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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andrew Morton <akpm@osdl.org>,
	Mauricio Lin <mauriciolin@gmail.com>,
	William Irwin <wli@holomorphy.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] A new entry for /proc
Date: Sat, 08 Jan 2005 21:47:00 +0000	[thread overview]
Message-ID: <1105215103.10519.52.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.44.0501081917020.4949-100000@localhost.localdomain>

On Sad, 2005-01-08 at 20:20, Hugh Dickins wrote:
> Seems to have no locking: needs to down_read mmap_sem to guard vmas.
> Does it need page_table_lock?  I think not (and proc_pid_statm didn't).

The mmap_sem is insufficient during an exec - something that the
sys_uselib changes noted. It would work in -ac but thats a property of
how I fixed it rather than how Linus fixed it for the base kernel.


  reply	other threads:[~2005-01-08 22:56 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-06 21:11 [PATCH] A new entry for /proc Mauricio Lin
2005-01-07  4:23 ` Andrew Morton
2005-01-07 12:30   ` Roger Luethi
2005-01-08 20:20   ` Hugh Dickins
2005-01-08 21:47     ` Alan Cox [this message]
2005-01-10  9:21     ` Edjard Souza Mota
2005-01-10 15:23     ` Mauricio Lin
2005-02-22 13:13     ` Mauricio Lin
2005-02-24  8:31       ` Mauricio Lin
2005-02-24  9:09         ` Andrew Morton
2005-02-24 11:43           ` Mauricio Lin
2005-02-24 11:52             ` Andrew Morton
2005-02-25 15:14               ` Mauricio Lin
2005-02-28  9:43                 ` Mauricio Lin
2005-02-28  9:56                   ` Mauricio Lin
2005-02-28 20:41                     ` Hugh Dickins
2005-03-01  8:08                       ` Mauricio Lin
2005-03-01 14:17                         ` Mauricio Lin
2005-03-01 15:44                           ` Mauricio Lin
2005-03-02 12:20                             ` Mauricio Lin
2005-03-02 19:07                               ` Hugh Dickins
2005-03-03  7:25                                 ` Mauricio Lin
2005-03-03 12:48                                   ` Hugh Dickins
2005-03-03 14:23                                     ` Mauricio Lin
2005-01-10 14:35   ` Mauricio Lin
2005-01-14 22:46   ` Mauricio Lin
     [not found]     ` <20050114154209.6b712e55.akpm@osdl.org>
2005-01-17 18:03       ` Mauricio Lin
2005-01-17 19:02         ` Mauricio Lin
2005-01-17 17:30           ` Marcelo Tosatti
2005-01-17 21:27             ` Mauricio Lin
2005-01-17 21:35             ` William Lee Irwin III
2005-01-18  1:07               ` Nick Piggin
2005-01-19 12:59                 ` Nick Piggin
2005-01-24 22:14             ` Mauricio Lin
2005-04-29 18:36   ` Mauricio Lin
2005-04-30  1:25     ` Andrew Morton
2005-02-24 18:56 Albert Cahalan
2005-03-01 14:32 ` Mauricio Lin

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