Messages in this thread | | | Date | Thu, 20 Sep 2012 17:10:20 +0100 | From | "Jan Beulich" <> | Subject | Re: [Xen-devel] [PATCH] Persistent grant maps for xen blk drivers |
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>>> On 20.09.12 at 16:13, Oliver Chick <oliver.chick@citrix.com> wrote: > 3) Having blkback inform blkfront on startup as to how many grefs it is > willing to persistently-map. We then hit the same question again though: > what should be do if blkfront ignores this limit?
Not really - if any information coming from the backend is being ignored by the frontend, then it certainly can't expect consistent performance.
Jan
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