[PATCH] jump_label: don't export section tags

Michael S. Tsirkin
2017-02-10T17:56:15Z

These are supplied by the linker and only used by jump_label.c.
This trivial patch moves them out of jump_label.h.

Cc: Jason Baron <jbaron@akamai.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
include/linux/jump_label.h | 3 ---
kernel/jump_label.c | 4 ++++
2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index 48ed83f..21701da 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -132,9 +132,6 @@ static __always_inline bool static_key_true(struct static_key *key)
return !arch_static_branch(key, true);
}

-extern const struct jump_entry __start___jump_table[];
-extern const struct jump_entry __stop___jump_table[];
-
extern void jump_label_init(void);
extern void jump_label_lock(void);
extern void jump_label_unlock(void);
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index a9b8cf5..6eaa84c 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -18,6 +18,10 @@

#ifdef HAVE_JUMP_LABEL

+/* Supplied by a linker script */
+extern struct jump_entry __start___jump_table[];
+extern struct jump_entry __stop___jump_table[];
+
/* mutex to protect coming/going of the the jump_label table */
static DEFINE_MUTEX(jump_label_mutex);

--
MST