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Re: [Qemu-block] [PATCH v3 4/8] xen_backend: add an emulation of grant c
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From: |
Paul Durrant |
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Subject: |
Re: [Qemu-block] [PATCH v3 4/8] xen_backend: add an emulation of grant copy |
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Date: |
Wed, 16 May 2018 14:34:18 +0000 |
> -----Original Message-----
> From: Anthony PERARD [mailto:address@hidden
> Sent: 16 May 2018 15:31
> To: Paul Durrant <address@hidden>
> Cc: address@hidden; address@hidden; qemu-
> address@hidden; Stefano Stabellini <address@hidden>
> Subject: Re: [PATCH v3 4/8] xen_backend: add an emulation of grant copy
>
> On Fri, May 04, 2018 at 08:26:03PM +0100, Paul Durrant wrote:
> > Not all Xen environments support the xengnttab_grant_copy() operation.
> > E.g. where the OS is FreeBSD or Xen is older than 4.8.0.
> >
> > This patch introduces an emulation of that operation using
> > xengnttab_map_domain_grant_refs() and memcpy() for those
> environments.
> >
> > Signed-off-by: Paul Durrant <address@hidden>
> > ---
>
> The patch looks ok, but since patch 1 is going to be change, this one is
> going to need to be change as well.
>
Sure. Thanks for the review.
Paul
> --
> Anthony PERARD
- Re: [Qemu-block] [PATCH v3 3/8] xen: remove other open-coded use of libxengnttab, (continued)