All of lore.kernel.org
 help / color / mirror / Atom feed
From: Robin Holt <holt@sgi.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: Robin Holt <holt@sgi.com>, Andrea Arcangeli <andrea@qumranet.com>,
	akpm@linux-foundation.org, Nick Piggin <npiggin@suse.de>,
	Steve Wise <swise@opengridcomputing.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	linux-mm@kvack.org, Kanoj Sarcar <kanojsarcar@yahoo.com>,
	Roland Dreier <rdreier@cisco.com>, Jack Steiner <steiner@sgi.com>,
	linux-kernel@vger.kernel.org, Avi Kivity <avi@qumranet.com>,
	kvm-devel@lists.sourceforge.net, general@lists.openfabrics.org,
	Hugh Dickins <hugh@veritas.com>
Subject: Re: [PATCH 1 of 9] Lock the entire mm to prevent any mmu related operation to happen
Date: Wed, 16 Apr 2008 14:02:13 -0500	[thread overview]
Message-ID: <20080416190213.GK22493@sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0804161134360.12296@schroedinger.engr.sgi.com>

On Wed, Apr 16, 2008 at 11:35:38AM -0700, Christoph Lameter wrote:
> On Wed, 16 Apr 2008, Robin Holt wrote:
> 
> > I don't think this lock mechanism is completely working.  I have
> > gotten a few failures trying to dereference 0x100100 which appears to
> > be LIST_POISON1.
> 
> How does xpmem unregistering of notifiers work?

For the tests I have been running, we are waiting for the release
callout as part of exit.

Thanks,
Robin

WARNING: multiple messages have this Message-ID (diff)
From: Robin Holt <holt@sgi.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: Nick Piggin <npiggin@suse.de>, Jack Steiner <steiner@sgi.com>,
	Andrea Arcangeli <andrea@qumranet.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
Subject: Re: [PATCH 1 of 9] Lock the entire mm to prevent any mmu related	operation to happen
Date: Wed, 16 Apr 2008 14:02:13 -0500	[thread overview]
Message-ID: <20080416190213.GK22493@sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0804161134360.12296@schroedinger.engr.sgi.com>

On Wed, Apr 16, 2008 at 11:35:38AM -0700, Christoph Lameter wrote:
> On Wed, 16 Apr 2008, Robin Holt wrote:
> 
> > I don't think this lock mechanism is completely working.  I have
> > gotten a few failures trying to dereference 0x100100 which appears to
> > be LIST_POISON1.
> 
> How does xpmem unregistering of notifiers work?

For the tests I have been running, we are waiting for the release
callout as part of exit.

Thanks,
Robin

-------------------------------------------------------------------------
This SF.net email is sponsored by the 2008 JavaOne(SM) Conference 
Don't miss this year's exciting event. There's still time to save $100. 
Use priority code J8TL2D2. 
http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone

WARNING: multiple messages have this Message-ID (diff)
From: Robin Holt <holt@sgi.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: Robin Holt <holt@sgi.com>, Andrea Arcangeli <andrea@qumranet.com>,
	akpm@linux-foundation.org, Nick Piggin <npiggin@suse.de>,
	Steve Wise <swise@opengridcomputing.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	linux-mm@kvack.org, Kanoj Sarcar <kanojsarcar@yahoo.com>,
	Roland Dreier <rdreier@cisco.com>, Jack Steiner <steiner@sgi.com>,
	linux-kernel@vger.kernel.org, Avi Kivity <avi@qumranet.com>,
	kvm-devel@lists.sourceforge.net, general@lists.openfabrics.org,
	Hugh Dickins <hugh@veritas.com>
Subject: Re: [PATCH 1 of 9] Lock the entire mm to prevent any mmu related operation to happen
Date: Wed, 16 Apr 2008 14:02:13 -0500	[thread overview]
Message-ID: <20080416190213.GK22493@sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0804161134360.12296@schroedinger.engr.sgi.com>

On Wed, Apr 16, 2008 at 11:35:38AM -0700, Christoph Lameter wrote:
> On Wed, 16 Apr 2008, Robin Holt wrote:
> 
> > I don't think this lock mechanism is completely working.  I have
> > gotten a few failures trying to dereference 0x100100 which appears to
> > be LIST_POISON1.
> 
> How does xpmem unregistering of notifiers work?

For the tests I have been running, we are waiting for the release
callout as part of exit.

Thanks,
Robin

--
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>

  reply	other threads:[~2008-04-16 19:02 UTC|newest]

Thread overview: 125+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-08 15:44 [PATCH 0 of 9] mmu notifier #v12 Andrea Arcangeli
2008-04-08 15:44 ` Andrea Arcangeli
2008-04-08 15:44 ` [ofa-general] " Andrea Arcangeli
2008-04-08 15:44 ` [PATCH 1 of 9] Lock the entire mm to prevent any mmu related operation to happen Andrea Arcangeli
2008-04-08 15:44   ` Andrea Arcangeli
2008-04-08 15:44   ` [ofa-general] " Andrea Arcangeli
2008-04-16 16:33   ` Robin Holt
2008-04-16 16:33     ` Robin Holt
2008-04-16 16:33     ` [ofa-general] " Robin Holt
2008-04-16 18:35     ` Christoph Lameter
2008-04-16 18:35       ` Christoph Lameter
2008-04-16 18:35       ` [ofa-general] " Christoph Lameter
2008-04-16 19:02       ` Robin Holt [this message]
2008-04-16 19:02         ` Robin Holt
2008-04-16 19:02         ` Robin Holt
2008-04-16 19:15         ` Christoph Lameter
2008-04-16 19:15           ` Christoph Lameter
2008-04-16 19:15           ` [ofa-general] " Christoph Lameter
2008-04-17 11:14           ` Robin Holt
2008-04-17 11:14             ` Robin Holt
2008-04-17 11:14             ` [ofa-general] " Robin Holt
2008-04-17 15:51       ` Andrea Arcangeli
2008-04-17 15:51         ` Andrea Arcangeli
2008-04-17 16:36         ` Robin Holt
2008-04-17 16:36           ` Robin Holt
2008-04-17 17:14           ` Andrea Arcangeli
2008-04-17 17:14             ` Andrea Arcangeli
2008-04-17 17:14             ` Andrea Arcangeli
2008-04-17 17:25             ` Robin Holt
2008-04-17 17:25               ` Robin Holt
2008-04-17 17:25               ` [ofa-general] " Robin Holt
2008-04-17 19:10             ` Christoph Lameter
2008-04-17 19:10               ` Christoph Lameter
2008-04-17 22:16               ` Andrea Arcangeli
2008-04-17 22:16                 ` Andrea Arcangeli
2008-04-17 22:16                 ` [ofa-general] " Andrea Arcangeli
2008-04-22  5:06   ` Rusty Russell
2008-04-22  5:06     ` Rusty Russell
2008-04-22  5:06     ` Rusty Russell
2008-04-25 16:56     ` Andrea Arcangeli
2008-04-25 16:56       ` Andrea Arcangeli
2008-04-25 17:04       ` Andrea Arcangeli
2008-04-25 17:04         ` Andrea Arcangeli
2008-04-25 19:25       ` Robin Holt
2008-04-25 19:25         ` Robin Holt
2008-04-25 19:25         ` [ofa-general] " Robin Holt
2008-04-26  0:57         ` Andrea Arcangeli
2008-04-26  0:57           ` Andrea Arcangeli
2008-04-26  0:57           ` Andrea Arcangeli
2008-04-08 15:44 ` [PATCH 2 of 9] Core of mmu notifiers Andrea Arcangeli
2008-04-08 15:44   ` Andrea Arcangeli
2008-04-08 15:44   ` [ofa-general] " Andrea Arcangeli
2008-04-08 16:26   ` Robin Holt
2008-04-08 16:26     ` Robin Holt
2008-04-08 16:26     ` [ofa-general] " Robin Holt
2008-04-08 17:05     ` Andrea Arcangeli
2008-04-08 17:05       ` Andrea Arcangeli
2008-04-14 19:57   ` Christoph Lameter
2008-04-14 19:57     ` Christoph Lameter
2008-04-14 19:57     ` [ofa-general] " Christoph Lameter
2008-04-14 19:59   ` Christoph Lameter
2008-04-14 19:59     ` Christoph Lameter
2008-04-14 19:59     ` Christoph Lameter
2008-04-08 15:44 ` [PATCH 3 of 9] Moves all mmu notifier methods outside the PT lock (first and not last Andrea Arcangeli
2008-04-08 15:44   ` Andrea Arcangeli
2008-04-08 15:44   ` [ofa-general] " Andrea Arcangeli
2008-04-14 19:57   ` Christoph Lameter
2008-04-14 19:57     ` Christoph Lameter
2008-04-14 19:57     ` Christoph Lameter
2008-04-08 15:44 ` [PATCH 4 of 9] Move the tlb flushing into free_pgtables. The conversion of the locks Andrea Arcangeli
2008-04-08 15:44   ` Andrea Arcangeli
2008-04-08 15:44   ` [ofa-general] " Andrea Arcangeli
2008-04-08 15:44 ` [PATCH 5 of 9] The conversion to a rwsem allows callbacks during rmap traversal Andrea Arcangeli
2008-04-08 15:44   ` Andrea Arcangeli
2008-04-08 15:44   ` [ofa-general] " Andrea Arcangeli
2008-04-08 15:44 ` [PATCH 6 of 9] We no longer abort unmapping in unmap vmas because we can reschedule while Andrea Arcangeli
2008-04-08 15:44   ` Andrea Arcangeli
2008-04-08 15:44   ` [ofa-general] " Andrea Arcangeli
2008-04-08 15:44 ` [PATCH 7 of 9] Convert the anon_vma spinlock to a rw semaphore. This allows concurrent Andrea Arcangeli
2008-04-08 15:44   ` Andrea Arcangeli
2008-04-08 15:44   ` [ofa-general] " Andrea Arcangeli
2008-04-08 15:44 ` [PATCH 8 of 9] XPMEM would have used sys_madvise() except that madvise_dontneed() Andrea Arcangeli
2008-04-08 15:44   ` Andrea Arcangeli
2008-04-08 15:44   ` [ofa-general] " Andrea Arcangeli
2008-04-08 15:44 ` [PATCH 9 of 9] This patch adds a lock ordering rule to avoid a potential deadlock when Andrea Arcangeli
2008-04-08 15:44   ` Andrea Arcangeli
2008-04-08 15:44   ` [ofa-general] " Andrea Arcangeli
2008-04-08 21:46 ` [PATCH 0 of 9] mmu notifier #v12 Avi Kivity
2008-04-08 21:46   ` Avi Kivity
2008-04-08 21:46   ` [ofa-general] " Avi Kivity
2008-04-08 22:06   ` Andrea Arcangeli
2008-04-08 22:06     ` Andrea Arcangeli
2008-04-08 22:06     ` [ofa-general] " Andrea Arcangeli
2008-04-09 13:17 ` Robin Holt
2008-04-09 13:17   ` Robin Holt
2008-04-09 13:17   ` [ofa-general] " Robin Holt
2008-04-09 14:44   ` Andrea Arcangeli
2008-04-09 14:44     ` Andrea Arcangeli
2008-04-09 14:44     ` [ofa-general] " Andrea Arcangeli
2008-04-09 18:55     ` Robin Holt
2008-04-09 18:55       ` Robin Holt
2008-04-09 18:55       ` [ofa-general] " Robin Holt
2008-04-22  7:20       ` Andrea Arcangeli
2008-04-22  7:20         ` Andrea Arcangeli
2008-04-22  7:20         ` [ofa-general] " Andrea Arcangeli
2008-04-22 12:00         ` Andrea Arcangeli
2008-04-22 12:00           ` Andrea Arcangeli
2008-04-22 12:00           ` [ofa-general] " Andrea Arcangeli
2008-04-22 13:01           ` Robin Holt
2008-04-22 13:01             ` Robin Holt
2008-04-22 13:01             ` [ofa-general] " Robin Holt
2008-04-22 13:21             ` Andrea Arcangeli
2008-04-22 13:21               ` Andrea Arcangeli
2008-04-22 13:21               ` [ofa-general] " Andrea Arcangeli
2008-04-22 13:36               ` Robin Holt
2008-04-22 13:36                 ` Robin Holt
2008-04-22 13:36                 ` [ofa-general] " Robin Holt
2008-04-22 13:48                 ` Andrea Arcangeli
2008-04-22 13:48                   ` Andrea Arcangeli
2008-04-22 13:48                   ` Andrea Arcangeli
2008-04-22 15:26                   ` Robin Holt
2008-04-22 15:26                     ` Robin Holt
2008-04-14 23:09 ` Christoph Lameter
2008-04-14 23:09   ` Christoph Lameter
2008-04-14 23:09   ` [ofa-general] " 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=20080416190213.GK22493@sgi.com \
    --to=holt@sgi.com \
    --cc=a.p.zijlstra@chello.nl \
    --cc=akpm@linux-foundation.org \
    --cc=andrea@qumranet.com \
    --cc=avi@qumranet.com \
    --cc=clameter@sgi.com \
    --cc=general@lists.openfabrics.org \
    --cc=hugh@veritas.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.