From: Christoph Lameter <clameter@sgi.com>
To: Andrea Arcangeli <andrea@qumranet.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Jack Steiner <steiner@sgi.com>, Nick Piggin <npiggin@suse.de>,
akpm@linux-foundation.org, Robin Holt <holt@sgi.com>,
Avi Kivity <avi@qumranet.com>,
kvm-devel@lists.sourceforge.net, general@lists.openfabrics.org,
Steve Wise <swise@opengridcomputing.com>,
Roland Dreier <rdreier@cisco.com>,
Kanoj Sarcar <kanojsarcar@yahoo.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
daniel.blueman@quadrics.com
Subject: Re: [PATCH] 3/4 combine RCU with seqlock to allow mmu notifier methods to sleep (#v9 was 1/4)
Date: Fri, 7 Mar 2008 12:15:22 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0803071213370.6815@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20080307194728.GP24114@v2.random>
On Fri, 7 Mar 2008, Andrea Arcangeli wrote:
> This is a replacement for the previously posted 3/4, one of the pieces
> to allow the mmu notifier methods to sleep.
Looks good. That is what we talked about last week. What guarantees now
that we see the cacheline referenced after the cacheline that
contains the pointer that was changed? hlist_for_reach does a
rcu_dereference with implied memory barrier? So its like EMM?
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2008-03-07 20:15 UTC|newest]
Thread overview: 115+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-19 8:43 [patch] my mmu notifiers Nick Piggin
2008-02-19 8:44 ` [patch] my mmu notifier sample driver Nick Piggin
2008-02-19 11:59 ` [patch] my mmu notifiers Robin Holt
2008-02-19 13:58 ` Andrea Arcangeli
2008-02-19 14:27 ` Jack Steiner
2008-02-19 23:04 ` Nick Piggin
2008-02-20 0:52 ` Andrea Arcangeli
2008-02-20 2:46 ` Robin Holt
2008-02-27 22:50 ` Christoph Lameter
2008-02-19 22:59 ` Nick Piggin
2008-02-20 0:46 ` Andrea Arcangeli
2008-02-27 22:55 ` Christoph Lameter
2008-02-19 23:11 ` Nick Piggin
2008-02-19 23:40 ` Jack Steiner
2008-02-21 4:42 ` Nick Piggin
2008-02-22 16:31 ` Jack Steiner
2008-02-20 1:09 ` Andrea Arcangeli
2008-02-20 10:39 ` [PATCH] mmu notifiers #v6 Andrea Arcangeli
2008-02-20 10:45 ` [PATCH] KVM swapping (+ seqlock fix) with " Andrea Arcangeli
2008-02-27 22:06 ` [PATCH] KVM swapping with mmu notifiers #v7 Andrea Arcangeli
2008-02-28 8:42 ` izik eidus
2008-02-20 11:33 ` [PATCH] mmu notifiers #v6 Robin Holt
2008-02-20 12:03 ` Andrea Arcangeli
2008-02-20 12:24 ` Robin Holt
2008-02-20 12:32 ` Andrea Arcangeli
2008-02-20 13:15 ` Robin Holt
2008-02-21 5:02 ` Nick Piggin
2008-02-20 14:41 ` Robin Holt
2008-02-20 15:34 ` Andrea Arcangeli
2008-02-20 21:03 ` Jack Steiner
2008-02-21 4:54 ` Nick Piggin
2008-02-21 14:40 ` Andrea Arcangeli
2008-02-21 16:10 ` Jack Steiner
2008-02-27 19:26 ` [PATCH] mmu notifiers #v7 Andrea Arcangeli
2008-02-27 20:04 ` Peter Zijlstra
2008-02-27 23:06 ` Christoph Lameter
2008-02-27 23:43 ` [kvm-devel] " Andrea Arcangeli
2008-02-28 0:08 ` Christoph Lameter
2008-02-28 0:21 ` Andrea Arcangeli
2008-02-28 0:24 ` Christoph Lameter
2008-02-28 19:48 ` Christoph Lameter
2008-02-28 21:52 ` Andrea Arcangeli
2008-02-28 22:00 ` Christoph Lameter
2008-02-28 23:17 ` Jack Steiner
2008-02-29 0:24 ` Andrea Arcangeli
2008-02-29 1:13 ` Christoph Lameter
2008-02-28 23:05 ` Christoph Lameter
2008-02-29 0:40 ` Andrea Arcangeli
2008-02-29 0:56 ` Andrew Morton
2008-02-29 1:03 ` Christoph Lameter
2008-02-29 13:09 ` Andrea Arcangeli
2008-02-29 19:46 ` Christoph Lameter
2008-03-02 15:54 ` [PATCH] mmu notifiers #v8 Andrea Arcangeli
2008-03-02 16:03 ` [PATCH] mmu notifiers #v8 + xpmem Andrea Arcangeli
2008-03-02 16:23 ` Peter Zijlstra
2008-03-03 3:29 ` [PATCH] mmu notifiers #v8 Nick Piggin
2008-03-03 12:51 ` Andrea Arcangeli
2008-03-03 13:10 ` Nick Piggin
2008-03-03 13:24 ` Andrea Arcangeli
2008-03-03 15:18 ` Jack Steiner
2008-03-03 16:59 ` Nick Piggin
2008-03-03 18:06 ` Jack Steiner
2008-03-03 18:09 ` Avi Kivity
2008-03-03 18:23 ` Jack Steiner
2008-03-03 18:45 ` Nick Piggin
2008-03-03 19:15 ` Jack Steiner
2008-03-04 10:35 ` Peter Zijlstra
2008-03-04 14:44 ` Jack Steiner
2008-03-03 19:02 ` Christoph Lameter
2008-03-03 19:01 ` Christoph Lameter
2008-03-03 21:15 ` Andrea Arcangeli
2008-03-05 0:37 ` Nick Piggin
2008-03-05 18:48 ` Christoph Lameter
2008-03-06 2:59 ` Nick Piggin
2008-03-03 3:33 ` Nick Piggin
2008-03-03 19:03 ` Christoph Lameter
2008-03-03 3:34 ` Nick Piggin
2008-03-03 19:04 ` Christoph Lameter
2008-03-03 3:39 ` Nick Piggin
2008-03-03 21:37 ` [PATCH] mmu notifiers #v9 Andrea Arcangeli
2008-03-03 22:05 ` [PATCH] KVM swapping with " Andrea Arcangeli
2008-03-04 0:44 ` izik eidus
2008-03-04 7:31 ` [RFC] Notifier for Externally Mapped Memory (EMM) Christoph Lameter
2008-03-04 7:34 ` [Early draft] Conversion of i_mmap_lock to semaphore Christoph Lameter
2008-03-04 13:30 ` [RFC] Notifier for Externally Mapped Memory (EMM) Andrea Arcangeli
2008-03-04 19:00 ` Christoph Lameter
2008-03-04 22:20 ` Andrea Arcangeli
2008-03-04 22:35 ` Christoph Lameter
2008-03-04 22:42 ` Peter Zijlstra
2008-03-04 23:14 ` Christoph Lameter
2008-03-04 23:25 ` Peter Zijlstra
2008-03-04 23:30 ` Peter Zijlstra
2008-03-05 5:09 ` Avi Kivity
2008-03-05 9:47 ` Robin Holt
2008-03-05 9:53 ` Avi Kivity
2008-03-05 10:02 ` [kvm-devel] " Dor Laor
2008-03-07 15:17 ` [PATCH] 2/4 move all invalidate_page outside of PT lock (#v9 was 1/4) Andrea Arcangeli
2008-03-07 15:23 ` [PATCH] 3/4 combine RCU with seqlock to allow mmu notifier methods to sleep " Andrea Arcangeli
2008-03-07 15:52 ` [PATCH] 4/4 i_mmap_lock spinlock2rwsem " Andrea Arcangeli
2008-03-07 20:03 ` Christoph Lameter
2008-03-19 21:27 ` Christoph Lameter
2008-03-07 16:52 ` [PATCH] 3/4 combine RCU with seqlock to allow mmu notifier methods to sleep " Peter Zijlstra
2008-03-07 17:50 ` Andrea Arcangeli
2008-03-07 18:01 ` Peter Zijlstra
2008-03-07 18:45 ` Andrea Arcangeli
2008-03-07 19:47 ` Andrea Arcangeli
2008-03-07 20:15 ` Christoph Lameter [this message]
2008-03-07 20:12 ` Christoph Lameter
2008-03-07 20:10 ` Christoph Lameter
2008-03-07 20:00 ` Christoph Lameter
2008-03-07 19:54 ` [PATCH] 2/4 move all invalidate_page outside of PT lock " Christoph Lameter
2008-03-04 13:21 ` [PATCH] KVM swapping with mmu notifiers #v9 Andrea Arcangeli
2008-02-21 4:47 ` [patch] my mmu notifiers Nick Piggin
2008-02-20 2:49 ` Robin Holt
2008-02-27 22:56 ` Christoph Lameter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Pine.LNX.4.64.0803071213370.6815@schroedinger.engr.sgi.com \
--to=clameter@sgi.com \
--cc=a.p.zijlstra@chello.nl \
--cc=akpm@linux-foundation.org \
--cc=andrea@qumranet.com \
--cc=avi@qumranet.com \
--cc=daniel.blueman@quadrics.com \
--cc=general@lists.openfabrics.org \
--cc=holt@sgi.com \
--cc=kanojsarcar@yahoo.com \
--cc=kvm-devel@lists.sourceforge.net \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=npiggin@suse.de \
--cc=rdreier@cisco.com \
--cc=steiner@sgi.com \
--cc=swise@opengridcomputing.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).