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Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/stacktrace.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index abc321d55870..b53c525368a7 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -23,13 +23,16 @@ static int save_stack_stack(void *data, char *name)
23 return 0; 23 return 0;
24} 24}
25 25
26static void save_stack_address(void *data, unsigned long addr, int reliable) 26static void
27__save_stack_address(void *data, unsigned long addr, bool reliable, bool nosched)
27{ 28{
28 struct stack_trace *trace = data; 29 struct stack_trace *trace = data;
29#ifdef CONFIG_FRAME_POINTER 30#ifdef CONFIG_FRAME_POINTER
30 if (!reliable) 31 if (!reliable)
31 return; 32 return;
32#endif 33#endif
34 if (nosched && in_sched_functions(addr))
35 return;
33 if (trace->skip > 0) { 36 if (trace->skip > 0) {
34 trace->skip--; 37 trace->skip--;
35 return; 38 return;
@@ -38,22 +41,15 @@ static void save_stack_address(void *data, unsigned long addr, int reliable)
38 trace->entries[trace->nr_entries++] = addr; 41 trace->entries[trace->nr_entries++] = addr;
39} 42}
40 43
44static void save_stack_address(void *data, unsigned long addr, int reliable)
45{
46 return __save_stack_address(data, addr, reliable, false);
47}
48
41static void 49static void
42save_stack_address_nosched(void *data, unsigned long addr, int reliable) 50save_stack_address_nosched(void *data, unsigned long addr, int reliable)
43{ 51{
44 struct stack_trace *trace = data; 52 return __save_stack_address(data, addr, reliable, true);
45#ifdef CONFIG_FRAME_POINTER
46 if (!reliable)
47 return;
48#endif
49 if (in_sched_functions(addr))
50 return;
51 if (trace->skip > 0) {
52 trace->skip--;
53 return;
54 }
55 if (trace->nr_entries < trace->max_entries)
56 trace->entries[trace->nr_entries++] = addr;
57} 53}
58 54
59static const struct stacktrace_ops save_stack_ops = { 55static const struct stacktrace_ops save_stack_ops = {