Re: [PATCH v4 08/35] iommu/mediatek: Use kmalloc for protect buffer

[AngeloGioacchino Del Regno]

Il 25/01/22 09:56, Yong Wu ha scritto:
> No need zero for the protect buffer that is only accessed by the IOMMU HW
> translation fault happened.
>
> Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>

I would rather keep this a devm_kzalloc instead... the cost is very minimal and
this will be handy when new hardware will be introduced, as it may require a bigger
buffer: in that case, "older" platforms will use only part of it and we may get
garbage data at the end.

Regards,
Angelo