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>

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index e101c9a..9b49526 100644 (file)
--- 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 033a6fb..5588ecc 100644 (file)
--- 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 */