summaryrefslogtreecommitdiff
path: root/kernel/trace/trace_stack.c
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2020-01-17 08:59:29 +0100
committerLinus Walleij <linus.walleij@linaro.org>2020-01-17 08:59:29 +0100
commit6a77de2596a8d02cbfe9cebe448d8575e4354c9a (patch)
tree13e7621c147ef1415195213089ce3c2c94590bde /kernel/trace/trace_stack.c
parent59c324683400b41caa6d85b091e812ee3d5415c3 (diff)
parentb3a987b0264d3ddbb24293ebff10eddfc472f653 (diff)
Merge tag 'v5.5-rc6' into devel
Linux 5.5-rc6
Diffstat (limited to 'kernel/trace/trace_stack.c')
-rw-r--r--kernel/trace/trace_stack.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 4df9a209f7ca..c557f42a9397 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -283,6 +283,11 @@ static void check_stack(unsigned long ip, unsigned long *stack)
local_irq_restore(flags);
}
+/* Some archs may not define MCOUNT_INSN_SIZE */
+#ifndef MCOUNT_INSN_SIZE
+# define MCOUNT_INSN_SIZE 0
+#endif
+
static void
stack_trace_call(unsigned long ip, unsigned long parent_ip,
struct ftrace_ops *op, struct pt_regs *pt_regs)