Re: [PATCH v2] Improve docs for IOCTL_GNTDEV_MAP_GRANT_REF

[Juergen Gross]

On 31.01.22 18:23, Demi Marie Obenour wrote:
> The current implementation of gntdev guarantees that the first call to
> IOCTL_GNTDEV_MAP_GRANT_REF will set @index to 0.  This is required to
> use gntdev for Wayland, which is a future desire of Qubes OS.
> Additionally, requesting zero grants results in an error, but this was
> not documented either.  Document both of these.
>
> Signed-off-by: Demi Marie Obenour <demiobenour@xxxxxxxxx>

Pushed to xen/tip.git for-linus-5.17a


Juergen

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