tracing: branch tracer, fix writing to trace/trace_options

Impact: fix trace_options behavior writing to trace/trace_options use the index of the array to find the value of the flag. With branch tracer flag defined conditionally, this breaks writing to trace_options with branch tracer disabled. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
mariux64 · Nov 17, 2008 · 0c726da · 0c726da
1 parent 072b40a
commit 0c726da
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diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
@@ -259,9 +259,7 @@ static const char *trace_options[] = {
 	"sched-tree",
 	"ftrace_printk",
 	"ftrace_preempt",
-#ifdef CONFIG_BRANCH_TRACER
 	"branch",
-#endif
 	"annotate",
 	NULL
 };

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
@@ -470,9 +470,7 @@ enum trace_iterator_flags {
 	TRACE_ITER_SCHED_TREE		= 0x200,
 	TRACE_ITER_PRINTK		= 0x400,
 	TRACE_ITER_PREEMPTONLY		= 0x800,
-#ifdef CONFIG_BRANCH_TRACER
 	TRACE_ITER_BRANCH		= 0x1000,
-#endif
 	TRACE_ITER_ANNOTATE		= 0x2000,
 };