linux-kernel - [PATCH v4 0/2] xen: modify kernel mappings corresponding to granted pages

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Message-ID: <alpine.DEB.2.00.1109081357000.12963@kaball-desktop>
Date:	Thu, 8 Sep 2011 19:32:09 +0100
From:	Stefano Stabellini <Stefano.Stabellini@...citrix.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	Jeremy Fitzhardinge <jeremy@...p.org>,
	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	Ian Campbell <Ian.Campbell@...citrix.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>
Subject: [PATCH v4 0/2] xen: modify kernel mappings corresponding to granted
 pages

Hi all,
this is the forth version of the patch "xen: modify kernel mappings
corresponding to granted pages":

changes to v3:

- move the xen_mc_entry call in m2p_remove_override after the
xen_mc_flush call;

- use false rather than 0 as a parameter to alloc_xenballooned_pages;

- update the m2p_add_override call in blkback.c, following the new
interface;

- fix few code style issues.


Changes to v2:

- drop highmem support;

- fold the multicall patch into the main patch;

- add another patch to extend the alloc_xenballooned_pages interface
with an highmem parameter that allows the caller to explicitly request
for highmem or lowmem pages;

- modify gntdev to use lowmem pages only thanks to the new
alloc_xenballooned_pages interface.


Shortlog and diffstat follow:

Stefano Stabellini (2):
      xen: add an "highmem" parameter to alloc_xenballooned_pages
      xen: modify kernel mappings corresponding to granted pages

 arch/x86/include/asm/xen/page.h     |    5 ++-
 arch/x86/xen/p2m.c                  |   68 +++++++++++++++++++++++++++++------
 drivers/block/xen-blkback/blkback.c |    2 +-
 drivers/xen/balloon.c               |   12 ++++--
 drivers/xen/gntdev.c                |   29 ++++++++++++++-
 drivers/xen/grant-table.c           |    6 ++--
 include/xen/balloon.h               |    3 +-
 include/xen/grant_table.h           |    1 +
 8 files changed, 103 insertions(+), 23 deletions(-)


A git branch with the two patches on top of Linux 3.1 rc4 is available
here:

git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git 3.1-rc4-kernel_mappings_4

Cheers,

Stefano
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