From: Christoph Lameter <clameter@sgi.com>
To: Andrea Arcangeli <andrea@qumranet.com>
Cc: Nick Piggin <npiggin@suse.de>, Jack Steiner <steiner@sgi.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
kvm-devel@lists.sourceforge.net,
Kanoj Sarcar <kanojsarcar@yahoo.com>,
Roland Dreier <rdreier@cisco.com>,
Steve Wise <swise@opengridcomputing.com>,
linux-kernel@vger.kernel.org, Avi Kivity <avi@qumranet.com>,
linux-mm@kvack.org, Robin Holt <holt@sgi.com>,
general@lists.openfabrics.org, Hugh Dickins <hugh@veritas.com>,
akpm@linux-foundation.org, Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [PATCH 10 of 12] Convert mm_lock to use semaphores after i_mmap_lock and anon_vma_lock
Date: Tue, 22 Apr 2008 16:19:06 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0804221615150.4868@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20080422225424.GT24536@duo.random>
On Wed, 23 Apr 2008, Andrea Arcangeli wrote:
> The right patch ordering isn't necessarily the one that reduces the
> total number of lines in the patchsets. The mmu-notifier-core is
> already converged and can go in. The rest isn't converged at
> all... nearly nobody commented on the other part (the few comments so
> far were negative), so there's no good reason to delay indefinitely
> what is already converged, given it's already feature complete for
> certain users of the code. My patch ordering looks more natural to
> me. What is finished goes in, the rest is orthogonal anyway.
I would not want to review code that is later reverted or essentially
changed in later patches. I only review your patches because we have a
high interest in the patch. I suspect that others will be more willing to
review this material if it would be done the right way.
If you cannot produce an easily reviewable and properly formatted patchset
that follows conventions then I will have to do it because we really need
to get this merged.
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next prev parent reply other threads:[~2008-04-22 23:19 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-22 13:51 [PATCH 00 of 12] mmu notifier #v13 Andrea Arcangeli
2008-04-22 13:51 ` [PATCH 01 of 12] Core of mmu notifiers Andrea Arcangeli
2008-04-22 14:56 ` Eric Dumazet
2008-04-22 15:15 ` Andrea Arcangeli
2008-04-22 15:24 ` Avi Kivity
2008-04-22 15:37 ` Eric Dumazet
2008-04-22 16:46 ` Andrea Arcangeli
2008-04-22 20:19 ` Christoph Lameter
2008-04-22 20:31 ` Robin Holt
2008-04-22 22:35 ` Andrea Arcangeli
2008-04-22 23:07 ` Robin Holt
2008-04-23 0:28 ` Jack Steiner
2008-04-23 16:37 ` Andrea Arcangeli
2008-04-23 18:19 ` Christoph Lameter
2008-04-23 18:25 ` Andrea Arcangeli
2008-04-23 22:19 ` Andrea Arcangeli
2008-04-24 6:49 ` Andrea Arcangeli
2008-04-24 9:51 ` Robin Holt
2008-04-24 15:39 ` Andrea Arcangeli
2008-04-24 17:41 ` Andrea Arcangeli
2008-04-26 13:17 ` Robin Holt
2008-04-26 14:04 ` Andrea Arcangeli
2008-04-27 12:27 ` Andrea Arcangeli
2008-04-28 20:34 ` Christoph Lameter
2008-04-29 0:10 ` Andrea Arcangeli
2008-04-29 1:28 ` Christoph Lameter
2008-04-29 15:30 ` Andrea Arcangeli
2008-04-29 15:50 ` Robin Holt
2008-04-29 16:03 ` Andrea Arcangeli
2008-05-07 15:00 ` Andrea Arcangeli
2008-04-29 10:49 ` Hugh Dickins
2008-04-29 13:32 ` Andrea Arcangeli
2008-04-23 13:36 ` Andrea Arcangeli
2008-04-23 14:47 ` Robin Holt
2008-04-23 15:59 ` Andrea Arcangeli
2008-04-23 18:09 ` Christoph Lameter
2008-04-23 18:19 ` Andrea Arcangeli
2008-04-23 18:27 ` Christoph Lameter
2008-04-23 18:37 ` Andrea Arcangeli
2008-04-23 18:46 ` Christoph Lameter
2008-04-22 23:20 ` Christoph Lameter
2008-04-23 16:26 ` Andrea Arcangeli
2008-04-23 17:24 ` Andrea Arcangeli
2008-04-23 18:21 ` Christoph Lameter
2008-04-23 18:34 ` Andrea Arcangeli
2008-04-23 18:15 ` Christoph Lameter
2008-04-23 17:09 ` Jack Steiner
2008-04-23 17:45 ` Andrea Arcangeli
2008-04-22 13:51 ` [PATCH 02 of 12] Fix ia64 compilation failure because of common code include bug Andrea Arcangeli
2008-04-22 20:22 ` Christoph Lameter
2008-04-22 22:43 ` Andrea Arcangeli
2008-04-22 23:07 ` Robin Holt
2008-04-22 13:51 ` [PATCH 03 of 12] get_task_mm should not succeed if mmput() is running and has reduced Andrea Arcangeli
2008-04-22 20:23 ` Christoph Lameter
2008-04-22 22:37 ` Andrea Arcangeli
2008-04-22 23:13 ` Christoph Lameter
2008-04-22 13:51 ` [PATCH 04 of 12] Moves all mmu notifier methods outside the PT lock (first and not last Andrea Arcangeli
2008-04-22 20:24 ` Christoph Lameter
2008-04-22 22:40 ` Andrea Arcangeli
2008-04-22 23:14 ` Christoph Lameter
2008-04-23 13:44 ` Andrea Arcangeli
2008-04-23 15:45 ` Robin Holt
2008-04-23 16:15 ` Andrea Arcangeli
2008-04-23 19:55 ` Robin Holt
2008-04-23 21:05 ` Avi Kivity
2008-04-23 18:02 ` Christoph Lameter
2008-04-23 18:16 ` Andrea Arcangeli
2008-04-22 13:51 ` [PATCH 05 of 12] Move the tlb flushing into free_pgtables. The conversion of the locks Andrea Arcangeli
2008-04-22 20:25 ` Christoph Lameter
2008-04-22 13:51 ` [PATCH 06 of 12] Move the tlb flushing inside of unmap vmas. This saves us from passing Andrea Arcangeli
2008-04-22 13:51 ` [PATCH 07 of 12] Add a function to rw_semaphores to check if there are any processes Andrea Arcangeli
2008-04-22 13:51 ` [PATCH 08 of 12] The conversion to a rwsem allows notifier callbacks during rmap traversal Andrea Arcangeli
2008-04-22 13:51 ` [PATCH 09 of 12] Convert the anon_vma spinlock to a rw semaphore. This allows concurrent Andrea Arcangeli
2008-04-22 13:51 ` [PATCH 10 of 12] Convert mm_lock to use semaphores after i_mmap_lock and anon_vma_lock Andrea Arcangeli
2008-04-22 20:26 ` Christoph Lameter
2008-04-22 22:54 ` Andrea Arcangeli
2008-04-22 23:19 ` Christoph Lameter [this message]
2008-04-22 13:51 ` [PATCH 11 of 12] XPMEM would have used sys_madvise() except that madvise_dontneed() Andrea Arcangeli
2008-04-22 13:51 ` [PATCH 12 of 12] This patch adds a lock ordering rule to avoid a potential deadlock when Andrea Arcangeli
2008-04-22 18:22 ` [PATCH 00 of 12] mmu notifier #v13 Robin Holt
2008-04-22 18:43 ` Andrea Arcangeli
2008-04-22 19:42 ` Robin Holt
2008-04-22 20:30 ` Christoph Lameter
2008-04-23 13:33 ` Andrea Arcangeli
2008-04-22 20:28 ` Christoph Lameter
2008-04-23 0:31 ` Jack Steiner
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