linux-kernel - [PATCH] x86/bitops.h: use IS_IMMEDIATE instead of dirrect call of __builtin_constant

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Message-Id: <1456491629-11384-1-git-send-email-kuleshovmail@gmail.com>
Date:	Fri, 26 Feb 2016 19:00:29 +0600
From:	Alexander Kuleshov <kuleshovmail@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Alexander Kuleshov <kuleshovmail@...il.com>
Subject: [PATCH] x86/bitops.h: use IS_IMMEDIATE instead of dirrect call of __builtin_constant_p

The arch/x86/include/asm/bitops.h provides IS_IMMEDIATE macro which expands to
the call of the __builtin_constant_p(). Let's use this macro in the test_bit()
to be more clear.

Signed-off-by: Alexander Kuleshov <kuleshovmail@...il.com>
---
 arch/x86/include/asm/bitops.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index cfe3b95..8cfbd2b 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -333,7 +333,7 @@ static int test_bit(int nr, const volatile unsigned long *addr);
 #endif
 
 #define test_bit(nr, addr)			\
-	(__builtin_constant_p((nr))		\
+	(IS_IMMEDIATE((nr))			\
 	 ? constant_test_bit((nr), (addr))	\
 	 : variable_test_bit((nr), (addr)))
 
-- 
2.7.2.335.g3476f70