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| author |   Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2014-06-25 12:42:38 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-07-18 13:58:10 -0400 |
| commit | 6c56524101a3466263e20a63f851c866ea95c970 (patch) | |
| tree | f86e062187a11d56d9a4917b8f8c4caba272494b /arch/blackfin | |
| parent | metag: ftrace: Remove check of obsolete variable function_trace_stop (diff) | |
| download | linux-dev-6c56524101a3466263e20a63f851c866ea95c970.tar.xz linux-dev-6c56524101a3466263e20a63f851c866ea95c970.zip | |
Blackfin: ftrace: Remove check of obsolete variable function_trace_stop
Nothing sets function_trace_stop to disable function tracing anymore.
Remove the check for it in the arch code.
Link: http://lkml.kernel.org/r/3144266.ziutPk5CNZ@vapier
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/Kconfig | 1 | ||||
| -rw-r--r-- | arch/blackfin/kernel/ftrace-entry.S | 18 |
2 files changed, 0 insertions, 19 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index f81e7b989fff..ed30699cc635 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -18,7 +18,6 @@ config BLACKFIN select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_IDE select HAVE_KERNEL_GZIP if RAMKERNEL select HAVE_KERNEL_BZIP2 if RAMKERNEL diff --git a/arch/blackfin/kernel/ftrace-entry.S b/arch/blackfin/kernel/ftrace-entry.S index 7eed00bbd26d..28d059540424 100644 --- a/arch/blackfin/kernel/ftrace-entry.S +++ b/arch/blackfin/kernel/ftrace-entry.S @@ -33,15 +33,6 @@ ENDPROC(__mcount) * function will be waiting there. mmmm pie. */ ENTRY(_ftrace_caller) -# ifdef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST - /* optional micro optimization: return if stopped */ - p1.l = _function_trace_stop; - p1.h = _function_trace_stop; - r3 = [p1]; - cc = r3 == 0; - if ! cc jump _ftrace_stub (bp); -# endif - /* save first/second/third function arg and the return register */ [--sp] = r2; [--sp] = r0; @@ -83,15 +74,6 @@ ENDPROC(_ftrace_caller) /* See documentation for _ftrace_caller */ ENTRY(__mcount) -# ifdef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST - /* optional micro optimization: return if stopped */ - p1.l = _function_trace_stop; - p1.h = _function_trace_stop; - r3 = [p1]; - cc = r3 == 0; - if ! cc jump _ftrace_stub (bp); -# endif - /* save third function arg early so we can do testing below */ [--sp] = r2; |