Use rseq for cpu_id in libringbuffer

[lttng-ust.git] / libringbuffer / rseq-arm.h

diff --git a/libringbuffer/rseq-arm.h b/libringbuffer/rseq-arm.h
index c0b172c21b995255345b41e1ee864b7e591f989a..656b87ef9039cb080098f9f12daa527b8b8cd195 100644 (file)
--- a/libringbuffer/rseq-arm.h
+++ b/libringbuffer/rseq-arm.h
@@ -73,7 +73,7 @@ do { \
                _teardown \
                "b %l[failure]\n\t" \
                "4:\n\t" \
-               : /* no outputs */ \
+               : /* gcc asm goto does not allow outputs */ \
                : [start_event_counter]"r"((_start_value).event_counter), \
                  [current_event_counter]"m"((_start_value).rseqp->u.e.event_counter), \
                  [rseq_cs]"r"(&(_start_value).rseqp->rseq_cs) \