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Re: [Xen-devel] [PATCH] Use a single mmap interface in libxc

To: Patrick Colp <Patrick.Colp@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] Use a single mmap interface in libxc
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Mon, 20 Jul 2009 10:38:08 +0100
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Thread-topic: [Xen-devel] [PATCH] Use a single mmap interface in libxc
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On 20/07/2009 10:27, "Patrick Colp" <Patrick.Colp@xxxxxxxxxx> wrote:

> # HG changeset patch
> # User Patrick Colp <Patrick.Colp@xxxxxxxxxx>
> # Date 1248081941 -3600
> # Node ID 8e1301247d784ffb98b0721d9f6f46daa0640af1
> # Parent  91407452cdb62f427c74e227956dc34a107cab46
> Use a single mmap interface in libxc.
> This patch modifies xc_map_foreign_range and xc_map_foreign_ranges to call
> mmap_map_foreign_batch. This eliminates the need for multiple privcmd mmap
> ioctls. Now only IOCTL_PRIVCMD_MMAPBATCH is required.

Some explanation of why this is a useful improvement would be nice.

 -- Keir

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