Signed-off-by: Franck Bui-Huu <vagabon.xyz@xxxxxxxxx>
---
arch/mips/kernel/process.c | 18 +++++++++---------
1 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 333f0bb..539b23b 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -364,15 +364,15 @@ #else
mfinfo[0].func = schedule;
schedule_frame = &mfinfo[0];
#endif
- for (i = 0; i < ARRAY_SIZE(mfinfo) && mfinfo[i].func; i++) {
- struct mips_frame_info *info = &mfinfo[i];
- if (get_frame_info(info)) {
- /* leaf or unknown */
- if (info->func == schedule)
- printk("Can't analyze prologue code at %p\n",
- info->func);
- }
- }
+ for (i = 0; i < ARRAY_SIZE(mfinfo) && mfinfo[i].func; i++)
+ get_frame_info(mfinfo + i);
+
+ /*
+ * Without schedule() frame info, result given by
+ * thread_saved_pc() and get_wchan() are not reliable.
+ */
+ if (schedule_frame->pc_offset < 0)
+ printk("Can't analyze schedule() prologue at %p\n", schedule);
mfinfo_num = i;
return 0;
--
1.4.2.rc2
