sh: 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.

[ Please test this on your arch ]

Cc: Matt Fleming <matt@console-pimps.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 2 insertions, 22 deletions

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