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Re: [PATCH v4 13/13] xen/arm: mmu: enable SMMU subsystem only in MMU


  • To: Jan Beulich <jbeulich@xxxxxxxx>
  • From: Henry Wang <Henry.Wang@xxxxxxx>
  • Date: Thu, 10 Aug 2023 08:07:55 +0000
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  • Cc: Penny Zheng <Penny.Zheng@xxxxxxx>, Paul Durrant <paul@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Chen <Wei.Chen@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
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  • Thread-topic: [PATCH v4 13/13] xen/arm: mmu: enable SMMU subsystem only in MMU

Hi Jan,

> On Aug 1, 2023, at 15:43, Jan Beulich <jbeulich@xxxxxxxx> wrote:
> 
> On 01.08.2023 05:44, Henry Wang wrote:
>> From: Penny Zheng <Penny.Zheng@xxxxxxx>
>> 
>> SMMU subsystem is only supported in MMU system, so we make it dependent
>> on CONFIG_HAS_MMU.
>> 
>> Signed-off-by: Penny Zheng <penny.zheng@xxxxxxx>
>> Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
>> Signed-off-by: Henry Wang <Henry.Wang@xxxxxxx>
> 
> While entirely Arm-specific, this looks to require a non-Arm ack:
> Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

Based on the discussion in [1], now CONFIG_HAS_MMU is agreed to be renamed
as CONFIG_MMU, I will do the renaming but I would like to confirm with you that
if I can still take your asked-by tag with such change. Thanks!

[1] 
https://lore.kernel.org/xen-devel/429625da-ec4f-448f-a0c4-47ca0f62f395@xxxxxxx/

Kind regards,
Henry

> 
> Jan




 


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