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From: Hugh Dickins <hugh@veritas.com>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
	Rusty Russell <rusty@rustcorp.com.au>,
	virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, virtualization@lists.osdl.org,
	akpm@osdl.org, frankeh@watson.ibm.com, riel@redhat.com
Subject: Re: [patch 0/6] Guest page hinting version 7.
Date: Thu, 2 Apr 2009 20:27:21 +0100 (BST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0904022016180.29625@blonde.anvils> (raw)
In-Reply-To: <20090402175249.3c4a6d59@skybase>

On Thu, 2 Apr 2009, Martin Schwidefsky wrote:
> On Thu, 2 Apr 2009 22:32:00 +1100
> Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> 
> > I still think this needs much more justification.
>  
> Ok, I can understand that. We probably need a KVM based version to show
> that benefits exist on non-s390 hardware as well.

That would indeed help your cause enormously (I think I made the same
point last time).  All these complex transitions, added to benefit only
an architecture to which few developers have access, asks for trouble -
we mm hackers already get caught out often enough by your
too-well-camouflaged page_test_dirty().

Hugh

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      parent reply	other threads:[~2009-04-02 19:27 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-27 15:09 [patch 0/6] Guest page hinting version 7 Martin Schwidefsky
2009-03-27 15:09 ` [patch 1/6] Guest page hinting: core + volatile page cache Martin Schwidefsky
2009-03-27 22:57   ` Rik van Riel
2009-03-29 13:56     ` Martin Schwidefsky
2009-03-29 14:35       ` Rik van Riel
2009-03-27 15:09 ` [patch 2/6] Guest page hinting: volatile swap cache Martin Schwidefsky
2009-04-01  2:10   ` Rik van Riel
2009-04-01  8:13     ` Martin Schwidefsky
2009-03-27 15:09 ` [patch 3/6] Guest page hinting: mlocked pages Martin Schwidefsky
2009-04-01  2:52   ` Rik van Riel
2009-04-01  8:13     ` Martin Schwidefsky
2009-03-27 15:09 ` [patch 4/6] Guest page hinting: writable page table entries Martin Schwidefsky
2009-04-01 13:25   ` Rik van Riel
2009-04-01 14:36     ` Martin Schwidefsky
2009-04-01 14:45       ` Rik van Riel
2009-03-27 15:09 ` [patch 5/6] Guest page hinting: minor fault optimization Martin Schwidefsky
2009-04-01 15:33   ` Rik van Riel
2009-03-27 15:09 ` [patch 6/6] Guest page hinting: s390 support Martin Schwidefsky
2009-04-01 16:18   ` Rik van Riel
2009-03-27 23:03 ` [patch 0/6] Guest page hinting version 7 Dave Hansen
2009-03-28  0:06   ` Rik van Riel
2009-03-29 14:20     ` Martin Schwidefsky
2009-03-29 14:38       ` Rik van Riel
2009-03-29 14:12   ` Martin Schwidefsky
2009-03-30 15:54     ` Dave Hansen
2009-03-30 16:34       ` Martin Schwidefsky
2009-03-30 18:37       ` Jeremy Fitzhardinge
2009-03-30 18:42         ` Rik van Riel
2009-03-30 18:59           ` Jeremy Fitzhardinge
2009-03-30 20:02             ` Rik van Riel
2009-03-30 20:35               ` Jeremy Fitzhardinge
2009-03-30 21:38                 ` Dor Laor
2009-03-30 22:16                   ` Izik Eidus
2009-03-28  6:35 ` Rusty Russell
2009-03-29 14:23   ` Martin Schwidefsky
2009-04-02 11:32     ` Nick Piggin
2009-04-02 15:52       ` Martin Schwidefsky
2009-04-02 16:18         ` Jeremy Fitzhardinge
2009-04-02 16:23         ` Nick Piggin
2009-04-02 19:06         ` Rik van Riel
2009-04-02 19:22           ` Nick Piggin
2009-04-02 20:05             ` Rik van Riel
2009-04-03  0:50               ` Jeremy Fitzhardinge
2009-04-02 19:58           ` Jeremy Fitzhardinge
2009-04-02 20:14             ` Rik van Riel
2009-04-02 20:34               ` Jeremy Fitzhardinge
2009-04-03  8:49                 ` Martin Schwidefsky
2009-04-03 18:19                   ` Jeremy Fitzhardinge
2009-04-06  7:21                     ` Martin Schwidefsky
2009-04-06  7:32                       ` Nick Piggin
2009-04-06 19:23                       ` Jeremy Fitzhardinge
2009-04-02 19:27         ` Hugh Dickins [this message]

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