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| author | Marco Elver <elver@google.com> | 2020-06-18 12:31:18 +0300 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-06-29 22:04:48 +0300 |
| commit | 61d56d7aa5eca3b909bce51ba8125b0fa44d7e17 (patch) | |
| tree | d3bf5b8c4209bbe7212524bf01418ea0b0c3d215 /Documentation/dev-tools | |
| parent | 2839a232071f588d334543fb86f5689b43353842 (diff) | |
| download | linux-61d56d7aa5eca3b909bce51ba8125b0fa44d7e17.tar.xz | |
kcsan: Disable branch tracing in core runtime
Disable branch tracing in core KCSAN runtime if branches are being
traced (TRACE_BRANCH_PROFILING). This it to avoid its performance
impact, but also avoid recursion in case KCSAN is enabled for the branch
tracing runtime.
The latter had already been a problem for KASAN:
https://lore.kernel.org/lkml/CANpmjNOeXmD5E3O50Z3MjkiuCYaYOPyi+1rq=GZvEKwBvLR0Ug@mail.gmail.com/
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'Documentation/dev-tools')
0 files changed, 0 insertions, 0 deletions