linux-kernel - Re: [PATCH] lock_page() doesn't lock if __wait_on_bit

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Message-ID: <20151213095001.GI6357@twins.programming.kicks-ass.net>
Date:	Sun, 13 Dec 2015 10:50:01 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Chris Mason <clm@...com>, Dave Jones <dsj@...com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jon Christopherson <jon@...s.org>, NeilBrown <neilb@...e.de>,
	Ingo Molnar <mingo@...nel.org>,
	David Howells <dhowells@...hat.com>,
	Steven Whitehouse <swhiteho@...hat.com>
Subject: Re: [PATCH] lock_page() doesn't lock if __wait_on_bit_lock returns
 -EINTR

On Sat, Dec 12, 2015 at 11:41:26AM -0800, Linus Torvalds wrote:
> It looks like PeterZ's pending patch should fix this, by passing in
> the proper TASK_UNINTERRUPTIBLE to the bit_wait_io function, and going
> back to signal_pending_state(). PeterZ, did I follow the history of
> this correctly?

Yes. I made a right mess of things with my 'fix'.
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