ftrace: make sysprof dependent on x86 for now

that's the only tested platform for now. If there's interest we
can make it generic easily.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2 files changed, 1 insertions, 6 deletions

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index e101c9a85f0f..9b49526ac0b5 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -77,7 +77,7 @@ config PREEMPT_TRACER
 
 config SYSPROF_TRACER
         bool "Sysprof Tracer"
-        depends on DEBUG_KERNEL
+        depends on DEBUG_KERNEL && X86
         select TRACING
         help
           This tracer provides the trace needed by the 'Sysprof' userspace
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index 033a6fb2e5ff..5588ecc40985 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -557,11 +557,6 @@ trace_selftest_startup_sysprof(struct tracer *trace, struct trace_array *tr)
         ret = trace_test_buffer(tr, &count);
         trace->reset(tr);
 
-        if (!ret && !count) {
-                printk(KERN_CONT ".. no entries found ..");
-                ret = -1;
-        }
-
         return ret;
 }
 #endif /* CONFIG_SYSPROF_TRACER */