The following commit has been merged into the sched/core branch of tip:
Commit-ID: a3798e6ffb37481c47773dd1d785c395c0785af8
Gitweb: https://git.kernel.org/tip/a3798e6ffb37481c47773dd1d785c395c0785af8
Author: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
AuthorDate: Tue, 22 Nov 2022 15:39:22 -05:00
Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Tue, 27 Dec 2022 12:52:15 +01:00
selftests/rseq: parametrized test: Report/abort on negative concurrency ID
Report and abort when a negative concurrency ID value is observed by the
spinlock test.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20221122203932.231377-21-mathieu.desnoyers@xxxxxxxxxxxx
---
tools/testing/selftests/rseq/param_test.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/rseq/param_test.c b/tools/testing/selftests/rseq/param_test.c
index cadb9d8..bf951a4 100644
--- a/tools/testing/selftests/rseq/param_test.c
+++ b/tools/testing/selftests/rseq/param_test.c
@@ -410,6 +410,11 @@ static int rseq_this_cpu_lock(struct percpu_lock *lock)
int ret;
cpu = get_current_cpu_id();
+ if (cpu < 0) {
+ fprintf(stderr, "pid: %d: tid: %d, cpu: %d: cid: %d\n",
+ getpid(), (int) rseq_gettid(), rseq_current_cpu_raw(), cpu);
+ abort();
+ }
ret = rseq_cmpeqv_storev(RSEQ_MO_RELAXED, RSEQ_PERCPU,
&lock->c[cpu].v,
0, 1, cpu);
|