This removes unnecessary commented code.
Signed-off-by: Lu Baolu <[email protected]>
---
drivers/iommu/intel/iommu.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index d7fac0a1761d..fb17ed8c08f3 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -1407,15 +1407,7 @@ static void __iommu_flush_iotlb(struct intel_iommu
*iommu, u16 did,
default:
BUG();
}
- /* Note: set drain read/write */
-#if 0
- /*
- * This is probably to be super secure.. Looks like we can
- * ignore it without any impact.
- */
- if (cap_read_drain(iommu->cap))
- val |= DMA_TLB_READ_DRAIN;
-#endif
+
if (cap_write_drain(iommu->cap))
val |= DMA_TLB_WRITE_DRAIN;
--
2.25.1
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