On Friday 24 February 2006 04:24, Alan Stern wrote:
> In do_IRQ() there's a call to exit_idle(), which calls __exit_idle(),
> which runs the idle_notifier call chain. Surely you're not saying that we
> can do a down_read() in this pathway?
No, but not because it's in an interrupt but because sleeping in the idle
task is illegal.
> And actually the chain's type doesn't seem to make much difference, since
> at the moment there's nothing in the vanilla kernel that registers for the
> idle_notifier chain.
Will come eventually.
-Andi
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