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| author | Mitchel Humpherys <mitchelh@codeaurora.org> | 2016-06-07 11:09:44 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-01-04 14:19:00 -0800 |
| commit | 31d36a8989d1084f16b5a54fa4aa2b14eaff13d9 (patch) | |
| tree | 7e089c4a332287ff42690fbfba4d73fb3cfeb06b /tools/perf/scripts/python | |
| parent | 7c59fb5fc30011142894cd703a878868e7958cd4 (diff) | |
iommu: dma-mapping-fast: Only flush non-coherent page tables
Some SMMUs can walk page tables in the CPU cache, avoiding the need to
do cache maintenance operations on the page table memory. Don't do
cache maintenance on SMMUs with coherent page tables.
Change-Id: I47e00e72548212209b59c13a0d7d59cb0ab964ff
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions