Re: 3.14.23-rt20 - aio: fix rcu garbage collection might_sleep() splat

From: Mike Galbraith
Date: Tue Feb 17 2015 - 09:01:47 EST

On Tue, 2015-02-17 at 13:53 +0100, Sebastian Andrzej Siewior wrote:
> * Mike Galbraith | 2014-11-02 08:31:28 [+0100]:
> >(not pretty)
> You do the RCU thingy and replace locking. Is this required after the
> patch I've sent in "Re: [RFC PATCH V2] rt/aio: fix rcu garbage
> collection might_sleep() splat"? From a quick browse I've seen that
> ffs_epfile_aio_write() invokes kiocb_set_cancel_fn(, ffs_aio_cancel) and
> the function does hold a sleeping lock.

Yeah, I don't think that's changed, it should still gripe.


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