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Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex

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From: David Howells
Subject: Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex
Date: Wednesday, September 24, 2008 - 11:18 am

Nick Piggin <npiggin@suse.de> wrote:


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>
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Messages in current thread:
[patch] x86: some lock annotations for user copy paths, Nick Piggin, (Wed Sep 10, 4:37 am)
Re: [patch] x86: some lock annotations for user copy paths, Peter Zijlstra, (Wed Sep 10, 4:41 am)
Re: [patch] x86: some lock annotations for user copy paths, Ingo Molnar, (Wed Sep 10, 4:47 am)
Re: [patch] x86: some lock annotations for user copy paths, Ingo Molnar, (Wed Sep 10, 4:50 am)
Re: [patch] x86: some lock annotations for user copy paths, Ingo Molnar, (Wed Sep 10, 5:12 am)
Re: [patch] x86: some lock annotations for user copy paths, Ingo Molnar, (Wed Sep 10, 5:32 am)
Re: [patch] x86: some lock annotations for user copy paths, Nick Piggin, (Wed Sep 10, 7:30 am)
Re: [patch] x86: some lock annotations for user copy paths, Andi Kleen, (Wed Sep 10, 7:31 am)
Re: [patch] x86: some lock annotations for user copy paths, Nick Piggin, (Wed Sep 10, 7:48 am)
Re: [patch] x86: some lock annotations for user copy paths, Peter Zijlstra, (Wed Sep 10, 8:01 am)
Re: [patch] x86: some lock annotations for user copy paths, Nick Piggin, (Wed Sep 10, 8:12 am)
Re: [patch] x86: some lock annotations for user copy paths, Nick Piggin, (Wed Sep 10, 8:17 am)
Re: [patch] x86: some lock annotations for user copy paths, Nick Piggin, (Wed Sep 10, 8:26 am)
Re: [patch] x86: some lock annotations for user copy paths, Ingo Molnar, (Thu Sep 11, 1:27 am)
Re: [patch] x86: some lock annotations for user copy paths, Nick Piggin, (Thu Sep 11, 3:43 am)
[PATCH] sysfs: fix deadlock, Ingo Molnar, (Fri Sep 12, 2:24 am)
[lockdep] possible circular locking, between &amp;mm-&gt;mmap_sem ..., Ingo Molnar, (Sun Sep 14, 12:39 am)
Re: [lockdep] possible circular locking, between &amp;mm-&gt;mmap ..., Andrew Morton, (Sun Sep 14, 12:44 am)
[patch] mm: fix locking, inotify_read's ev_mutex vs do_pag ..., Ingo Molnar, (Sun Sep 14, 1:06 am)
Re: [lockdep] possible circular locking, between &amp;mm-&gt;mmap ..., Nick Piggin, (Sun Sep 14, 2:36 pm)
Re: [PATCH] sysfs: fix deadlock, Nick Piggin, (Sun Sep 14, 3:02 pm)
[patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Nick Piggin, (Sun Sep 14, 3:12 pm)
Re: [PATCH] sysfs: fix deadlock, Peter Zijlstra, (Mon Sep 15, 2:15 am)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Andrew Morton, (Wed Sep 17, 1:14 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Matt Mackall, (Wed Sep 17, 1:46 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Ingo Molnar, (Thu Sep 18, 4:12 am)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Jeremy Fitzhardinge, (Thu Sep 18, 12:29 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Matt Mackall, (Thu Sep 18, 2:11 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Ingo Molnar, (Fri Sep 19, 1:40 am)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Dave Hansen, (Fri Sep 19, 7:18 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Hugh Dickins, (Sat Sep 20, 9:12 am)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, David Howells, (Mon Sep 22, 7:54 am)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Dave Hansen, (Mon Sep 22, 8:14 am)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Nick Piggin, (Mon Sep 22, 10:32 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, David Howells, (Wed Sep 24, 11:18 am)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Matt Mackall, (Wed Sep 24, 11:29 am)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, David Howells, (Wed Sep 24, 11:56 am)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Matt Mackall, (Wed Sep 24, 12:11 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, David Howells, (Wed Sep 24, 12:26 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Hugh Dickins, (Wed Sep 24, 12:29 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Hugh Dickins, (Wed Sep 24, 12:41 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Andrew Morton, (Wed Sep 24, 12:47 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, David Howells, (Wed Sep 24, 12:59 pm)
Re: [patch] mm: tiny-shmem fix lor, mmap_sem vs i_mutex, Hugh Dickins, (Wed Sep 24, 4:43 pm)