Re: timer_bh behaviour incorrect for 2.2.13?
William Montgomery (william@opinicus.com)
Thu, 9 Dec 1999 10:34:54 -0500 (EST)
On Thu, 9 Dec 1999, Ingo Molnar wrote:
>
> there is one race here that is subtle: if a bottom-half is marked _while_
> do_bottom_half is executing, then do_bottom_half might not notice this,
> and we miss the event.
>
I will try your patch but it seems unlikely since run_bottom_halves
is protected by __sti(); / __cli();. Since interrupts are disabled
I dont see how a timer IRQ could occur while run_bottom_halves is
executing.
Sounds like Andrea also has some idea about what might be happening.
Wm
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