From: "Steven Rostedt (Red Hat)" <rostedt@xxxxxxxxxxx> Nothing sets function_trace_stop to disable function tracing anymore. Remove the check for it in the arch code. [ Please test this on your arch ] Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxx> Cc: Paul Mundt <lethal@xxxxxxxxxxxx> Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx> --- arch/sh/Kconfig | 1 - arch/sh/lib/mcount.S | 24 ++---------------------- 2 files changed, 2 insertions(+), 23 deletions(-) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 834b67c4db5a..aa2df3eaeb29 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -57,7 +57,6 @@ config SUPERH32 select HAVE_FUNCTION_TRACER select HAVE_FTRACE_MCOUNT_RECORD select HAVE_DYNAMIC_FTRACE - select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE select ARCH_WANT_IPC_PARSE_VERSION select HAVE_FUNCTION_GRAPH_TRACER diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S index 52aa2011d753..7a8572f9d58b 100644 --- a/arch/sh/lib/mcount.S +++ b/arch/sh/lib/mcount.S @@ -92,13 +92,6 @@ mcount: rts nop #else -#ifndef CONFIG_DYNAMIC_FTRACE - mov.l .Lfunction_trace_stop, r0 - mov.l @r0, r0 - tst r0, r0 - bf ftrace_stub -#endif - MCOUNT_ENTER() #ifdef CONFIG_DYNAMIC_FTRACE @@ -174,11 +167,6 @@ ftrace_graph_call: .globl ftrace_caller ftrace_caller: - mov.l .Lfunction_trace_stop, r0 - mov.l @r0, r0 - tst r0, r0 - bf ftrace_stub - MCOUNT_ENTER() .globl ftrace_call @@ -196,8 +184,6 @@ ftrace_call: #endif /* CONFIG_DYNAMIC_FTRACE */ .align 2 -.Lfunction_trace_stop: - .long function_trace_stop /* * NOTE: From here on the locations of the .Lftrace_stub label and @@ -217,12 +203,7 @@ ftrace_stub: #ifdef CONFIG_FUNCTION_GRAPH_TRACER .globl ftrace_graph_caller ftrace_graph_caller: - mov.l 2f, r0 - mov.l @r0, r0 - tst r0, r0 - bt 1f - - mov.l 3f, r1 + mov.l 2f, r1 jmp @r1 nop 1: @@ -242,8 +223,7 @@ ftrace_graph_caller: MCOUNT_LEAVE() .align 2 -2: .long function_trace_stop -3: .long skip_trace +2: .long skip_trace .Lprepare_ftrace_return: .long prepare_ftrace_return -- 2.0.0 -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
