powerpc: Use lwarx/ldarx hint in bit locks
This patch implements the lwarx/ldarx hint bit for bit locks.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/local.h b/arch/powerpc/include/asm/local.h
index 84b457a..ce58c80 100644
--- a/arch/powerpc/include/asm/local.h
+++ b/arch/powerpc/include/asm/local.h
@@ -24,7 +24,7 @@
long t;
__asm__ __volatile__(
-"1:" PPC_LLARX "%0,0,%2 # local_add_return\n\
+"1:" PPC_LLARX(%0,0,%2,0) " # local_add_return\n\
add %0,%1,%0\n"
PPC405_ERR77(0,%2)
PPC_STLCX "%0,0,%2 \n\
@@ -43,7 +43,7 @@
long t;
__asm__ __volatile__(
-"1:" PPC_LLARX "%0,0,%2 # local_sub_return\n\
+"1:" PPC_LLARX(%0,0,%2,0) " # local_sub_return\n\
subf %0,%1,%0\n"
PPC405_ERR77(0,%2)
PPC_STLCX "%0,0,%2 \n\
@@ -60,7 +60,7 @@
long t;
__asm__ __volatile__(
-"1:" PPC_LLARX "%0,0,%1 # local_inc_return\n\
+"1:" PPC_LLARX(%0,0,%1,0) " # local_inc_return\n\
addic %0,%0,1\n"
PPC405_ERR77(0,%1)
PPC_STLCX "%0,0,%1 \n\
@@ -87,7 +87,7 @@
long t;
__asm__ __volatile__(
-"1:" PPC_LLARX "%0,0,%1 # local_dec_return\n\
+"1:" PPC_LLARX(%0,0,%1,0) " # local_dec_return\n\
addic %0,%0,-1\n"
PPC405_ERR77(0,%1)
PPC_STLCX "%0,0,%1\n\
@@ -117,7 +117,7 @@
long t;
__asm__ __volatile__ (
-"1:" PPC_LLARX "%0,0,%1 # local_add_unless\n\
+"1:" PPC_LLARX(%0,0,%1,0) " # local_add_unless\n\
cmpw 0,%0,%3 \n\
beq- 2f \n\
add %0,%2,%0 \n"
@@ -147,7 +147,7 @@
long t;
__asm__ __volatile__(
-"1:" PPC_LLARX "%0,0,%1 # local_dec_if_positive\n\
+"1:" PPC_LLARX(%0,0,%1,0) " # local_dec_if_positive\n\
cmpwi %0,1\n\
addi %0,%0,-1\n\
blt- 2f\n"