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iommu/vt-d: Don't switch off swiotlb if bounce page is used
authorLu Baolu <[email protected]>
Fri, 6 Sep 2019 06:14:50 +0000 (14:14 +0800)
committerJoerg Roedel <[email protected]>
Wed, 11 Sep 2019 10:34:30 +0000 (12:34 +0200)
commitc5a5dc4cbbf4540c1891cdb2b70cf469405ea61f
treec8b80048b72d9094a9b92d4aa4c9de33cf60f2c2tree | snapshot
parente5e04d051979dbd636a99099b7a595093c50a4bccommit | diff
iommu/vt-d: Don't switch off swiotlb if bounce page is used

The bounce page implementation depends on swiotlb. Hence, don't
switch off swiotlb if the system has untrusted devices or could
potentially be hot-added with any untrusted devices.

Cc: Ashok Raj <[email protected]>
Cc: Jacob Pan <[email protected]>
Cc: Kevin Tian <[email protected]>
Signed-off-by: Lu Baolu <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Joerg Roedel <[email protected]>
drivers/iommu/Kconfig diff | blob | blame | history
drivers/iommu/intel-iommu.c diff | blob | blame | history
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