This member is unused now, because the previous patches ensured that each unmap will always be followed by tlb sync operation.
By the way, ->tlb_flush_all executes tlb_sync by itself. Signed-off-by: Zhen Lei <thunder.leiz...@huawei.com> --- drivers/iommu/io-pgtable.h | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h index 7b3fc04..43ddf1f 100644 --- a/drivers/iommu/io-pgtable.h +++ b/drivers/iommu/io-pgtable.h @@ -166,7 +166,6 @@ void free_io_pgtable_ops(struct io_pgtable_ops *ops); struct io_pgtable { enum io_pgtable_fmt fmt; void *cookie; - bool tlb_sync_pending; struct io_pgtable_cfg cfg; struct io_pgtable_ops ops; }; @@ -176,22 +175,17 @@ struct io_pgtable { static inline void io_pgtable_tlb_flush_all(struct io_pgtable *iop) { iop->cfg.tlb->tlb_flush_all(iop->cookie); - iop->tlb_sync_pending = true; } static inline void io_pgtable_tlb_add_flush(struct io_pgtable *iop, unsigned long iova, size_t size, size_t granule, bool leaf) { iop->cfg.tlb->tlb_add_flush(iova, size, granule, leaf, iop->cookie); - iop->tlb_sync_pending = true; } static inline void io_pgtable_tlb_sync(struct io_pgtable *iop) { - if (iop->tlb_sync_pending) { - iop->cfg.tlb->tlb_sync(iop->cookie); - iop->tlb_sync_pending = false; - } + iop->cfg.tlb->tlb_sync(iop->cookie); } /** -- 2.5.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu