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-rw-r--r--tools/testing/selftests/rseq/rseq.h24
1 files changed, 17 insertions, 7 deletions
diff --git a/tools/testing/selftests/rseq/rseq.h b/tools/testing/selftests/rseq/rseq.h
index a4684112676c..86ce22417e0d 100644
--- a/tools/testing/selftests/rseq/rseq.h
+++ b/tools/testing/selftests/rseq/rseq.h
@@ -133,17 +133,27 @@ static inline uint32_t rseq_current_cpu(void)
return cpu;
}
+static inline void rseq_clear_rseq_cs(void)
+{
+#ifdef __LP64__
+ __rseq_abi.rseq_cs.ptr = 0;
+#else
+ __rseq_abi.rseq_cs.ptr.ptr32 = 0;
+#endif
+}
+
/*
- * rseq_prepare_unload() should be invoked by each thread using rseq_finish*()
- * at least once between their last rseq_finish*() and library unload of the
- * library defining the rseq critical section (struct rseq_cs). This also
- * applies to use of rseq in code generated by JIT: rseq_prepare_unload()
- * should be invoked at least once by each thread using rseq_finish*() before
- * reclaim of the memory holding the struct rseq_cs.
+ * rseq_prepare_unload() should be invoked by each thread executing a rseq
+ * critical section at least once between their last critical section and
+ * library unload of the library defining the rseq critical section
+ * (struct rseq_cs). This also applies to use of rseq in code generated by
+ * JIT: rseq_prepare_unload() should be invoked at least once by each
+ * thread executing a rseq critical section before reclaim of the memory
+ * holding the struct rseq_cs.
*/
static inline void rseq_prepare_unload(void)
{
- __rseq_abi.rseq_cs = 0;
+ rseq_clear_rseq_cs();
}
#endif /* RSEQ_H_ */