Messages in this thread Patch in this message | | | Date | Fri, 20 Jul 2012 22:19:51 -0400 | From | Steven Rostedt <> | Subject | [PATCH 08/19] ftrace/x86: Remove function_trace_stop check from graph caller |
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From: Steven Rostedt <srostedt@redhat.com>
The graph caller is called by the mcount callers, which already does the check against the function_trace_stop variable. No reason to check it again.
Link: http://lkml.kernel.org/r/20120711195745.588538769@goodmis.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- arch/x86/kernel/entry_32.S | 3 --- arch/x86/kernel/entry_64.S | 3 --- 2 files changed, 6 deletions(-)
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index 4dc3017..061ac17 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -1241,9 +1241,6 @@ END(mcount) #ifdef CONFIG_FUNCTION_GRAPH_TRACER ENTRY(ftrace_graph_caller) - cmpl $0, function_trace_stop - jne ftrace_stub - pushl %eax pushl %ecx pushl %edx diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 52bda2e..38308fa 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -213,9 +213,6 @@ END(mcount) #ifdef CONFIG_FUNCTION_GRAPH_TRACER ENTRY(ftrace_graph_caller) - cmpl $0, function_trace_stop - jne ftrace_stub - MCOUNT_SAVE_FRAME leaq 8(%rbp), %rdi -- 1.7.10.4
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