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Diffstat (limited to 'arch/x86/kernel/entry_32.S')
-rw-r--r--arch/x86/kernel/entry_32.S17
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 74defe21ba42..958af86186c4 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1174,6 +1174,11 @@ ftrace_call:
1174 popl %edx 1174 popl %edx
1175 popl %ecx 1175 popl %ecx
1176 popl %eax 1176 popl %eax
1177#ifdef CONFIG_FUNCTION_GRAPH_TRACER
1178.globl ftrace_graph_call
1179ftrace_graph_call:
1180 jmp ftrace_stub
1181#endif
1177 1182
1178.globl ftrace_stub 1183.globl ftrace_stub
1179ftrace_stub: 1184ftrace_stub:
@@ -1188,9 +1193,9 @@ ENTRY(mcount)
1188 1193
1189 cmpl $ftrace_stub, ftrace_trace_function 1194 cmpl $ftrace_stub, ftrace_trace_function
1190 jnz trace 1195 jnz trace
1191#ifdef CONFIG_FUNCTION_RET_TRACER 1196#ifdef CONFIG_FUNCTION_GRAPH_TRACER
1192 cmpl $ftrace_stub, ftrace_function_return 1197 cmpl $ftrace_stub, ftrace_graph_return
1193 jnz ftrace_return_caller 1198 jnz ftrace_graph_caller
1194#endif 1199#endif
1195.globl ftrace_stub 1200.globl ftrace_stub
1196ftrace_stub: 1201ftrace_stub:
@@ -1215,8 +1220,8 @@ END(mcount)
1215#endif /* CONFIG_DYNAMIC_FTRACE */ 1220#endif /* CONFIG_DYNAMIC_FTRACE */
1216#endif /* CONFIG_FUNCTION_TRACER */ 1221#endif /* CONFIG_FUNCTION_TRACER */
1217 1222
1218#ifdef CONFIG_FUNCTION_RET_TRACER 1223#ifdef CONFIG_FUNCTION_GRAPH_TRACER
1219ENTRY(ftrace_return_caller) 1224ENTRY(ftrace_graph_caller)
1220 cmpl $0, function_trace_stop 1225 cmpl $0, function_trace_stop
1221 jne ftrace_stub 1226 jne ftrace_stub
1222 1227
@@ -1230,7 +1235,7 @@ ENTRY(ftrace_return_caller)
1230 popl %ecx 1235 popl %ecx
1231 popl %eax 1236 popl %eax
1232 ret 1237 ret
1233END(ftrace_return_caller) 1238END(ftrace_graph_caller)
1234 1239
1235.globl return_to_handler 1240.globl return_to_handler
1236return_to_handler: 1241return_to_handler: