From: Tejun Heo <tj@kernel.org>
To: Colin Cross <ccross@android.com>
Cc: linux-kernel@vger.kernel.org,
Trond Myklebust <Trond.Myklebust@netapp.com>,
Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
"J. Bruce Fields" <bfields@fieldses.org>,
"David S. Miller" <davem@davemloft.net>,
Andrew Morton <akpm@linux-foundation.org>,
Mandeep Singh Baines <msb@chromium.org>,
Paul Walmsley <paul@pwsan.com>, Al Viro <viro@zeniv.linux.org.uk>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Oleg Nesterov <oleg@redhat.com>,
linux-nfs@vger.kernel.org, linux-pm@vger.kernel.org,
netdev@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Ben Chan <benchan@chromium.org>
Subject: Re: [PATCH 1/2] freezer: add unsafe versions of freezable helpers
Date: Mon, 6 May 2013 11:55:13 -0700 [thread overview]
Message-ID: <20130506185513.GA800@mtj.dyndns.org> (raw)
In-Reply-To: <1367615050-3894-1-git-send-email-ccross@android.com>
On Fri, May 03, 2013 at 02:04:09PM -0700, Colin Cross wrote:
> NFS calls the freezable helpers with locks held, which is unsafe
> and caused lockdep warnings when 6aa9707 "lockdep: check that no
> locks held at freeze time" was applied (reverted in dbf520a).
> Add new *_unsafe versions of the helpers that will not run the
> lockdep test when 6aa9707 is reapplied, and call them from NFS.
>
> Signed-off-by: Colin Cross <ccross@android.com>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
--
tejun
prev parent reply other threads:[~2013-05-06 19:03 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-03 21:04 [PATCH 1/2] freezer: add unsafe versions of freezable helpers Colin Cross
2013-05-03 21:04 ` [PATCH 2/2] lockdep: check that no locks held at freeze time Colin Cross
2013-05-04 13:04 ` Pavel Machek
2013-05-04 20:27 ` Colin Cross
2013-05-04 22:57 ` Pavel Machek
2013-05-04 23:49 ` Colin Cross
2013-05-05 0:05 ` Pavel Machek
2013-05-05 0:23 ` Colin Cross
2013-05-05 1:13 ` Pavel Machek
2013-05-05 9:18 ` Ingo Molnar
2013-05-06 8:55 ` Peter Zijlstra
2013-05-06 12:11 ` Pavel Machek
2013-05-06 14:33 ` Linus Torvalds
2013-05-06 14:42 ` Peter Zijlstra
2013-05-06 19:01 ` Tejun Heo
2013-05-06 19:30 ` Colin Cross
2013-05-06 19:33 ` Tejun Heo
2013-05-06 20:06 ` Rafael J. Wysocki
2013-05-04 13:00 ` [PATCH 1/2] freezer: add unsafe versions of freezable helpers Pavel Machek
2013-05-04 20:23 ` Colin Cross
2013-05-04 22:55 ` Pavel Machek
2013-05-05 9:23 ` Ingo Molnar
2013-05-05 22:12 ` Pavel Machek
2013-05-06 8:50 ` Peter Zijlstra
2013-05-06 10:58 ` Jeff Layton
2013-05-06 10:56 ` Jeff Layton
2013-05-06 19:57 ` Colin Cross
2013-05-06 21:43 ` Jeff Layton
2013-05-06 21:54 ` Colin Cross
2013-05-06 21:58 ` Linus Torvalds
2013-05-06 22:05 ` Jeff Layton
2013-05-06 22:11 ` Colin Cross
2013-05-06 22:14 ` Tejun Heo
2013-05-06 21:59 ` Jeff Layton
2013-05-06 18:55 ` Tejun Heo [this message]
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