linux-kernel - [PATCH 4/5] powerpc: bitops: Introduce {clear,set}_bit

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Message-Id: <20120807201144.d779a93a.yoshikawa.takuya@oss.ntt.co.jp>
Date:	Tue, 7 Aug 2012 20:11:44 +0900
From:	Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>
To:	akpm@...ux-foundation.org
Cc:	bhutchings@...arflare.com, grundler@...isc-linux.org,
	arnd@...db.de, benh@...nel.crashing.org, avi@...hat.com,
	mtosatti@...hat.com, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org, takuya.yoshikawa@...il.com
Subject: [PATCH 4/5] powerpc: bitops: Introduce {clear,set}_bit_le()

From: Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>

Needed to replace test_and_set_bit_le() in virt/kvm/kvm_main.c which is
being used for this missing function.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
---
 arch/powerpc/include/asm/bitops.h |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index efdc926..dc2cf9c 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -288,6 +288,16 @@ static __inline__ int test_bit_le(unsigned long nr,
 	return (tmp[nr >> 3] >> (nr & 7)) & 1;
 }
 
+static inline void set_bit_le(int nr, void *addr)
+{
+	set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
+}
+
+static inline void clear_bit_le(int nr, void *addr)
+{
+	clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
+}
+
 static inline void __set_bit_le(int nr, void *addr)
 {
 	__set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
-- 
1.7.5.4

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