[Xen-devel] [PATCH v2 09/20] xen/biomerge: Don't allow biovec to be merge when Linux is not using 4KB page

Julien Grall julien.grall at citrix.com
Fri Jul 17 07:44:37 PDT 2015

On 17/07/15 14:20, Stefano Stabellini wrote:
> We would have to run some benchmarks, but I think it would still be a
> win. We should write an ad-hoc __pfn_to_mfn translation function that
> operates on a range of pfns and simply checks whether an entry is
> present in that range. It should be just as fast as __pfn_to_mfn. I
> would definitely recommend it.

I'd like to see a basic support of 64KB support on Xen pushed in Linux
upstream before looking to possible improvement in the code. Can we
defer this as the follow-up of this series?


Julien Grall

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