perf core: Allow setting up max frame stack depth via sysctl

[mirror_ubuntu-zesty-kernel.git] / arch / metag / kernel / perf_callchain.c

diff --git a/arch/metag/kernel/perf_callchain.c b/arch/metag/kernel/perf_callchain.c
index 315633461a94537c51c96b7ba92420b9715fd523..252abc12a5a31f6221b106b060ffd6926a8a6b5b 100644 (file)
--- a/arch/metag/kernel/perf_callchain.c
+++ b/arch/metag/kernel/perf_callchain.c
@@ -65,7 +65,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
 
        --frame;
 
-       while ((entry->nr < PERF_MAX_STACK_DEPTH) && frame)
+       while ((entry->nr < sysctl_perf_event_max_stack) && frame)
                frame = user_backtrace(frame, entry);
 }