Re: [Xen-devel] [RFC 2/2] xen/public: grant-table: Specificy the size of the grant

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 12/08/2015 08:21, Jan Beulich wrote:
> This paragraph should get "on ARM" added somewhere. There is no
> inherent requirement for such a restriction on another architecture
> Xen might get ported to; the only restriction of the current interface
> is that it can't support page sizes from 64k up. On an architecture
> e.g. not supporting other than 8k pages things would still be fine,
> yet the comment above would then be wrong.
>
> An alternative might be to say "... is always the smallest
> architecturally supported page size (e.g. 4k on x86 and ARM)
> irrespective of ...".
While this is true today, I don't see anything that would prevent a new 
architecture to respect this.
What about replacing 4KB by "Xen Page size" and define this size per 
architecture in arch-*.h?
Regards,

--
Julien Grall

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