From: Huacai Chen <chenhc@lemote.com>
Date: Tue, 25 Dec 2018 00:51:01 +0000 (+0800)
Subject: MIPS: Fix a R10000_LLSC_WAR logic in atomic.h
X-Git-Tag: v5.0-rc1~30^2~1
X-Git-Url: http://git.samba.org/samba.git/?a=commitdiff_plain;h=db1ce3f5d01d2d6d5714aefba0159d2cb5167a0b;p=sfrench%2Fcifs-2.6.git

MIPS: Fix a R10000_LLSC_WAR logic in atomic.h

Commit 4936084c2ee2 ("MIPS: Cleanup R10000_LLSC_WAR logic in atomic.h")
introduce a mistake in atomic64_fetch_##op##_relaxed(), because it
forget to delete R10000_LLSC_WAR in the if-condition. So fix it.

Fixes: 4936084c2ee2 ("MIPS: Cleanup R10000_LLSC_WAR logic in atomic.h")
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Joshua Kinard <kumba@gentoo.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Steven J . Hill <Steven.Hill@cavium.com>
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: stable@vger.kernel.org # 4.19+
---

diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index e8fbfd419151..43fcd35e2957 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -313,7 +313,7 @@ static __inline__ long atomic64_fetch_##op##_relaxed(long i, atomic64_t * v)  \
 {									      \
 	long result;							      \
 									      \
-	if (kernel_uses_llsc && R10000_LLSC_WAR) {			      \
+	if (kernel_uses_llsc) {						      \
 		long temp;						      \
 									      \
 		__asm__ __volatile__(					      \