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Re: [PATCH 01 of 12] Core of mmu notifiers

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From: Christoph Lameter
Subject: Re: [PATCH 01 of 12] Core of mmu notifiers
Date: Monday, April 28, 2008 - 1:34 pm

On Sun, 27 Apr 2008, Andrea Arcangeli wrote:


You are going to take a semphore in an rcu section? Guess you did not 
activate all debugging options while testing? I was not aware that you can 
take a sleeping lock from a non preemptible context.


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[PATCH 00 of 12] mmu notifier #v13, Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 02 of 12] Fix ia64 compilation failure because of c ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 03 of 12] get_task_mm should not succeed if mmput() ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 04 of 12] Moves all mmu notifier methods outside th ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 05 of 12] Move the tlb flushing into free_pgtables. ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 06 of 12] Move the tlb flushing inside of unmap vma ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 07 of 12] Add a function to rw_semaphores to check ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 08 of 12] The conversion to a rwsem allows notifier ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 09 of 12] Convert the anon_vma spinlock to a rw sem ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 10 of 12] Convert mm_lock to use semaphores after i ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 11 of 12] XPMEM would have used sys_madvise() excep ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
[PATCH 12 of 12] This patch adds a lock ordering rule to a ..., Andrea Arcangeli, (Tue Apr 22, 6:51 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Eric Dumazet, (Tue Apr 22, 7:56 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Tue Apr 22, 8:15 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Avi Kivity, (Tue Apr 22, 8:24 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Eric Dumazet, (Tue Apr 22, 8:37 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Tue Apr 22, 9:46 am)
Re: [PATCH 00 of 12] mmu notifier #v13, Robin Holt, (Tue Apr 22, 11:22 am)
Re: [PATCH 00 of 12] mmu notifier #v13, Andrea Arcangeli, (Tue Apr 22, 11:43 am)
Re: [PATCH 00 of 12] mmu notifier #v13, Robin Holt, (Tue Apr 22, 12:42 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Christoph Lameter, (Tue Apr 22, 1:19 pm)
Re: [PATCH 02 of 12] Fix ia64 compilation failure because ..., Christoph Lameter, (Tue Apr 22, 1:22 pm)
Re: [PATCH 03 of 12] get_task_mm should not succeed if mmp ..., Christoph Lameter, (Tue Apr 22, 1:23 pm)
Re: [PATCH 04 of 12] Moves all mmu notifier methods outsid ..., Christoph Lameter, (Tue Apr 22, 1:24 pm)
Re: [PATCH 05 of 12] Move the tlb flushing into free_pgtab ..., Christoph Lameter, (Tue Apr 22, 1:25 pm)
Re: [PATCH 10 of 12] Convert mm_lock to use semaphores aft ..., Christoph Lameter, (Tue Apr 22, 1:26 pm)
Re: [PATCH 00 of 12] mmu notifier #v13, Christoph Lameter, (Tue Apr 22, 1:28 pm)
Re: [PATCH 00 of 12] mmu notifier #v13, Christoph Lameter, (Tue Apr 22, 1:30 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Robin Holt, (Tue Apr 22, 1:31 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Tue Apr 22, 3:35 pm)
Re: [PATCH 03 of 12] get_task_mm should not succeed if mmp ..., Andrea Arcangeli, (Tue Apr 22, 3:37 pm)
Re: [PATCH 04 of 12] Moves all mmu notifier methods outsid ..., Andrea Arcangeli, (Tue Apr 22, 3:40 pm)
Re: [PATCH 02 of 12] Fix ia64 compilation failure because ..., Andrea Arcangeli, (Tue Apr 22, 3:43 pm)
Re: [PATCH 10 of 12] Convert mm_lock to use semaphores aft ..., Andrea Arcangeli, (Tue Apr 22, 3:54 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Robin Holt, (Tue Apr 22, 4:07 pm)
Re: [PATCH 02 of 12] Fix ia64 compilation failure because ..., Robin Holt, (Tue Apr 22, 4:07 pm)
Re: [PATCH 03 of 12] get_task_mm should not succeed if mmp ..., Christoph Lameter, (Tue Apr 22, 4:13 pm)
Re: [PATCH 04 of 12] Moves all mmu notifier methods outsid ..., Christoph Lameter, (Tue Apr 22, 4:14 pm)
Re: [PATCH 10 of 12] Convert mm_lock to use semaphores aft ..., Christoph Lameter, (Tue Apr 22, 4:19 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Christoph Lameter, (Tue Apr 22, 4:20 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Jack Steiner, (Tue Apr 22, 5:28 pm)
Re: [PATCH 00 of 12] mmu notifier #v13, Jack Steiner, (Tue Apr 22, 5:31 pm)
Re: [PATCH 00 of 12] mmu notifier #v13, Andrea Arcangeli, (Wed Apr 23, 6:33 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 6:36 am)
Re: [PATCH 04 of 12] Moves all mmu notifier methods outsid ..., Andrea Arcangeli, (Wed Apr 23, 6:44 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Robin Holt, (Wed Apr 23, 7:47 am)
Re: [PATCH 04 of 12] Moves all mmu notifier methods outsid ..., Robin Holt, (Wed Apr 23, 8:45 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 8:59 am)
Re: [PATCH 04 of 12] Moves all mmu notifier methods outsid ..., Andrea Arcangeli, (Wed Apr 23, 9:15 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 9:26 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 9:37 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Jack Steiner, (Wed Apr 23, 10:09 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 10:24 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 10:45 am)
Re: [PATCH 04 of 12] Moves all mmu notifier methods outsid ..., Christoph Lameter, (Wed Apr 23, 11:02 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Christoph Lameter, (Wed Apr 23, 11:09 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Christoph Lameter, (Wed Apr 23, 11:15 am)
Re: [PATCH 04 of 12] Moves all mmu notifier methods outsid ..., Andrea Arcangeli, (Wed Apr 23, 11:16 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Christoph Lameter, (Wed Apr 23, 11:19 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 11:19 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Christoph Lameter, (Wed Apr 23, 11:21 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 11:25 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Christoph Lameter, (Wed Apr 23, 11:27 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 11:34 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 11:37 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Christoph Lameter, (Wed Apr 23, 11:46 am)
Re: [PATCH 04 of 12] Moves all mmu notifier methods outsid ..., Robin Holt, (Wed Apr 23, 12:55 pm)
Re: [PATCH 04 of 12] Moves all mmu notifier methods outsid ..., Avi Kivity, (Wed Apr 23, 2:05 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 3:19 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed Apr 23, 11:49 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Robin Holt, (Thu Apr 24, 2:51 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Thu Apr 24, 8:39 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Thu Apr 24, 10:41 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Robin Holt, (Sat Apr 26, 6:17 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Sat Apr 26, 7:04 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Sun Apr 27, 5:27 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Christoph Lameter, (Mon Apr 28, 1:34 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Mon Apr 28, 5:10 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Christoph Lameter, (Mon Apr 28, 6:28 pm)
Re: [PATCH 01 of 12] Core of mmu notifiers, Hugh Dickins, (Tue Apr 29, 3:49 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Tue Apr 29, 6:32 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Tue Apr 29, 8:30 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Robin Holt, (Tue Apr 29, 8:50 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Tue Apr 29, 9:03 am)
Re: [PATCH 01 of 12] Core of mmu notifiers, Andrea Arcangeli, (Wed May 7, 8:00 am)