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Re: [Xen-devel] [PATCH 2/4] block/xen_disk: remove use of grant map/unmap

On Mon, Apr 30, 2018 at 01:01:37PM +0100, Paul Durrant wrote:
> The grant copy operation was added to libxengnttab in Xen 4.8.0. If grant
> copy is available then data from the guest will be copied rather than
> mapped.
> The xen_disk source can be significantly simplified by removing this now
> redundant code.

Hm, I know this is a PITA, but FreeBSD gntdev hasn't implemented the
grant-copy operation yet.

I could try to implement it, but I can't make any promises on the time
ATM, since I'm quite busy.

Thanks, Roger.

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