From: tip-bot for Tony Luck <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: torvalds@linux-foundation.org, tony.luck@intel.com,
hpa@zytor.com, mingo@kernel.org, dan.j.williams@intel.com,
bp@suse.de, linux-kernel@vger.kernel.org, peterz@infradead.org,
tglx@linutronix.de
Subject: [tip:ras/core] locking/static_keys: Provide DECLARE and well as DEFINE macros
Date: Mon, 5 Sep 2016 02:52:08 -0700 [thread overview]
Message-ID: <tip-b8fb03785d4de097507d0cf45873525e0ac4d2b2@git.kernel.org> (raw)
In-Reply-To: <816881cf85bd3cf13385d212882618f38a3b5d33.1472754711.git.tony.luck@intel.com>
Commit-ID: b8fb03785d4de097507d0cf45873525e0ac4d2b2
Gitweb: http://git.kernel.org/tip/b8fb03785d4de097507d0cf45873525e0ac4d2b2
Author: Tony Luck <tony.luck@intel.com>
AuthorDate: Thu, 1 Sep 2016 11:39:33 -0700
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Mon, 5 Sep 2016 11:47:31 +0200
locking/static_keys: Provide DECLARE and well as DEFINE macros
We will need to provide declarations of static keys in header
files. Provide DECLARE_STATIC_KEY_{TRUE,FALSE} macros.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/816881cf85bd3cf13385d212882618f38a3b5d33.1472754711.git.tony.luck@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/jump_label.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index 661af56..595fb46 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -267,9 +267,15 @@ struct static_key_false {
#define DEFINE_STATIC_KEY_TRUE(name) \
struct static_key_true name = STATIC_KEY_TRUE_INIT
+#define DECLARE_STATIC_KEY_TRUE(name) \
+ extern struct static_key_true name
+
#define DEFINE_STATIC_KEY_FALSE(name) \
struct static_key_false name = STATIC_KEY_FALSE_INIT
+#define DECLARE_STATIC_KEY_FALSE(name) \
+ extern struct static_key_false name
+
extern bool ____wrong_branch_error(void);
#define static_key_enabled(x) \
parent reply other threads:[~2016-09-05 9:54 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <816881cf85bd3cf13385d212882618f38a3b5d33.1472754711.git.tony.luck@intel.com>]
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