diff options
| author | Mitchel Humpherys <mitchelh@codeaurora.org> | 2014-08-12 11:03:23 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 11:11:10 -0700 |
| commit | 1ac0dcf474288ef34f260e2372fd4dbc8a25827f (patch) | |
| tree | 7d58d1c8d78209e36ffb0ba92a24efbdb13333a2 /include/uapi/linux/patchkey.h | |
| parent | 0fd67fedf7c5e708988df216bd3a3af60670ec27 (diff) | |
iommu/arm-smmu: work around transaction hardware bug
Work around a hardware bug where some SMMUs cache invalid PTEs and mess
up the transaction logic. PTEs must be zero'd out completely rather than
just setting the last two bits to zero to work around this bug.
Change-Id: I98ac18142eda6f7817c78ab27a4850cdecf24913
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Diffstat (limited to 'include/uapi/linux/patchkey.h')
0 files changed, 0 insertions, 0 deletions