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Re: [Xen-devel] [PATCH] xc_map_foreign_pages(),a convenient alternative to xc_map_foreign_batch()


  • To: "Tian, Kevin" <kevin.tian@xxxxxxxxx>, Markus Armbruster <armbru@xxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Thu, 06 Sep 2007 09:47:24 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 06 Sep 2007 01:48:06 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acfv2xh4NOil54xCRh+jHAGARhg8lAAe7JVAAALwKNQ=
  • Thread-topic: [Xen-devel] [PATCH] xc_map_foreign_pages(),a convenient alternative to xc_map_foreign_batch()

On 6/9/07 08:44, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote:

> Just curious why this can't be fixed in kernel driver? Is there case that
> caller is tolerable with partial mapping?

We would need an extra command in the kernel driver, as the current
partial-success semantics are used appropriately by some callers. Doing it
in libxc avoids requiring a kernel upgrade to fix this issue.

 -- Keir



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