30 files changed, 387 insertions, 472 deletions

diff --git a/include/asm-powerpc/bug.h b/include/asm-powerpc/bug.h
index 99817a802ca4..f44b529e3298 100644
--- a/include/asm-powerpc/bug.h
+++ b/include/asm-powerpc/bug.h
@@ -30,34 +30,60 @@ struct bug_entry *find_bug(unsigned long bugaddr);
 
 #ifdef CONFIG_BUG
 
+/*
+ * BUG_ON() and WARN_ON() do their best to cooperate with compile-time
+ * optimisations. However depending on the complexity of the condition
+ * some compiler versions may not produce optimal results.
+ */
+
 #define BUG() do {                                                       \
         __asm__ __volatile__(                                            \
                 "1:     twi 31,0,0\n"                                    \
                 ".section __bug_table,\"a\"\n"                           \
-                "\t"PPC_LONG"   1b,%0,%1,%2\n"                   \
+                "\t"PPC_LONG"   1b,%0,%1,%2\n"                           \
                 ".previous"                                              \
                 : : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \
 } while (0)
 
 #define BUG_ON(x) do {                                          \
-        __asm__ __volatile__(                                   \
+        if (__builtin_constant_p(x)) {                          \
+                if (x)                                          \
+                        BUG();                                  \
+        } else {                                                \
+                __asm__ __volatile__(                           \
                 "1:     "PPC_TLNEI"     %0,0\n"                 \
                 ".section __bug_table,\"a\"\n"                  \
-                "\t"PPC_LONG"   1b,%1,%2,%3\n"          \
+                "\t"PPC_LONG"   1b,%1,%2,%3\n"                  \
                 ".previous"                                     \
                 : : "r" ((long)(x)), "i" (__LINE__),            \
                     "i" (__FILE__), "i" (__FUNCTION__));        \
+        }                                                       \
 } while (0)
 
-#define WARN_ON(x) do {                                         \
+#define __WARN() do {                                           \
         __asm__ __volatile__(                                   \
+                "1:     twi 31,0,0\n"                           \
+                ".section __bug_table,\"a\"\n"                  \
+                "\t"PPC_LONG"   1b,%0,%1,%2\n"                  \
+                ".previous"                                     \
+                : : "i" (__LINE__ + BUG_WARNING_TRAP),          \
+                    "i" (__FILE__), "i" (__FUNCTION__));        \
+} while (0)
+
+#define WARN_ON(x) do {                                         \
+        if (__builtin_constant_p(x)) {                          \
+                if (x)                                          \
+                        __WARN();                               \
+        } else {                                                \
+                __asm__ __volatile__(                           \
                 "1:     "PPC_TLNEI"     %0,0\n"                 \
                 ".section __bug_table,\"a\"\n"                  \
-                "\t"PPC_LONG"   1b,%1,%2,%3\n"          \
+                "\t"PPC_LONG"   1b,%1,%2,%3\n"                  \
                 ".previous"                                     \
                 : : "r" ((long)(x)),                            \
                     "i" (__LINE__ + BUG_WARNING_TRAP),          \
                     "i" (__FILE__), "i" (__FUNCTION__));        \
+        }                                                       \
 } while (0)
 
 #define HAVE_ARCH_BUG
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index fe45f6f3a4be..4321483cce51 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -188,153 +188,154 @@ extern void do_cpu_ftr_fixups(unsigned long offset);
                      !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \
                      !defined(CONFIG_BOOKE))
 
-enum {
-        CPU_FTRS_PPC601 = CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE,
-        CPU_FTRS_603 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_604 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE,
-        CPU_FTRS_740_NOTAU = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_740 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_750 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_750FX1 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP |
-            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM,
-        CPU_FTRS_750FX2 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP |
-            CPU_FTR_NO_DPM,
-        CPU_FTRS_750FX = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP |
-            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS,
-        CPU_FTRS_750GX = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
-            CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP |
-            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS,
-        CPU_FTRS_7400_NOTAU = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE |
-            CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_7400 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE |
-            CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_7450_20 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7450_21 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7450_23 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7455_1 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7455_20 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP |
-            CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS,
-        CPU_FTRS_7455 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7447_10 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC,
-        CPU_FTRS_7447 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7447A = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_82XX = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB,
-        CPU_FTRS_G2_LE = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
-            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS,
-        CPU_FTRS_E300 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
-            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_COMMON,
-        CPU_FTRS_CLASSIC32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE,
-        CPU_FTRS_POWER3_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE,
-        CPU_FTRS_POWER4_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_970_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_8XX = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB,
-        CPU_FTRS_40X = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_44X = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_E200 = CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_E500 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_E500_2 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_GENERIC_32 = CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN,
+#define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE)
+#define CPU_FTRS_603    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_604    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE)
+#define CPU_FTRS_740_NOTAU      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_740    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_750    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_750FX1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
+            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
+#define CPU_FTRS_750FX2 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
+            CPU_FTR_NO_DPM)
+#define CPU_FTRS_750FX  (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
+            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS)
+#define CPU_FTRS_750GX  (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
+            CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
+            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS)
+#define CPU_FTRS_7400_NOTAU     (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
+            CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_7400   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
+            CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_7450_20        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7450_21        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7450_23        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7455_1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7455_20        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
+            CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS)
+#define CPU_FTRS_7455   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7447_10        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC)
+#define CPU_FTRS_7447   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7447A  (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_82XX   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB)
+#define CPU_FTRS_G2_LE  (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
+            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS)
+#define CPU_FTRS_E300   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
+            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_COMMON)
+#define CPU_FTRS_CLASSIC32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
+#define CPU_FTRS_POWER3_32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
+#define CPU_FTRS_POWER4_32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_970_32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_8XX    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB)
+#define CPU_FTRS_40X    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_44X    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_E200   (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_E500   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_E500_2 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_GENERIC_32     (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
 #ifdef __powerpc64__
-        CPU_FTRS_POWER3 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_IABR,
-        CPU_FTRS_RS64 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
-            CPU_FTR_MMCRA | CPU_FTR_CTRL,
-        CPU_FTRS_POWER4 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA,
-        CPU_FTRS_PPC970 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 |
-            CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA,
-        CPU_FTRS_POWER5 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 |
-            CPU_FTR_MMCRA | CPU_FTR_SMT |
-            CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE |
-            CPU_FTR_MMCRA_SIHV | CPU_FTR_PURR,
-        CPU_FTRS_CELL = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 |
-            CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT |
-            CPU_FTR_CTRL | CPU_FTR_PAUSE_ZERO,
-        CPU_FTRS_COMPATIBLE = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2,
+#define CPU_FTRS_POWER3 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_IABR)
+#define CPU_FTRS_RS64   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | \
+            CPU_FTR_MMCRA | CPU_FTR_CTRL)
+#define CPU_FTRS_POWER4 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA)
+#define CPU_FTRS_PPC970 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
+            CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA)
+#define CPU_FTRS_POWER5 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
+            CPU_FTR_MMCRA | CPU_FTR_SMT | \
+            CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
+            CPU_FTR_MMCRA_SIHV | CPU_FTR_PURR)
+#define CPU_FTRS_CELL   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
+            CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
+            CPU_FTR_CTRL | CPU_FTR_PAUSE_ZERO)
+#define CPU_FTRS_COMPATIBLE     (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2)
 #endif
 
-        CPU_FTRS_POSSIBLE =
 #ifdef __powerpc64__
-            CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |
-            CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_CELL |
-            CPU_FTR_CI_LARGE_PAGE |
+#define CPU_FTRS_POSSIBLE       \
+            (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |        \
+            CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_CELL | \
+            CPU_FTR_CI_LARGE_PAGE)
 #else
+enum {
+        CPU_FTRS_POSSIBLE =
 #if CLASSIC_PPC
             CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
             CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
@@ -368,14 +369,18 @@ enum {
 #ifdef CONFIG_E500
             CPU_FTRS_E500 | CPU_FTRS_E500_2 |
 #endif
-#endif /* __powerpc64__ */
             0,
+};
+#endif /* __powerpc64__ */
 
-        CPU_FTRS_ALWAYS =
 #ifdef __powerpc64__
-            CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 &
-            CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_CELL &
+#define CPU_FTRS_ALWAYS         \
+            (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 &        \
+            CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_CELL & \
+            CPU_FTRS_POSSIBLE)
 #else
+enum {
+        CPU_FTRS_ALWAYS =
 #if CLASSIC_PPC
             CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
             CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
@@ -409,9 +414,9 @@ enum {
 #ifdef CONFIG_E500
             CPU_FTRS_E500 & CPU_FTRS_E500_2 &
 #endif
-#endif /* __powerpc64__ */
             CPU_FTRS_POSSIBLE,
 };
+#endif /* __powerpc64__ */
 
 static inline int cpu_has_feature(unsigned long feature)
 {
diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h
index ce3788224ed0..77069df92bf8 100644
--- a/include/asm-powerpc/firmware.h
+++ b/include/asm-powerpc/firmware.h
@@ -82,13 +82,11 @@ enum {
 /* This is used to identify firmware features which are available
  * to the kernel.
  */
-extern unsigned long    ppc64_firmware_features;
+extern unsigned long    powerpc_firmware_features;
 
-static inline unsigned long firmware_has_feature(unsigned long feature)
-{
-        return (FW_FEATURE_ALWAYS & feature) ||
-                (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature);
-}
+#define firmware_has_feature(feature)                                   \
+        ((FW_FEATURE_ALWAYS & (feature)) ||                             \
+                (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
 
 extern void system_reset_fwnmi(void);
 extern void machine_check_fwnmi(void);
diff --git a/include/asm-powerpc/floppy.h b/include/asm-powerpc/floppy.h
index e258778ca429..608164c39efb 100644
--- a/include/asm-powerpc/floppy.h
+++ b/include/asm-powerpc/floppy.h
@@ -35,6 +35,7 @@
 #ifdef CONFIG_PCI
 
 #include <linux/pci.h>
+#include <asm/ppc-pci.h>        /* for ppc64_isabridge_dev */
 
 #define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io)
 
@@ -52,12 +53,12 @@ static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size,
         if (bus_addr 
             && (addr != prev_addr || size != prev_size || dir != prev_dir)) {
                 /* different from last time -- unmap prev */
-                pci_unmap_single(NULL, bus_addr, prev_size, prev_dir);
+                pci_unmap_single(ppc64_isabridge_dev, bus_addr, prev_size, prev_dir);
                 bus_addr = 0;
         }
 
         if (!bus_addr)  /* need to map it */
-                bus_addr = pci_map_single(NULL, addr, size, dir);
+                bus_addr = pci_map_single(ppc64_isabridge_dev, addr, size, dir);
 
         /* remember this one as prev */
         prev_addr = addr;
diff --git a/include/asm-powerpc/hvcall.h b/include/asm-powerpc/hvcall.h
index 38ca9ad6110d..b72c04f3f551 100644
--- a/include/asm-powerpc/hvcall.h
+++ b/include/asm-powerpc/hvcall.h
@@ -9,6 +9,7 @@
 #define H_Closed        2       /* Resource closed */
 #define H_Constrained   4       /* Resource request constrained to max allowed */
 #define H_InProgress   14       /* Kind of like busy */
+#define H_Pending      17       /* returned from H_POLL_PENDING */
 #define H_Continue     18       /* Returned from H_Join on success */
 #define H_LongBusyStartRange   9900  /* Start of long busy range */
 #define H_LongBusyOrder1msec   9900  /* Long busy, hint that 1msec is a good time to retry */
diff --git a/include/asm-powerpc/hvconsole.h b/include/asm-powerpc/hvconsole.h
index 34daf7b9b62f..35ea69e8121f 100644
--- a/include/asm-powerpc/hvconsole.h
+++ b/include/asm-powerpc/hvconsole.h
@@ -24,28 +24,18 @@
 #ifdef __KERNEL__
 
 /*
- * This is the max number of console adapters that can/will be found as
- * console devices on first stage console init.  Any number beyond this range
- * can't be used as a console device but is still a valid tty device.
+ * PSeries firmware will only send/recv up to 16 bytes of character data per
+ * hcall.
  */
-#define MAX_NR_HVC_CONSOLES     16
+#define MAX_VIO_PUT_CHARS       16
+#define SIZE_VIO_GET_CHARS      16
 
-/* implemented by a low level driver */
-struct hv_ops {
-        int (*get_chars)(uint32_t vtermno, char *buf, int count);
-        int (*put_chars)(uint32_t vtermno, const char *buf, int count);
-};
+/*
+ * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars.  The 'count'
+ * parm is included to conform to put_chars() function pointer template
+ */
 extern int hvc_get_chars(uint32_t vtermno, char *buf, int count);
 extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count);
 
-struct hvc_struct;
-
-/* Register a vterm and a slot index for use as a console (console_init) */
-extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops);
-/* register a vterm for hvc tty operation (module_init or hotplug add) */
-extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq,
-                                                 struct hv_ops *ops);
-/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */
-extern int __devexit hvc_remove(struct hvc_struct *hp);
 #endif /* __KERNEL__ */
 #endif /* _PPC64_HVCONSOLE_H */
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index 5348b820788c..5ed847680754 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -47,6 +47,7 @@ struct smp_ops_t {
 #endif
 
 struct machdep_calls {
+        char            *name;
 #ifdef CONFIG_PPC64
         void            (*hpte_invalidate)(unsigned long slot,
                                            unsigned long va,
@@ -85,9 +86,9 @@ struct machdep_calls {
         void            (*iommu_dev_setup)(struct pci_dev *dev);
         void            (*iommu_bus_setup)(struct pci_bus *bus);
         void            (*irq_bus_setup)(struct pci_bus *bus);
-#endif
+#endif /* CONFIG_PPC64 */
 
-        int             (*probe)(int platform);
+        int             (*probe)(void);
         void            (*setup_arch)(void);
         void            (*init_early)(void);
         /* Optional, may be NULL. */
@@ -158,6 +159,12 @@ struct machdep_calls {
         /* Idle loop for this platform, leave empty for default idle loop */
         void            (*idle_loop)(void);
 
+        /*
+         * Function for waiting for work with reduced power in idle loop;
+         * called with interrupts disabled.
+         */
+        void            (*power_save)(void);
+
         /* Function to enable performance monitor counters for this
            platform, called once per cpu. */
         void            (*enable_pmcs)(void);
@@ -170,13 +177,6 @@ struct machdep_calls {
            May be NULL. */
         void            (*init)(void);
 
-        void            (*idle)(void);
-        void            (*power_save)(void);
-
-        void            (*heartbeat)(void);
-        unsigned long   heartbeat_reset;
-        unsigned long   heartbeat_count;
-
         void            (*setup_io_mappings)(void);
 
         void            (*early_serial_map)(void);
@@ -208,8 +208,6 @@ struct machdep_calls {
         /* Called at then very end of pcibios_init() */
         void (*pcibios_after_init)(void);
 
-        /* this is for modules, since _machine can be a define -- Cort */
-        int ppc_machine;
 #endif /* CONFIG_PPC32 */
 
         /* Called to shutdown machine specific hardware not already controlled
@@ -242,10 +240,29 @@ struct machdep_calls {
 #endif /* CONFIG_KEXEC */
 };
 
-extern void default_idle(void);
-extern void native_idle(void);
+extern void power4_idle(void);
+extern void ppc6xx_idle(void);
 
+/*
+ * ppc_md contains a copy of the machine description structure for the
+ * current platform. machine_id contains the initial address where the
+ * description was found during boot.
+ */
 extern struct machdep_calls ppc_md;
+extern struct machdep_calls *machine_id;
+
+#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
+
+#define define_machine(name) struct machdep_calls mach_##name __machine_desc =
+#define machine_is(name) \
+        ({ \
+                extern struct machdep_calls mach_##name \
+                        __attribute__((weak));           \
+                machine_id == &mach_##name; \
+        })
+
+extern void probe_machine(void);
+
 extern char cmd_line[COMMAND_LINE_SIZE];
 
 #ifdef CONFIG_PPC_PMAC
diff --git a/include/asm-powerpc/oprofile_impl.h b/include/asm-powerpc/oprofile_impl.h
index 338e6a7cff4a..5b33994cd488 100644
--- a/include/asm-powerpc/oprofile_impl.h
+++ b/include/asm-powerpc/oprofile_impl.h
@@ -17,9 +17,6 @@
 
 /* Per-counter configuration as set via oprofilefs.  */
 struct op_counter_config {
-#ifdef __powerpc64__
-        unsigned long valid;
-#endif
         unsigned long enabled;
         unsigned long event;
         unsigned long count;
@@ -38,9 +35,6 @@ struct op_system_config {
 #endif
         unsigned long enable_kernel;
         unsigned long enable_user;
-#ifdef CONFIG_PPC64
-        unsigned long backtrace_spinlocks;
-#endif
 };
 
 /* Per-arch configuration */
@@ -56,17 +50,12 @@ struct op_powerpc_model {
         int num_counters;
 };
 
-#ifdef CONFIG_FSL_BOOKE
 extern struct op_powerpc_model op_model_fsl_booke;
-#else /* Otherwise, it's classic */
-
-#ifdef CONFIG_PPC64
 extern struct op_powerpc_model op_model_rs64;
 extern struct op_powerpc_model op_model_power4;
-
-#else /* Otherwise, CONFIG_PPC32 */
 extern struct op_powerpc_model op_model_7450;
-#endif
+
+#ifndef CONFIG_FSL_BOOKE
 
 /* All the classic PPC parts use these */
 static inline unsigned int ctr_read(unsigned int i)
@@ -134,5 +123,7 @@ static inline void ctr_write(unsigned int i, unsigned int val)
 }
 #endif /* !CONFIG_FSL_BOOKE */
 
+extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth);
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index 4465b95ebef0..706325f99a84 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -105,5 +105,7 @@ struct paca_struct {
 
 extern struct paca_struct paca[];
 
+void setup_boot_paca(void);
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_PACA_H */
diff --git a/include/asm-powerpc/percpu.h b/include/asm-powerpc/percpu.h
index 464301cd0d03..184a7a4d2fdf 100644
--- a/include/asm-powerpc/percpu.h
+++ b/include/asm-powerpc/percpu.h
@@ -27,7 +27,7 @@
 #define percpu_modcopy(pcpudst, src, size)                      \
 do {                                                            \
         unsigned int __i;                                       \
-        for_each_cpu(__i)                                       \
+        for_each_possible_cpu(__i)                              \
                 memcpy((pcpudst)+__per_cpu_offset(__i),         \
                        (src), (size));                          \
 } while (0)
diff --git a/include/asm-powerpc/pmac_feature.h b/include/asm-powerpc/pmac_feature.h
index 3221628130c4..d3599cc9aa74 100644
--- a/include/asm-powerpc/pmac_feature.h
+++ b/include/asm-powerpc/pmac_feature.h
@@ -305,7 +305,7 @@ extern void pmac_feature_init(void);
 extern void pmac_set_early_video_resume(void (*proc)(void *data), void *data);
 extern void pmac_call_early_video_resume(void);
 
-#define PMAC_FTR_DEF(x) ((_MACH_Pmac << 16) | (x))
+#define PMAC_FTR_DEF(x) ((0x6660000) | (x))
 
 /* The AGP driver registers itself here */
 extern void pmac_register_agp_pm(struct pci_dev *bridge,
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index 1c64a211cf19..93f83efeb310 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -22,22 +22,6 @@
  * -- BenH.
  */
 
-/* Platforms codes (to be obsoleted) */
-#define PLATFORM_PSERIES        0x0100
-#define PLATFORM_PSERIES_LPAR   0x0101
-#define PLATFORM_ISERIES_LPAR   0x0201
-#define PLATFORM_LPAR           0x0001
-#define PLATFORM_POWERMAC       0x0400
-#define PLATFORM_MAPLE          0x0500
-#define PLATFORM_PREP           0x0600
-#define PLATFORM_CHRP           0x0700
-#define PLATFORM_CELL           0x1000
-
-/* Compat platform codes for 32 bits */
-#define _MACH_prep      PLATFORM_PREP
-#define _MACH_Pmac      PLATFORM_POWERMAC
-#define _MACH_chrp      PLATFORM_CHRP
-
 /* PREP sub-platform types see residual.h for these */
 #define _PREP_Motorola  0x01    /* motorola prep */
 #define _PREP_Firm      0x02    /* firmworks prep */
@@ -49,18 +33,14 @@
 #define _CHRP_IBM       0x05    /* IBM chrp, the longtrail and longtrail 2 */
 #define _CHRP_Pegasos   0x06    /* Genesi/bplan's Pegasos and Pegasos2 */
 
-#ifdef __KERNEL__
-#define platform_is_pseries()   (_machine == PLATFORM_PSERIES || \
-                                 _machine == PLATFORM_PSERIES_LPAR)
+#if defined(__KERNEL__) && defined(CONFIG_PPC32)
 
-#if defined(CONFIG_PPC_MULTIPLATFORM)
-extern int _machine;
+extern int _chrp_type;
 
-#ifdef CONFIG_PPC32
+#ifdef CONFIG_PPC_PREP
 
 /* what kind of prep workstation we are */
 extern int _prep_type;
-extern int _chrp_type;
 
 /*
  * This is used to identify the board type from a given PReP board
@@ -70,17 +50,14 @@ extern int _chrp_type;
 extern unsigned char ucBoardRev;
 extern unsigned char ucBoardRevMaj, ucBoardRevMin;
 
-#endif /* CONFIG_PPC32 */
+#endif /* CONFIG_PPC_PREP */
 
-#elif defined(CONFIG_PPC_ISERIES)
-/*
- * iSeries is soon to become MULTIPLATFORM hopefully ...
- */
-#define _machine PLATFORM_ISERIES_LPAR
-#else
+#ifndef CONFIG_PPC_MULTIPLATFORM
 #define _machine 0
 #endif /* CONFIG_PPC_MULTIPLATFORM */
-#endif /* __KERNEL__ */
+
+#endif /* defined(__KERNEL__) && defined(CONFIG_PPC32) */
+
 /*
  * Default implementation of macro that returns current
  * instruction pointer ("program counter").
@@ -251,6 +228,10 @@ static inline unsigned long __pack_fe01(unsigned int fpmode)
 #define cpu_relax()     barrier()
 #endif
 
+/* Check that a certain kernel stack pointer is valid in task_struct p */
+int validate_sp(unsigned long sp, struct task_struct *p,
+                       unsigned long nbytes);
+
 /*
  * Prefetch macros.
  */
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 782e13a070a1..97ef1cd71a4d 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -149,12 +149,14 @@ extern struct device_node *of_node_get(struct device_node *node);
 extern void of_node_put(struct device_node *node);
 
 /* For scanning the flat device-tree at boot time */
-int __init of_scan_flat_dt(int (*it)(unsigned long node,
-                                     const char *uname, int depth,
-                                     void *data),
-                           void *data);
-void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
-                                 unsigned long *size);
+extern int __init of_scan_flat_dt(int (*it)(unsigned long node,
+                                            const char *uname, int depth,
+                                            void *data),
+                                  void *data);
+extern void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
+                                        unsigned long *size);
+extern int __init of_flat_dt_is_compatible(unsigned long node, const char *name);
+extern unsigned long __init of_get_flat_dt_root(void);
 
 /* For updating the device tree at runtime */
 extern void of_attach_node(struct device_node *);
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h
index 72bfe3af0460..bd467bf5cf5a 100644
--- a/include/asm-powerpc/reg.h
+++ b/include/asm-powerpc/reg.h
@@ -622,6 +622,10 @@ extern void ppc64_runlatch_off(void);
 extern unsigned long scom970_read(unsigned int address);
 extern void scom970_write(unsigned int address, unsigned long value);
 
+#else
+#define ppc64_runlatch_on()
+#define ppc64_runlatch_off()
+
 #endif /* CONFIG_PPC64 */
 
 #define __get_SP()      ({unsigned long sp; \
diff --git a/include/asm-powerpc/smp.h b/include/asm-powerpc/smp.h
index 98581e5a8279..4a716f707cf6 100644
--- a/include/asm-powerpc/smp.h
+++ b/include/asm-powerpc/smp.h
@@ -29,7 +29,6 @@
 #endif
 
 extern int boot_cpuid;
-extern int boot_cpuid_phys;
 
 extern void cpu_die(void);
 
@@ -99,6 +98,7 @@ extern void smp_release_cpus(void);
 #else
 /* 32-bit */
 #ifndef CONFIG_SMP
+extern int boot_cpuid_phys;
 #define get_hard_smp_processor_id(cpu)  boot_cpuid_phys
 #define set_hard_smp_processor_id(cpu, phys)
 #endif
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index 38bacf2f6e0c..f431d8b0b651 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -110,6 +110,7 @@ struct spu {
         char *name;
         unsigned long local_store_phys;
         u8 *local_store;
+        unsigned long problem_phys;
         struct spu_problem __iomem *problem;
         struct spu_priv1 __iomem *priv1;
         struct spu_priv2 __iomem *priv2;
@@ -137,6 +138,7 @@ struct spu {
         void (* wbox_callback)(struct spu *spu);
         void (* ibox_callback)(struct spu *spu);
         void (* stop_callback)(struct spu *spu);
+        void (* mfc_callback)(struct spu *spu);
 
         char irq_c0[8];
         char irq_c1[8];
@@ -149,6 +151,14 @@ int spu_irq_class_0_bottom(struct spu *spu);
 int spu_irq_class_1_bottom(struct spu *spu);
 void spu_irq_setaffinity(struct spu *spu, int cpu);
 
+/* system callbacks from the SPU */
+struct spu_syscall_block {
+        u64 nr_ret;
+        u64 parm[6];
+};
+extern long spu_sys_callback(struct spu_syscall_block *s);
+
+/* syscalls implemented in spufs */
 extern struct spufs_calls {
         asmlinkage long (*create_thread)(const char __user *name,
                                         unsigned int flags, mode_t mode);
@@ -399,7 +409,6 @@ struct spu_priv1 {
 #define SPU_GET_REVISION_BITS(vr)       (vr & SPU_REVISION_BITS)
         u8  pad_0x28_0x100[0x100 - 0x28];                       /* 0x28 */
 
-
         /* Interrupt Area */
         u64 int_mask_RW[3];                                     /* 0x100 */
 #define CLASS0_ENABLE_DMA_ALIGNMENT_INTR                0x1L
diff --git a/include/asm-powerpc/syscalls.h b/include/asm-powerpc/syscalls.h
new file mode 100644
index 000000000000..c2fe79d4f90f
--- /dev/null
+++ b/include/asm-powerpc/syscalls.h
@@ -0,0 +1,58 @@
+#ifndef __ASM_POWERPC_SYSCALLS_H
+#define __ASM_POWERPC_SYSCALLS_H
+#ifdef __KERNEL__
+
+#include <linux/compiler.h>
+#include <linux/linkage.h>
+#include <linux/types.h>
+#include <asm/signal.h>
+
+struct new_utsname;
+struct pt_regs;
+struct rtas_args;
+struct sigaction;
+
+asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len,
+                unsigned long prot, unsigned long flags,
+                unsigned long fd, off_t offset);
+asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len,
+                unsigned long prot, unsigned long flags,
+                unsigned long fd, unsigned long pgoff);
+asmlinkage int sys_execve(unsigned long a0, unsigned long a1,
+                unsigned long a2, unsigned long a3, unsigned long a4,
+                unsigned long a5, struct pt_regs *regs);
+asmlinkage int sys_clone(unsigned long clone_flags, unsigned long usp,
+                int __user *parent_tidp, void __user *child_threadptr,
+                int __user *child_tidp, int p6, struct pt_regs *regs);
+asmlinkage int sys_fork(unsigned long p1, unsigned long p2,
+                unsigned long p3, unsigned long p4, unsigned long p5,
+                unsigned long p6, struct pt_regs *regs);
+asmlinkage int sys_vfork(unsigned long p1, unsigned long p2,
+                unsigned long p3, unsigned long p4, unsigned long p5,
+                unsigned long p6, struct pt_regs *regs);
+asmlinkage int sys_pipe(int __user *fildes);
+asmlinkage long sys_rt_sigaction(int sig,
+                const struct sigaction __user *act,
+                struct sigaction __user *oact, size_t sigsetsize);
+asmlinkage int sys_ipc(uint call, int first, unsigned long second,
+                long third, void __user *ptr, long fifth);
+asmlinkage long ppc64_personality(unsigned long personality);
+asmlinkage int ppc_rtas(struct rtas_args __user *uargs);
+asmlinkage time_t sys64_time(time_t __user * tloc);
+asmlinkage long ppc_newuname(struct new_utsname __user * name);
+
+asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
+                size_t sigsetsize);
+
+#ifndef __powerpc64__
+asmlinkage long sys_sigaltstack(const stack_t __user *uss,
+                stack_t __user *uoss, int r5, int r6, int r7, int r8,
+                struct pt_regs *regs);
+#else /* __powerpc64__ */
+asmlinkage long sys_sigaltstack(const stack_t __user *uss,
+                stack_t __user *uoss, unsigned long r5, unsigned long r6,
+                unsigned long r7, unsigned long r8, struct pt_regs *regs);
+#endif /* __powerpc64__ */
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_POWERPC_SYSCALLS_H */
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h
index 35556993f066..1e990747dce7 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -425,6 +425,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
 #include <linux/types.h>
 #include <linux/compiler.h>
 #include <linux/linkage.h>
+#include <asm/syscalls.h>
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
@@ -460,44 +461,10 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
  * System call prototypes.
  */
 #ifdef __KERNEL_SYSCALLS__
-extern pid_t setsid(void);
-extern int write(int fd, const char *buf, off_t count);
-extern int read(int fd, char *buf, off_t count);
-extern off_t lseek(int fd, off_t offset, int count);
-extern int dup(int fd);
 extern int execve(const char *file, char **argv, char **envp);
-extern int open(const char *file, int flag, int mode);
-extern int close(int fd);
-extern pid_t waitpid(pid_t pid, int *wait_stat, int options);
 #endif /* __KERNEL_SYSCALLS__ */
 
 /*
- * Functions that implement syscalls.
- */
-unsigned long sys_mmap(unsigned long addr, size_t len, unsigned long prot,
-                       unsigned long flags, unsigned long fd, off_t offset);
-unsigned long sys_mmap2(unsigned long addr, size_t len,
-                        unsigned long prot, unsigned long flags,
-                        unsigned long fd, unsigned long pgoff);
-struct pt_regs;
-int sys_execve(unsigned long a0, unsigned long a1, unsigned long a2,
-                unsigned long a3, unsigned long a4, unsigned long a5,
-                struct pt_regs *regs);
-int sys_clone(unsigned long clone_flags, unsigned long usp,
-                int __user *parent_tidp, void __user *child_threadptr,
-                int __user *child_tidp, int p6, struct pt_regs *regs);
-int sys_fork(unsigned long p1, unsigned long p2, unsigned long p3,
-                unsigned long p4, unsigned long p5, unsigned long p6,
-                struct pt_regs *regs);
-int sys_vfork(unsigned long p1, unsigned long p2, unsigned long p3,
-                unsigned long p4, unsigned long p5, unsigned long p6,
-                struct pt_regs *regs);
-int sys_pipe(int __user *fildes);
-struct sigaction;
-long sys_rt_sigaction(int sig, const struct sigaction __user *act,
-                      struct sigaction __user *oact, size_t sigsetsize);
-
-/*
  * "Conditional" syscalls
  *
  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h
index 7aa92086c3fb..8a94f0eba5e9 100644
--- a/include/asm-powerpc/vdso_datapage.h
+++ b/include/asm-powerpc/vdso_datapage.h
@@ -55,6 +55,9 @@ struct vdso_data {
                 __u32 minor;            /* Minor number                 0x14 */
         } version;
 
+        /* Note about the platform flags: it now only contains the lpar
+         * bit. The actual platform number is dead and burried
+         */
         __u32 platform;                 /* Platform flags               0x18 */
         __u32 processor;                /* Processor type               0x1C */
         __u64 processorCount;           /* # of physical processors     0x20 */
diff --git a/include/asm-ppc/machdep.h b/include/asm-ppc/machdep.h
index a3e8a45e45a9..e1a0a7b213d7 100644
--- a/include/asm-ppc/machdep.h
+++ b/include/asm-ppc/machdep.h
@@ -19,6 +19,18 @@ struct pci_dev;
 struct seq_file;
 struct file;
 
+/*
+ * This is for compatibility with ARCH=powerpc.
+ */
+#define machine_is(x)   __MACHINE_IS_##x
+#define __MACHINE_IS_powermac   0
+#define __MACHINE_IS_chrp       0
+#ifdef CONFIG_PPC_PREP
+#define __MACHINE_IS_prep       1
+#else
+#define __MACHINE_IS_prep       0
+#endif
+
 /* We export this macro for external modules like Alsa to know if
  * ppc_md.feature_call is implemented or not
  */
@@ -44,7 +56,7 @@ struct machdep_calls {
         void            (*power_off)(void);
         void            (*halt)(void);
 
-        void            (*idle)(void);
+        void            (*idle_loop)(void);
         void            (*power_save)(void);
 
         long            (*time_init)(void); /* Optional, may be NULL */
@@ -104,9 +116,6 @@ struct machdep_calls {
                                                 unsigned long size,
                                                 pgprot_t vma_prot);
 
-        /* this is for modules, since _machine can be a define -- Cort */
-        int ppc_machine;
-
         /* Motherboard/chipset features. This is a kind of general purpose
          * hook used to control some machine specific features (like reset
          * lines, chip power control, etc...).
diff --git a/include/asm-ppc/mpc52xx.h b/include/asm-ppc/mpc52xx.h
index 6167f74635f7..7e9842805a28 100644
--- a/include/asm-ppc/mpc52xx.h
+++ b/include/asm-ppc/mpc52xx.h
@@ -355,6 +355,7 @@ struct mpc52xx_xlb {
         u32     snoop_window;           /* XLB + 0x70 */
 };
 
+#define MPC52xx_XLB_CFG_PLDIS           (1 << 31)
 #define MPC52xx_XLB_CFG_SNOOP           (1 << 15)
 
 /* Clock Distribution control */
@@ -427,6 +428,9 @@ extern void mpc52xx_calibrate_decr(void);
 
 extern void mpc52xx_find_bridges(void);
 
+extern void mpc52xx_setup_cpu(void);
+
+
 
         /* Matching of PSC function */
 struct mpc52xx_psc_func {
diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h
index e1c62da12e74..570b355162fa 100644
--- a/include/asm-ppc/pgtable.h
+++ b/include/asm-ppc/pgtable.h
@@ -837,7 +837,8 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
  */
 #define pgtable_cache_init()    do { } while (0)
 
-extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep);
+extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep,
+                      pmd_t **pmdp);
 
 #include <asm-generic/pgtable.h>
 
diff --git a/include/asm-ppc/prom.h b/include/asm-ppc/prom.h
index 6d431d6fb022..adc5ae784924 100644
--- a/include/asm-ppc/prom.h
+++ b/include/asm-ppc/prom.h
@@ -8,126 +8,19 @@
 #ifndef _PPC_PROM_H
 #define _PPC_PROM_H
 
-#include <linux/config.h>
-#include <linux/types.h>
-
-typedef u32 phandle;
-typedef u32 ihandle;
-
-struct address_range {
-        unsigned int space;
-        unsigned int address;
-        unsigned int size;
-};
-
-struct interrupt_info {
-        int     line;
-        int     sense;          /* +ve/-ve logic, edge or level, etc. */
-};
-
+/* This is used in arch/ppc/mm/mem_pieces.h */
 struct reg_property {
         unsigned int address;
         unsigned int size;
 };
 
-struct property {
-        char    *name;
-        int     length;
-        unsigned char *value;
-        struct property *next;
-};
-
-/*
- * Note: don't change this structure for now or you'll break BootX !
- */
-struct device_node {
-        char    *name;
-        char    *type;
-        phandle node;
-        int     n_addrs;
-        struct  address_range *addrs;
-        int     n_intrs;
-        struct  interrupt_info *intrs;
-        char    *full_name;
-        struct  property *properties;
-        struct  device_node *parent;
-        struct  device_node *child;
-        struct  device_node *sibling;
-        struct  device_node *next;      /* next device of same type */
-        struct  device_node *allnext;   /* next in list of all nodes */
-};
-
-struct prom_args;
-typedef void (*prom_entry)(struct prom_args *);
-
-/* OBSOLETE: Old style node lookup */
-extern struct device_node *find_devices(const char *name);
-extern struct device_node *find_type_devices(const char *type);
-extern struct device_node *find_path_device(const char *path);
-extern struct device_node *find_compatible_devices(const char *type,
-                                                   const char *compat);
-extern struct device_node *find_all_nodes(void);
-
-/* New style node lookup */
-extern struct device_node *of_find_node_by_name(struct device_node *from,
-        const char *name);
-extern struct device_node *of_find_node_by_type(struct device_node *from,
-        const char *type);
-extern struct device_node *of_find_compatible_node(struct device_node *from,
-        const char *type, const char *compat);
-extern struct device_node *of_find_node_by_path(const char *path);
-extern struct device_node *of_find_all_nodes(struct device_node *prev);
-extern struct device_node *of_get_parent(const struct device_node *node);
-extern struct device_node *of_get_next_child(const struct device_node *node,
-                                             struct device_node *prev);
-extern struct device_node *of_node_get(struct device_node *node);
-extern void of_node_put(struct device_node *node);
-
-/* Other Prototypes */
-extern void abort(void);
-extern unsigned long prom_init(int, int, prom_entry);
-extern void prom_print(const char *msg);
-extern void relocate_nodes(void);
-extern void finish_device_tree(void);
-extern int device_is_compatible(struct device_node *device, const char *);
-extern int machine_is_compatible(const char *compat);
-extern unsigned char *get_property(struct device_node *node, const char *name,
-                                   int *lenp);
-extern int prom_add_property(struct device_node* np, struct property* prop);
-extern void prom_get_irq_senses(unsigned char *, int, int);
-extern int prom_n_addr_cells(struct device_node* np);
-extern int prom_n_size_cells(struct device_node* np);
-
-extern struct resource*
-request_OF_resource(struct device_node* node, int index, const char* name_postfix);
-extern int release_OF_resource(struct device_node* node, int index);
-
-extern void print_properties(struct device_node *node);
-extern int call_rtas(const char *service, int nargs, int nret,
-                     unsigned long *outputs, ...);
-
 /*
- * PCI <-> OF matching functions
- */
-struct pci_bus;
-struct pci_dev;
-extern int pci_device_from_OF_node(struct device_node *node,
-                                   u8* bus, u8* devfn);
-extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int);
-extern struct device_node* pci_device_to_OF_node(struct pci_dev *);
-extern void pci_create_OF_bus_map(void);
-
-/*
- * When we call back to the Open Firmware client interface, we usually
- * have to do that before the kernel is relocated to its final location
- * (this is because we can't use OF after we have overwritten the
- * exception vectors with our exception handlers).  These macros assist
- * in performing the address calculations that we need to do to access
- * data when the kernel is running at an address that is different from
- * the address that the kernel is linked at.  The reloc_offset() function
- * returns the difference between these two addresses and the macros
- * simplify the process of adding or subtracting this offset to/from
- * pointer values.  See arch/ppc/kernel/prom.c for how these are used.
+ * These macros assist in performing the address calculations that we
+ * need to do to access data when the kernel is running at an address
+ * that is different from the address that the kernel is linked at.
+ * The reloc_offset() function returns the difference between these
+ * two addresses and the macros simplify the process of adding or
+ * subtracting this offset to/from pointer values.
  */
 extern unsigned long reloc_offset(void);
 extern unsigned long add_reloc_offset(unsigned long);
@@ -136,45 +29,12 @@ extern unsigned long sub_reloc_offset(unsigned long);
 #define PTRRELOC(x)     ((typeof(x))add_reloc_offset((unsigned long)(x)))
 #define PTRUNRELOC(x)   ((typeof(x))sub_reloc_offset((unsigned long)(x)))
 
-
-/*
- * OF address retreival & translation
- */
-
-
-/* Translate an OF address block into a CPU physical address
- */
-#define OF_BAD_ADDR     ((u64)-1)
-extern u64 of_translate_address(struct device_node *np, u32 *addr);
-
-/* Extract an address from a device, returns the region size and
- * the address space flags too. The PCI version uses a BAR number
- * instead of an absolute index
- */
-extern u32 *of_get_address(struct device_node *dev, int index,
-                           u64 *size, unsigned int *flags);
-extern u32 *of_get_pci_address(struct device_node *dev, int bar_no,
-                               u64 *size, unsigned int *flags);
-
-/* Get an address as a resource. Note that if your address is
- * a PIO address, the conversion will fail if the physical address
- * can't be internally converted to an IO token with
- * pci_address_to_pio(), that is because it's either called to early
- * or it can't be matched to any host bridge IO space
- */
-extern int of_address_to_resource(struct device_node *dev, int index,
-                                  struct resource *r);
-extern int of_pci_address_to_resource(struct device_node *dev, int bar,
-                                      struct resource *r);
-
-#ifndef CONFIG_PPC_OF
 /*
- * Fallback definitions for builds where we don't have prom.c included.
+ * Fallback definitions since we don't support OF in arch/ppc any more.
  */
 #define machine_is_compatible(x)                0
 #define of_find_compatible_node(f, t, c)        NULL
 #define get_property(p, n, l)                   NULL
-#endif
 
 #endif /* _PPC_PROM_H */
 #endif /* __KERNEL__ */
diff --git a/include/asm-ppc/serial.h b/include/asm-ppc/serial.h
index 485a924e4d06..b74af5461564 100644
--- a/include/asm-ppc/serial.h
+++ b/include/asm-ppc/serial.h
@@ -41,15 +41,10 @@
 #else
 
 /*
- * XXX Assume for now it has PC-style ISA serial ports.
- * This is true for PReP and CHRP at least.
+ * XXX Assume it has PC-style ISA serial ports - true for PReP at least.
  */
 #include <asm/pc_serial.h>
 
-#if defined(CONFIG_MAC_SERIAL)
-#define SERIAL_DEV_OFFSET       ((_machine == _MACH_prep || _machine == _MACH_chrp) ? 0 : 2)
-#endif
-
 #endif /* !CONFIG_GEMINI and others */
 #endif /* __ASM_SERIAL_H__ */
 #endif /* __KERNEL__ */
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 92146f3b7423..41ecbb847f32 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -62,6 +62,8 @@
         .posix_timers    = LIST_HEAD_INIT(sig.posix_timers),            \
         .cpu_timers     = INIT_CPU_TIMERS(sig.cpu_timers),              \
         .rlim           = INIT_RLIMITS,                                 \
+        .pgrp           = 1,                                            \
+        .session        = 1,                                            \
 }
 
 #define INIT_SIGHAND(sighand) {                                         \
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index e2ab2ac18d6b..870fe38378b1 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -773,6 +773,7 @@
 #define PCI_DEVICE_ID_MOTOROLA_HAWK     0x4803
 #define PCI_DEVICE_ID_MOTOROLA_HARRIER  0x480b
 #define PCI_DEVICE_ID_MOTOROLA_MPC5200  0x5803
+#define PCI_DEVICE_ID_MOTOROLA_MPC5200B 0x5809
 
 #define PCI_VENDOR_ID_PROMISE           0x105a
 #define PCI_DEVICE_ID_PROMISE_20265     0x0d30
diff --git a/include/linux/pid.h b/include/linux/pid.h
index 5b2fcb19d2da..5b9082cc600f 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -4,7 +4,6 @@
 enum pid_type
 {
         PIDTYPE_PID,
-        PIDTYPE_TGID,
         PIDTYPE_PGID,
         PIDTYPE_SID,
         PIDTYPE_MAX
@@ -38,7 +37,6 @@ extern struct pid *FASTCALL(find_pid(enum pid_type, int));
 
 extern int alloc_pidmap(void);
 extern void FASTCALL(free_pidmap(int));
-extern void switch_exec_pids(struct task_struct *leader, struct task_struct *thread);
 
 #define do_each_task_pid(who, type, task)                               \
         if ((task = find_task_by_pid_type(type, who))) {                \
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 20b4f0372e44..d04186d8cc68 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -355,16 +355,8 @@ struct sighand_struct {
         atomic_t                count;
         struct k_sigaction      action[_NSIG];
         spinlock_t              siglock;
-        struct rcu_head         rcu;
 };
 
-extern void sighand_free_cb(struct rcu_head *rhp);
-
-static inline void sighand_free(struct sighand_struct *sp)
-{
-        call_rcu(&sp->rcu, sighand_free_cb);
-}
-
 /*
  * NOTE! "signal_struct" does not have it's own
  * locking, because a shared signal_struct always
@@ -760,6 +752,7 @@ struct task_struct {
 
         /* PID/PID hash table linkage. */
         struct pid pids[PIDTYPE_MAX];
+        struct list_head thread_group;
 
         struct completion *vfork_done;          /* for vfork() */
         int __user *set_child_tid;              /* CLONE_CHILD_SETTID */
@@ -1101,7 +1094,6 @@ extern void force_sig_specific(int, struct task_struct *);
 extern int send_sig(int, struct task_struct *, int);
 extern void zap_other_threads(struct task_struct *p);
 extern int kill_pg(pid_t, int, int);
-extern int kill_sl(pid_t, int, int);
 extern int kill_proc(pid_t, int, int);
 extern struct sigqueue *sigqueue_alloc(void);
 extern void sigqueue_free(struct sigqueue *);
@@ -1158,10 +1150,8 @@ extern void flush_thread(void);
 extern void exit_thread(void);
 
 extern void exit_files(struct task_struct *);
-extern void exit_signal(struct task_struct *);
-extern void __exit_signal(struct task_struct *);
-extern void exit_sighand(struct task_struct *);
-extern void __exit_sighand(struct task_struct *);
+extern void __cleanup_signal(struct signal_struct *);
+extern void __cleanup_sighand(struct sighand_struct *);
 extern void exit_itimers(struct signal_struct *);
 
 extern NORET_TYPE void do_group_exit(int);
@@ -1185,19 +1175,7 @@ extern void wait_task_inactive(task_t * p);
 #endif
 
 #define remove_parent(p)        list_del_init(&(p)->sibling)
-#define add_parent(p, parent)   list_add_tail(&(p)->sibling,&(parent)->children)
-
-#define REMOVE_LINKS(p) do {                                    \
-        if (thread_group_leader(p))                             \
-                list_del_init(&(p)->tasks);                     \
-        remove_parent(p);                                       \
-        } while (0)
-
-#define SET_LINKS(p) do {                                       \
-        if (thread_group_leader(p))                             \
-                list_add_tail(&(p)->tasks,&init_task.tasks);    \
-        add_parent(p, (p)->parent);                             \
-        } while (0)
+#define add_parent(p)           list_add_tail(&(p)->sibling,&(p)->parent->children)
 
 #define next_task(p)    list_entry((p)->tasks.next, struct task_struct, tasks)
 #define prev_task(p)    list_entry((p)->tasks.prev, struct task_struct, tasks)
@@ -1215,20 +1193,22 @@ extern void wait_task_inactive(task_t * p);
 #define while_each_thread(g, t) \
         while ((t = next_thread(t)) != g)
 
-extern task_t * FASTCALL(next_thread(const task_t *p));
-
 #define thread_group_leader(p)  (p->pid == p->tgid)
 
+static inline task_t *next_thread(task_t *p)
+{
+        return list_entry(rcu_dereference(p->thread_group.next),
+                                task_t, thread_group);
+}
+
 static inline int thread_group_empty(task_t *p)
 {
-        return list_empty(&p->pids[PIDTYPE_TGID].pid_list);
+        return list_empty(&p->thread_group);
 }
 
 #define delay_group_leader(p) \
                 (thread_group_leader(p) && !thread_group_empty(p))
 
-extern void unhash_process(struct task_struct *p);
-
 /*
  * Protects ->fs, ->files, ->mm, ->ptrace, ->group_info, ->comm, keyring
  * subscriptions and synchronises with wait4().  Also used in procfs.  Also
@@ -1248,6 +1228,15 @@ static inline void task_unlock(struct task_struct *p)
         spin_unlock(&p->alloc_lock);
 }
 
+extern struct sighand_struct *lock_task_sighand(struct task_struct *tsk,
+                                                        unsigned long *flags);
+
+static inline void unlock_task_sighand(struct task_struct *tsk,
+                                                unsigned long *flags)
+{
+        spin_unlock_irqrestore(&tsk->sighand->siglock, *flags);
+}
+
 #ifndef __HAVE_THREAD_FUNCTIONS
 
 #define task_thread_info(task) (task)->thread_info
diff --git a/include/linux/signal.h b/include/linux/signal.h
index b7d093520bb6..162a8fd10b29 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -249,6 +249,8 @@ static inline void init_sigpending(struct sigpending *sig)
         INIT_LIST_HEAD(&sig->list);
 }
 
+extern void flush_sigqueue(struct sigpending *queue);
+
 /* Test if 'sig' is valid signal. Use this instead of testing _NSIG directly */
 static inline int valid_signal(unsigned long sig)
 {
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 15e1d9736b1b..3af03b19c983 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -210,7 +210,6 @@ extern kmem_cache_t	*names_cachep;
 extern kmem_cache_t     *files_cachep;
 extern kmem_cache_t     *filp_cachep;
 extern kmem_cache_t     *fs_cachep;
-extern kmem_cache_t     *signal_cachep;
 extern kmem_cache_t     *sighand_cachep;
 extern kmem_cache_t     *bio_cachep;