Re: [Xen-devel] [PATCH v1] displif: add ABI for para-virtual display

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 22.12.16 at 09:12, <andr2000@xxxxxxxxx> wrote:
> +struct xendispl_pg_flip_evt {
> +    uint64_t fb_cookie;

Considering that apparently all operations have this cookie, I think
it would better go ...

> +};
> +
> +struct xendispl_req {
> +    uint16_t id;
> +    uint8_t operation;
> +    uint8_t reserved[5];

... here.

Other than that the primary thing I'm missing (as I think I've
mentioned elsewhere already) is a rationale of why this new
protocol is needed (and the existing xenfb one can't be extended).

Jan


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