Re: [patch] doc: add a chapter about trylock functions [Bug 9011]

[Rusty Russell]

On Wednesday 14 May 2008 01:31:47 Matti Linnanvuori wrote:
> +    <function>mutex_trylock()</function> does not suspend your task
> +    but returns non-zero if it could lock the mutex on the first try
> +    or 0 if not. This function cannot be safely used in hardware or
> +    software interrupt contexts despite not sleeping.

I know this is what the documentation says, but I can't see why.  Ingo?

Thanks,
Rusty.
PS. Patch fixed up and applied.
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