[PATCH] hw-breakpoints: fix undeclared ksym_tracer_mutex
From: Frederic Weisbecker
Date: Tue Jun 02 2009 - 19:43:38 EST
ksym_tracer_mutex is declared inside an #ifdef CONFIG_PROFILE_KSYM_TRACER
section. This makes it unavailable for the hardware breakpoint tracer if it is
configured without the breakpoint profiler.
This patch fixes the following build error:
kernel/trace/trace_ksym.c: In function âksym_trace_filter_readâ:
kernel/trace/trace_ksym.c:226: erreur: âksym_tracer_mutexâ undeclared (first use in this function)
kernel/trace/trace_ksym.c:226: erreur: (Each undeclared identifier is reported only once
kernel/trace/trace_ksym.c:226: erreur: for each function it appears in.)
kernel/trace/trace_ksym.c: In function âksym_trace_filter_writeâ:
kernel/trace/trace_ksym.c:273: erreur: âksym_tracer_mutexâ undeclared (first use in this function)
kernel/trace/trace_ksym.c: In function âksym_trace_resetâ:
kernel/trace/trace_ksym.c:335: erreur: âksym_tracer_mutexâ undeclared (first use in this function)
make[1]: *** [kernel/trace/trace_ksym.o] Erreur 1
[ Impact: fix a build error ]
Reported-by: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
---
kernel/trace/trace_ksym.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/trace_ksym.c b/kernel/trace/trace_ksym.c
index 11c74f6..eef97e7 100644
--- a/kernel/trace/trace_ksym.c
+++ b/kernel/trace/trace_ksym.c
@@ -44,12 +44,12 @@ static unsigned int ksym_tracing_enabled;
static HLIST_HEAD(ksym_filter_head);
+static DEFINE_MUTEX(ksym_tracer_mutex);
+
#ifdef CONFIG_PROFILE_KSYM_TRACER
#define MAX_UL_INT 0xffffffff
-static DEFINE_MUTEX(ksym_tracer_mutex);
-
void ksym_collect_stats(unsigned long hbp_hit_addr)
{
struct hlist_node *node;
--
1.6.2.3
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