[PATCH v2 1/5] iommu/mediatek: Remove for_each_m4u in tlb_sync_all

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Mon Jan 10 03:42:38 PST 2022


Il 08/12/21 13:07, Dafna Hirschfeld ha scritto:
> From: Yong Wu <yong.wu at mediatek.com>
> 
> The tlb_sync_all is called from these three functions:
> a) flush_iotlb_all: it will be called for each a iommu HW.
> b) tlb_flush_range_sync: it already has for_each_m4u.
> c) in irq: When IOMMU HW translation fault, Only need flush itself.
> 
> Thus, No need for_each_m4u in this tlb_sync_all. Remove it.
> 
> Signed-off-by: Yong Wu <yong.wu at mediatek.com>
> Reviewed-by: Dafna Hirschfeld <dafna.hirschfeld at collabora.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>



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