From: William Lee Irwin III <wli@holomorphy.com>
To: Ian Pratt <Ian.Pratt@cl.cam.ac.uk>
Cc: linux-kernel@vger.kernel.org, Steven.Hand@cl.cam.ac.uk,
Christian.Limpach@cl.cam.ac.uk, Keir.Fraser@cl.cam.ac.uk
Subject: Re: [4/7] Xen VMM patch set : /dev/mem io_remap_page_range for CONFIG_XEN
Date: Fri, 19 Nov 2004 18:03:22 -0800 [thread overview]
Message-ID: <20041120020322.GB2714@holomorphy.com> (raw)
In-Reply-To: <E1CVI5c-0004bf-00@mta1.cl.cam.ac.uk>
On Fri, Nov 19, 2004 at 11:22:51PM +0000, Ian Pratt wrote:
> This patch modifies /dev/mem to call io_remap_page_range rather than
> remap_pfn_range under CONFIG_XEN. This is required because in arch
> xen we need to use a different function for mapping MMIO space vs
> mapping psueudo-physical memory. This allows the X server and other
> programs that use /dev/mem for MMIO to work under Xen.
> Signed-off-by: ian.pratt@cl.cam.ac.uk
This is safe from the io_remap_page_range() calling convention skew.
All good.
-- wli
next prev parent reply other threads:[~2004-11-20 2:05 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-19 23:16 Xen VMM patch set - take 2 Ian Pratt
2004-11-19 23:20 ` [1/7] Xen VMM patch set : add ptep_establish_new to make va available Ian Pratt
2004-11-19 23:20 ` [2/7] Xen VMM patch set : return code for arch_free_page Ian Pratt
2004-11-30 2:28 ` Andrea Arcangeli
2004-11-19 23:21 ` [3/7] Xen VMM patch set : runtime disable of VT console Ian Pratt
2004-11-19 23:22 ` [4/7] Xen VMM patch set : /dev/mem io_remap_page_range for CONFIG_XEN Ian Pratt
2004-11-20 2:03 ` William Lee Irwin III [this message]
2004-11-20 16:31 ` Christoph Hellwig
2004-11-20 18:03 ` Ian Pratt
2004-11-27 12:39 ` Ian Pratt
2004-11-27 16:51 ` Randy.Dunlap
2004-11-30 3:08 ` Andrea Arcangeli
2004-11-30 3:14 ` David S. Miller
2004-11-30 3:38 ` William Lee Irwin III
2004-11-30 8:56 ` Ian Pratt
2004-11-30 9:04 ` Arjan van de Ven
2004-11-30 12:09 ` Ian Pratt
2004-11-30 12:14 ` Arjan van de Ven
2004-11-30 12:18 ` Arjan van de Ven
2004-11-30 13:16 ` Ian Pratt
2004-11-30 18:03 ` Andrea Arcangeli
2004-12-04 23:49 ` Ian Pratt
2004-12-05 0:40 ` Andrea Arcangeli
2004-12-05 2:47 ` William Lee Irwin III
2004-11-19 23:23 ` [5/7] Xen VMM patch set : split free_irq into teardown_irq Ian Pratt
2004-11-20 16:32 ` Christoph Hellwig
2004-11-20 19:20 ` Ian Pratt
2004-11-27 12:45 ` Ian Pratt
2004-11-19 23:25 ` [6/7] Xen VMM patch set : add alloc_skb_from_cache Ian Pratt
2004-11-20 2:11 ` James Morris
2004-11-20 6:03 ` Chris Wedgwood
2004-11-20 6:47 ` David S. Miller
2004-11-20 10:28 ` Keir Fraser
2004-11-20 10:33 ` Chris Wedgwood
2004-11-19 23:28 ` [7/7] Xen VMM patch set : handle fragemented skbs correctly in icmp_filter Ian Pratt
2004-11-25 15:46 ` Xen VMM patch set - take 2 Ian Pratt
2004-11-28 17:07 ` Rik van Riel
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