diff options
Diffstat (limited to 'arch/x86/kernel/entry_64.S')
-rw-r--r-- | arch/x86/kernel/entry_64.S | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 1db6ce4314e1..09e7145484c5 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S | |||
@@ -64,32 +64,6 @@ | |||
64 | #ifdef CONFIG_FTRACE | 64 | #ifdef CONFIG_FTRACE |
65 | #ifdef CONFIG_DYNAMIC_FTRACE | 65 | #ifdef CONFIG_DYNAMIC_FTRACE |
66 | ENTRY(mcount) | 66 | ENTRY(mcount) |
67 | |||
68 | subq $0x38, %rsp | ||
69 | movq %rax, (%rsp) | ||
70 | movq %rcx, 8(%rsp) | ||
71 | movq %rdx, 16(%rsp) | ||
72 | movq %rsi, 24(%rsp) | ||
73 | movq %rdi, 32(%rsp) | ||
74 | movq %r8, 40(%rsp) | ||
75 | movq %r9, 48(%rsp) | ||
76 | |||
77 | movq 0x38(%rsp), %rdi | ||
78 | subq $MCOUNT_INSN_SIZE, %rdi | ||
79 | |||
80 | .globl mcount_call | ||
81 | mcount_call: | ||
82 | call ftrace_stub | ||
83 | |||
84 | movq 48(%rsp), %r9 | ||
85 | movq 40(%rsp), %r8 | ||
86 | movq 32(%rsp), %rdi | ||
87 | movq 24(%rsp), %rsi | ||
88 | movq 16(%rsp), %rdx | ||
89 | movq 8(%rsp), %rcx | ||
90 | movq (%rsp), %rax | ||
91 | addq $0x38, %rsp | ||
92 | |||
93 | retq | 67 | retq |
94 | END(mcount) | 68 | END(mcount) |
95 | 69 | ||