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| author | Dmitry Osipenko <digetx@gmail.com> | 2017-06-15 02:18:36 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2017-06-15 14:23:18 +0200 |
| commit | ef81624994845a50e90c6a0ff57f17d1c96bff78 (patch) | |
| tree | 0e485b0460c8235819ffea99e2a9672384c52cf5 /include/linux/host1x.h | |
| parent | 571cbf70c117664d142b34fa2b3b915d8374a327 (diff) | |
| download | lwn-ef81624994845a50e90c6a0ff57f17d1c96bff78.tar.gz lwn-ef81624994845a50e90c6a0ff57f17d1c96bff78.zip | |
gpu: host1x: Forbid RESTART opcode in the firewall
The RESTART opcode terminates the gather and restarts the CDMA fetching
from a specified word << 2 relative to the CDMA start address. That
shouldn't be allowed to be done by userspace.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Erik Faye-Lund <kusmabite@gmail.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'include/linux/host1x.h')
0 files changed, 0 insertions, 0 deletions