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| author | Dmitry Osipenko <digetx@gmail.com> | 2018-04-09 22:07:19 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2018-05-03 16:30:21 +0200 |
| commit | 40c9b882fa74771544b0e41209e99d78685f94be (patch) | |
| tree | 67d03a5173c67e8b156af51de4ba6f786d5685ef /.cocciconfig | |
| parent | Linux v4.17-rc3 (diff) | |
| download | linux-40c9b882fa74771544b0e41209e99d78685f94be.tar.xz linux-40c9b882fa74771544b0e41209e99d78685f94be.zip | |
iommu/tegra: gart: Add debugging facility
Page mapping could overwritten by an accident (a bug). We can catch this
case by checking 'VALID' bit of GART's page entry prior to mapping of a
page. Since that check introduces a small performance impact, it should be
enabled explicitly using new GART's kernel module 'debug' parameter.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to '.cocciconfig')
0 files changed, 0 insertions, 0 deletions