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Date: Tue, 17 Feb 2015 15:01:37 +0100 From: Mike Galbraith <umgwanakikbuti@...il.com> To: Sebastian Andrzej Siewior <bigeasy@...utronix.de> Cc: Steven Rostedt <rostedt@...dmis.org>, LKML <linux-kernel@...r.kernel.org>, linux-rt-users <linux-rt-users@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, Carsten Emde <C.Emde@...dl.org>, John Kacur <jkacur@...hat.com>, Clark Williams <williams@...hat.com> Subject: Re: 3.14.23-rt20 - aio: fix rcu garbage collection might_sleep() splat 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. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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