powerpc/64s/radix: keep kernel ERAT over local process/guest invalidates

[linux-2.6-block.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 14f43b6cf7ec642840171a73673291b560125869..971bdf84f6fcb3731ad88729c4ef091070b81b42 100644 (file)
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -591,7 +591,16 @@
 
 #define PPC_SLBIA(IH)  stringify_in_c(.long PPC_INST_SLBIA | \
                                       ((IH & 0x7) << 21))
+
+/*
+ * These may only be used on ISA v3.0 or later (aka. CPU_FTR_ARCH_300, radix
+ * implies CPU_FTR_ARCH_300). USER/GUEST invalidates may only be used by radix
+ * mode (on HPT these would also invalidate various SLBEs which may not be
+ * desired).
+ */
 #define PPC_ISA_3_0_INVALIDATE_ERAT    PPC_SLBIA(7)
+#define PPC_RADIX_INVALIDATE_ERAT_USER PPC_SLBIA(3)
+#define PPC_RADIX_INVALIDATE_ERAT_GUEST        PPC_SLBIA(6)
 
 #define VCMPEQUD_RC(vrt, vra, vrb)     stringify_in_c(.long PPC_INST_VCMPEQUD | \
                              ___PPC_RT(vrt) | ___PPC_RA(vra) | \