From: Ingo Molnar <mingo@elte.hu>
To: Alessio Igor Bogani <abogani@texware.it>,
Alexander Viro <viro@ftp.linux.org.uk>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
LKML <linux-kernel@vger.kernel.org>,
Jonathan Corbet <corbet@lwn.net>
Subject: Re: [PATCH -tip] remove the BKL: Replace BKL in mount/umount syscalls with a mutex
Date: Thu, 16 Apr 2009 18:58:33 +0200 [thread overview]
Message-ID: <20090416165833.GA21704@elte.hu> (raw)
In-Reply-To: <20090416160645.GB17804@elte.hu>
* Ingo Molnar <mingo@elte.hu> wrote:
> * Alessio Igor Bogani <abogani@texware.it> wrote:
>
> > Replace ths BKL in sys_mount()/sys_umount() syscalls with a regular mutex.
> >
> > Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
> > ---
> > fs/namespace.c | 16 +++++++++-------
> > fs/super.c | 9 ++++-----
> > 2 files changed, 13 insertions(+), 12 deletions(-)
>
> Ok, this patch needs to be flamed^W commented on by Al.
>
> Al: this patch is very likely broken as i cannot imagine you
> leaving the BKL there just so. So lets accept that (and your NAK)
> as a given and not get upset about it too much.
>
> We are willing to fix any side effects and preconditions before
> this can be done [...]
this == remove the BKL. Not introduce a needless mutex like this
patch does.
Ingo
next prev parent reply other threads:[~2009-04-16 16:58 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-16 14:27 [PATCH -tip] remove the BKL: Replace BKL in mount/umount syscalls with a mutex Alessio Igor Bogani
2009-04-16 14:36 ` Christoph Hellwig
2009-04-16 16:49 ` Ingo Molnar
2009-04-16 17:01 ` Christoph Hellwig
2009-04-16 17:13 ` Ingo Molnar
2009-04-17 0:05 ` Al Viro
2009-04-16 16:06 ` Ingo Molnar
2009-04-16 16:58 ` Ingo Molnar [this message]
2009-04-16 23:56 ` Al Viro
2009-04-17 0:01 ` Ingo Molnar
2009-04-17 0:13 ` Al Viro
2009-04-17 0:27 ` Ingo Molnar
2009-04-17 0:38 ` Al Viro
2009-04-17 16:56 ` Ingo Molnar
2009-04-17 17:04 ` Peter Zijlstra
2009-04-17 17:21 ` Linus Torvalds
2009-04-17 17:31 ` Jonathan Corbet
2009-04-17 18:03 ` Linus Torvalds
2009-04-17 18:44 ` Matthew Wilcox
2009-04-22 17:28 ` J. Bruce Fields
2009-04-17 18:08 ` Al Viro
2009-04-17 18:34 ` Ingo Molnar
2009-04-17 17:41 ` Al Viro
2009-04-17 17:34 ` Al Viro
2009-04-16 23:49 ` Al Viro
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