so, its a pure per-cpu variable right? so either the increment happens before the interrupts hits, or after, in either case there should not be a race with interrupts. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
