From: Christoph Lameter <clameter@sgi.com>
To: Robin Holt <holt@sgi.com>
Cc: Andrea Arcangeli <andrea@qumranet.com>,
Avi Kivity <avi@qumranet.com>, Izik Eidus <izike@qumranet.com>,
kvm-devel@lists.sourceforge.net,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
steiner@sgi.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, daniel.blueman@quadrics.com
Subject: Re: [patch 1/3] mmu_notifier: Core code
Date: Thu, 31 Jan 2008 19:58:40 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0801311957250.17649@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20080201035249.GE26420@sgi.com>
On Thu, 31 Jan 2008, Robin Holt wrote:
> > + void (*invalidate_range_end)(struct mmu_notifier *mn,
> > + struct mm_struct *mm, int atomic);
>
> I think we need to pass in the same start-end here as well. Without it,
> the first invalidate_range would have to block faulting for all addresses
> and would need to remain blocked until the last invalidate_range has
> completed. While this would work, (and will probably be how we implement
> it for the short term), it is far from ideal.
Ok. Andrea wanted the same because then he can void the begin callouts.
The problem is that you would have to track the start-end addres right?
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next prev parent reply other threads:[~2008-02-01 3:58 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-31 4:57 [patch 0/3] [RFC] MMU Notifiers V4 Christoph Lameter
2008-01-31 4:57 ` [patch 1/3] mmu_notifier: Core code Christoph Lameter
2008-02-01 1:56 ` Jack Steiner
2008-02-01 2:24 ` Robin Holt
2008-02-01 2:37 ` Jack Steiner
2008-02-01 2:39 ` Christoph Lameter
2008-02-01 2:31 ` Robin Holt
2008-02-01 2:39 ` Christoph Lameter
2008-02-01 2:47 ` Robin Holt
2008-02-01 3:01 ` Christoph Lameter
2008-02-01 3:01 ` Jack Steiner
2008-02-01 3:03 ` Christoph Lameter
2008-02-01 3:52 ` Robin Holt
2008-02-01 3:58 ` Christoph Lameter [this message]
2008-02-01 4:15 ` Robin Holt
2008-02-03 1:33 ` Andrea Arcangeli
2008-02-04 19:13 ` Christoph Lameter
2008-01-31 4:57 ` [patch 2/3] mmu_notifier: Callbacks to invalidate address ranges Christoph Lameter
2008-01-31 12:31 ` Andrea Arcangeli
2008-01-31 20:07 ` Christoph Lameter
2008-01-31 22:01 ` mmu_notifier: close hole in fork Christoph Lameter
2008-01-31 22:16 ` mmu_notifier: reduce size of mm_struct if !CONFIG_MMU_NOTIFIER Christoph Lameter
2008-01-31 22:21 ` mmu_notifier: Move mmu_notifier_release up to get rid of the invalidat_all() callback Christoph Lameter
2008-02-01 0:13 ` Andrea Arcangeli
2008-02-01 1:52 ` Christoph Lameter
2008-02-01 1:57 ` mmu_notifier: invalidate_range for move_page_tables Christoph Lameter
2008-02-01 2:38 ` Robin Holt
2008-02-01 2:41 ` Christoph Lameter
2008-02-01 0:01 ` mmu_notifier: close hole in fork Andrea Arcangeli
2008-02-01 1:48 ` Christoph Lameter
2008-02-01 4:24 ` [patch 2/3] mmu_notifier: Callbacks to invalidate address ranges Robin Holt
2008-02-01 4:43 ` Christoph Lameter
2008-02-01 10:32 ` Robin Holt
2008-02-01 10:37 ` Robin Holt
2008-02-01 19:13 ` Christoph Lameter
2008-01-31 4:57 ` [patch 3/3] mmu_notifier: invalidate_page callbacks Christoph Lameter
2008-01-31 17:18 ` [PATCH] mmu notifiers #v5 Andrea Arcangeli
2008-01-31 20:18 ` Christoph Lameter
2008-01-31 23:09 ` Christoph Lameter
2008-01-31 23:41 ` Andrea Arcangeli
2008-02-01 1:44 ` Christoph Lameter
2008-02-01 12:09 ` Andrea Arcangeli
2008-02-01 19:23 ` Christoph Lameter
2008-02-03 2:17 ` Andrea Arcangeli
2008-02-03 3:14 ` Jack Steiner
2008-02-03 3:33 ` Andrea Arcangeli
2008-02-04 19:09 ` Christoph Lameter
2008-02-05 5:25 ` Andrea Arcangeli
2008-02-05 6:11 ` Christoph Lameter
2008-02-05 18:08 ` Andrea Arcangeli
2008-02-05 18:17 ` Christoph Lameter
2008-02-05 20:55 ` Andrea Arcangeli
2008-02-05 22:06 ` Christoph Lameter
2008-02-05 22:12 ` Robin Holt
2008-02-05 22:26 ` Andrea Arcangeli
2008-02-05 23:10 ` Christoph Lameter
2008-02-05 23:47 ` Andrea Arcangeli
2008-02-06 0:04 ` Christoph Lameter
2008-01-31 23:28 ` Andrea Arcangeli
2008-02-01 1:37 ` Christoph Lameter
2008-02-01 2:23 ` Robin Holt
2008-02-01 2:26 ` Christoph Lameter
2008-02-01 12:00 ` Andrea Arcangeli
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