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Open Source and information security mailing list archives
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Date: Fri, 12 Dec 2014 23:26:26 +0000 From: Russell King - ARM Linux <linux@....linux.org.uk> To: Mike Turquette <mturquette@...aro.org> Cc: Stephen Boyd <sboyd@...eaurora.org>, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH] clk: Really fix deadlock with mmap_sem On Fri, Dec 12, 2014 at 03:24:16PM -0800, Mike Turquette wrote: > Quoting Russell King - ARM Linux (2014-12-12 15:05:43) > > On Fri, Dec 12, 2014 at 03:04:16PM -0800, Stephen Boyd wrote: > > > Commit 6314b6796e3c (clk: Don't hold prepare_lock across debugfs > > > creation, 2014-09-04) forgot to update one place where we hold > > > the prepare_lock while creating debugfs directories. This means > > > we still have the chance of a deadlock that the commit was trying > > > to fix. Actually fix it by moving the debugfs creation outside > > > the prepare_lock. > > > > > > Reported-by: Russell King - ARM Linux <linux@....linux.org.uk> > > > > Please use "Russell King <rmk+kernel@....linux.org.uk>" rather than this > > address, thanks. > > Applied to clk-next and fixed up the email address locally. Please make sure it gets into stable kernels too as v3.18 suffers from this bug, thanks. -- FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up according to speedtest.net. -- 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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