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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2006-03-01 15:07:07 +1100
committerPaul Mackerras <paulus@samba.org>2006-03-03 22:00:23 +1100
commitaa5cb02143123289bd37c30c0ad60339f8da0bad (patch)
tree63044afa0e3348ec20d63b86ebfa9768123339e7 /arch/powerpc
parente2a002b9a731083c69add71b1f5014bac7dc1770 (diff)
[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>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/kernel/cputable.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 10696456a4c..e4e81374cb9 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,