Messages in this thread Patch in this message | | | From | Lu Baolu <> | Subject | [PATCH v2 09/11] iommu/vt-d: Remove commented code | Date | Mon, 14 Feb 2022 10:57:02 +0800 |
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This removes unnecessary commented code.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> --- 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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