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| author | Amol Grover <[email protected]> | 2020-04-06 10:59:50 +0000 |
|---|---|---|
| committer | James Morris <[email protected]> | 2020-08-20 18:25:03 +0000 |
| commit | bc62d68e2a0a69fcdcf28aca8edb01abf306b698 (patch) | |
| tree | f0fc3b848bf3d3df26fb1ac238d084bb73e08c9b /tools/perf/scripts/python | |
| parent | Linux 5.8 (diff) | |
| download | kernel-bc62d68e2a0a69fcdcf28aca8edb01abf306b698.tar.gz kernel-bc62d68e2a0a69fcdcf28aca8edb01abf306b698.zip | |
device_cgroup: Fix RCU list debugging warning
exceptions may be traversed using list_for_each_entry_rcu()
outside of an RCU read side critical section BUT under the
protection of decgroup_mutex. Hence add the corresponding
lockdep expression to fix the following false-positive
warning:
[ 2.304417] =============================
[ 2.304418] WARNING: suspicious RCU usage
[ 2.304420] 5.5.4-stable #17 Tainted: G E
[ 2.304422] -----------------------------
[ 2.304424] security/device_cgroup.c:355 RCU-list traversed in non-reader section!!
Signed-off-by: Amol Grover <[email protected]>
Signed-off-by: James Morris <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions