From: Andi Kleen <andi@firstfloor.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andi Kleen <andi@firstfloor.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
cl@linux-foundation.org,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"mingo@elte.hu" <mingo@elte.hu>,
minchan.kim@gmail.com
Subject: Re: [mm][RFC][PATCH 0/11] mm accessor updates.
Date: Wed, 16 Dec 2009 11:28:06 +0100 [thread overview]
Message-ID: <20091216102806.GC15031@basil.fritz.box> (raw)
In-Reply-To: <20091216191312.f4655dac.kamezawa.hiroyu@jp.fujitsu.com>
> > Also the patches didn't fare too well in testing unfortunately.
> >
> > I suspect we'll rather need multiple locks split per address
> > space range.
>
> This set doesn't include any changes of the logic. Just replace all mmap_sem.
> I think this is good start point (for introducing another logic etc..)
The problem is that for range locking simple wrapping the locks
in macros is not enough. You need more changes.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
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next prev parent reply other threads:[~2009-12-16 10:28 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-16 3:00 KAMEZAWA Hiroyuki
2009-12-16 3:01 ` [mm][RFC][PATCH 1/11] mm accessor for replacing mmap_sem KAMEZAWA Hiroyuki
2009-12-16 3:02 ` [mm][RFC][PATCH 2/11] mm accessor for kernel core KAMEZAWA Hiroyuki
2009-12-16 3:03 ` [mm][RFC][PATCH 3/11] mm accessor for fs KAMEZAWA Hiroyuki
2009-12-16 3:04 ` [mm][RFC][PATCH 4/11] mm accessor for kvm KAMEZAWA Hiroyuki
2009-12-16 3:05 ` [mm][RFC][PATCH 5/11] mm accessor for tomoyo KAMEZAWA Hiroyuki
2009-12-16 3:06 ` [mm][RFC][PATCH 6/11] mm accessor for driver/gpu KAMEZAWA Hiroyuki
2009-12-16 3:07 ` [mm][RFC][PATCH 7/11] mm accessor for inifiniband KAMEZAWA Hiroyuki
2009-12-16 3:08 ` [mm][RFC][PATCH 8/11] mm accessor for video KAMEZAWA Hiroyuki
2009-12-16 3:09 ` [mm][RFC][PATCH 9/11] mm accessor for sgi gru KAMEZAWA Hiroyuki
2009-12-16 3:10 ` [mm][RFC][PATCH 10/11] mm accessor for misc drivers KAMEZAWA Hiroyuki
2009-12-16 3:11 ` [mm][RFC][PATCH 11/11] mm accessor for x86 KAMEZAWA Hiroyuki
2009-12-16 10:11 ` [mm][RFC][PATCH 0/11] mm accessor updates Andi Kleen
2009-12-16 10:13 ` KAMEZAWA Hiroyuki
2009-12-16 10:28 ` Andi Kleen [this message]
2009-12-16 10:31 ` KAMEZAWA Hiroyuki
2009-12-16 10:49 ` Andi Kleen
2009-12-16 11:12 ` KAMEZAWA Hiroyuki
2009-12-16 11:31 ` Andi Kleen
2009-12-16 16:27 ` Christoph Lameter
2009-12-16 23:01 ` Peter Zijlstra
2009-12-17 4:11 ` KOSAKI Motohiro
2009-12-17 8:41 ` Andi Kleen
2009-12-16 22:57 ` Peter Zijlstra
2009-12-17 8:40 ` Andi Kleen
2009-12-17 8:45 ` Peter Zijlstra
2009-12-17 8:54 ` Andi Kleen
2009-12-17 14:45 ` Paul E. McKenney
2009-12-17 15:02 ` Peter Zijlstra
2009-12-17 17:53 ` Andi Kleen
2009-12-17 19:08 ` Paul E. McKenney
2009-12-17 19:55 ` Andi Kleen
2009-12-17 19:56 ` Christoph Lameter
2009-12-17 20:14 ` Peter Zijlstra
2009-12-17 20:42 ` Christoph Lameter
2009-12-18 5:17 ` Ingo Molnar
2009-12-18 17:00 ` Avi Kivity
2009-12-18 17:12 ` Ingo Molnar
2009-12-18 18:12 ` Christoph Lameter
2009-12-18 18:43 ` Andi Kleen
2009-12-18 18:45 ` Ingo Molnar
2009-12-18 23:18 ` KAMEZAWA Hiroyuki
2009-12-17 19:33 ` Christoph Lameter
2009-12-17 20:07 ` Peter Zijlstra
2009-12-17 20:13 ` Christoph Lameter
2009-12-17 20:19 ` Peter Zijlstra
2009-12-16 10:31 ` Minchan Kim
2009-12-16 10:33 ` KAMEZAWA Hiroyuki
2009-12-18 0:38 ` [RFC 0/4] speculative page fault (Was " KAMEZAWA Hiroyuki
2009-12-18 0:41 ` [RFC 1/4] uninline mm accessor KAMEZAWA Hiroyuki
2009-12-18 0:43 ` [RFC 2/4] add mm event counter KAMEZAWA Hiroyuki
2009-12-19 3:23 ` Minchan Kim
2009-12-19 6:37 ` KAMEZAWA Hiroyuki
2009-12-18 0:45 ` [RFC 3/4] lockless vma caching KAMEZAWA Hiroyuki
2009-12-19 3:43 ` Minchan Kim
2009-12-19 6:44 ` KAMEZAWA Hiroyuki
2009-12-18 0:46 ` [RFC 4/4] speculative pag fault KAMEZAWA Hiroyuki
2009-12-18 5:54 ` Minchan Kim
2009-12-18 6:06 ` KAMEZAWA Hiroyuki
2009-12-18 6:33 ` Minchan Kim
2009-12-19 3:55 ` Minchan Kim
2009-12-19 6:49 ` KAMEZAWA Hiroyuki
2009-12-16 16:24 ` [mm][RFC][PATCH 0/11] mm accessor updates Christoph Lameter
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