Messages in this thread Patch in this message | | | Date | Tue, 21 Aug 2012 08:04:37 -0700 | From | tip-bot for Steven Rostedt <> | Subject | [tip:perf/core] ftrace/x86: Remove function_trace_stop check from graph caller |
| |
Commit-ID: 5767cfeaa9ec7b67c802143394f3ad9f8b174eb8 Gitweb: http://git.kernel.org/tip/5767cfeaa9ec7b67c802143394f3ad9f8b174eb8 Author: Steven Rostedt <srostedt@redhat.com> AuthorDate: Tue, 3 Jul 2012 16:16:09 -0400 Committer: Steven Rostedt <rostedt@goodmis.org> CommitDate: Tue, 31 Jul 2012 10:29:51 -0400
ftrace/x86: Remove function_trace_stop check from graph caller
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, 0 insertions(+), 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
| |