[tip:perf/core] kprobes: Make functions static

From: tip-bot for Namhyung Kim
Date: Wed Sep 15 2010 - 06:05:43 EST


Commit-ID: 6376b2297502e72255b7eb2893c6044ad5a7b5f4
Gitweb: http://git.kernel.org/tip/6376b2297502e72255b7eb2893c6044ad5a7b5f4
Author: Namhyung Kim <namhyung@xxxxxxxxx>
AuthorDate: Wed, 15 Sep 2010 10:04:28 +0900
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Wed, 15 Sep 2010 10:44:01 +0200

kprobes: Make functions static

Make following (internal) functions static to make sparse
happier :-)

* get_optimized_kprobe: only called from static functions
* kretprobe_table_unlock: _lock function is static
* kprobes_optinsn_template_holder: never called but holding asm code

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
LKML-Reference: <1284512670-2369-4-git-send-email-namhyung@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/kernel/kprobes.c | 2 +-
kernel/kprobes.c | 5 +++--
2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 770ebfb..05c20a4 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -1129,7 +1129,7 @@ static void __kprobes synthesize_set_arg1(kprobe_opcode_t *addr,
*(unsigned long *)addr = val;
}

-void __kprobes kprobes_optinsn_template_holder(void)
+static void __used __kprobes kprobes_optinsn_template_holder(void)
{
asm volatile (
".global optprobe_template_entry\n"
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 1b0dbe0..c53aad5 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -399,7 +399,7 @@ static inline int kprobe_optready(struct kprobe *p)
* Return an optimized kprobe whose optimizing code replaces
* instructions including addr (exclude breakpoint).
*/
-struct kprobe *__kprobes get_optimized_kprobe(unsigned long addr)
+static struct kprobe *__kprobes get_optimized_kprobe(unsigned long addr)
{
int i;
struct kprobe *p = NULL;
@@ -857,7 +857,8 @@ void __kprobes kretprobe_hash_unlock(struct task_struct *tsk,
spin_unlock_irqrestore(hlist_lock, *flags);
}

-void __kprobes kretprobe_table_unlock(unsigned long hash, unsigned long *flags)
+static void __kprobes kretprobe_table_unlock(unsigned long hash,
+ unsigned long *flags)
{
spinlock_t *hlist_lock = kretprobe_table_lock_ptr(hash);
spin_unlock_irqrestore(hlist_lock, *flags);
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/