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ftrace: warning in kernel/trace/ftrace.c

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this warning:

  kernel/trace/ftrace.c:189: warning: ‘frozen_record_count’ defined but not used

triggers because frozen_record_count is only used in the KCONFIG_MARKERS
case. Move the variable it there.

Alas, this frozen-record facility seems to have little use. The
frozen_record_count variable is not used by anything, nor the flags.

So this section might need a bit of dead-code-removal care as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2008-10-24 12:47:10 +02:00
parent 66b0de3569
commit f17845e5d9
1 changed files with 4 additions and 1 deletions
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5
kernel/trace/ftrace.c
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@@ -186,7 +186,6 @@ enum {
static int ftrace_filtered; static int ftrace_filtered;
static int tracing_on; static int tracing_on;
static int frozen_record_count;
static LIST_HEAD(ftrace_new_addrs); static LIST_HEAD(ftrace_new_addrs);
@@ -211,6 +210,9 @@ static struct dyn_ftrace *ftrace_free_records;
#ifdef CONFIG_KPROBES #ifdef CONFIG_KPROBES
static int frozen_record_count;
static inline void freeze_record(struct dyn_ftrace *rec) static inline void freeze_record(struct dyn_ftrace *rec)
{ {
if (!(rec->flags & FTRACE_FL_FROZEN)) { if (!(rec->flags & FTRACE_FL_FROZEN)) {
@@ -1443,3 +1445,4 @@ ftrace_enable_sysctl(struct ctl_table *table, int write,
mutex_unlock(&ftrace_sysctl_lock); mutex_unlock(&ftrace_sysctl_lock);
return ret; return ret;
} }