Re: [PATCH v4 08/35] iommu/mediatek: Use kmalloc for protect buffer
From: AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>
Date: 2022-01-27 11:08:28
Also in:
linux-arm-kernel, linux-iommu, linux-mediatek, lkml
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@mediatek.com>
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