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 04 of 12] Moves all mmu notifier methods outside the PT lock (first and not last
Date: Wed, 23 Apr 2008 11:02:18 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0804231059300.12373@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20080423134427.GW24536@duo.random>
On Wed, 23 Apr 2008, Andrea Arcangeli wrote:
> I know you rather want to see KVM development stalled for more months
> than to get a partial solution now that already covers KVM and GRU
> with the same API that XPMEM will also use later. It's very unfair on
> your side to pretend to stall other people development if what you
> need has stronger requirements and can't be merged immediately. This
> is especially true given it was publically stated that XPMEM never
> passed all regression tests anyway, so you can't possibly be in such
> an hurry like we are, we can't progress without this. Infact we can
> but it would be an huge effort and it would run _slower_ and it would
> all need to be deleted once mmu notifiers are in.
We have had this workaround effort done years ago and have been
suffering the ill effects of pinning for years. Had to deal with
it again and again so I guess we do not matter? Certainly we have no
interest in stalling KVM development.
--
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:[~2008-04-23 18:02 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 [this message]
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
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
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.4.64.0804231059300.12373@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=general@lists.openfabrics.org \
--cc=holt@sgi.com \
--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=rusty@rustcorp.com.au \
--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).