Re: [patch 13/13] signalfd/timerfd/asyncfd v5 - KAIO asyncfd support (example/maybe-broken) ...

From: Benjamin LaHaise
Date: Wed Mar 14 2007 - 19:19:54 EST


On Wed, Mar 14, 2007 at 03:19:21PM -0700, Davide Libenzi wrote:
> + /*
> + * Check if the user asked us to deliver the result through an
> + * asyncfd. Note that asyncfd_add_results() may sleep. It seems
> + * OK looking at the code, but I'm not sure since inside a USB driver,
> + * aio_complete() is called with a spinlock held. !!CHECK
> + */

That won't work. aio_complete() is supposed to be irq safe.

-ben
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