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Date: Mon, 27 Nov 2017 14:13:36 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Will Deacon <will.deacon@arm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>,
        Sebastian Ott <sebott@linux.vnet.ibm.com>,
        Ingo Molnar <mingo@kernel.org>,
        Heiko Carstens <heiko.carstens@de.ibm.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [bisected] system hang after boot
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On Mon, Nov 27, 2017 at 01:10:31PM +0000, Will Deacon wrote:

> break_lock should be annotated (at least) with READ_ONCE/WRITE_ONCE, which
> should prevent that from happening.

This code long predates all that new fangled stuff ;-)