19 files changed, 154 insertions, 139 deletions

diff --git a/arch/powerpc/configs/40x/virtex_defconfig b/arch/powerpc/configs/40x/virtex_defconfig
index b6888384dd74..f5698f962e58 100644
--- a/arch/powerpc/configs/40x/virtex_defconfig
+++ b/arch/powerpc/configs/40x/virtex_defconfig
@@ -686,7 +686,7 @@ CONFIG_SERIAL_UARTLITE_CONSOLE=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
-# CONFIG_SERIAL_OF_PLATFORM is not set
+CONFIG_SERIAL_OF_PLATFORM=y
 # CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
diff --git a/arch/powerpc/configs/44x/virtex5_defconfig b/arch/powerpc/configs/44x/virtex5_defconfig
index 15aab1ca6384..1bf0a63614b1 100644
--- a/arch/powerpc/configs/44x/virtex5_defconfig
+++ b/arch/powerpc/configs/44x/virtex5_defconfig
@@ -691,7 +691,7 @@ CONFIG_SERIAL_UARTLITE_CONSOLE=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
-# CONFIG_SERIAL_OF_PLATFORM is not set
+CONFIG_SERIAL_OF_PLATFORM=y
 # CONFIG_SERIAL_OF_PLATFORM_NWPSERIAL is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
diff --git a/arch/powerpc/configs/linkstation_defconfig b/arch/powerpc/configs/linkstation_defconfig
index aa5855a156de..15900dcf0bfa 100644
--- a/arch/powerpc/configs/linkstation_defconfig
+++ b/arch/powerpc/configs/linkstation_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.29-rc2
-# Mon Jan 26 15:35:29 2009
+# Linux kernel version: 2.6.29-rc6
+# Fri Mar  6 00:07:38 2009
 #
 # CONFIG_PPC64 is not set
 
@@ -71,6 +71,15 @@ CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
@@ -88,6 +97,7 @@ CONFIG_NAMESPACES=y
 # CONFIG_IPC_NS is not set
 # CONFIG_USER_NS is not set
 # CONFIG_PID_NS is not set
+# CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -153,11 +163,6 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
-# CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 # CONFIG_FREEZER is not set
 
 #
@@ -294,7 +299,6 @@ CONFIG_NET=y
 #
 # Networking options
 #
-# CONFIG_NET_NS is not set
 CONFIG_COMPAT_NET_DEV_OPS=y
 CONFIG_PACKET=y
 CONFIG_PACKET_MMAP=y
@@ -508,8 +512,8 @@ CONFIG_MTD_CONCAT=y
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_REDBOOT_PARTS is not set
-# CONFIG_MTD_CMDLINE_PARTS is not set
-# CONFIG_MTD_OF_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_OF_PARTS=y
 # CONFIG_MTD_AR7_PARTS is not set
 
 #
@@ -587,7 +591,6 @@ CONFIG_MTD_PHYSMAP=y
 # LPDDR flash memory drivers
 #
 # CONFIG_MTD_LPDDR is not set
-# CONFIG_MTD_QINFO_PROBE is not set
 
 #
 # UBI - Unsorted block images
@@ -617,13 +620,19 @@ CONFIG_BLK_DEV_RAM_SIZE=8192
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_PHANTOM is not set
-# CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_HP_ILO is not set
 # CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+CONFIG_EEPROM_LEGACY=m
+# CONFIG_EEPROM_93CX6 is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -839,6 +848,7 @@ CONFIG_R8169=y
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
 # CONFIG_ATL1E is not set
+# CONFIG_ATL1C is not set
 # CONFIG_JME is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
@@ -1037,8 +1047,6 @@ CONFIG_I2C_MPC=y
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
-# CONFIG_EEPROM_AT24 is not set
-CONFIG_EEPROM_LEGACY=m
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_PCF8575 is not set
 # CONFIG_SENSORS_PCA9539 is not set
diff --git a/arch/powerpc/configs/storcenter_defconfig b/arch/powerpc/configs/storcenter_defconfig
index 86512c8790d1..94903465ea12 100644
--- a/arch/powerpc/configs/storcenter_defconfig
+++ b/arch/powerpc/configs/storcenter_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.29-rc2
-# Mon Jan 26 15:35:46 2009
+# Linux kernel version: 2.6.29-rc6
+# Fri Mar  6 00:09:08 2009
 #
 # CONFIG_PPC64 is not set
 
@@ -71,6 +71,15 @@ CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_GROUP_SCHED=y
@@ -144,11 +153,6 @@ CONFIG_IOSCHED_CFQ=y
 CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
-# CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 # CONFIG_FREEZER is not set
 
 #
@@ -377,8 +381,8 @@ CONFIG_MTD=y
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_REDBOOT_PARTS is not set
-# CONFIG_MTD_CMDLINE_PARTS is not set
-# CONFIG_MTD_OF_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_OF_PARTS=y
 # CONFIG_MTD_AR7_PARTS is not set
 
 #
@@ -452,7 +456,6 @@ CONFIG_MTD_PHYSMAP=y
 # LPDDR flash memory drivers
 #
 # CONFIG_MTD_LPDDR is not set
-# CONFIG_MTD_QINFO_PROBE is not set
 
 #
 # UBI - Unsorted block images
@@ -478,13 +481,19 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_PHANTOM is not set
-# CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_HP_ILO is not set
 # CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_93CX6 is not set
 CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
 
@@ -677,6 +686,7 @@ CONFIG_R8169=y
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
 # CONFIG_ATL1E is not set
+# CONFIG_ATL1C is not set
 # CONFIG_JME is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
@@ -818,8 +828,6 @@ CONFIG_I2C_MPC=y
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
-# CONFIG_EEPROM_AT24 is not set
-# CONFIG_EEPROM_LEGACY is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_PCF8575 is not set
 # CONFIG_SENSORS_PCA9539 is not set
@@ -1159,6 +1167,7 @@ CONFIG_JFFS2_RTIME=y
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
 # CONFIG_NETWORK_FILESYSTEMS is not set
+CONFIG_EXPORTFS=m
 
 #
 # Partition Types
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index d811a8cd7b58..4774c2f92232 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -210,5 +210,10 @@ struct compat_shmid64_ds {
         compat_ulong_t __unused6;
 };
 
+static inline int is_compat_task(void)
+{
+        return test_thread_flag(TIF_32BIT);
+}
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_COMPAT_H */
diff --git a/arch/powerpc/include/asm/pgtable-4k.h b/arch/powerpc/include/asm/pgtable-4k.h
index 6b18ba9d2d85..1dbca4e7de67 100644
--- a/arch/powerpc/include/asm/pgtable-4k.h
+++ b/arch/powerpc/include/asm/pgtable-4k.h
@@ -60,7 +60,7 @@
 /* It should be preserving the high 48 bits and then specifically */
 /* preserving _PAGE_SECONDARY | _PAGE_GROUP_IX */
 #define _PAGE_CHG_MASK  (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
-                         _PAGE_HPTEFLAGS)
+                         _PAGE_HPTEFLAGS | _PAGE_SPECIAL)
 
 /* Bits to mask out from a PMD to get to the PTE page */
 #define PMD_MASKED_BITS         0
diff --git a/arch/powerpc/include/asm/pgtable-64k.h b/arch/powerpc/include/asm/pgtable-64k.h
index 07b0d8f09cb6..7389003349a6 100644
--- a/arch/powerpc/include/asm/pgtable-64k.h
+++ b/arch/powerpc/include/asm/pgtable-64k.h
@@ -114,7 +114,7 @@ static inline struct subpage_prot_table *pgd_subpage_prot(pgd_t *pgd)
  * pgprot changes
  */
 #define _PAGE_CHG_MASK  (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
-                         _PAGE_ACCESSED)
+                         _PAGE_ACCESSED | _PAGE_SPECIAL)
 
 /* Bits to mask out from a PMD to get to the PTE page */
 #define PMD_MASKED_BITS         0x1ff
diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h
index f69a4d977729..820b5f0a35ce 100644
--- a/arch/powerpc/include/asm/pgtable-ppc32.h
+++ b/arch/powerpc/include/asm/pgtable-ppc32.h
@@ -429,7 +429,8 @@ extern int icache_44x_need_flush;
 #define PMD_PAGE_SIZE(pmd)      bad_call_to_PMD_PAGE_SIZE()
 #endif
 
-#define _PAGE_CHG_MASK  (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
+#define _PAGE_CHG_MASK  (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | \
+                         _PAGE_SPECIAL)
 
 
 #define PAGE_PROT_BITS  (_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \
diff --git a/arch/powerpc/include/asm/seccomp.h b/arch/powerpc/include/asm/seccomp.h
index 853765eb1f65..00c1d9133cfe 100644
--- a/arch/powerpc/include/asm/seccomp.h
+++ b/arch/powerpc/include/asm/seccomp.h
@@ -1,10 +1,6 @@
 #ifndef _ASM_POWERPC_SECCOMP_H
 #define _ASM_POWERPC_SECCOMP_H
 
-#ifdef __KERNEL__
-#include <linux/thread_info.h>
-#endif
-
 #include <linux/unistd.h>
 
 #define __NR_seccomp_read __NR_read
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index 5af4e9b2dbe2..73cb6a3229ae 100644
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -367,27 +367,24 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr,
 static int emulate_fp_pair(unsigned char __user *addr, unsigned int reg,
                            unsigned int flags)
 {
-        char *ptr = (char *) &current->thread.TS_FPR(reg);
-        int i, ret;
+        char *ptr0 = (char *) &current->thread.TS_FPR(reg);
+        char *ptr1 = (char *) &current->thread.TS_FPR(reg+1);
+        int i, ret, sw = 0;
 
         if (!(flags & F))
                 return 0;
         if (reg & 1)
                 return 0;       /* invalid form: FRS/FRT must be even */
-        if (!(flags & SW)) {
-                /* not byte-swapped - easy */
-                if (!(flags & ST))
-                        ret = __copy_from_user(ptr, addr, 16);
-                else
-                        ret = __copy_to_user(addr, ptr, 16);
-        } else {
-                /* each FPR value is byte-swapped separately */
-                ret = 0;
-                for (i = 0; i < 16; ++i) {
-                        if (!(flags & ST))
-                                ret |= __get_user(ptr[i^7], addr + i);
-                        else
-                                ret |= __put_user(ptr[i^7], addr + i);
+        if (flags & SW)
+                sw = 7;
+        ret = 0;
+        for (i = 0; i < 8; ++i) {
+                if (!(flags & ST)) {
+                        ret |= __get_user(ptr0[i^sw], addr + i);
+                        ret |= __get_user(ptr1[i^sw], addr + i + 8);
+                } else {
+                        ret |= __put_user(ptr0[i^sw], addr + i);
+                        ret |= __put_user(ptr1[i^sw], addr + i + 8);
                 }
         }
         if (ret)
@@ -646,11 +643,16 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg,
                        unsigned int areg, struct pt_regs *regs,
                        unsigned int flags, unsigned int length)
 {
-        char *ptr = (char *) &current->thread.TS_FPR(reg);
+        char *ptr;
         int ret = 0;
 
         flush_vsx_to_thread(current);
 
+        if (reg < 32)
+                ptr = (char *) &current->thread.TS_FPR(reg);
+        else
+                ptr = (char *) &current->thread.vr[reg - 32];
+
         if (flags & ST)
                 ret = __copy_to_user(addr, ptr, length);
         else {
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 2822c8ccfaaf..5f81256287f5 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -125,6 +125,10 @@ static void kvmppc_free_vcpus(struct kvm *kvm)
         }
 }
 
+void kvm_arch_sync_events(struct kvm *kvm)
+{
+}
+
 void kvm_arch_destroy_vm(struct kvm *kvm)
 {
         kvmppc_free_vcpus(kvm);
diff --git a/arch/powerpc/lib/copyuser_64.S b/arch/powerpc/lib/copyuser_64.S
index 70693a5c12a1..693b14a778fa 100644
--- a/arch/powerpc/lib/copyuser_64.S
+++ b/arch/powerpc/lib/copyuser_64.S
@@ -62,18 +62,19 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 72:     std     r8,8(r3)
         beq+    3f
         addi    r3,r3,16
-23:     ld      r9,8(r4)
 .Ldo_tail:
         bf      cr7*4+1,1f
-        rotldi  r9,r9,32
+23:     lwz     r9,8(r4)
+        addi    r4,r4,4
 73:     stw     r9,0(r3)
         addi    r3,r3,4
 1:      bf      cr7*4+2,2f
-        rotldi  r9,r9,16
+44:     lhz     r9,8(r4)
+        addi    r4,r4,2
 74:     sth     r9,0(r3)
         addi    r3,r3,2
 2:      bf      cr7*4+3,3f
-        rotldi  r9,r9,8
+45:     lbz     r9,8(r4)
 75:     stb     r9,0(r3)
 3:      li      r3,0
         blr
@@ -141,11 +142,24 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 6:      cmpwi   cr1,r5,8
         addi    r3,r3,32
         sld     r9,r9,r10
-        ble     cr1,.Ldo_tail
+        ble     cr1,7f
 34:     ld      r0,8(r4)
         srd     r7,r0,r11
         or      r9,r7,r9
-        b       .Ldo_tail
+7:
+        bf      cr7*4+1,1f
+        rotldi  r9,r9,32
+94:     stw     r9,0(r3)
+        addi    r3,r3,4
+1:      bf      cr7*4+2,2f
+        rotldi  r9,r9,16
+95:     sth     r9,0(r3)
+        addi    r3,r3,2
+2:      bf      cr7*4+3,3f
+        rotldi  r9,r9,8
+96:     stb     r9,0(r3)
+3:      li      r3,0
+        blr
 
 .Ldst_unaligned:
         PPC_MTOCRF      0x01,r6         /* put #bytes to 8B bdry into cr7 */
@@ -218,7 +232,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 121:
 132:
         addi    r3,r3,8
-123:
 134:
 135:
 138:
@@ -226,6 +239,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 140:
 141:
 142:
+123:
+144:
+145:
 
 /*
  * here we have had a fault on a load and r3 points to the first
@@ -309,6 +325,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 187:
 188:
 189:    
+194:
+195:
+196:
 1:
         ld      r6,-24(r1)
         ld      r5,-8(r1)
@@ -329,7 +348,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
         .llong  72b,172b
         .llong  23b,123b
         .llong  73b,173b
+        .llong  44b,144b
         .llong  74b,174b
+        .llong  45b,145b
         .llong  75b,175b
         .llong  24b,124b
         .llong  25b,125b
@@ -347,6 +368,9 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
         .llong  79b,179b
         .llong  80b,180b
         .llong  34b,134b
+        .llong  94b,194b
+        .llong  95b,195b
+        .llong  96b,196b
         .llong  35b,135b
         .llong  81b,181b
         .llong  36b,136b
diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S
index fe2d34e5332d..e178922b2c21 100644
--- a/arch/powerpc/lib/memcpy_64.S
+++ b/arch/powerpc/lib/memcpy_64.S
@@ -53,18 +53,19 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 3:      std     r8,8(r3)
         beq     3f
         addi    r3,r3,16
-        ld      r9,8(r4)
 .Ldo_tail:
         bf      cr7*4+1,1f
-        rotldi  r9,r9,32
+        lwz     r9,8(r4)
+        addi    r4,r4,4
         stw     r9,0(r3)
         addi    r3,r3,4
 1:      bf      cr7*4+2,2f
-        rotldi  r9,r9,16
+        lhz     r9,8(r4)
+        addi    r4,r4,2
         sth     r9,0(r3)
         addi    r3,r3,2
 2:      bf      cr7*4+3,3f
-        rotldi  r9,r9,8
+        lbz     r9,8(r4)
         stb     r9,0(r3)
 3:      ld      r3,48(r1)       /* return dest pointer */
         blr
@@ -133,11 +134,24 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
         cmpwi   cr1,r5,8
         addi    r3,r3,32
         sld     r9,r9,r10
-        ble     cr1,.Ldo_tail
+        ble     cr1,6f
         ld      r0,8(r4)
         srd     r7,r0,r11
         or      r9,r7,r9
-        b       .Ldo_tail
+6:
+        bf      cr7*4+1,1f
+        rotldi  r9,r9,32
+        stw     r9,0(r3)
+        addi    r3,r3,4
+1:      bf      cr7*4+2,2f
+        rotldi  r9,r9,16
+        sth     r9,0(r3)
+        addi    r3,r3,2
+2:      bf      cr7*4+3,3f
+        rotldi  r9,r9,8
+        stb     r9,0(r3)
+3:      ld      r3,48(r1)       /* return dest pointer */
+        blr
 
 .Ldst_unaligned:
         PPC_MTOCRF      0x01,r6         # put #bytes to 8B bdry into cr7
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 7393bd76d698..5ac08b8ab654 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -19,6 +19,7 @@
 #include <linux/notifier.h>
 #include <linux/lmb.h>
 #include <linux/of.h>
+#include <linux/pfn.h>
 #include <asm/sparsemem.h>
 #include <asm/prom.h>
 #include <asm/system.h>
@@ -882,7 +883,7 @@ static void mark_reserved_regions_for_nid(int nid)
                 unsigned long physbase = lmb.reserved.region[i].base;
                 unsigned long size = lmb.reserved.region[i].size;
                 unsigned long start_pfn = physbase >> PAGE_SHIFT;
-                unsigned long end_pfn = ((physbase + size) >> PAGE_SHIFT);
+                unsigned long end_pfn = PFN_UP(physbase + size);
                 struct node_active_region node_ar;
                 unsigned long node_end_pfn = node->node_start_pfn +
                                              node->node_spanned_pages;
@@ -908,7 +909,7 @@ static void mark_reserved_regions_for_nid(int nid)
                          */
                         if (end_pfn > node_ar.end_pfn)
                                 reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
-                                        - (start_pfn << PAGE_SHIFT);
+                                        - physbase;
                         /*
                          * Only worry about *this* node, others may not
                          * yet have valid NODE_DATA().
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index fb371f5ce132..d6b772ba3b8f 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -142,6 +142,10 @@ static void __init gef_sbc610_nec_fixup(struct pci_dev *pdev)
 {
         unsigned int val;
 
+        /* Do not do the fixup on other platforms! */
+        if (!machine_is(gef_sbc610))
+                return;
+
         printk(KERN_INFO "Running NEC uPD720101 Fixup\n");
 
         /* Ensure ports 1, 2, 3, 4 & 5 are enabled */
diff --git a/arch/powerpc/platforms/embedded6xx/linkstation.c b/arch/powerpc/platforms/embedded6xx/linkstation.c
index 2ca7be65c2d2..244f997de791 100644
--- a/arch/powerpc/platforms/embedded6xx/linkstation.c
+++ b/arch/powerpc/platforms/embedded6xx/linkstation.c
@@ -12,7 +12,6 @@
 
 #include <linux/kernel.h>
 #include <linux/initrd.h>
-#include <linux/mtd/physmap.h>
 #include <linux/of_platform.h>
 
 #include <asm/time.h>
@@ -22,39 +21,6 @@
 
 #include "mpc10x.h"
 
-static struct mtd_partition linkstation_physmap_partitions[] = {
-        {
-                .name   = "mtd_firmimg",
-                .offset = 0x000000,
-                .size   = 0x300000,
-        },
-        {
-                .name   = "mtd_bootcode",
-                .offset = 0x300000,
-                .size   = 0x070000,
-        },
-        {
-                .name   = "mtd_status",
-                .offset = 0x370000,
-                .size   = 0x010000,
-        },
-        {
-                .name   = "mtd_conf",
-                .offset = 0x380000,
-                .size   = 0x080000,
-        },
-        {
-                .name   = "mtd_allflash",
-                .offset = 0x000000,
-                .size   = 0x400000,
-        },
-        {
-                .name   = "mtd_data",
-                .offset = 0x310000,
-                .size   = 0x0f0000,
-        },
-};
-
 static __initdata struct of_device_id of_bus_ids[] = {
         { .type = "soc", },
         { .compatible = "simple-bus", },
@@ -99,10 +65,6 @@ static int __init linkstation_add_bridge(struct device_node *dev)
 static void __init linkstation_setup_arch(void)
 {
         struct device_node *np;
-#ifdef CONFIG_MTD_PHYSMAP
-        physmap_set_partitions(linkstation_physmap_partitions,
-                               ARRAY_SIZE(linkstation_physmap_partitions));
-#endif
 
         /* Lookup PCI host bridges */
         for_each_compatible_node(np, "pci", "mpc10x-pci")
diff --git a/arch/powerpc/platforms/embedded6xx/storcenter.c b/arch/powerpc/platforms/embedded6xx/storcenter.c
index 8864e4884980..613070e9ddbe 100644
--- a/arch/powerpc/platforms/embedded6xx/storcenter.c
+++ b/arch/powerpc/platforms/embedded6xx/storcenter.c
@@ -14,7 +14,6 @@
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/initrd.h>
-#include <linux/mtd/physmap.h>
 #include <linux/of_platform.h>
 
 #include <asm/system.h>
@@ -26,32 +25,6 @@
 #include "mpc10x.h"
 
 
-#ifdef CONFIG_MTD_PHYSMAP
-static struct mtd_partition storcenter_physmap_partitions[] = {
-        {
-                .name   = "kernel",
-                .offset = 0x000000,
-                .size   = 0x170000,
-        },
-        {
-                .name   = "rootfs",
-                .offset = 0x170000,
-                .size   = 0x590000,
-        },
-        {
-                .name   = "uboot",
-                .offset = 0x700000,
-                .size   = 0x040000,
-        },
-        {
-                .name   = "config",
-                .offset = 0x740000,
-                .size   = 0x0c0000,
-        },
-};
-#endif
-
-
 static __initdata struct of_device_id storcenter_of_bus[] = {
         { .name = "soc", },
         {},
@@ -96,11 +69,6 @@ static void __init storcenter_setup_arch(void)
 {
         struct device_node *np;
 
-#ifdef CONFIG_MTD_PHYSMAP
-        physmap_set_partitions(storcenter_physmap_partitions,
-                               ARRAY_SIZE(storcenter_physmap_partitions));
-#endif
-
         /* Lookup PCI host bridges */
         for_each_compatible_node(np, "pci", "mpc10x-pci")
                 storcenter_add_bridge(np);
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 67de6bf3db3d..d281cc0bca71 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -328,7 +328,7 @@ static int __init ps3_mm_add_memory(void)
         return result;
 }
 
-core_initcall(ps3_mm_add_memory);
+device_initcall(ps3_mm_add_memory);
 
 /*============================================================================*/
 /* dma routines                                                               */
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index 77fae5f64f2e..5558d932b4d5 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -204,6 +204,23 @@ static int __init ppc4xx_setup_one_pci_PMM(struct pci_controller	*hose,
 {
         u32 ma, pcila, pciha;
 
+        /* Hack warning ! The "old" PCI 2.x cell only let us configure the low
+         * 32-bit of incoming PLB addresses. The top 4 bits of the 36-bit
+         * address are actually hard wired to a value that appears to depend
+         * on the specific SoC. For example, it's 0 on 440EP and 1 on 440EPx.
+         *
+         * The trick here is we just crop those top bits and ignore them when
+         * programming the chip. That means the device-tree has to be right
+         * for the specific part used (we don't print a warning if it's wrong
+         * but on the other hand, you'll crash quickly enough), but at least
+         * this code should work whatever the hard coded value is
+         */
+        plb_addr &= 0xffffffffull;
+
+        /* Note: Due to the above hack, the test below doesn't actually test
+         * if you address is above 4G, but it tests that address and
+         * (address + size) are both contained in the same 4G
+         */
         if ((plb_addr + size) > 0xffffffffull || !is_power_of_2(size) ||
             size < 0x1000 || (plb_addr & (size - 1)) != 0) {
                 printk(KERN_WARNING "%s: Resource out of range\n",