summaryrefslogtreecommitdiff
path: root/kernel/trace/trace_functions_graph.c
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2019-09-10 14:03:08 +0300
committerTakashi Iwai <tiwai@suse.de>2019-09-10 14:03:08 +0300
commit7711fb7dac1ab77fd1b4d948f4647a569e4a1ae2 (patch)
treedd35ad21e0eb13572757dab279ae41f6d953baed /kernel/trace/trace_functions_graph.c
parent789492f0c86505e63369907bcb1afdf52dec9366 (diff)
parentbb831786117519fc16dfd3eaa7b84e4f6bbb8d99 (diff)
downloadlinux-7711fb7dac1ab77fd1b4d948f4647a569e4a1ae2.tar.xz
Merge tag 'asoc-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v5.4 Quite a big update this time around, particularly in the core where we've had a lot of cleanups from Morimoto-san - there's not much functional change but quite a bit of modernization going on. We've also seen a lot of driver work, a lot of it cleanups but also some particular drivers. - Lots and lots of cleanups from Morimoto-san and Yue Haibing. - Lots of cleanups and enhancements to the Freescale, sunxi dnd Intel rivers. - Initial Sound Open Firmware suppot for i.MX8. - Removal of w90x900 and nuc900 drivers as the platforms are being removed. - New support for Cirrus Logic CS47L15 and CS47L92, Freescale i.MX 7ULP and 8MQ, Meson G12A and NXP UDA1334
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
-rw-r--r--kernel/trace/trace_functions_graph.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 69ebf3c2f1b5..78af97163147 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -137,6 +137,13 @@ int trace_graph_entry(struct ftrace_graph_ent *trace)
if (trace_recursion_test(TRACE_GRAPH_NOTRACE_BIT))
return 0;
+ /*
+ * Do not trace a function if it's filtered by set_graph_notrace.
+ * Make the index of ret stack negative to indicate that it should
+ * ignore further functions. But it needs its own ret stack entry
+ * to recover the original index in order to continue tracing after
+ * returning from the function.
+ */
if (ftrace_graph_notrace_addr(trace->func)) {
trace_recursion_set(TRACE_GRAPH_NOTRACE_BIT);
/*
@@ -156,16 +163,6 @@ int trace_graph_entry(struct ftrace_graph_ent *trace)
return 0;
/*
- * Do not trace a function if it's filtered by set_graph_notrace.
- * Make the index of ret stack negative to indicate that it should
- * ignore further functions. But it needs its own ret stack entry
- * to recover the original index in order to continue tracing after
- * returning from the function.
- */
- if (ftrace_graph_notrace_addr(trace->func))
- return 1;
-
- /*
* Stop here if tracing_threshold is set. We only write function return
* events to the ring buffer.
*/