| commit | 27790398c2aed917828dc3c6f81240d57f1584c9 | [log] [tgz] |
|---|---|---|
| author | Scott Wood <swood@redhat.com> | Sun Jan 21 03:28:54 2018 -0600 |
| committer | Joerg Roedel <jroedel@suse.de> | Tue Feb 13 14:18:06 2018 +0100 |
| tree | e10672afbc28616d10901241df5bcec458c7bb94 | |
| parent | 7928b2cbe55b2a410a0f5c1f154610059c57b1b2 [diff] |
iommu/amd: Use raw locks on atomic context paths Several functions in this driver are called from atomic context, and thus raw locks must be used in order to be safe on PREEMPT_RT. This includes paths that must wait for command completion, which is a potential PREEMPT_RT latency concern but not easily avoidable. Signed-off-by: Scott Wood <swood@redhat.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>