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From: Peter Zijlstra <peterz@infradead.org>
To: Will Deacon <will.deacon@arm.com>
Cc: linux-kernel@vger.kernel.org, john.johansen@canonical.com,
	paulmck@linux.vnet.ibm.com
Subject: Re: [PATCH 1/2] security/apparmor: Replace homebrew use of write_can_lock with lockdep
Date: Tue, 3 Oct 2017 17:07:09 +0200	[thread overview]
Message-ID: <20171003150709.53fz7daydyomfuly@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <1507041166-10618-1-git-send-email-will.deacon@arm.com>

On Tue, Oct 03, 2017 at 03:32:45PM +0100, Will Deacon wrote:
> The lockdep subsystem provides a robust way to assert that a lock is
> held, so use that instead of write_can_lock, which can give incorrect
> results for qrwlocks.
> 
> Cc: John Johansen <john.johansen@canonical.com>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Signed-off-by: Will Deacon <will.deacon@arm.com>

Thanks Will, good to be able to finally remove that API.

  parent reply	other threads:[~2017-10-03 15:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-03 14:32 Will Deacon
2017-10-03 14:32 ` [PATCH 2/2] locking: Remove {read,write}_can_lock Will Deacon
2017-10-03 15:07 ` Peter Zijlstra [this message]
2017-10-03 16:58   ` [PATCH 1/2] security/apparmor: Replace homebrew use of write_can_lock with lockdep Will Deacon
2017-10-03 15:33 ` John Johansen

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