Messages in this thread | | | Date | Wed, 01 Oct 2003 17:14:04 -0700 | From | George Anzinger <> | Subject | Re: TIMER_BH in 2.4 kernel |
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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.
- -- George Anzinger george@mvista.com 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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