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authorStefan Agner <stefan.agner@toradex.com>2019-06-18 14:29:35 +0200
committerStefan Agner <stefan.agner@toradex.com>2019-06-18 14:29:35 +0200
commitd15d0b7a9f89cf5a905ad6802eb23100c8063939 (patch)
tree84caa660dc73842efa29e116dcb3e32aa81a5cf0 /kernel/trace/ftrace.c
parente9dcc568b2e968af848bbdb4267ba6cde5457b9e (diff)
parent858848641fbecd42437e36adc9291b0ce5db379e (diff)
Merge tag 'v4.19.50-rt22' into toradex_4.19.y-rt
Linux 4.19.50-rt22
Diffstat (limited to 'kernel/trace/ftrace.c')
-rw-r--r--kernel/trace/ftrace.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 77734451cb05..1688782f3dfb 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -34,6 +34,7 @@
#include <linux/list.h>
#include <linux/hash.h>
#include <linux/rcupdate.h>
+#include <linux/kprobes.h>
#include <trace/events/sched.h>
@@ -5460,6 +5461,7 @@ void ftrace_destroy_filter_files(struct ftrace_ops *ops)
if (ops->flags & FTRACE_OPS_FL_ENABLED)
ftrace_shutdown(ops, 0);
ops->flags |= FTRACE_OPS_FL_DELETED;
+ ftrace_free_filter(ops);
mutex_unlock(&ftrace_lock);
}
@@ -6249,7 +6251,7 @@ void ftrace_reset_array_ops(struct trace_array *tr)
tr->ops->func = ftrace_stub;
}
-static inline void
+static nokprobe_inline void
__ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,
struct ftrace_ops *ignored, struct pt_regs *regs)
{
@@ -6309,11 +6311,13 @@ static void ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,
{
__ftrace_ops_list_func(ip, parent_ip, NULL, regs);
}
+NOKPROBE_SYMBOL(ftrace_ops_list_func);
#else
static void ftrace_ops_no_ops(unsigned long ip, unsigned long parent_ip)
{
__ftrace_ops_list_func(ip, parent_ip, NULL, NULL);
}
+NOKPROBE_SYMBOL(ftrace_ops_no_ops);
#endif
/*
@@ -6340,6 +6344,7 @@ static void ftrace_ops_assist_func(unsigned long ip, unsigned long parent_ip,
preempt_enable_notrace();
trace_clear_recursion(bit);
}
+NOKPROBE_SYMBOL(ftrace_ops_assist_func);
/**
* ftrace_ops_get_func - get the function a trampoline should call