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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-07-15 04:35:23 +0300
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-08-04 18:49:21 +0300
commit12d560f4ea87030667438a169912380be00cea4b (patch)
tree3b60a7b97e849bd68573db48dd8608cb43f05694 /arch/powerpc/include/asm/spinlock.h
parent3dbe43f6fba9f2a0e46e371733575a45704c22ab (diff)
downloadlinux-12d560f4ea87030667438a169912380be00cea4b.tar.xz
rcu,locking: Privatize smp_mb__after_unlock_lock()
RCU is the only thing that uses smp_mb__after_unlock_lock(), and is likely the only thing that ever will use it, so this commit makes this macro private to RCU. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>
Diffstat (limited to 'arch/powerpc/include/asm/spinlock.h')
-rw-r--r--arch/powerpc/include/asm/spinlock.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
index 4dbe072eecbe..523673d7583c 100644
--- a/arch/powerpc/include/asm/spinlock.h
+++ b/arch/powerpc/include/asm/spinlock.h
@@ -28,8 +28,6 @@
#include <asm/synch.h>
#include <asm/ppc-opcode.h>
-#define smp_mb__after_unlock_lock() smp_mb() /* Full ordering for lock. */
-
#ifdef CONFIG_PPC64
/* use 0x800000yy when locked, where yy == CPU number */
#ifdef __BIG_ENDIAN__