[PATCH] powerpc: Expose SMT and L1 icache snoop userland features

This patch makes userland aware of the icache snoop capability of the
POWER5 (and possibly others in the future) and of SMT capabilities.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 10696456a4c6..e4e81374cb9a 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -53,8 +53,10 @@ extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
                                  PPC_FEATURE_HAS_MMU)
 #define COMMON_USER_PPC64       (COMMON_USER | PPC_FEATURE_64)
 #define COMMON_USER_POWER4      (COMMON_USER_PPC64 | PPC_FEATURE_POWER4)
-#define COMMON_USER_POWER5      (COMMON_USER_PPC64 | PPC_FEATURE_POWER5)
-#define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS)
+#define COMMON_USER_POWER5      (COMMON_USER_PPC64 | PPC_FEATURE_POWER5 |\
+                                 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
+#define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS|\
+                                 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
 #define COMMON_USER_BOOKE       (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \
                                  PPC_FEATURE_BOOKE)
 
@@ -267,7 +269,8 @@ struct cpu_spec	cpu_specs[] = {
                 .cpu_name               = "Cell Broadband Engine",
                 .cpu_features           = CPU_FTRS_CELL,
                 .cpu_user_features      = COMMON_USER_PPC64 |
-                        PPC_FEATURE_CELL | PPC_FEATURE_HAS_ALTIVEC_COMP,
+                        PPC_FEATURE_CELL | PPC_FEATURE_HAS_ALTIVEC_COMP |
+                        PPC_FEATURE_SMT,
                 .icache_bsize           = 128,
                 .dcache_bsize           = 128,
                 .cpu_setup              = __setup_cpu_be,