diff options
Diffstat (limited to 'arch/arm/kernel/entry-common.S')
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 49a6ba926c2..159d0416f27 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S | |||
| @@ -111,6 +111,7 @@ ENTRY(mcount) | |||
| 111 | .globl mcount_call | 111 | .globl mcount_call |
| 112 | mcount_call: | 112 | mcount_call: |
| 113 | bl ftrace_stub | 113 | bl ftrace_stub |
| 114 | ldr lr, [fp, #-4] @ restore lr | ||
| 114 | ldmia sp!, {r0-r3, pc} | 115 | ldmia sp!, {r0-r3, pc} |
| 115 | 116 | ||
| 116 | ENTRY(ftrace_caller) | 117 | ENTRY(ftrace_caller) |
| @@ -122,6 +123,7 @@ ENTRY(ftrace_caller) | |||
| 122 | .globl ftrace_call | 123 | .globl ftrace_call |
| 123 | ftrace_call: | 124 | ftrace_call: |
| 124 | bl ftrace_stub | 125 | bl ftrace_stub |
| 126 | ldr lr, [fp, #-4] @ restore lr | ||
| 125 | ldmia sp!, {r0-r3, pc} | 127 | ldmia sp!, {r0-r3, pc} |
| 126 | 128 | ||
| 127 | #else | 129 | #else |
| @@ -133,6 +135,7 @@ ENTRY(mcount) | |||
| 133 | adr r0, ftrace_stub | 135 | adr r0, ftrace_stub |
| 134 | cmp r0, r2 | 136 | cmp r0, r2 |
| 135 | bne trace | 137 | bne trace |
| 138 | ldr lr, [fp, #-4] @ restore lr | ||
| 136 | ldmia sp!, {r0-r3, pc} | 139 | ldmia sp!, {r0-r3, pc} |
| 137 | 140 | ||
| 138 | trace: | 141 | trace: |
| @@ -141,6 +144,7 @@ trace: | |||
| 141 | sub r0, r0, #MCOUNT_INSN_SIZE | 144 | sub r0, r0, #MCOUNT_INSN_SIZE |
| 142 | mov lr, pc | 145 | mov lr, pc |
| 143 | mov pc, r2 | 146 | mov pc, r2 |
| 147 | mov lr, r1 @ restore lr | ||
| 144 | ldmia sp!, {r0-r3, pc} | 148 | ldmia sp!, {r0-r3, pc} |
| 145 | 149 | ||
| 146 | #endif /* CONFIG_DYNAMIC_FTRACE */ | 150 | #endif /* CONFIG_DYNAMIC_FTRACE */ |
