linux-kernel - [PATCH 3/8] jump_label: introduce DEFINE_STATIC_KEY_{TRUE,FALSE}

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Message-Id: <1440072876-8321-4-git-send-email-haokexin@gmail.com>
Date:	Thu, 20 Aug 2015 20:14:31 +0800
From:	Kevin Hao <haokexin@...il.com>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: [PATCH 3/8] jump_label: introduce DEFINE_STATIC_KEY_{TRUE,FALSE}_ARRAY macros

These are used to define a static_key_{true,false} array.

Signed-off-by: Kevin Hao <haokexin@...il.com>
---
 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 7f653e8f6690..5c1d6a49dd6b 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -267,6 +267,12 @@ struct static_key_false {
 #define DEFINE_STATIC_KEY_FALSE(name)	\
 	struct static_key_false name = STATIC_KEY_FALSE_INIT
 
+#define DEFINE_STATIC_KEY_TRUE_ARRAY(name, n)	\
+	struct static_key_true name[n] = { [0 ... n - 1] = STATIC_KEY_TRUE_INIT }
+
+#define DEFINE_STATIC_KEY_FALSE_ARRAY(name, n)	\
+	struct static_key_false name[n] = { [0 ... n - 1] = STATIC_KEY_FALSE_INIT }
+
 #ifdef HAVE_JUMP_LABEL
 
 /*
-- 
2.1.0

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