Messages in this thread | | | Date | Sat, 11 Jun 2005 09:19:10 -0700 (PDT) | From | Daniel Walker <> | Subject | Re: [PATCH] local_irq_disable removal |
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On Sat, 11 Jun 2005, Ingo Molnar wrote:
> > one way to make it safe/reviewable is to runtime warn if > local_irq_disable() is called from a !preempt_count() section. But this > will uncover quite some code. There's some code in the VM, in the > buffer-cache, in the RCU code - etc. that uses per-CPU data structures > and assumes non-preemptability of local_irq_disable().
Are you talking about make those section preemptible? Or a safety problem in the current method.
Daniel
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