diff options
| -rw-r--r-- | arch/mips/kernel/mcount.S | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/arch/mips/kernel/mcount.S b/arch/mips/kernel/mcount.S index bdfef2c24f16..522e91c688fc 100644 --- a/arch/mips/kernel/mcount.S +++ b/arch/mips/kernel/mcount.S | |||
| @@ -65,8 +65,8 @@ NESTED(ftrace_caller, PT_SIZE, ra) | |||
| 65 | _mcount: | 65 | _mcount: |
| 66 | b ftrace_stub | 66 | b ftrace_stub |
| 67 | nop | 67 | nop |
| 68 | lw t0, function_trace_stop | 68 | lw t1, function_trace_stop |
| 69 | bnez t0, ftrace_stub | 69 | bnez t1, ftrace_stub |
| 70 | nop | 70 | nop |
| 71 | 71 | ||
| 72 | MCOUNT_SAVE_REGS | 72 | MCOUNT_SAVE_REGS |
| @@ -93,21 +93,21 @@ ftrace_stub: | |||
| 93 | #else /* ! CONFIG_DYNAMIC_FTRACE */ | 93 | #else /* ! CONFIG_DYNAMIC_FTRACE */ |
| 94 | 94 | ||
| 95 | NESTED(_mcount, PT_SIZE, ra) | 95 | NESTED(_mcount, PT_SIZE, ra) |
| 96 | lw t0, function_trace_stop | 96 | lw t1, function_trace_stop |
| 97 | bnez t0, ftrace_stub | 97 | bnez t1, ftrace_stub |
| 98 | nop | 98 | nop |
| 99 | PTR_LA t0, ftrace_stub | 99 | PTR_LA t1, ftrace_stub |
| 100 | PTR_L t1, ftrace_trace_function /* Prepare t1 for (1) */ | 100 | PTR_L t2, ftrace_trace_function /* Prepare t2 for (1) */ |
| 101 | bne t0, t1, static_trace | 101 | bne t1, t2, static_trace |
| 102 | nop | 102 | nop |
| 103 | 103 | ||
| 104 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER | 104 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER |
| 105 | PTR_L t2, ftrace_graph_return | 105 | PTR_L t3, ftrace_graph_return |
| 106 | bne t0, t2, ftrace_graph_caller | 106 | bne t1, t3, ftrace_graph_caller |
| 107 | nop | 107 | nop |
| 108 | PTR_LA t0, ftrace_graph_entry_stub | 108 | PTR_LA t1, ftrace_graph_entry_stub |
| 109 | PTR_L t2, ftrace_graph_entry | 109 | PTR_L t3, ftrace_graph_entry |
| 110 | bne t0, t2, ftrace_graph_caller | 110 | bne t1, t3, ftrace_graph_caller |
| 111 | nop | 111 | nop |
| 112 | #endif | 112 | #endif |
| 113 | b ftrace_stub | 113 | b ftrace_stub |
| @@ -117,7 +117,7 @@ static_trace: | |||
| 117 | MCOUNT_SAVE_REGS | 117 | MCOUNT_SAVE_REGS |
| 118 | 118 | ||
| 119 | move a0, ra /* arg1: next ip, selfaddr */ | 119 | move a0, ra /* arg1: next ip, selfaddr */ |
| 120 | jalr t1 /* (1) call *ftrace_trace_function */ | 120 | jalr t2 /* (1) call *ftrace_trace_function */ |
| 121 | move a1, AT /* arg2: the caller's next ip, parent */ | 121 | move a1, AT /* arg2: the caller's next ip, parent */ |
| 122 | 122 | ||
| 123 | MCOUNT_RESTORE_REGS | 123 | MCOUNT_RESTORE_REGS |
