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-rw-r--r--kernel/trace/ftrace.c23
1 files changed, 7 insertions, 16 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 3724756e41ca..37ba67e33265 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1078,14 +1078,9 @@ static void ftrace_replace_code(int enable)
1078 failed = __ftrace_replace_code(rec, enable); 1078 failed = __ftrace_replace_code(rec, enable);
1079 if (failed) { 1079 if (failed) {
1080 rec->flags |= FTRACE_FL_FAILED; 1080 rec->flags |= FTRACE_FL_FAILED;
1081 if ((system_state == SYSTEM_BOOTING) || 1081 ftrace_bug(failed, rec->ip);
1082 !core_kernel_text(rec->ip)) { 1082 /* Stop processing */
1083 ftrace_free_rec(rec); 1083 return;
1084 } else {
1085 ftrace_bug(failed, rec->ip);
1086 /* Stop processing */
1087 return;
1088 }
1089 } 1084 }
1090 } while_for_each_ftrace_rec(); 1085 } while_for_each_ftrace_rec();
1091} 1086}
@@ -2662,19 +2657,17 @@ static int ftrace_convert_nops(struct module *mod,
2662} 2657}
2663 2658
2664#ifdef CONFIG_MODULES 2659#ifdef CONFIG_MODULES
2665void ftrace_release(void *start, void *end) 2660void ftrace_release_mod(struct module *mod)
2666{ 2661{
2667 struct dyn_ftrace *rec; 2662 struct dyn_ftrace *rec;
2668 struct ftrace_page *pg; 2663 struct ftrace_page *pg;
2669 unsigned long s = (unsigned long)start;
2670 unsigned long e = (unsigned long)end;
2671 2664
2672 if (ftrace_disabled || !start || start == end) 2665 if (ftrace_disabled)
2673 return; 2666 return;
2674 2667
2675 mutex_lock(&ftrace_lock); 2668 mutex_lock(&ftrace_lock);
2676 do_for_each_ftrace_rec(pg, rec) { 2669 do_for_each_ftrace_rec(pg, rec) {
2677 if ((rec->ip >= s) && (rec->ip < e)) { 2670 if (within_module_core(rec->ip, mod)) {
2678 /* 2671 /*
2679 * rec->ip is changed in ftrace_free_rec() 2672 * rec->ip is changed in ftrace_free_rec()
2680 * It should not between s and e if record was freed. 2673 * It should not between s and e if record was freed.
@@ -2706,9 +2699,7 @@ static int ftrace_module_notify(struct notifier_block *self,
2706 mod->num_ftrace_callsites); 2699 mod->num_ftrace_callsites);
2707 break; 2700 break;
2708 case MODULE_STATE_GOING: 2701 case MODULE_STATE_GOING:
2709 ftrace_release(mod->ftrace_callsites, 2702 ftrace_release_mod(mod);
2710 mod->ftrace_callsites +
2711 mod->num_ftrace_callsites);
2712 break; 2703 break;
2713 } 2704 }
2714 2705