powerpc: Use lwarx/ldarx hint in bit locks

[pandora-kernel.git] / arch / powerpc / include / asm / ppc-opcode.h

diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index ecec760..aea7147 100644 (file)
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -22,6 +22,7 @@
 #define PPC_INST_DCBZL                 0x7c2007ec
 #define PPC_INST_ISEL                  0x7c00001e
 #define PPC_INST_ISEL_MASK             0xfc00003e
+#define PPC_INST_LDARX                 0x7c0000a8
 #define PPC_INST_LSWI                  0x7c0004aa
 #define PPC_INST_LSWX                  0x7c00042a
 #define PPC_INST_LWARX                 0x7c000029
@@ -75,6 +76,9 @@
                                        __PPC_RA(a) | __PPC_RB(b))
 #define        PPC_DCBZL(a, b)         stringify_in_c(.long PPC_INST_DCBZL | \
                                        __PPC_RA(a) | __PPC_RB(b))
+#define PPC_LDARX(t, a, b, eh) stringify_in_c(.long PPC_INST_LDARX | \
+                                       __PPC_RT(t) | __PPC_RA(a) | \
+                                       __PPC_RB(b) | __PPC_EH(eh))
 #define PPC_LWARX(t, a, b, eh) stringify_in_c(.long PPC_INST_LWARX | \
                                        __PPC_RT(t) | __PPC_RA(a) | \
                                        __PPC_RB(b) | __PPC_EH(eh))