commit 92934bcbf96bc9dc931c40ca5f1a57685b7b813b
author Andi Kleen <ak@suse.de> Wed Jan 11 22:42:32 2006 +0100
committer Linus Torvalds <torvalds@g5.osdl.org> Wed Jan 11 19:01:11 2006 -0800
tree eb9690ca6b23b5603429a8b3d290d6ca2545bcaf
parent 636aab5ce332d88a76362797a55804c7da643467

[PATCH] i386/x86-64: Use input/output dependencies for bitops

Noticed by Andreas Schwab

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-x86_64/bitops.h

diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h
index a4d5d09..3638fff 100644
--- a/include/asm-x86_64/bitops.h
+++ b/include/asm-x86_64/bitops.h
@@ -29,7 +29,7 @@
 {
 	__asm__ __volatile__( LOCK_PREFIX
 		"btsl %1,%0"
-		:"=m" (ADDR)
+		:"+m" (ADDR)
 		:"dIr" (nr) : "memory");
 }
 
@@ -46,7 +46,7 @@
 {
 	__asm__ volatile(
 		"btsl %1,%0"
-		:"=m" (ADDR)
+		:"+m" (ADDR)
 		:"dIr" (nr) : "memory");
 }
 
@@ -64,7 +64,7 @@
 {
 	__asm__ __volatile__( LOCK_PREFIX
 		"btrl %1,%0"
-		:"=m" (ADDR)
+		:"+m" (ADDR)
 		:"dIr" (nr));
 }
 
@@ -72,7 +72,7 @@
 {
 	__asm__ __volatile__(
 		"btrl %1,%0"
-		:"=m" (ADDR)
+		:"+m" (ADDR)
 		:"dIr" (nr));
 }
 
@@ -92,7 +92,7 @@
 {
 	__asm__ __volatile__(
 		"btcl %1,%0"
-		:"=m" (ADDR)
+		:"+m" (ADDR)
 		:"dIr" (nr));
 }
 
@@ -109,7 +109,7 @@
 {
 	__asm__ __volatile__( LOCK_PREFIX
 		"btcl %1,%0"
-		:"=m" (ADDR)
+		:"+m" (ADDR)
 		:"dIr" (nr));
 }
 
@@ -127,7 +127,7 @@
 
 	__asm__ __volatile__( LOCK_PREFIX
 		"btsl %2,%1\n\tsbbl %0,%0"
-		:"=r" (oldbit),"=m" (ADDR)
+		:"=r" (oldbit),"+m" (ADDR)
 		:"dIr" (nr) : "memory");
 	return oldbit;
 }
@@ -147,7 +147,7 @@
 
 	__asm__(
 		"btsl %2,%1\n\tsbbl %0,%0"
-		:"=r" (oldbit),"=m" (ADDR)
+		:"=r" (oldbit),"+m" (ADDR)
 		:"dIr" (nr));
 	return oldbit;
 }
@@ -166,7 +166,7 @@
 
 	__asm__ __volatile__( LOCK_PREFIX
 		"btrl %2,%1\n\tsbbl %0,%0"
-		:"=r" (oldbit),"=m" (ADDR)
+		:"=r" (oldbit),"+m" (ADDR)
 		:"dIr" (nr) : "memory");
 	return oldbit;
 }
@@ -186,7 +186,7 @@
 
 	__asm__(
 		"btrl %2,%1\n\tsbbl %0,%0"
-		:"=r" (oldbit),"=m" (ADDR)
+		:"=r" (oldbit),"+m" (ADDR)
 		:"dIr" (nr));
 	return oldbit;
 }
@@ -198,7 +198,7 @@
 
 	__asm__ __volatile__(
 		"btcl %2,%1\n\tsbbl %0,%0"
-		:"=r" (oldbit),"=m" (ADDR)
+		:"=r" (oldbit),"+m" (ADDR)
 		:"dIr" (nr) : "memory");
 	return oldbit;
 }
@@ -217,7 +217,7 @@
 
 	__asm__ __volatile__( LOCK_PREFIX
 		"btcl %2,%1\n\tsbbl %0,%0"
-		:"=r" (oldbit),"=m" (ADDR)
+		:"=r" (oldbit),"+m" (ADDR)
 		:"dIr" (nr) : "memory");
 	return oldbit;
 }