Re: [PATCH] mmu notifiers #v2

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To: Andrea Arcangeli <andrea@...>

Cc: <linux-kernel@...>, <linux-mm@...>, <kvm-devel@...>, Avi Kivity <avi@...>, Izik Eidus <izike@...>, <clameter@...>, <daniel.blueman@...>, <holt@...>, <steiner@...>, Andrew Morton <akpm@...>, Hugh Dickins <hugh@...>, Nick Piggin <npiggin@...>, Benjamin Herrenschmidt <benh@...>

Subject: Re: [PATCH] mmu notifiers #v2

Date: Wednesday, January 16, 2008 - 1:42 pm

On Sun, 13 Jan 2008 17:24:18 +0100
Andrea Arcangeli <andrea@qumranet.com> wrote:

quoted text> In my basic initial patch I only track the tlb flushes which should be
> the minimum required to have a nice linux-VM controlled swapping
> behavior of the KVM gphysical memory. 

I have a vaguely related question on KVM swapping.

Do page accesses inside KVM guests get propagated to the host
OS, so Linux can choose a reasonable page for eviction, or is
the pageout of KVM guest pages essentially random?

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Messages in current thread:

[PATCH] mmu notifiers #v2, Andrea Arcangeli, (Sun Jan 13, 12:24 pm)

Re: [PATCH] mmu notifiers #v2, Rik van Riel, (Wed Jan 16, 1:42 pm)

Re: [PATCH] mmu notifiers #v2, Izik Eidus, (Wed Jan 16, 1:48 pm)

Re: [PATCH] mmu notifiers #v2, Andrea Arcangeli, (Thu Jan 17, 12:23 pm)

Re: [PATCH] mmu notifiers #v2, Izik Eidus, (Thu Jan 17, 2:21 pm)

Re: [PATCH] mmu notifiers #v2, Andrea Arcangeli, (Thu Jan 17, 3:32 pm)

[PATCH] mmu notifiers #v3, Andrea Arcangeli, (Mon Jan 21, 8:52 am)

Re: [PATCH] mmu notifiers #v3, Peter Zijlstra, (Tue Jan 22, 3:28 pm)

Re: [PATCH] mmu notifiers #v3, Andrea Arcangeli, (Tue Jan 22, 4:31 pm)

Re: [PATCH] mmu notifiers #v3, Hugh Dickins, (Tue Jan 22, 6:10 pm)

Re: [PATCH] mmu notifiers #v3, Christoph Lameter, (Tue Jan 22, 4:31 pm)

Re: [kvm-devel] [PATCH] mmu notifiers #v3, Avi Kivity, (Tue Jan 22, 10:12 am)

Re: [kvm-devel] [PATCH] mmu notifiers #v3, Andrea Arcangeli, (Tue Jan 22, 10:43 am)

Re: [kvm-devel] [PATCH] mmu notifiers #v4, Andrea Arcangeli, (Tue Jan 22, 4:08 pm)

Enhance mmu notifiers to accomplish a lockless implementatio..., Robin Holt, (Wed Jan 23, 10:00 pm)

Re: Enhance mmu notifiers to accomplish a lockless implement..., Robin Holt, (Thu Jan 24, 12:05 am)

Re: [kvm-devel] [PATCH] export notifier #1, Christoph Lameter, (Tue Jan 22, 4:34 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Gerd Hoffmann, (Wed Jan 23, 8:51 am)

Re: [kvm-devel] [PATCH] export notifier #1, Andrea Arcangeli, (Wed Jan 23, 11:41 am)

Re: [kvm-devel] [PATCH] export notifier #1, Christoph Lameter, (Wed Jan 23, 4:40 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Gerd Hoffmann, (Wed Jan 23, 1:47 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Jeremy Fitzhardinge, (Thu Jan 24, 2:45 am)

Re: [kvm-devel] [PATCH] export notifier #1, Avi Kivity, (Thu Jan 24, 2:01 am)

Re: [kvm-devel] [PATCH] export notifier #1, Robin Holt, (Wed Jan 23, 9:19 am)

Re: [kvm-devel] [PATCH] export notifier #1, Avi Kivity, (Wed Jan 23, 10:17 am)

Re: [kvm-devel] [PATCH] export notifier #1, Benjamin Herrenschmidt, (Thu Jan 24, 12:03 am)

Re: [kvm-devel] [PATCH] export notifier #1, Gerd Hoffmann, (Wed Jan 23, 10:12 am)

Re: [kvm-devel] [PATCH] export notifier #1, Robin Holt, (Wed Jan 23, 10:18 am)

Re: [kvm-devel] [PATCH] export notifier #1, Gerd Hoffmann, (Wed Jan 23, 10:35 am)

Re: [kvm-devel] [PATCH] export notifier #1, Robin Holt, (Wed Jan 23, 11:48 am)

Re: [kvm-devel] [PATCH] export notifier #1, Benjamin Herrenschmidt, (Tue Jan 22, 7:36 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Christoph Lameter, (Tue Jan 22, 8:40 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Robin Holt, (Tue Jan 22, 9:21 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Andrea Arcangeli, (Tue Jan 22, 6:31 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Christoph Lameter, (Tue Jan 22, 6:53 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Andrea Arcangeli, (Wed Jan 23, 7:41 am)

Re: [kvm-devel] [PATCH] export notifier #1, Christoph Lameter, (Wed Jan 23, 4:18 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Andrea Arcangeli, (Thu Jan 24, 10:34 am)

Re: [kvm-devel] [PATCH] export notifier #1, Christoph Lameter, (Thu Jan 24, 4:01 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Avi Kivity, (Thu Jan 24, 11:15 am)

Re: [kvm-devel] [PATCH] export notifier #1, Avi Kivity, (Thu Jan 24, 11:18 am)

Re: [kvm-devel] [PATCH] export notifier #1, Andrea Arcangeli, (Thu Jan 24, 10:41 am)

Re: [kvm-devel] [PATCH] export notifier #1, Robin Holt, (Wed Jan 23, 8:32 am)

Re: [kvm-devel] [PATCH] export notifier #1, Andrea Arcangeli, (Wed Jan 23, 1:33 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Christoph Lameter, (Wed Jan 23, 4:27 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Andrea Arcangeli, (Thu Jan 24, 11:42 am)

Re: [kvm-devel] [PATCH] export notifier #1, Christoph Lameter, (Thu Jan 24, 4:07 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Avi Kivity, (Fri Jan 25, 2:35 am)

Re: [kvm-devel] [PATCH] export notifier #1, Avi Kivity, (Wed Jan 23, 6:27 am)

Re: [kvm-devel] [PATCH] export notifier #1, Robin Holt, (Wed Jan 23, 6:52 am)

Re: [kvm-devel] [PATCH] export notifier #1, Christoph Lameter, (Wed Jan 23, 3:47 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Avi Kivity, (Thu Jan 24, 1:56 am)

Re: [kvm-devel] [PATCH] export notifier #1, Andrea Arcangeli, (Thu Jan 24, 8:26 am)

Re: [kvm-devel] [PATCH] export notifier #1, Avi Kivity, (Thu Jan 24, 8:34 am)

Re: [kvm-devel] [PATCH] export notifier #1, Andrea Arcangeli, (Wed Jan 23, 8:04 am)

Re: [kvm-devel] [PATCH] export notifier #1, Christoph Lameter, (Wed Jan 23, 3:48 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Robin Holt, (Wed Jan 23, 3:58 pm)

Re: [kvm-devel] [PATCH] export notifier #1, Robin Holt, (Wed Jan 23, 8:34 am)

Re: [PATCH] mmu notifiers #v3, Rik van Riel, (Mon Jan 21, 10:21 pm)

Re: [PATCH] mmu notifiers #v2, Brice Goglin, (Wed Jan 16, 5:01 am)

Re: [PATCH] mmu notifiers #v2, Andrea Arcangeli, (Wed Jan 16, 6:19 am)

Re: [PATCH] mmu notifiers #v2, Christoph Lameter, (Mon Jan 14, 4:02 pm)

Re: [PATCH] mmu notifiers #v2, Andrea Arcangeli, (Tue Jan 15, 8:44 am)

Re: [PATCH] mmu notifiers #v2, Benjamin Herrenschmidt, (Tue Jan 15, 4:18 pm)

Re: [PATCH] mmu notifiers #v2, Andrea Arcangeli, (Tue Jan 15, 9:06 pm)

Re: [PATCH] mmu notifiers #v2, Benjamin Herrenschmidt, (Tue Jan 15, 12:28 am)

Re: [PATCH] mmu notifiers #v2, Benjamin Herrenschmidt, (Sun Jan 13, 5:11 pm)

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