Re: TIMER_BH in 2.4 kernel

[George Anzinger]

Yifan Zhu wrote:
> Hi,
> I'm looking at the 2.4 kernel. My understanding of the code is that the
> TIMER_BH handler is executed when the hardware timer interrupt returns (
> after do_IRQ(), but before returning to the interrupted task ). Is that
> right?
>
> Thanks for clarification!

Unless there is a bh_lock in effect at the time, in which case it is 
executed when the lock is released.

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--
George Anzinger   george@xxxxxxxxxx
High-res-timers:  http://sourceforge.net/projects/high-res-timers/
Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml

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