From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 12 May 2008 19:20:48 +0000 (+0200)
Subject: ftrace: make sysprof dependent on x86 for now
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=ef4ab15ff34fd9c65e92bee70f58e7179da881c5;p=deliverable%2Flinux.git

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 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 */