On Mon, May 23, 2005 at 11:28:06PM +0000, Andrew Morton wrote:
>
> This code can cause deadlocks on CONFIG_SMP && !CONFIG_PREEMPT kernels.
>
> Please see http://lkml.org/lkml/2005/3/10/358
>
> You (the programmer) *have* to know what context you're running in before
> doing a voluntary yield. There is simply no way to work this out at
> runtime.
You're right.
Perhaps we should code this into the crypto API instead? For instance,
we can have a tfm flag that says whether we can sleep or not.
Dave & James, What do you think?
Cheers,
--
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