From: David Howells <dhowells@redhat.com>
To: Nick Piggin <npiggin@suse.de>
Cc: dhowells@redhat.com, Hugh Dickins <hugh@veritas.com>,
Dave Hansen <dave@linux.vnet.ibm.com>,
Matt Mackall <mpm@selenic.com>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org,
Dave Hansen <haveblue@us.ibm.com>
Subject: Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex
Date: Wed, 24 Sep 2008 19:18:25 +0100 [thread overview]
Message-ID: <22749.1222280305@redhat.com> (raw)
In-Reply-To: <20080923053228.GA5825@wotan.suse.de>
Nick Piggin <npiggin@suse.de> wrote:
> RFC Quick patch to fix nommu anonymous shared memory without breaking
> locking...
That works:
# /doshm sysv
Command: sysv
shmid: 0
memory: 0xc3b00000
c3060000-c306a788 r-xs 00000000 00:0b 14582157 /lib/ld-uClibc-0.9.28.so
c3100000-c315ede4 r-xs 00000000 00:0b 14582179 /lib/libuClibc-0.9.28.so
c3938000-c393c000 rw-p 00000000 00:00 0
c3a68000-c3a6c000 rw-p 00008000 00:0b 14582157 /lib/ld-uClibc-0.9.28.so
c3a78000-c3a7c000 rw-p 00000000 00:0b 13763417 /doshm
c3a80000-c3aa0000 rwxp 00000000 00:00 0
c3aa0000-c3aac000 rw-p 00000000 00:00 0
c3ab8000-c3abc000 r-xs 00000000 00:0b 13763417 /doshm
c3b00000-c3bfa000 rw-S 00000000 00:07 0 /SYSV00000000 (deleted)
c3b00000-c3bfa000 rw-S 00000000 00:07 0 /SYSV00000000 (deleted)
nattch 2
Acked-by: David Howells <dhowells@redhat.com>
next prev parent reply other threads:[~2008-09-24 18:29 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-10 11:37 [patch] x86: some lock annotations for user copy paths Nick Piggin
2008-09-10 11:41 ` Peter Zijlstra
2008-09-10 11:47 ` Ingo Molnar
2008-09-10 11:50 ` Ingo Molnar
2008-09-10 12:12 ` Ingo Molnar
2008-09-10 12:32 ` Ingo Molnar
2008-09-10 15:12 ` Nick Piggin
2008-09-10 14:48 ` Nick Piggin
2008-09-10 15:01 ` Peter Zijlstra
2008-09-10 15:17 ` Nick Piggin
2008-09-10 15:26 ` Nick Piggin
2008-09-11 8:27 ` Ingo Molnar
2008-09-11 10:43 ` Nick Piggin
2008-09-12 9:24 ` [PATCH] sysfs: fix deadlock Ingo Molnar
2008-09-14 22:02 ` Nick Piggin
2008-09-15 9:15 ` Peter Zijlstra
2008-09-14 7:39 ` [lockdep] possible circular locking, between &mm->mmap_sem and &dev->ev_mutex Ingo Molnar
2008-09-14 7:44 ` Andrew Morton
2008-09-14 8:06 ` [patch] mm: fix locking, inotify_read's ev_mutex vs do_page_fault's mmap_sem Ingo Molnar
2008-09-14 22:12 ` [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex Nick Piggin
2008-09-17 20:14 ` Andrew Morton
2008-09-17 20:46 ` Matt Mackall
2008-09-18 11:12 ` Ingo Molnar
2008-09-18 19:29 ` Jeremy Fitzhardinge
2008-09-18 21:11 ` Matt Mackall
2008-09-20 2:18 ` Dave Hansen
2008-09-20 16:12 ` Hugh Dickins
2008-09-22 14:54 ` David Howells
2008-09-23 5:32 ` Nick Piggin
2008-09-24 18:18 ` David Howells [this message]
2008-09-24 18:29 ` Matt Mackall
2008-09-24 18:56 ` David Howells
2008-09-24 19:11 ` Matt Mackall
2008-09-24 19:26 ` David Howells
2008-09-24 19:41 ` Hugh Dickins
2008-09-24 19:59 ` David Howells
2008-09-24 23:43 ` Hugh Dickins
2008-09-24 19:29 ` Hugh Dickins
2008-09-24 19:47 ` Andrew Morton
2008-09-22 15:14 ` Dave Hansen
2008-09-19 8:40 ` Ingo Molnar
2008-09-14 21:36 ` [lockdep] possible circular locking, between &mm->mmap_sem and &dev->ev_mutex Nick Piggin
2008-09-10 14:30 ` [patch] x86: some lock annotations for user copy paths Nick Piggin
2008-09-10 14:31 ` Andi Kleen
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