RE: [Xen-devel] [PATCH] xc_map_foreign_pages(), a convenient alt

To:	"Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, "Markus Armbruster" <armbru@xxxxxxxxxx>
Subject:	RE: [Xen-devel] [PATCH] xc_map_foreign_pages(), a convenient alternative to xc_map_foreign_batch()
From:	"Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date:	Thu, 6 Sep 2007 16:49:55 +0800
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Thread-topic:	[Xen-devel] [PATCH] xc_map_foreign_pages(), a convenient alternative to xc_map_foreign_batch()

>From: Keir Fraser [mailto:Keir.Fraser@xxxxxxxxxxxx]
>Sent: 2007年9月6日 16:47
>
>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

Interesting... any example I can learn? Yes, compatibility is one concern.

Thanks,
Kevin

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RE: [Xen-devel] [PATCH] xc_map_foreign_pages(), a convenient alternative