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Re: [PATCH v5 4/4] xen/mm: Provide dummy M2P-related helpers when the M2P is not supported
- To: Julien Grall <julien@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 5 Jul 2021 11:15:11 +0200
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- Cc: Julien Grall <julien.grall@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 05 Jul 2021 09:15:24 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 03.07.2021 19:11, Julien Grall wrote:
> From: Julien Grall <julien.grall@xxxxxxx>
>
> At the moment, Arm is providing a dummy implementation for the M2P
> helpers used in common code. However, they are quite isolated and could
> be used by other architecture in the future. So move the helpers
> necessary for compilation in xen/mm.h and gate them with a new config
> !HAS_M2P. The other M2P related helpers are removed.
>
> Take the opportunity to encode that CONFIG_MEM_SHARING requires
> the M2P. It is done in the header rather than the Kconfig because
> the option is not defined in the common Kconfig.
>
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
With the other Kconfig hunk moved here (from the earlier patch)
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Jan
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