diff options
| author | Steven Rostedt <srostedt@redhat.com> | 2008-12-02 15:34:09 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-03 08:56:22 +0100 |
| commit | bb4304c71c97bf727ec43cd2f195c2c237c27fd3 (patch) | |
| tree | 91de689ca21951fd49935798fb19148763e3424f /arch | |
| parent | 347fdd9dd4e5d3f3a4e415925c35bdff1d59c3a9 (diff) | |
ftrace: have function graph use mcount caller address
Impact: consistency change for function graph
This patch makes function graph record the mcount caller address
the same way the function tracer does.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/entry_32.S | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 958af86186c..826682abed1 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -1230,6 +1230,7 @@ ENTRY(ftrace_graph_caller) pushl %edx movl 0xc(%esp), %edx lea 0x4(%ebp), %eax + subl $MCOUNT_INSN_SIZE, %edx call prepare_ftrace_return popl %edx popl %ecx diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 2aa0526ac30..9060ba6497e 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -173,6 +173,7 @@ ENTRY(ftrace_graph_caller) leaq 8(%rbp), %rdi movq 0x38(%rsp), %rsi + subq $MCOUNT_INSN_SIZE, %rsi call prepare_ftrace_return |