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Re: [PATCH 04 of 12] Moves all mmu notifier methods outside the PT lock (first and not last

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From: Andrea Arcangeli
Subject: Re: [PATCH 04 of 12] Moves all mmu notifier methods outside the PT lock (first and not last
Date: Wednesday, April 23, 2008 - 11:16 am

On Wed, Apr 23, 2008 at 11:02:18AM -0700, Christoph Lameter wrote:

Yes. In addition to the pinning, there's lot of additional tlb
flushing work to do in kvm without mmu notifiers as the swapcache
could be freed by the vm the instruction after put_page unpins the
page for whatever reason.
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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)