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-rw-r--r--drivers/iommu/io-pgtable.h9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h
index 524263a..a3e6670 100644
--- a/drivers/iommu/io-pgtable.h
+++ b/drivers/iommu/io-pgtable.h
@@ -158,14 +158,12 @@ void free_io_pgtable_ops(struct io_pgtable_ops *ops);
* @fmt: The page table format.
* @cookie: An opaque token provided by the IOMMU driver and passed back to
* any callback routines.
- * @tlb_sync_pending: Private flag for optimising out redundant syncs.
* @cfg: A copy of the page table configuration.
* @ops: The page table operations in use for this set of page tables.
*/
struct io_pgtable {
enum io_pgtable_fmt fmt;
void *cookie;
- bool tlb_sync_pending;
struct io_pgtable_cfg cfg;
struct io_pgtable_ops ops;
};
@@ -175,22 +173,17 @@ 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);
}
/**
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