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| author | Namhyung Kim <namhyung@kernel.org> | 2023-02-06 16:24:03 -0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-02-08 10:35:17 -0300 |
| commit | 1bece1351c653c3d36bf761513e21ac8428449b4 (patch) | |
| tree | f56c4c851d5d777d6df2dba2cbae00f6dd7cbfce /lib/crypto/mpi/mpiutil.c | |
| parent | 3477f079fe70b3c97a619788d89ac357e207f302 (diff) | |
perf lock contention: Support old rw_semaphore type
The old kernel has a different type of the owner field in rwsem. We can
check it using bpf_core_type_matches() builtin in clang but it also
needs its own version check since it's available on recent versions.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Hao Luo <haoluo@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will@kernel.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20230207002403.63590-4-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'lib/crypto/mpi/mpiutil.c')
0 files changed, 0 insertions, 0 deletions