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From: Andrea Arcangeli <andrea@qumranet.com>
To: Christoph Lameter <clameter@sgi.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 01 of 12] Core of mmu notifiers
Date: Wed, 23 Apr 2008 19:24:32 +0200	[thread overview]
Message-ID: <20080423172432.GE24536@duo.random> (raw)
In-Reply-To: <20080423162629.GB24536@duo.random>

On Wed, Apr 23, 2008 at 06:26:29PM +0200, Andrea Arcangeli wrote:
> On Tue, Apr 22, 2008 at 04:20:35PM -0700, Christoph Lameter wrote:
> > I guess I have to prepare another patchset then?

Apologies for my previous not too polite comment in answer to the
above, but I thought this double patchset was over now that you
converged in #v12 and obsoleted EMM and after the last private
discussions. There's nothing personal here on my side, just a bit of
general frustration on this matter. I appreciate all great
contribution from you, as last your idea to use sort(), but I can't
really see any possible benefit or justification anymore from keeping
two patchsets floating around given we already converged on the
mmu-notifier-core, and given it's almost certain mmu-notifier-core
will go in -mm in time for 2.6.26. Let's put it this way, if I fail to
merge mmu-notifier-core into 2.6.26 I'll voluntarily give up my entire
patchset and leave maintainership to you so you move 1/N to N/N and
remove mm_lock-sem patch (everything else can remain the same as it's
all orthogonal so changing the order is a matter of minutes).

WARNING: multiple messages have this Message-ID (diff)
From: Andrea Arcangeli <andrea@qumranet.com>
To: Christoph Lameter <clameter@sgi.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 01 of 12] Core of mmu notifiers
Date: Wed, 23 Apr 2008 19:24:32 +0200	[thread overview]
Message-ID: <20080423172432.GE24536@duo.random> (raw)
In-Reply-To: <20080423162629.GB24536@duo.random>

On Wed, Apr 23, 2008 at 06:26:29PM +0200, Andrea Arcangeli wrote:
> On Tue, Apr 22, 2008 at 04:20:35PM -0700, Christoph Lameter wrote:
> > I guess I have to prepare another patchset then?

Apologies for my previous not too polite comment in answer to the
above, but I thought this double patchset was over now that you
converged in #v12 and obsoleted EMM and after the last private
discussions. There's nothing personal here on my side, just a bit of
general frustration on this matter. I appreciate all great
contribution from you, as last your idea to use sort(), but I can't
really see any possible benefit or justification anymore from keeping
two patchsets floating around given we already converged on the
mmu-notifier-core, and given it's almost certain mmu-notifier-core
will go in -mm in time for 2.6.26. Let's put it this way, if I fail to
merge mmu-notifier-core into 2.6.26 I'll voluntarily give up my entire
patchset and leave maintainership to you so you move 1/N to N/N and
remove mm_lock-sem patch (everything else can remain the same as it's
all orthogonal so changing the order is a matter of minutes).

--
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  reply	other threads:[~2008-04-23 17:24 UTC|newest]

Thread overview: 249+ 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 ` Andrea Arcangeli
2008-04-22 13:51 ` [ofa-general] " Andrea Arcangeli
2008-04-22 13:51 ` [PATCH 01 of 12] Core of mmu notifiers Andrea Arcangeli
2008-04-22 13:51   ` Andrea Arcangeli
2008-04-22 13:51   ` Andrea Arcangeli
2008-04-22 14:56   ` Eric Dumazet
2008-04-22 14:56     ` Eric Dumazet
2008-04-22 15:15     ` Andrea Arcangeli
2008-04-22 15:15       ` Andrea Arcangeli
2008-04-22 15:15       ` [ofa-general] " Andrea Arcangeli
2008-04-22 15:24       ` Avi Kivity
2008-04-22 15:24         ` Avi Kivity
2008-04-22 15:37       ` Eric Dumazet
2008-04-22 15:37         ` Eric Dumazet
2008-04-22 16:46         ` Andrea Arcangeli
2008-04-22 16:46           ` Andrea Arcangeli
2008-04-22 16:46           ` [ofa-general] " Andrea Arcangeli
2008-04-22 20:19   ` Christoph Lameter
2008-04-22 20:19     ` Christoph Lameter
2008-04-22 20:19     ` [ofa-general] " Christoph Lameter
2008-04-22 20:31     ` Robin Holt
2008-04-22 20:31       ` Robin Holt
2008-04-22 20:31       ` [ofa-general] " Robin Holt
2008-04-22 22:35     ` Andrea Arcangeli
2008-04-22 22:35       ` Andrea Arcangeli
2008-04-22 22:35       ` Andrea Arcangeli
2008-04-22 23:07       ` Robin Holt
2008-04-22 23:07         ` Robin Holt
2008-04-22 23:07         ` Robin Holt
2008-04-23  0:28         ` Jack Steiner
2008-04-23  0:28           ` Jack Steiner
2008-04-23  0:28           ` [ofa-general] " Jack Steiner
2008-04-23 16:37           ` Andrea Arcangeli
2008-04-23 16:37             ` Andrea Arcangeli
2008-04-23 16:37             ` [ofa-general] " Andrea Arcangeli
2008-04-23 18:19             ` Christoph Lameter
2008-04-23 18:19               ` Christoph Lameter
2008-04-23 18:19               ` [ofa-general] " Christoph Lameter
2008-04-23 18:25               ` Andrea Arcangeli
2008-04-23 18:25                 ` Andrea Arcangeli
2008-04-23 18:25                 ` [ofa-general] " Andrea Arcangeli
2008-04-23 22:19             ` Andrea Arcangeli
2008-04-23 22:19               ` Andrea Arcangeli
2008-04-23 22:19               ` [ofa-general] " Andrea Arcangeli
2008-04-24  6:49               ` Andrea Arcangeli
2008-04-24  6:49                 ` Andrea Arcangeli
2008-04-24  6:49                 ` Andrea Arcangeli
2008-04-24  9:51                 ` Robin Holt
2008-04-24  9:51                   ` Robin Holt
2008-04-24  9:51                   ` [ofa-general] " Robin Holt
2008-04-24 15:39                   ` Andrea Arcangeli
2008-04-24 15:39                     ` Andrea Arcangeli
2008-04-24 15:39                     ` [ofa-general] " Andrea Arcangeli
2008-04-24 17:41                     ` Andrea Arcangeli
2008-04-24 17:41                       ` Andrea Arcangeli
2008-04-24 17:41                       ` [ofa-general] " Andrea Arcangeli
2008-04-26 13:17                       ` Robin Holt
2008-04-26 13:17                         ` Robin Holt
2008-04-26 13:17                         ` Robin Holt
2008-04-26 14:04                         ` Andrea Arcangeli
2008-04-26 14:04                           ` Andrea Arcangeli
2008-04-26 14:04                           ` Andrea Arcangeli
2008-04-27 12:27                         ` Andrea Arcangeli
2008-04-27 12:27                           ` Andrea Arcangeli
2008-04-27 12:27                           ` Andrea Arcangeli
2008-04-28 20:34                           ` Christoph Lameter
2008-04-28 20:34                             ` Christoph Lameter
2008-04-28 20:34                             ` [ofa-general] " Christoph Lameter
2008-04-29  0:10                             ` Andrea Arcangeli
2008-04-29  0:10                               ` Andrea Arcangeli
2008-04-29  0:10                               ` Andrea Arcangeli
2008-04-29  1:28                               ` Christoph Lameter
2008-04-29  1:28                                 ` Christoph Lameter
2008-04-29  1:28                                 ` Christoph Lameter
2008-04-29 15:30                                 ` Andrea Arcangeli
2008-04-29 15:30                                   ` Andrea Arcangeli
2008-04-29 15:30                                   ` [ofa-general] " Andrea Arcangeli
2008-04-29 15:50                                   ` Robin Holt
2008-04-29 15:50                                     ` Robin Holt
2008-04-29 15:50                                     ` [ofa-general] " Robin Holt
2008-04-29 16:03                                     ` Andrea Arcangeli
2008-04-29 16:03                                       ` Andrea Arcangeli
2008-04-29 16:03                                       ` [ofa-general] " Andrea Arcangeli
2008-05-07 15:00                                       ` Andrea Arcangeli
2008-05-07 15:00                                         ` Andrea Arcangeli
2008-05-07 15:00                                         ` [ofa-general] " Andrea Arcangeli
2008-04-29 10:49                               ` Hugh Dickins
2008-04-29 10:49                                 ` Hugh Dickins
2008-04-29 10:49                                 ` [ofa-general] " Hugh Dickins
2008-04-29 13:32                                 ` Andrea Arcangeli
2008-04-29 13:32                                   ` Andrea Arcangeli
2008-04-23 13:36         ` Andrea Arcangeli
2008-04-23 13:36           ` Andrea Arcangeli
2008-04-23 13:36           ` [ofa-general] " Andrea Arcangeli
2008-04-23 14:47           ` Robin Holt
2008-04-23 14:47             ` Robin Holt
2008-04-23 14:47             ` [ofa-general] " Robin Holt
2008-04-23 15:59             ` Andrea Arcangeli
2008-04-23 15:59               ` Andrea Arcangeli
2008-04-23 15:59               ` [ofa-general] " Andrea Arcangeli
2008-04-23 18:09               ` Christoph Lameter
2008-04-23 18:09                 ` Christoph Lameter
2008-04-23 18:09                 ` [ofa-general] " Christoph Lameter
2008-04-23 18:19                 ` Andrea Arcangeli
2008-04-23 18:19                   ` Andrea Arcangeli
2008-04-23 18:19                   ` [ofa-general] " Andrea Arcangeli
2008-04-23 18:27                   ` Christoph Lameter
2008-04-23 18:27                     ` Christoph Lameter
2008-04-23 18:27                     ` [ofa-general] " Christoph Lameter
2008-04-23 18:37                     ` Andrea Arcangeli
2008-04-23 18:37                       ` Andrea Arcangeli
2008-04-23 18:37                       ` [ofa-general] " Andrea Arcangeli
2008-04-23 18:46                       ` Christoph Lameter
2008-04-23 18:46                         ` Christoph Lameter
2008-04-23 18:46                         ` [ofa-general] " Christoph Lameter
2008-04-22 23:20       ` Christoph Lameter
2008-04-22 23:20         ` Christoph Lameter
2008-04-22 23:20         ` [ofa-general] " Christoph Lameter
2008-04-23 16:26         ` Andrea Arcangeli
2008-04-23 16:26           ` Andrea Arcangeli
2008-04-23 16:26           ` [ofa-general] " Andrea Arcangeli
2008-04-23 17:24           ` Andrea Arcangeli [this message]
2008-04-23 17:24             ` Andrea Arcangeli
2008-04-23 18:21             ` Christoph Lameter
2008-04-23 18:21               ` Christoph Lameter
2008-04-23 18:21               ` [ofa-general] " Christoph Lameter
2008-04-23 18:34               ` Andrea Arcangeli
2008-04-23 18:34                 ` Andrea Arcangeli
2008-04-23 18:15           ` Christoph Lameter
2008-04-23 18:15             ` Christoph Lameter
2008-04-23 18:15             ` [ofa-general] " Christoph Lameter
2008-04-23 17:09   ` Jack Steiner
2008-04-23 17:09     ` Jack Steiner
2008-04-23 17:09     ` [ofa-general] " Jack Steiner
2008-04-23 17:45     ` Andrea Arcangeli
2008-04-23 17:45       ` Andrea Arcangeli
2008-04-23 17:45       ` [ofa-general] " 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 13:51   ` Andrea Arcangeli
2008-04-22 13:51   ` [ofa-general] " Andrea Arcangeli
2008-04-22 20:22   ` Christoph Lameter
2008-04-22 20:22     ` Christoph Lameter
2008-04-22 20:22     ` Christoph Lameter
2008-04-22 22:43     ` Andrea Arcangeli
2008-04-22 22:43       ` Andrea Arcangeli
2008-04-22 22:43       ` [ofa-general] " Andrea Arcangeli
2008-04-22 23:07       ` Robin Holt
2008-04-22 23:07         ` Robin Holt
2008-04-22 23:07         ` [ofa-general] " 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 13:51   ` Andrea Arcangeli
2008-04-22 20:23   ` Christoph Lameter
2008-04-22 20:23     ` Christoph Lameter
2008-04-22 20:23     ` [ofa-general] " Christoph Lameter
2008-04-22 22:37     ` Andrea Arcangeli
2008-04-22 22:37       ` Andrea Arcangeli
2008-04-22 22:37       ` [ofa-general] " Andrea Arcangeli
2008-04-22 23:13       ` Christoph Lameter
2008-04-22 23:13         ` Christoph Lameter
2008-04-22 23:13         ` [ofa-general] " 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 13:51   ` Andrea Arcangeli
2008-04-22 13:51   ` Andrea Arcangeli
2008-04-22 20:24   ` Christoph Lameter
2008-04-22 20:24     ` Christoph Lameter
2008-04-22 20:24     ` Christoph Lameter
2008-04-22 22:40     ` Andrea Arcangeli
2008-04-22 22:40       ` Andrea Arcangeli
2008-04-22 22:40       ` [ofa-general] " Andrea Arcangeli
2008-04-22 23:14       ` Christoph Lameter
2008-04-22 23:14         ` Christoph Lameter
2008-04-22 23:14         ` Christoph Lameter
2008-04-23 13:44         ` Andrea Arcangeli
2008-04-23 13:44           ` Andrea Arcangeli
2008-04-23 13:44           ` [ofa-general] " Andrea Arcangeli
2008-04-23 15:45           ` Robin Holt
2008-04-23 15:45             ` Robin Holt
2008-04-23 15:45             ` [ofa-general] " Robin Holt
2008-04-23 16:15             ` Andrea Arcangeli
2008-04-23 16:15               ` Andrea Arcangeli
2008-04-23 16:15               ` [ofa-general] " Andrea Arcangeli
2008-04-23 19:55               ` Robin Holt
2008-04-23 19:55                 ` Robin Holt
2008-04-23 19:55                 ` [ofa-general] " Robin Holt
2008-04-23 21:05             ` Avi Kivity
2008-04-23 21:05               ` Avi Kivity
2008-04-23 21:05               ` [ofa-general] " Avi Kivity
2008-04-23 18:02           ` Christoph Lameter
2008-04-23 18:02             ` Christoph Lameter
2008-04-23 18:02             ` [ofa-general] " Christoph Lameter
2008-04-23 18:16             ` Andrea Arcangeli
2008-04-23 18:16               ` Andrea Arcangeli
2008-04-23 18:16               ` [ofa-general] " 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 13:51   ` Andrea Arcangeli
2008-04-22 13:51   ` Andrea Arcangeli
2008-04-22 20:25   ` Christoph Lameter
2008-04-22 20:25     ` Christoph Lameter
2008-04-22 20:25     ` [ofa-general] " 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   ` Andrea Arcangeli
2008-04-22 13:51   ` 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   ` Andrea Arcangeli
2008-04-22 13:51   ` 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   ` Andrea Arcangeli
2008-04-22 13:51   ` 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   ` Andrea Arcangeli
2008-04-22 13:51   ` 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 13:51   ` Andrea Arcangeli
2008-04-22 13:51   ` Andrea Arcangeli
2008-04-22 20:26   ` Christoph Lameter
2008-04-22 20:26     ` Christoph Lameter
2008-04-22 22:54     ` Andrea Arcangeli
2008-04-22 22:54       ` Andrea Arcangeli
2008-04-22 22:54       ` [ofa-general] " Andrea Arcangeli
2008-04-22 23:19       ` Christoph Lameter
2008-04-22 23:19         ` Christoph Lameter
2008-04-22 23:19         ` [ofa-general] " Christoph Lameter
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   ` Andrea Arcangeli
2008-04-22 13:51   ` 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 13:51   ` Andrea Arcangeli
2008-04-22 13:51   ` Andrea Arcangeli
2008-04-22 18:22 ` [PATCH 00 of 12] mmu notifier #v13 Robin Holt
2008-04-22 18:22   ` Robin Holt
2008-04-22 18:22   ` Robin Holt
2008-04-22 18:43   ` Andrea Arcangeli
2008-04-22 18:43     ` Andrea Arcangeli
2008-04-22 19:42     ` Robin Holt
2008-04-22 19:42       ` Robin Holt
2008-04-22 19:42       ` [ofa-general] " Robin Holt
2008-04-22 20:30       ` Christoph Lameter
2008-04-22 20:30         ` Christoph Lameter
2008-04-22 20:30         ` [ofa-general] " Christoph Lameter
2008-04-23 13:33         ` Andrea Arcangeli
2008-04-23 13:33           ` Andrea Arcangeli
2008-04-23 13:33           ` [ofa-general] " Andrea Arcangeli
2008-04-22 20:28     ` Christoph Lameter
2008-04-22 20:28       ` Christoph Lameter
2008-04-22 20:28       ` [ofa-general] " Christoph Lameter
2008-04-23  0:31 ` Jack Steiner
2008-04-23  0:31   ` Jack Steiner
2008-04-23  0:31   ` [ofa-general] " Jack Steiner

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