On Wed, 24 Jul 2002, Ingo Molnar wrote:
> > local_bh_disable() is rare (i think), and do_softirq() checks
> > in_interrupt().
>
> but still we dont want to call do_softirq() all the time. local_bh_enable
> is used in quite performance-sensitive networking code.
in fact the in_interrupt() check in do_softirq() should never trigger with
the latest patch applied - i'll put a debugging printk there and we can
remove it after some time. This will speed things up a bit.
Ingo
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This archive was generated by hypermail 2b29 : Tue Jul 23 2002 - 22:00:45 EST