tile: 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.

Cc: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: Zhigang Lu<zlu@tilera.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 4f3006b..7fcd492 100644 (file)
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -128,7 +128,6 @@ config TILEGX
        select SPARSE_IRQ
        select GENERIC_IRQ_LEGACY_ALLOC_HWIRQ
        select HAVE_FUNCTION_TRACER
-       select HAVE_FUNCTION_TRACE_MCOUNT_TEST
        select HAVE_FUNCTION_GRAPH_TRACER
        select HAVE_DYNAMIC_FTRACE
        select HAVE_FTRACE_MCOUNT_RECORD

diff --git a/arch/tile/kernel/mcount_64.S b/arch/tile/kernel/mcount_64.S
index 70d7bb0..3c2b8d5 100644 (file)
--- a/arch/tile/kernel/mcount_64.S
+++ b/arch/tile/kernel/mcount_64.S
@@ -77,15 +77,6 @@ STD_ENDPROC(__mcount)
 
        .align  64
 STD_ENTRY(ftrace_caller)
-       moveli  r11, hw2_last(function_trace_stop)
-       { shl16insli    r11, r11, hw1(function_trace_stop); move r12, lr }
-       { shl16insli    r11, r11, hw0(function_trace_stop); move lr, r10 }
-       ld      r11, r11
-       beqz    r11, 1f
-       jrp     r12
-
-1:
-       { move  r10, lr; move   lr, r12 }
        MCOUNT_SAVE_REGS
 
        /* arg1: self return address */
@@ -119,15 +110,6 @@ STD_ENDPROC(ftrace_caller)
 
        .align  64
 STD_ENTRY(__mcount)
-       moveli  r11, hw2_last(function_trace_stop)
-       { shl16insli    r11, r11, hw1(function_trace_stop); move r12, lr }
-       { shl16insli    r11, r11, hw0(function_trace_stop); move lr, r10 }
-       ld      r11, r11
-       beqz    r11, 1f
-       jrp     r12
-
-1:
-       { move  r10, lr; move   lr, r12 }
        {
         moveli r11, hw2_last(ftrace_trace_function)
         moveli r13, hw2_last(ftrace_stub)