Messages in this thread | | | Date | Wed, 24 Jul 2002 01:54:49 +0200 (CEST) | From | Ingo Molnar <> | Subject | Re: [patch] big IRQ lock removal, 2.5.27-G0 |
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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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