On Wed, 2019-10-23 at 17:52 +0100, Will Deacon wrote:
> On Wed, Oct 16, 2019 at 11:33:07AM +0800, Yong Wu wrote:
> > The commit 4d689b619445 ("iommu/io-pgtable-arm-v7s: Convert to IOMMU API
> > TLB sync") help move the tlb_sync of unmap from v7s into the iommu
> > framework. It helps add a new func
On Wed, Oct 16, 2019 at 11:33:07AM +0800, Yong Wu wrote:
> The commit 4d689b619445 ("iommu/io-pgtable-arm-v7s: Convert to IOMMU API
> TLB sync") help move the tlb_sync of unmap from v7s into the iommu
> framework. It helps add a new function "mtk_iommu_iotlb_sync", But it
> lacked the lock, then it
The commit 4d689b619445 ("iommu/io-pgtable-arm-v7s: Convert to IOMMU API
TLB sync") help move the tlb_sync of unmap from v7s into the iommu
framework. It helps add a new function "mtk_iommu_iotlb_sync", But it
lacked the lock, then it will cause the variable "tlb_flush_active"
may be changed unexpe