129 files changed, 528 insertions, 508 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 959f38ccb9a..7d69e9bf5e6 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -36,24 +36,12 @@ config GENERIC_TIME_VSYSCALL
 config GENERIC_CLOCKEVENTS
        def_bool y
-config GENERIC_HARDIRQS
-        bool
-        default y
-config GENERIC_HARDIRQS_NO__DO_IRQ
-        bool
-        default y
 config HAVE_SETUP_PER_CPU_AREA
        def_bool PPC64
 config NEED_PER_CPU_EMBED_FIRST_CHUNK
        def_bool PPC64
-config IRQ_PER_CPU
-        bool
-        default y
 config NR_IRQS
        int "Number of virtual interrupt numbers"
        range 32 32768
@@ -143,6 +131,9 @@ config PPC
        select HAVE_PERF_EVENTS
        select HAVE_REGS_AND_STACK_ACCESS_API
        select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64
+        select HAVE_GENERIC_HARDIRQS
+        select HAVE_SPARSE_IRQ
+        select IRQ_PER_CPU
 config EARLY_PRINTK
        bool
@@ -392,19 +383,6 @@ config IRQ_ALL_CPUS
          CPU.  Generally saying Y is safe, although some problems have been
          reported with SMP Power Macintoshes with this option enabled.
-config SPARSE_IRQ
-        bool "Support sparse irq numbering"
-        default n
-        help
-          This enables support for sparse irqs. This is useful for distro
-          kernels that want to define a high CONFIG_NR_CPUS value but still
-          want to have low kernel memory footprint on smaller machines.
-          ( Sparse IRQs can also be beneficial on NUMA boxes, as they spread
-            out the irq_desc[] array in a more NUMA-friendly way. )
-          If you don't know what to do here, say N.
 config NUMA
        bool "NUMA support"
        depends on PPC64
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 96deec63bcf..89178164af5 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -368,7 +368,7 @@ INSTALL := install
 extra-installed         := $(patsubst $(obj)/%, $(DESTDIR)$(WRAPPER_OBJDIR)/%, $(extra-y))
 hostprogs-installed     := $(patsubst %, $(DESTDIR)$(WRAPPER_BINDIR)/%, $(hostprogs-y))
 wrapper-installed       := $(DESTDIR)$(WRAPPER_BINDIR)/wrapper
-dts-installed           := $(patsubst $(obj)/dts/%, $(DESTDIR)$(WRAPPER_DTSDIR)/%, $(wildcard $(obj)/dts/*.dts))
+dts-installed           := $(patsubst $(dtstree)/%, $(DESTDIR)$(WRAPPER_DTSDIR)/%, $(wildcard $(dtstree)/*.dts))
 all-installed           := $(extra-installed) $(hostprogs-installed) $(wrapper-installed) $(dts-installed)
diff --git a/arch/powerpc/boot/dts/mpc8308rdb.dts b/arch/powerpc/boot/dts/mpc8308rdb.dts
index d3db02f98dd..a0bd1881081 100644
--- a/arch/powerpc/boot/dts/mpc8308rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8308rdb.dts
@@ -109,7 +109,7 @@
                #address-cells = <1>;
                #size-cells = <1>;
                device_type = "soc";
-                compatible = "fsl,mpc8315-immr", "simple-bus";
+                compatible = "fsl,mpc8308-immr", "simple-bus";
                ranges = <0 0xe0000000 0x00100000>;
                reg = <0xe0000000 0x00000200>;
                bus-frequency = <0>;
diff --git a/arch/powerpc/boot/dts/p1022ds.dts b/arch/powerpc/boot/dts/p1022ds.dts
index 2bbecbb4cbf..69422eb24d9 100644
--- a/arch/powerpc/boot/dts/p1022ds.dts
+++ b/arch/powerpc/boot/dts/p1022ds.dts
@@ -291,13 +291,13 @@
                        ranges = <0x0 0xc100 0x200>;
                        cell-index = <1>;
                        dma00: dma-channel@0 {
-                                compatible = "fsl,eloplus-dma-channel";
+                                compatible = "fsl,ssi-dma-channel";
                                reg = <0x0 0x80>;
                                cell-index = <0>;
                                interrupts = <76 2>;
                        };
                        dma01: dma-channel@80 {
-                                compatible = "fsl,eloplus-dma-channel";
+                                compatible = "fsl,ssi-dma-channel";
                                reg = <0x80 0x80>;
                                cell-index = <1>;
                                interrupts = <77 2>;
diff --git a/arch/powerpc/configs/40x/acadia_defconfig b/arch/powerpc/configs/40x/acadia_defconfig
index 97fedceaa30..4182c772340 100644
--- a/arch/powerpc/configs/40x/acadia_defconfig
+++ b/arch/powerpc/configs/40x/acadia_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/40x/ep405_defconfig b/arch/powerpc/configs/40x/ep405_defconfig
index 33b3c24f4ed..2dbb293163f 100644
--- a/arch/powerpc/configs/40x/ep405_defconfig
+++ b/arch/powerpc/configs/40x/ep405_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/40x/hcu4_defconfig b/arch/powerpc/configs/40x/hcu4_defconfig
index 4613079a0ab..ebeb4accad6 100644
--- a/arch/powerpc/configs/40x/hcu4_defconfig
+++ b/arch/powerpc/configs/40x/hcu4_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/40x/kilauea_defconfig b/arch/powerpc/configs/40x/kilauea_defconfig
index 34b8c1a1e75..532ea9d93a1 100644
--- a/arch/powerpc/configs/40x/kilauea_defconfig
+++ b/arch/powerpc/configs/40x/kilauea_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/40x/makalu_defconfig b/arch/powerpc/configs/40x/makalu_defconfig
index 651be09136f..3c142ac1b34 100644
--- a/arch/powerpc/configs/40x/makalu_defconfig
+++ b/arch/powerpc/configs/40x/makalu_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/40x/walnut_defconfig b/arch/powerpc/configs/40x/walnut_defconfig
index ded455e1833..ff57d4828ff 100644
--- a/arch/powerpc/configs/40x/walnut_defconfig
+++ b/arch/powerpc/configs/40x/walnut_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/44x/arches_defconfig b/arch/powerpc/configs/44x/arches_defconfig
index 63746a041d6..3ed16d5c909 100644
--- a/arch/powerpc/configs/44x/arches_defconfig
+++ b/arch/powerpc/configs/44x/arches_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/bamboo_defconfig b/arch/powerpc/configs/44x/bamboo_defconfig
index f5f2a4e3e21..b1b7d2c5c05 100644
--- a/arch/powerpc/configs/44x/bamboo_defconfig
+++ b/arch/powerpc/configs/44x/bamboo_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/bluestone_defconfig b/arch/powerpc/configs/44x/bluestone_defconfig
index ac65b48b8cc..30a0a8e08fd 100644
--- a/arch/powerpc/configs/44x/bluestone_defconfig
+++ b/arch/powerpc/configs/44x/bluestone_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_VM_EVENT_COUNTERS is not set
 # CONFIG_PCI_QUIRKS is not set
 # CONFIG_COMPAT_BRK is not set
diff --git a/arch/powerpc/configs/44x/canyonlands_defconfig b/arch/powerpc/configs/44x/canyonlands_defconfig
index 17e4dd98eed..a46942aac69 100644
--- a/arch/powerpc/configs/44x/canyonlands_defconfig
+++ b/arch/powerpc/configs/44x/canyonlands_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/ebony_defconfig b/arch/powerpc/configs/44x/ebony_defconfig
index fedd03fdf5d..07d77e51f1b 100644
--- a/arch/powerpc/configs/44x/ebony_defconfig
+++ b/arch/powerpc/configs/44x/ebony_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/44x/eiger_defconfig b/arch/powerpc/configs/44x/eiger_defconfig
index ebff7011282..2ce7e9aff09 100644
--- a/arch/powerpc/configs/44x/eiger_defconfig
+++ b/arch/powerpc/configs/44x/eiger_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/icon_defconfig b/arch/powerpc/configs/44x/icon_defconfig
index 865e93fb41f..18730ff9de7 100644
--- a/arch/powerpc/configs/44x/icon_defconfig
+++ b/arch/powerpc/configs/44x/icon_defconfig
@@ -6,7 +6,7 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_SYSFS_DEPRECATED_V2=y
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/iss476-smp_defconfig b/arch/powerpc/configs/44x/iss476-smp_defconfig
index 8ece4c77441..92f863ac844 100644
--- a/arch/powerpc/configs/44x/iss476-smp_defconfig
+++ b/arch/powerpc/configs/44x/iss476-smp_defconfig
@@ -7,7 +7,7 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_SYSFS_DEPRECATED_V2=y
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_PROFILING=y
diff --git a/arch/powerpc/configs/44x/katmai_defconfig b/arch/powerpc/configs/44x/katmai_defconfig
index 4ca9b4873c5..34c09144a69 100644
--- a/arch/powerpc/configs/44x/katmai_defconfig
+++ b/arch/powerpc/configs/44x/katmai_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/rainier_defconfig b/arch/powerpc/configs/44x/rainier_defconfig
index e3b65d24207..21c33faf61a 100644
--- a/arch/powerpc/configs/44x/rainier_defconfig
+++ b/arch/powerpc/configs/44x/rainier_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/redwood_defconfig b/arch/powerpc/configs/44x/redwood_defconfig
index 64cd0f3421a..01cc2b1a7f9 100644
--- a/arch/powerpc/configs/44x/redwood_defconfig
+++ b/arch/powerpc/configs/44x/redwood_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/sam440ep_defconfig b/arch/powerpc/configs/44x/sam440ep_defconfig
index 01d03367917..dfcffede16a 100644
--- a/arch/powerpc/configs/44x/sam440ep_defconfig
+++ b/arch/powerpc/configs/44x/sam440ep_defconfig
@@ -6,7 +6,7 @@ CONFIG_IKCONFIG=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/sequoia_defconfig b/arch/powerpc/configs/44x/sequoia_defconfig
index 89b2f962613..47e399f2892 100644
--- a/arch/powerpc/configs/44x/sequoia_defconfig
+++ b/arch/powerpc/configs/44x/sequoia_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/taishan_defconfig b/arch/powerpc/configs/44x/taishan_defconfig
index e3386cf6f5b..a6a002ed568 100644
--- a/arch/powerpc/configs/44x/taishan_defconfig
+++ b/arch/powerpc/configs/44x/taishan_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/44x/warp_defconfig b/arch/powerpc/configs/44x/warp_defconfig
index 9c13b9dffaf..6cf9d661480 100644
--- a/arch/powerpc/configs/44x/warp_defconfig
+++ b/arch/powerpc/configs/44x/warp_defconfig
@@ -8,7 +8,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/52xx/cm5200_defconfig b/arch/powerpc/configs/52xx/cm5200_defconfig
index f234c4d0b15..69b57daf402 100644
--- a/arch/powerpc/configs/52xx/cm5200_defconfig
+++ b/arch/powerpc/configs/52xx/cm5200_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_KALLSYMS is not set
 # CONFIG_EPOLL is not set
diff --git a/arch/powerpc/configs/52xx/lite5200b_defconfig b/arch/powerpc/configs/52xx/lite5200b_defconfig
index a4a795c8074..f3638ae0a62 100644
--- a/arch/powerpc/configs/52xx/lite5200b_defconfig
+++ b/arch/powerpc/configs/52xx/lite5200b_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_KALLSYMS is not set
 # CONFIG_EPOLL is not set
diff --git a/arch/powerpc/configs/52xx/motionpro_defconfig b/arch/powerpc/configs/52xx/motionpro_defconfig
index 20d53a1aa7e..6828eda02bd 100644
--- a/arch/powerpc/configs/52xx/motionpro_defconfig
+++ b/arch/powerpc/configs/52xx/motionpro_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_KALLSYMS is not set
 # CONFIG_EPOLL is not set
diff --git a/arch/powerpc/configs/52xx/pcm030_defconfig b/arch/powerpc/configs/52xx/pcm030_defconfig
index 6bd58338bf1..7f7e4a87860 100644
--- a/arch/powerpc/configs/52xx/pcm030_defconfig
+++ b/arch/powerpc/configs/52xx/pcm030_defconfig
@@ -8,7 +8,7 @@ CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_VM_EVENT_COUNTERS is not set
 CONFIG_SLAB=y
diff --git a/arch/powerpc/configs/52xx/tqm5200_defconfig b/arch/powerpc/configs/52xx/tqm5200_defconfig
index 3a1f70292d9..959cd2cfc27 100644
--- a/arch/powerpc/configs/52xx/tqm5200_defconfig
+++ b/arch/powerpc/configs/52xx/tqm5200_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_KALLSYMS is not set
 # CONFIG_EPOLL is not set
diff --git a/arch/powerpc/configs/83xx/asp8347_defconfig b/arch/powerpc/configs/83xx/asp8347_defconfig
index eed42d8919e..d2762d9dcb8 100644
--- a/arch/powerpc/configs/83xx/asp8347_defconfig
+++ b/arch/powerpc/configs/83xx/asp8347_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/kmeter1_defconfig b/arch/powerpc/configs/83xx/kmeter1_defconfig
index e43ecb27dfd..7a7b731c573 100644
--- a/arch/powerpc/configs/83xx/kmeter1_defconfig
+++ b/arch/powerpc/configs/83xx/kmeter1_defconfig
@@ -3,7 +3,7 @@ CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_HOTPLUG is not set
 CONFIG_SLAB=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig b/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig
index c2e6ab51d33..c683bce4c26 100644
--- a/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig
+++ b/arch/powerpc/configs/83xx/mpc8313_rdb_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/mpc8315_rdb_defconfig b/arch/powerpc/configs/83xx/mpc8315_rdb_defconfig
index 1d3b2006591..a721cd3d793 100644
--- a/arch/powerpc/configs/83xx/mpc8315_rdb_defconfig
+++ b/arch/powerpc/configs/83xx/mpc8315_rdb_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/mpc832x_mds_defconfig b/arch/powerpc/configs/83xx/mpc832x_mds_defconfig
index 91fe73bd5ad..a5699a1f7d0 100644
--- a/arch/powerpc/configs/83xx/mpc832x_mds_defconfig
+++ b/arch/powerpc/configs/83xx/mpc832x_mds_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/mpc832x_rdb_defconfig b/arch/powerpc/configs/83xx/mpc832x_rdb_defconfig
index 6d300f20560..b4da1a7e644 100644
--- a/arch/powerpc/configs/83xx/mpc832x_rdb_defconfig
+++ b/arch/powerpc/configs/83xx/mpc832x_rdb_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/mpc834x_itx_defconfig b/arch/powerpc/configs/83xx/mpc834x_itx_defconfig
index b236a67e01f..291f8221d5a 100644
--- a/arch/powerpc/configs/83xx/mpc834x_itx_defconfig
+++ b/arch/powerpc/configs/83xx/mpc834x_itx_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/mpc834x_itxgp_defconfig b/arch/powerpc/configs/83xx/mpc834x_itxgp_defconfig
index 001dead3cde..f8b228aaa03 100644
--- a/arch/powerpc/configs/83xx/mpc834x_itxgp_defconfig
+++ b/arch/powerpc/configs/83xx/mpc834x_itxgp_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/mpc834x_mds_defconfig b/arch/powerpc/configs/83xx/mpc834x_mds_defconfig
index 9dccefca00c..99660c06219 100644
--- a/arch/powerpc/configs/83xx/mpc834x_mds_defconfig
+++ b/arch/powerpc/configs/83xx/mpc834x_mds_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/mpc836x_mds_defconfig b/arch/powerpc/configs/83xx/mpc836x_mds_defconfig
index d4b165d7d29..10b5c4cd0e7 100644
--- a/arch/powerpc/configs/83xx/mpc836x_mds_defconfig
+++ b/arch/powerpc/configs/83xx/mpc836x_mds_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/mpc836x_rdk_defconfig b/arch/powerpc/configs/83xx/mpc836x_rdk_defconfig
index 89ba67274bd..45925d701d2 100644
--- a/arch/powerpc/configs/83xx/mpc836x_rdk_defconfig
+++ b/arch/powerpc/configs/83xx/mpc836x_rdk_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/mpc837x_mds_defconfig b/arch/powerpc/configs/83xx/mpc837x_mds_defconfig
index 2ea6b405046..f367985be6f 100644
--- a/arch/powerpc/configs/83xx/mpc837x_mds_defconfig
+++ b/arch/powerpc/configs/83xx/mpc837x_mds_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig b/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig
index bffe3c77503..414eda38159 100644
--- a/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig
+++ b/arch/powerpc/configs/83xx/mpc837x_rdb_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/83xx/sbc834x_defconfig b/arch/powerpc/configs/83xx/sbc834x_defconfig
index fa5c9eefc9a..6d6463fe06f 100644
--- a/arch/powerpc/configs/83xx/sbc834x_defconfig
+++ b/arch/powerpc/configs/83xx/sbc834x_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_SLAB=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/85xx/ksi8560_defconfig b/arch/powerpc/configs/85xx/ksi8560_defconfig
index 385b1af37d7..8f7c1061891 100644
--- a/arch/powerpc/configs/85xx/ksi8560_defconfig
+++ b/arch/powerpc/configs/85xx/ksi8560_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_KSI8560=y
 CONFIG_CPM2=y
diff --git a/arch/powerpc/configs/85xx/mpc8540_ads_defconfig b/arch/powerpc/configs/85xx/mpc8540_ads_defconfig
index 222b704c1f4..55e0725500d 100644
--- a/arch/powerpc/configs/85xx/mpc8540_ads_defconfig
+++ b/arch/powerpc/configs/85xx/mpc8540_ads_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_MPC8540_ADS=y
 CONFIG_NO_HZ=y
diff --git a/arch/powerpc/configs/85xx/mpc8560_ads_defconfig b/arch/powerpc/configs/85xx/mpc8560_ads_defconfig
index 619702de947..d724095530a 100644
--- a/arch/powerpc/configs/85xx/mpc8560_ads_defconfig
+++ b/arch/powerpc/configs/85xx/mpc8560_ads_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_MPC8560_ADS=y
 CONFIG_BINFMT_MISC=y
diff --git a/arch/powerpc/configs/85xx/mpc85xx_cds_defconfig b/arch/powerpc/configs/85xx/mpc85xx_cds_defconfig
index 6bf56e83f95..4b44beaa21a 100644
--- a/arch/powerpc/configs/85xx/mpc85xx_cds_defconfig
+++ b/arch/powerpc/configs/85xx/mpc85xx_cds_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_MPC85xx_CDS=y
 CONFIG_NO_HZ=y
diff --git a/arch/powerpc/configs/85xx/sbc8548_defconfig b/arch/powerpc/configs/85xx/sbc8548_defconfig
index a9a17d05576..5b2b651dfb9 100644
--- a/arch/powerpc/configs/85xx/sbc8548_defconfig
+++ b/arch/powerpc/configs/85xx/sbc8548_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_SLAB=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_SBC8548=y
diff --git a/arch/powerpc/configs/85xx/sbc8560_defconfig b/arch/powerpc/configs/85xx/sbc8560_defconfig
index 820e32d8c42..f7fdb0318e4 100644
--- a/arch/powerpc/configs/85xx/sbc8560_defconfig
+++ b/arch/powerpc/configs/85xx/sbc8560_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_SLAB=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_SBC8560=y
diff --git a/arch/powerpc/configs/85xx/socrates_defconfig b/arch/powerpc/configs/85xx/socrates_defconfig
index b6db3f47af9..77506b5d5a4 100644
--- a/arch/powerpc/configs/85xx/socrates_defconfig
+++ b/arch/powerpc/configs/85xx/socrates_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=16
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 # CONFIG_HOTPLUG is not set
 # CONFIG_EPOLL is not set
diff --git a/arch/powerpc/configs/85xx/stx_gp3_defconfig b/arch/powerpc/configs/85xx/stx_gp3_defconfig
index 333a41bd2a6..5d4db154bf5 100644
--- a/arch/powerpc/configs/85xx/stx_gp3_defconfig
+++ b/arch/powerpc/configs/85xx/stx_gp3_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODVERSIONS=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/85xx/tqm8540_defconfig b/arch/powerpc/configs/85xx/tqm8540_defconfig
index 33db352f847..ddcb9f37fa1 100644
--- a/arch/powerpc/configs/85xx/tqm8540_defconfig
+++ b/arch/powerpc/configs/85xx/tqm8540_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 # CONFIG_HOTPLUG is not set
 # CONFIG_EPOLL is not set
diff --git a/arch/powerpc/configs/85xx/tqm8541_defconfig b/arch/powerpc/configs/85xx/tqm8541_defconfig
index f0c20dfbd4d..981abd6d4b5 100644
--- a/arch/powerpc/configs/85xx/tqm8541_defconfig
+++ b/arch/powerpc/configs/85xx/tqm8541_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 # CONFIG_HOTPLUG is not set
 # CONFIG_EPOLL is not set
diff --git a/arch/powerpc/configs/85xx/tqm8548_defconfig b/arch/powerpc/configs/85xx/tqm8548_defconfig
index a883450dcdf..37b3d7227cd 100644
--- a/arch/powerpc/configs/85xx/tqm8548_defconfig
+++ b/arch/powerpc/configs/85xx/tqm8548_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
diff --git a/arch/powerpc/configs/85xx/tqm8555_defconfig b/arch/powerpc/configs/85xx/tqm8555_defconfig
index ff95f90dc17..3593b320c97 100644
--- a/arch/powerpc/configs/85xx/tqm8555_defconfig
+++ b/arch/powerpc/configs/85xx/tqm8555_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 # CONFIG_HOTPLUG is not set
 # CONFIG_EPOLL is not set
diff --git a/arch/powerpc/configs/85xx/tqm8560_defconfig b/arch/powerpc/configs/85xx/tqm8560_defconfig
index 8d6c90ea478..de413acc34d 100644
--- a/arch/powerpc/configs/85xx/tqm8560_defconfig
+++ b/arch/powerpc/configs/85xx/tqm8560_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 # CONFIG_HOTPLUG is not set
 # CONFIG_EPOLL is not set
diff --git a/arch/powerpc/configs/85xx/xes_mpc85xx_defconfig b/arch/powerpc/configs/85xx/xes_mpc85xx_defconfig
index f53efe4a0e0..5ea3124518f 100644
--- a/arch/powerpc/configs/85xx/xes_mpc85xx_defconfig
+++ b/arch/powerpc/configs/85xx/xes_mpc85xx_defconfig
@@ -11,7 +11,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig
index 432ebc28d25..4b2441244ea 100644
--- a/arch/powerpc/configs/86xx/gef_ppc9a_defconfig
+++ b/arch/powerpc/configs/86xx/gef_ppc9a_defconfig
@@ -11,7 +11,7 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_RELAY=y
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/86xx/gef_sbc310_defconfig b/arch/powerpc/configs/86xx/gef_sbc310_defconfig
index ce5e919d9b5..a360ba44b92 100644
--- a/arch/powerpc/configs/86xx/gef_sbc310_defconfig
+++ b/arch/powerpc/configs/86xx/gef_sbc310_defconfig
@@ -11,7 +11,7 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_RELAY=y
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/86xx/gef_sbc610_defconfig b/arch/powerpc/configs/86xx/gef_sbc610_defconfig
index 589e71e6dc1..be2829dd129 100644
--- a/arch/powerpc/configs/86xx/gef_sbc610_defconfig
+++ b/arch/powerpc/configs/86xx/gef_sbc610_defconfig
@@ -11,7 +11,7 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_RELAY=y
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/86xx/mpc8610_hpcd_defconfig b/arch/powerpc/configs/86xx/mpc8610_hpcd_defconfig
index 321fb47096d..036bfb2d18c 100644
--- a/arch/powerpc/configs/86xx/mpc8610_hpcd_defconfig
+++ b/arch/powerpc/configs/86xx/mpc8610_hpcd_defconfig
@@ -6,7 +6,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 # CONFIG_ELF_CORE is not set
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig b/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig
index b5e46399374..0c9c7ed7ec7 100644
--- a/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig
+++ b/arch/powerpc/configs/86xx/mpc8641_hpcn_defconfig
@@ -10,7 +10,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/86xx/sbc8641d_defconfig b/arch/powerpc/configs/86xx/sbc8641d_defconfig
index 71145c3a64d..0a92ca04564 100644
--- a/arch/powerpc/configs/86xx/sbc8641d_defconfig
+++ b/arch/powerpc/configs/86xx/sbc8641d_defconfig
@@ -11,7 +11,7 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_RELAY=y
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/adder875_defconfig b/arch/powerpc/configs/adder875_defconfig
index ca84c7fc24d..69128740c14 100644
--- a/arch/powerpc/configs/adder875_defconfig
+++ b/arch/powerpc/configs/adder875_defconfig
@@ -4,7 +4,7 @@ CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_ELF_CORE is not set
 # CONFIG_BASE_FULL is not set
diff --git a/arch/powerpc/configs/e55xx_smp_defconfig b/arch/powerpc/configs/e55xx_smp_defconfig
index 94d120ef99c..06f95492afc 100644
--- a/arch/powerpc/configs/e55xx_smp_defconfig
+++ b/arch/powerpc/configs/e55xx_smp_defconfig
@@ -12,7 +12,7 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_SYSFS_DEPRECATED_V2=y
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/ep8248e_defconfig b/arch/powerpc/configs/ep8248e_defconfig
index 2677b08199e..fceffb3cffb 100644
--- a/arch/powerpc/configs/ep8248e_defconfig
+++ b/arch/powerpc/configs/ep8248e_defconfig
@@ -2,7 +2,7 @@ CONFIG_SYSVIPC=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_SLAB=y
 # CONFIG_IOSCHED_CFQ is not set
diff --git a/arch/powerpc/configs/ep88xc_defconfig b/arch/powerpc/configs/ep88xc_defconfig
index f9a3112e544..219fd470ed2 100644
--- a/arch/powerpc/configs/ep88xc_defconfig
+++ b/arch/powerpc/configs/ep88xc_defconfig
@@ -4,7 +4,7 @@ CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_ELF_CORE is not set
 # CONFIG_BASE_FULL is not set
diff --git a/arch/powerpc/configs/gamecube_defconfig b/arch/powerpc/configs/gamecube_defconfig
index fcf0a398cd6..e74d3a48370 100644
--- a/arch/powerpc/configs/gamecube_defconfig
+++ b/arch/powerpc/configs/gamecube_defconfig
@@ -6,7 +6,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_ELF_CORE is not set
 CONFIG_PERF_COUNTERS=y
 # CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/powerpc/configs/holly_defconfig b/arch/powerpc/configs/holly_defconfig
index b9b63a60952..94ebfee188d 100644
--- a/arch/powerpc/configs/holly_defconfig
+++ b/arch/powerpc/configs/holly_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_MODULES=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_PPC_CHRP is not set
diff --git a/arch/powerpc/configs/mgcoge_defconfig b/arch/powerpc/configs/mgcoge_defconfig
index c4ed255af18..39518e91822 100644
--- a/arch/powerpc/configs/mgcoge_defconfig
+++ b/arch/powerpc/configs/mgcoge_defconfig
@@ -3,7 +3,7 @@ CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_SLAB=y
 # CONFIG_IOSCHED_CFQ is not set
diff --git a/arch/powerpc/configs/mgsuvd_defconfig b/arch/powerpc/configs/mgsuvd_defconfig
index f276c7cf555..2a490626015 100644
--- a/arch/powerpc/configs/mgsuvd_defconfig
+++ b/arch/powerpc/configs/mgsuvd_defconfig
@@ -4,7 +4,7 @@ CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_HOTPLUG is not set
 # CONFIG_BUG is not set
diff --git a/arch/powerpc/configs/mpc7448_hpc2_defconfig b/arch/powerpc/configs/mpc7448_hpc2_defconfig
index 3b9470883de..75f0bbf0f6e 100644
--- a/arch/powerpc/configs/mpc7448_hpc2_defconfig
+++ b/arch/powerpc/configs/mpc7448_hpc2_defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_PPC_CHRP is not set
 # CONFIG_PPC_PMAC is not set
diff --git a/arch/powerpc/configs/mpc8272_ads_defconfig b/arch/powerpc/configs/mpc8272_ads_defconfig
index c7d68ff1a73..6a22400f73c 100644
--- a/arch/powerpc/configs/mpc8272_ads_defconfig
+++ b/arch/powerpc/configs/mpc8272_ads_defconfig
@@ -2,7 +2,7 @@ CONFIG_SYSVIPC=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_PPC_CHRP is not set
 # CONFIG_PPC_PMAC is not set
diff --git a/arch/powerpc/configs/mpc83xx_defconfig b/arch/powerpc/configs/mpc83xx_defconfig
index 5b1b10fd974..5aac9a8bc53 100644
--- a/arch/powerpc/configs/mpc83xx_defconfig
+++ b/arch/powerpc/configs/mpc83xx_defconfig
@@ -3,7 +3,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/mpc85xx_defconfig b/arch/powerpc/configs/mpc85xx_defconfig
index 3aeb5949cfe..99a19d1e9bf 100644
--- a/arch/powerpc/configs/mpc85xx_defconfig
+++ b/arch/powerpc/configs/mpc85xx_defconfig
@@ -10,7 +10,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/mpc85xx_smp_defconfig b/arch/powerpc/configs/mpc85xx_smp_defconfig
index d62c8016f4b..c636f23f8c9 100644
--- a/arch/powerpc/configs/mpc85xx_smp_defconfig
+++ b/arch/powerpc/configs/mpc85xx_smp_defconfig
@@ -12,7 +12,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/mpc866_ads_defconfig b/arch/powerpc/configs/mpc866_ads_defconfig
index 668215cae89..5c258823e69 100644
--- a/arch/powerpc/configs/mpc866_ads_defconfig
+++ b/arch/powerpc/configs/mpc866_ads_defconfig
@@ -4,7 +4,7 @@ CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_HOTPLUG is not set
 # CONFIG_BUG is not set
diff --git a/arch/powerpc/configs/mpc86xx_defconfig b/arch/powerpc/configs/mpc86xx_defconfig
index 63b90d47788..55b54318fef 100644
--- a/arch/powerpc/configs/mpc86xx_defconfig
+++ b/arch/powerpc/configs/mpc86xx_defconfig
@@ -10,7 +10,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/mpc885_ads_defconfig b/arch/powerpc/configs/mpc885_ads_defconfig
index f9b83481b00..9e146cdf63d 100644
--- a/arch/powerpc/configs/mpc885_ads_defconfig
+++ b/arch/powerpc/configs/mpc885_ads_defconfig
@@ -4,7 +4,7 @@ CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_ELF_CORE is not set
 # CONFIG_BASE_FULL is not set
diff --git a/arch/powerpc/configs/ppc40x_defconfig b/arch/powerpc/configs/ppc40x_defconfig
index 93d7425ce6c..bfd634b5ada 100644
--- a/arch/powerpc/configs/ppc40x_defconfig
+++ b/arch/powerpc/configs/ppc40x_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/ppc44x_defconfig b/arch/powerpc/configs/ppc44x_defconfig
index 2fa05f7be4c..47133202a62 100644
--- a/arch/powerpc/configs/ppc44x_defconfig
+++ b/arch/powerpc/configs/ppc44x_defconfig
@@ -5,7 +5,7 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 CONFIG_MODULES=y
diff --git a/arch/powerpc/configs/pq2fads_defconfig b/arch/powerpc/configs/pq2fads_defconfig
index a4353bef31c..baad8db21b6 100644
--- a/arch/powerpc/configs/pq2fads_defconfig
+++ b/arch/powerpc/configs/pq2fads_defconfig
@@ -3,7 +3,7 @@ CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_PPC_CHRP is not set
 # CONFIG_PPC_PMAC is not set
diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig
index 49cffe00365..caba919f65d 100644
--- a/arch/powerpc/configs/ps3_defconfig
+++ b/arch/powerpc/configs/ps3_defconfig
@@ -8,7 +8,7 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_NAMESPACES=y
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
 # CONFIG_PERF_EVENTS is not set
 # CONFIG_COMPAT_BRK is not set
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index f87f0e15cfa..9c3f22c6cde 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -2,7 +2,7 @@ CONFIG_PPC64=y
 CONFIG_ALTIVEC=y
 CONFIG_VSX=y
 CONFIG_SMP=y
-CONFIG_NR_CPUS=128
+CONFIG_NR_CPUS=1024
 CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -45,6 +45,8 @@ CONFIG_KEXEC=y
 CONFIG_IRQ_ALL_CPUS=y
 CONFIG_MEMORY_HOTPLUG=y
 CONFIG_MEMORY_HOTREMOVE=y
+CONFIG_PPC_64K_PAGES=y
+CONFIG_PPC_SUBPAGE_PROT=y
 CONFIG_SCHED_SMT=y
 CONFIG_HOTPLUG_PCI=m
 CONFIG_HOTPLUG_PCI_RPA=m
@@ -184,6 +186,7 @@ CONFIG_ACENIC_OMIT_TIGON_I=y
 CONFIG_E1000=y
 CONFIG_E1000E=y
 CONFIG_TIGON3=y
+CONFIG_BNX2=m
 CONFIG_CHELSIO_T1=m
 CONFIG_CHELSIO_T3=m
 CONFIG_EHEA=y
@@ -311,9 +314,7 @@ CONFIG_DEBUG_KERNEL=y
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 CONFIG_LATENCYTOP=y
 CONFIG_SYSCTL_SYSCALL_CHECK=y
-CONFIG_IRQSOFF_TRACER=y
 CONFIG_SCHED_TRACER=y
-CONFIG_STACK_TRACER=y
 CONFIG_BLK_DEV_IO_TRACE=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_DEBUG_STACK_USAGE=y
diff --git a/arch/powerpc/configs/storcenter_defconfig b/arch/powerpc/configs/storcenter_defconfig
index 4f0c10a62b9..ebb2a66c99d 100644
--- a/arch/powerpc/configs/storcenter_defconfig
+++ b/arch/powerpc/configs/storcenter_defconfig
@@ -1,7 +1,7 @@
 CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_KALLSYMS is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
diff --git a/arch/powerpc/configs/tqm8xx_defconfig b/arch/powerpc/configs/tqm8xx_defconfig
index d0a5b676388..8616fde0896 100644
--- a/arch/powerpc/configs/tqm8xx_defconfig
+++ b/arch/powerpc/configs/tqm8xx_defconfig
@@ -5,7 +5,7 @@ CONFIG_SYSVIPC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_SYSCTL_SYSCALL is not set
 # CONFIG_ELF_CORE is not set
 # CONFIG_BASE_FULL is not set
diff --git a/arch/powerpc/configs/wii_defconfig b/arch/powerpc/configs/wii_defconfig
index bb8ba75b7c6..175295fbf4f 100644
--- a/arch/powerpc/configs/wii_defconfig
+++ b/arch/powerpc/configs/wii_defconfig
@@ -7,7 +7,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EMBEDDED=y
+CONFIG_EXPERT=y
 # CONFIG_ELF_CORE is not set
 CONFIG_PERF_COUNTERS=y
 # CONFIG_VM_EVENT_COUNTERS is not set
diff --git a/arch/powerpc/include/asm/feature-fixups.h b/arch/powerpc/include/asm/feature-fixups.h
index 96a7d067fbb..921a8470e18 100644
--- a/arch/powerpc/include/asm/feature-fixups.h
+++ b/arch/powerpc/include/asm/feature-fixups.h
@@ -37,18 +37,21 @@ label##2:						\
        .align 2;                                       \
 label##3:
-#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect)   \
+#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect)           \
-label##4:                                               \
+label##4:                                                       \
-        .popsection;                                    \
+        .popsection;                                            \
-        .pushsection sect,"a";                          \
+        .pushsection sect,"a";                                  \
-        .align 3;                                       \
+        .align 3;                                               \
-label##5:                                               \
+label##5:                                                       \
-        FTR_ENTRY_LONG msk;                             \
+        FTR_ENTRY_LONG msk;                                     \
-        FTR_ENTRY_LONG val;                             \
+        FTR_ENTRY_LONG val;                                     \
-        FTR_ENTRY_OFFSET label##1b-label##5b;           \
+        FTR_ENTRY_OFFSET label##1b-label##5b;                   \
-        FTR_ENTRY_OFFSET label##2b-label##5b;           \
+        FTR_ENTRY_OFFSET label##2b-label##5b;                   \
-        FTR_ENTRY_OFFSET label##3b-label##5b;           \
+        FTR_ENTRY_OFFSET label##3b-label##5b;                   \
-        FTR_ENTRY_OFFSET label##4b-label##5b;           \
+        FTR_ENTRY_OFFSET label##4b-label##5b;                   \
+        .ifgt (label##4b-label##3b)-(label##2b-label##1b);      \
+        .error "Feature section else case larger than body";    \
+        .endif;                                                 \
        .popsection;
diff --git a/arch/powerpc/include/asm/immap_qe.h b/arch/powerpc/include/asm/immap_qe.h
index 4e10f508570..0edb6842b13 100644
--- a/arch/powerpc/include/asm/immap_qe.h
+++ b/arch/powerpc/include/asm/immap_qe.h
@@ -467,13 +467,22 @@ struct qe_immap {
 extern struct qe_immap __iomem *qe_immr;
 extern phys_addr_t get_qe_base(void);
-static inline unsigned long immrbar_virt_to_phys(void *address)
+/*
+ * Returns the offset within the QE address space of the given pointer.
+ *
+ * Note that the QE does not support 36-bit physical addresses, so if
+ * get_qe_base() returns a number above 4GB, the caller will probably fail.
+ */
+static inline phys_addr_t immrbar_virt_to_phys(void *address)
 {
-        if ( ((u32)address >= (u32)qe_immr) &&
+        void *q = (void *)qe_immr;
-                        ((u32)address < ((u32)qe_immr + QE_IMMAP_SIZE)) )
-                return (unsigned long)(address - (u32)qe_immr +
+        /* Is it a MURAM address? */
-                                (u32)get_qe_base());
+        if ((address >= q) && (address < (q + QE_IMMAP_SIZE)))
-        return (unsigned long)virt_to_phys(address);
+                return get_qe_base() + (address - q);
+        /* It's an address returned by kmalloc */
+        return virt_to_phys(address);
 }
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h
index b85d8ddbb66..b0b06d85788 100644
--- a/arch/powerpc/include/asm/irqflags.h
+++ b/arch/powerpc/include/asm/irqflags.h
@@ -12,24 +12,44 @@
 #else
 #ifdef CONFIG_TRACE_IRQFLAGS
+#ifdef CONFIG_IRQSOFF_TRACER
+/*
+ * Since the ftrace irqsoff latency trace checks CALLER_ADDR1,
+ * which is the stack frame here, we need to force a stack frame
+ * in case we came from user space.
+ */
+#define TRACE_WITH_FRAME_BUFFER(func)           \
+        mflr    r0;                             \
+        stdu    r1, -32(r1);                    \
+        std     r0, 16(r1);                     \
+        stdu    r1, -32(r1);                    \
+        bl func;                                \
+        ld      r1, 0(r1);                      \
+        ld      r1, 0(r1);
+#else
+#define TRACE_WITH_FRAME_BUFFER(func)           \
+        bl func;
+#endif
 /*
 * Most of the CPU's IRQ-state tracing is done from assembly code; we
 * have to call a C function so call a wrapper that saves all the
 * C-clobbered registers.
 */
-#define TRACE_ENABLE_INTS       bl .trace_hardirqs_on
+#define TRACE_ENABLE_INTS       TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_on)
-#define TRACE_DISABLE_INTS      bl .trace_hardirqs_off
+#define TRACE_DISABLE_INTS      TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_off)
-#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip)  \
-        cmpdi   en,0;                           \
+#define TRACE_AND_RESTORE_IRQ_PARTIAL(en,skip)          \
-        bne     95f;                            \
+        cmpdi   en,0;                                   \
-        stb     en,PACASOFTIRQEN(r13);          \
+        bne     95f;                                    \
-        bl      .trace_hardirqs_off;            \
+        stb     en,PACASOFTIRQEN(r13);                  \
-        b       skip;                           \
+        TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_off)    \
-95:     bl      .trace_hardirqs_on;             \
+        b       skip;                                   \
+95:     TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_on)     \
        li      en,1;
 #define TRACE_AND_RESTORE_IRQ(en)               \
        TRACE_AND_RESTORE_IRQ_PARTIAL(en,96f);  \
-        stb     en,PACASOFTIRQEN(r13);          \
+        stb     en,PACASOFTIRQEN(r13);          \
 96:
 #else
 #define TRACE_ENABLE_INTS
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 8433d36619a..fe56a23e1ff 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -116,9 +116,6 @@ struct machdep_calls {
         * If for some reason there is no irq, but the interrupt
         * shouldn't be counted as spurious, return NO_IRQ_IGNORE. */
        unsigned int    (*get_irq)(void);
-#ifdef CONFIG_KEXEC
-        void            (*kexec_cpu_down)(int crash_shutdown, int secondary);
-#endif
        /* PCI stuff */
        /* Called after scanning the bus, before allocating resources */
@@ -235,11 +232,7 @@ struct machdep_calls {
        void (*machine_shutdown)(void);
 #ifdef CONFIG_KEXEC
-        /* Called to do the minimal shutdown needed to run a kexec'd kernel
+        void (*kexec_cpu_down)(int crash_shutdown, int secondary);
-         * to run successfully.
-         * XXX Should we move this one out of kexec scope?
-         */
-        void (*machine_crash_shutdown)(struct pt_regs *regs);
        /* Called to do what every setup is needed on image and the
         * reboot code buffer. Returns 0 on success.
@@ -248,9 +241,6 @@ struct machdep_calls {
         */
        int (*machine_kexec_prepare)(struct kimage *image);
-        /* Called to handle any machine specific cleanup on image */
-        void (*machine_kexec_cleanup)(struct kimage *image);
        /* Called to perform the _real_ kexec.
         * Do NOT allocate memory or fail here. We are past the point of
         * no return.
diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h
index 8eaed81ea64..17194fcd404 100644
--- a/arch/powerpc/include/asm/mmu-book3e.h
+++ b/arch/powerpc/include/asm/mmu-book3e.h
@@ -40,8 +40,8 @@
 /* MAS registers bit definitions */
-#define MAS0_TLBSEL(x)          ((x << 28) & 0x30000000)
+#define MAS0_TLBSEL(x)          (((x) << 28) & 0x30000000)
-#define MAS0_ESEL(x)            ((x << 16) & 0x0FFF0000)
+#define MAS0_ESEL(x)            (((x) << 16) & 0x0FFF0000)
 #define MAS0_NV(x)              ((x) & 0x00000FFF)
 #define MAS0_HES                0x00004000
 #define MAS0_WQ_ALLWAYS         0x00000000
@@ -50,12 +50,12 @@
 #define MAS1_VALID              0x80000000
 #define MAS1_IPROT              0x40000000
-#define MAS1_TID(x)             ((x << 16) & 0x3FFF0000)
+#define MAS1_TID(x)             (((x) << 16) & 0x3FFF0000)
 #define MAS1_IND                0x00002000
 #define MAS1_TS                 0x00001000
 #define MAS1_TSIZE_MASK         0x00000f80
 #define MAS1_TSIZE_SHIFT        7
-#define MAS1_TSIZE(x)           ((x << MAS1_TSIZE_SHIFT) & MAS1_TSIZE_MASK)
+#define MAS1_TSIZE(x)           (((x) << MAS1_TSIZE_SHIFT) & MAS1_TSIZE_MASK)
 #define MAS2_EPN                0xFFFFF000
 #define MAS2_X0                 0x00000040
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 53b64be40eb..da4b2000854 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -101,7 +101,7 @@ extern phys_addr_t kernstart_addr;
 #ifdef CONFIG_FLATMEM
 #define ARCH_PFN_OFFSET         (MEMORY_START >> PAGE_SHIFT)
-#define pfn_valid(pfn)          ((pfn) >= ARCH_PFN_OFFSET && (pfn) < (ARCH_PFN_OFFSET + max_mapnr))
+#define pfn_valid(pfn)          ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr)
 #endif
 #define virt_to_page(kaddr)     pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index ff0005eec7d..125fc1ad665 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -283,6 +283,7 @@
 #define HID0_NOPTI      (1<<0)          /* No-op dcbt and dcbst instr. */
 #define SPRN_HID1       0x3F1           /* Hardware Implementation Register 1 */
+#ifdef CONFIG_6xx
 #define HID1_EMCP       (1<<31)         /* 7450 Machine Check Pin Enable */
 #define HID1_DFS        (1<<22)         /* 7447A Dynamic Frequency Scaling */
 #define HID1_PC0        (1<<16)         /* 7450 PLL_CFG[0] */
@@ -292,6 +293,7 @@
 #define HID1_SYNCBE     (1<<11)         /* 7450 ABE for sync, eieio */
 #define HID1_ABE        (1<<10)         /* 7450 Address Broadcast Enable */
 #define HID1_PS         (1<<16)         /* 750FX PLL selection */
+#endif
 #define SPRN_HID2       0x3F8           /* Hardware Implementation Register 2 */
 #define SPRN_HID2_GEKKO 0x398           /* Gekko HID2 Register */
 #define SPRN_IABR       0x3F2   /* Instruction Address Breakpoint Register */
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 667a498eaee..e68c69bf741 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -246,6 +246,20 @@
                                        store or cache line push */
 #endif
+/* Bit definitions for the HID1 */
+#ifdef CONFIG_E500
+/* e500v1/v2 */
+#define HID1_PLL_CFG_MASK 0xfc000000    /* PLL_CFG input pins */
+#define HID1_RFXE       0x00020000      /* Read fault exception enable */
+#define HID1_R1DPE      0x00008000      /* R1 data bus parity enable */
+#define HID1_R2DPE      0x00004000      /* R2 data bus parity enable */
+#define HID1_ASTME      0x00002000      /* Address bus streaming mode enable */
+#define HID1_ABE        0x00001000      /* Address broadcast enable */
+#define HID1_MPXTT      0x00000400      /* MPX re-map transfer type */
+#define HID1_ATS        0x00000080      /* Atomic status */
+#define HID1_MID_MASK   0x0000000f      /* MID input pins */
+#endif
 /* Bit definitions for the DBSR. */
 /*
 * DBSR bits which have conflicting definitions on true Book E versus IBM 40x.
diff --git a/arch/powerpc/include/asm/spu.h b/arch/powerpc/include/asm/spu.h
index 0ab8d869e3d..0c8b35d7523 100644
--- a/arch/powerpc/include/asm/spu.h
+++ b/arch/powerpc/include/asm/spu.h
@@ -203,14 +203,6 @@ void spu_irq_setaffinity(struct spu *spu, int cpu);
 void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa,
                void *code, int code_size);
-#ifdef CONFIG_KEXEC
-void crash_register_spus(struct list_head *list);
-#else
-static inline void crash_register_spus(struct list_head *list)
-{
-}
-#endif
 extern void spu_invalidate_slbs(struct spu *spu);
 extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
 int spu_64k_pages_available(void);
diff --git a/arch/powerpc/kernel/cpu_setup_6xx.S b/arch/powerpc/kernel/cpu_setup_6xx.S
index 55cba4a8a95..f8cd9fba4d3 100644
--- a/arch/powerpc/kernel/cpu_setup_6xx.S
+++ b/arch/powerpc/kernel/cpu_setup_6xx.S
@@ -18,7 +18,7 @@
 #include <asm/mmu.h>
 _GLOBAL(__setup_cpu_603)
-        mflr    r4
+        mflr    r5
 BEGIN_MMU_FTR_SECTION
        li      r10,0
        mtspr   SPRN_SPRG_603_LRU,r10           /* init SW LRU tracking */
@@ -27,60 +27,60 @@ BEGIN_FTR_SECTION
        bl      __init_fpu_registers
 END_FTR_SECTION_IFCLR(CPU_FTR_FPU_UNAVAILABLE)
        bl      setup_common_caches
-        mtlr    r4
+        mtlr    r5
        blr
 _GLOBAL(__setup_cpu_604)
-        mflr    r4
+        mflr    r5
        bl      setup_common_caches
        bl      setup_604_hid0
-        mtlr    r4
+        mtlr    r5
        blr
 _GLOBAL(__setup_cpu_750)
-        mflr    r4
+        mflr    r5
        bl      __init_fpu_registers
        bl      setup_common_caches
        bl      setup_750_7400_hid0
-        mtlr    r4
+        mtlr    r5
        blr
 _GLOBAL(__setup_cpu_750cx)
-        mflr    r4
+        mflr    r5
        bl      __init_fpu_registers
        bl      setup_common_caches
        bl      setup_750_7400_hid0
        bl      setup_750cx
-        mtlr    r4
+        mtlr    r5
        blr
 _GLOBAL(__setup_cpu_750fx)
-        mflr    r4
+        mflr    r5
        bl      __init_fpu_registers
        bl      setup_common_caches
        bl      setup_750_7400_hid0
        bl      setup_750fx
-        mtlr    r4
+        mtlr    r5
        blr
 _GLOBAL(__setup_cpu_7400)
-        mflr    r4
+        mflr    r5
        bl      __init_fpu_registers
        bl      setup_7400_workarounds
        bl      setup_common_caches
        bl      setup_750_7400_hid0
-        mtlr    r4
+        mtlr    r5
        blr
 _GLOBAL(__setup_cpu_7410)
-        mflr    r4
+        mflr    r5
        bl      __init_fpu_registers
        bl      setup_7410_workarounds
        bl      setup_common_caches
        bl      setup_750_7400_hid0
        li      r3,0
        mtspr   SPRN_L2CR2,r3
-        mtlr    r4
+        mtlr    r5
        blr
 _GLOBAL(__setup_cpu_745x)
-        mflr    r4
+        mflr    r5
        bl      setup_common_caches
        bl      setup_745x_specifics
-        mtlr    r4
+        mtlr    r5
        blr
 /* Enable caches for 603's, 604, 750 & 7400 */
@@ -194,10 +194,10 @@ setup_750cx:
        cror    4*cr0+eq,4*cr0+eq,4*cr1+eq
        cror    4*cr0+eq,4*cr0+eq,4*cr2+eq
        bnelr
-        lwz     r6,CPU_SPEC_FEATURES(r5)
+        lwz     r6,CPU_SPEC_FEATURES(r4)
        li      r7,CPU_FTR_CAN_NAP
        andc    r6,r6,r7
-        stw     r6,CPU_SPEC_FEATURES(r5)
+        stw     r6,CPU_SPEC_FEATURES(r4)
        blr
 /* 750fx specific
@@ -225,12 +225,12 @@ BEGIN_FTR_SECTION
        andis.  r11,r11,L3CR_L3E@h
        beq     1f
 END_FTR_SECTION_IFSET(CPU_FTR_L3CR)
-        lwz     r6,CPU_SPEC_FEATURES(r5)
+        lwz     r6,CPU_SPEC_FEATURES(r4)
        andi.   r0,r6,CPU_FTR_L3_DISABLE_NAP
        beq     1f
        li      r7,CPU_FTR_CAN_NAP
        andc    r6,r6,r7
-        stw     r6,CPU_SPEC_FEATURES(r5)
+        stw     r6,CPU_SPEC_FEATURES(r4)
 1:
        mfspr   r11,SPRN_HID0
diff --git a/arch/powerpc/kernel/cpu_setup_fsl_booke.S b/arch/powerpc/kernel/cpu_setup_fsl_booke.S
index 894e64fa481..5c518ad3445 100644
--- a/arch/powerpc/kernel/cpu_setup_fsl_booke.S
+++ b/arch/powerpc/kernel/cpu_setup_fsl_booke.S
@@ -64,6 +64,12 @@ _GLOBAL(__setup_cpu_e500v2)
        bl      __e500_icache_setup
        bl      __e500_dcache_setup
        bl      __setup_e500_ivors
+#ifdef CONFIG_RAPIDIO
+        /* Ensure that RFXE is set */
+        mfspr   r3,SPRN_HID1
+        oris    r3,r3,HID1_RFXE@h
+        mtspr   SPRN_HID1,r3
+#endif
        mtlr    r4
        blr
 _GLOBAL(__setup_cpu_e500mc)
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index be5ab18b03b..e8e915ce3d8 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -116,7 +116,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/power3",
                .oprofile_type          = PPC_OPROFILE_RS64,
-                .machine_check          = machine_check_generic,
                .platform               = "power3",
        },
        {       /* Power3+ */
@@ -132,7 +131,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/power3",
                .oprofile_type          = PPC_OPROFILE_RS64,
-                .machine_check          = machine_check_generic,
                .platform               = "power3",
        },
        {       /* Northstar */
@@ -148,7 +146,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/rs64",
                .oprofile_type          = PPC_OPROFILE_RS64,
-                .machine_check          = machine_check_generic,
                .platform               = "rs64",
        },
        {       /* Pulsar */
@@ -164,7 +161,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/rs64",
                .oprofile_type          = PPC_OPROFILE_RS64,
-                .machine_check          = machine_check_generic,
                .platform               = "rs64",
        },
        {       /* I-star */
@@ -180,7 +176,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/rs64",
                .oprofile_type          = PPC_OPROFILE_RS64,
-                .machine_check          = machine_check_generic,
                .platform               = "rs64",
        },
        {       /* S-star */
@@ -196,7 +191,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/rs64",
                .oprofile_type          = PPC_OPROFILE_RS64,
-                .machine_check          = machine_check_generic,
                .platform               = "rs64",
        },
        {       /* Power4 */
@@ -212,7 +206,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/power4",
                .oprofile_type          = PPC_OPROFILE_POWER4,
-                .machine_check          = machine_check_generic,
                .platform               = "power4",
        },
        {       /* Power4+ */
@@ -228,7 +221,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/power4",
                .oprofile_type          = PPC_OPROFILE_POWER4,
-                .machine_check          = machine_check_generic,
                .platform               = "power4",
        },
        {       /* PPC970 */
@@ -247,7 +239,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_restore            = __restore_cpu_ppc970,
                .oprofile_cpu_type      = "ppc64/970",
                .oprofile_type          = PPC_OPROFILE_POWER4,
-                .machine_check          = machine_check_generic,
                .platform               = "ppc970",
        },
        {       /* PPC970FX */
@@ -266,7 +257,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_restore            = __restore_cpu_ppc970,
                .oprofile_cpu_type      = "ppc64/970",
                .oprofile_type          = PPC_OPROFILE_POWER4,
-                .machine_check          = machine_check_generic,
                .platform               = "ppc970",
        },
        {       /* PPC970MP DD1.0 - no DEEPNAP, use regular 970 init */
@@ -285,7 +275,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_restore            = __restore_cpu_ppc970,
                .oprofile_cpu_type      = "ppc64/970MP",
                .oprofile_type          = PPC_OPROFILE_POWER4,
-                .machine_check          = machine_check_generic,
                .platform               = "ppc970",
        },
        {       /* PPC970MP */
@@ -304,7 +293,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_restore            = __restore_cpu_ppc970,
                .oprofile_cpu_type      = "ppc64/970MP",
                .oprofile_type          = PPC_OPROFILE_POWER4,
-                .machine_check          = machine_check_generic,
                .platform               = "ppc970",
        },
        {       /* PPC970GX */
@@ -322,7 +310,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_setup              = __setup_cpu_ppc970,
                .oprofile_cpu_type      = "ppc64/970",
                .oprofile_type          = PPC_OPROFILE_POWER4,
-                .machine_check          = machine_check_generic,
                .platform               = "ppc970",
        },
        {       /* Power5 GR */
@@ -343,7 +330,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 */
                .oprofile_mmcra_sihv    = MMCRA_SIHV,
                .oprofile_mmcra_sipr    = MMCRA_SIPR,
-                .machine_check          = machine_check_generic,
                .platform               = "power5",
        },
        {       /* Power5++ */
@@ -360,7 +346,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .oprofile_type          = PPC_OPROFILE_POWER4,
                .oprofile_mmcra_sihv    = MMCRA_SIHV,
                .oprofile_mmcra_sipr    = MMCRA_SIPR,
-                .machine_check          = machine_check_generic,
                .platform               = "power5+",
        },
        {       /* Power5 GS */
@@ -378,7 +363,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .oprofile_type          = PPC_OPROFILE_POWER4,
                .oprofile_mmcra_sihv    = MMCRA_SIHV,
                .oprofile_mmcra_sipr    = MMCRA_SIPR,
-                .machine_check          = machine_check_generic,
                .platform               = "power5+",
        },
        {       /* POWER6 in P5+ mode; 2.04-compliant processor */
@@ -390,7 +374,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
-                .machine_check          = machine_check_generic,
                .oprofile_cpu_type      = "ppc64/ibm-compat-v1",
                .oprofile_type          = PPC_OPROFILE_POWER4,
                .platform               = "power5+",
@@ -413,7 +396,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .oprofile_mmcra_sipr    = POWER6_MMCRA_SIPR,
                .oprofile_mmcra_clear   = POWER6_MMCRA_THRM |
                        POWER6_MMCRA_OTHER,
-                .machine_check          = machine_check_generic,
                .platform               = "power6x",
        },
        {       /* 2.05-compliant processor, i.e. Power6 "architected" mode */
@@ -425,7 +407,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
-                .machine_check          = machine_check_generic,
                .oprofile_cpu_type      = "ppc64/ibm-compat-v1",
                .oprofile_type          = PPC_OPROFILE_POWER4,
                .platform               = "power6",
@@ -440,7 +421,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                        MMU_FTR_TLBIE_206,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
-                .machine_check          = machine_check_generic,
                .oprofile_type          = PPC_OPROFILE_POWER4,
                .oprofile_cpu_type      = "ppc64/ibm-compat-v1",
                .platform               = "power7",
@@ -492,7 +472,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .pmc_type               = PPC_PMC_IBM,
                .oprofile_cpu_type      = "ppc64/cell-be",
                .oprofile_type          = PPC_OPROFILE_CELL,
-                .machine_check          = machine_check_generic,
                .platform               = "ppc-cell-be",
        },
        {       /* PA Semi PA6T */
@@ -510,7 +489,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_restore            = __restore_cpu_pa6t,
                .oprofile_cpu_type      = "ppc64/pa6t",
                .oprofile_type          = PPC_OPROFILE_PA6T,
-                .machine_check          = machine_check_generic,
                .platform               = "pa6t",
        },
        {       /* default match */
@@ -524,7 +502,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .dcache_bsize           = 128,
                .num_pmcs               = 6,
                .pmc_type               = PPC_PMC_IBM,
-                .machine_check          = machine_check_generic,
                .platform               = "power4",
        }
 #endif  /* CONFIG_PPC_BOOK3S_64 */
@@ -2099,8 +2076,8 @@ static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s)
         * pointer on ppc64 and booke as we are running at 0 in real mode
         * on ppc64 and reloc_offset is always 0 on booke.
         */
-        if (s->cpu_setup) {
+        if (t->cpu_setup) {
-                s->cpu_setup(offset, s);
+                t->cpu_setup(offset, t);
        }
 #endif /* CONFIG_PPC64 || CONFIG_BOOKE */
 }
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 832c8c4db25..3d569e2aff1 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -48,7 +48,7 @@ int crashing_cpu = -1;
 static cpumask_t cpus_in_crash = CPU_MASK_NONE;
 cpumask_t cpus_in_sr = CPU_MASK_NONE;
-#define CRASH_HANDLER_MAX 2
+#define CRASH_HANDLER_MAX 3
 /* NULL terminated list of shutdown handles */
 static crash_shutdown_t crash_shutdown_handles[CRASH_HANDLER_MAX+1];
 static DEFINE_SPINLOCK(crash_handlers_lock);
@@ -125,7 +125,7 @@ static void crash_kexec_prepare_cpus(int cpu)
        smp_wmb();
        /*
-         * FIXME: Until we will have the way to stop other CPUSs reliabally,
+         * FIXME: Until we will have the way to stop other CPUs reliably,
         * the crash CPU will send an IPI and wait for other CPUs to
         * respond.
         * Delay of at least 10 seconds.
@@ -254,72 +254,6 @@ void crash_kexec_secondary(struct pt_regs *regs)
        cpus_in_sr = CPU_MASK_NONE;
 }
 #endif
-#ifdef CONFIG_SPU_BASE
-#include <asm/spu.h>
-#include <asm/spu_priv1.h>
-struct crash_spu_info {
-        struct spu *spu;
-        u32 saved_spu_runcntl_RW;
-        u32 saved_spu_status_R;
-        u32 saved_spu_npc_RW;
-        u64 saved_mfc_sr1_RW;
-        u64 saved_mfc_dar;
-        u64 saved_mfc_dsisr;
-};
-#define CRASH_NUM_SPUS  16      /* Enough for current hardware */
-static struct crash_spu_info crash_spu_info[CRASH_NUM_SPUS];
-static void crash_kexec_stop_spus(void)
-{
-        struct spu *spu;
-        int i;
-        u64 tmp;
-        for (i = 0; i < CRASH_NUM_SPUS; i++) {
-                if (!crash_spu_info[i].spu)
-                        continue;
-                spu = crash_spu_info[i].spu;
-                crash_spu_info[i].saved_spu_runcntl_RW =
-                        in_be32(&spu->problem->spu_runcntl_RW);
-                crash_spu_info[i].saved_spu_status_R =
-                        in_be32(&spu->problem->spu_status_R);
-                crash_spu_info[i].saved_spu_npc_RW =
-                        in_be32(&spu->problem->spu_npc_RW);
-                crash_spu_info[i].saved_mfc_dar    = spu_mfc_dar_get(spu);
-                crash_spu_info[i].saved_mfc_dsisr  = spu_mfc_dsisr_get(spu);
-                tmp = spu_mfc_sr1_get(spu);
-                crash_spu_info[i].saved_mfc_sr1_RW = tmp;
-                tmp &= ~MFC_STATE1_MASTER_RUN_CONTROL_MASK;
-                spu_mfc_sr1_set(spu, tmp);
-                __delay(200);
-        }
-}
-void crash_register_spus(struct list_head *list)
-{
-        struct spu *spu;
-        list_for_each_entry(spu, list, full_list) {
-                if (WARN_ON(spu->number >= CRASH_NUM_SPUS))
-                        continue;
-                crash_spu_info[spu->number].spu = spu;
-        }
-}
-#else
-static inline void crash_kexec_stop_spus(void)
-{
-}
-#endif /* CONFIG_SPU_BASE */
 /*
 * Register a function to be called on shutdown.  Only use this if you
@@ -439,8 +373,6 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
        crash_shutdown_cpu = -1;
        __debugger_fault_handler = old_handler;
-        crash_kexec_stop_spus();
        if (ppc_md.kexec_cpu_down)
                ppc_md.kexec_cpu_down(1, 0);
 }
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index c22dc1ec1c9..56212bc0ab0 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -880,7 +880,18 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_47x)
         */
        andi.   r10,r9,MSR_EE
        beq     1f
+        /*
+         * Since the ftrace irqsoff latency trace checks CALLER_ADDR1,
+         * which is the stack frame here, we need to force a stack frame
+         * in case we came from user space.
+         */
+        stwu    r1,-32(r1)
+        mflr    r0
+        stw     r0,4(r1)
+        stwu    r1,-32(r1)
        bl      trace_hardirqs_on
+        lwz     r1,0(r1)
+        lwz     r1,0(r1)
        lwz     r9,_MSR(r1)
 1:
 #endif /* CONFIG_TRACE_IRQFLAGS */
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index df7e20c191c..a5f8672eeff 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -15,6 +15,7 @@
 #include <linux/memblock.h>
 #include <linux/of.h>
 #include <linux/irq.h>
+#include <linux/ftrace.h>
 #include <asm/machdep.h>
 #include <asm/prom.h>
@@ -44,10 +45,7 @@ void machine_kexec_mask_interrupts(void) {
 void machine_crash_shutdown(struct pt_regs *regs)
 {
-        if (ppc_md.machine_crash_shutdown)
+        default_machine_crash_shutdown(regs);
-                ppc_md.machine_crash_shutdown(regs);
-        else
-                default_machine_crash_shutdown(regs);
 }
 /*
@@ -65,8 +63,6 @@ int machine_kexec_prepare(struct kimage *image)
 void machine_kexec_cleanup(struct kimage *image)
 {
-        if (ppc_md.machine_kexec_cleanup)
-                ppc_md.machine_kexec_cleanup(image);
 }
 void arch_crash_save_vmcoreinfo(void)
@@ -87,11 +83,17 @@ void arch_crash_save_vmcoreinfo(void)
 */
 void machine_kexec(struct kimage *image)
 {
+        int save_ftrace_enabled;
+        save_ftrace_enabled = __ftrace_enabled_save();
        if (ppc_md.machine_kexec)
                ppc_md.machine_kexec(image);
        else
                default_machine_kexec(image);
+        __ftrace_enabled_restore(save_ftrace_enabled);
        /* Fall back to normal restart if we're still alive. */
        machine_restart(NULL);
        for(;;);
diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c
index 4dcf5f831e9..b0dc8f7069c 100644
--- a/arch/powerpc/kernel/perf_event_fsl_emb.c
+++ b/arch/powerpc/kernel/perf_event_fsl_emb.c
@@ -596,6 +596,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
                        if (left <= 0)
                                left = period;
                        record = 1;
+                        event->hw.last_period = event->hw.sample_period;
                }
                if (left < 0x80000000LL)
                        val = 0x80000000LL - left;
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 84906d3fc86..8303a6c65ef 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -353,6 +353,7 @@ static void switch_booke_debug_regs(struct thread_struct *new_thread)
                        prime_debug_regs(new_thread);
 }
 #else   /* !CONFIG_PPC_ADV_DEBUG_REGS */
+#ifndef CONFIG_HAVE_HW_BREAKPOINT
 static void set_debug_reg_defaults(struct thread_struct *thread)
 {
        if (thread->dabr) {
@@ -360,6 +361,7 @@ static void set_debug_reg_defaults(struct thread_struct *thread)
                set_dabr(0);
        }
 }
+#endif /* !CONFIG_HAVE_HW_BREAKPOINT */
 #endif  /* CONFIG_PPC_ADV_DEBUG_REGS */
 int set_dabr(unsigned long dabr)
@@ -631,7 +633,7 @@ void show_regs(struct pt_regs * regs)
 #ifdef CONFIG_PPC_ADV_DEBUG_REGS
                printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr);
 #else
-                printk("DAR: "REG", DSISR: "REG"\n", regs->dar, regs->dsisr);
+                printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr);
 #endif
        printk("TASK = %p[%d] '%s' THREAD: %p",
               current, task_pid_nr(current), current->comm, task_thread_info(current));
@@ -670,11 +672,11 @@ void flush_thread(void)
 {
        discard_lazy_cpu_state();
-#ifdef CONFIG_HAVE_HW_BREAKPOINTS
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
        flush_ptrace_hw_breakpoint(current);
-#else /* CONFIG_HAVE_HW_BREAKPOINTS */
+#else /* CONFIG_HAVE_HW_BREAKPOINT */
        set_debug_reg_defaults(&current->thread);
-#endif /* CONFIG_HAVE_HW_BREAKPOINTS */
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
 }
 void
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 2b442e6c21e..bf5f5ce3a7b 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -256,31 +256,16 @@ static ssize_t rtas_flash_read(struct file *file, char __user *buf,
        struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
        struct rtas_update_flash_t *uf;
        char msg[RTAS_MSG_MAXLEN];
-        int msglen;
-        uf = (struct rtas_update_flash_t *) dp->data;
+        uf = dp->data;
        if (!strcmp(dp->name, FIRMWARE_FLASH_NAME)) {
                get_flash_status_msg(uf->status, msg);
        } else {           /* FIRMWARE_UPDATE_NAME */
                sprintf(msg, "%d\n", uf->status);
        }
-        msglen = strlen(msg);
-        if (msglen > count)
-                msglen = count;
-        if (ppos && *ppos != 0)
-                return 0;       /* be cheap */
-        if (!access_ok(VERIFY_WRITE, buf, msglen))
-                return -EINVAL;
-        if (copy_to_user(buf, msg, msglen))
+        return simple_read_from_buffer(buf, count, ppos, msg, strlen(msg));
-                return -EFAULT;
-        if (ppos)
-                *ppos = msglen;
-        return msglen;
 }
 /* constructor for flash_block_cache */
@@ -394,26 +379,13 @@ static ssize_t manage_flash_read(struct file *file, char __user *buf,
        char msg[RTAS_MSG_MAXLEN];
        int msglen;
-        args_buf = (struct rtas_manage_flash_t *) dp->data;
+        args_buf = dp->data;
        if (args_buf == NULL)
                return 0;
        msglen = sprintf(msg, "%d\n", args_buf->status);
-        if (msglen > count)
-                msglen = count;
-        if (ppos && *ppos != 0)
+        return simple_read_from_buffer(buf, count, ppos, msg, msglen);
-                return 0;       /* be cheap */
-        if (!access_ok(VERIFY_WRITE, buf, msglen))
-                return -EINVAL;
-        if (copy_to_user(buf, msg, msglen))
-                return -EFAULT;
-        if (ppos)
-                *ppos = msglen;
-        return msglen;
 }
 static ssize_t manage_flash_write(struct file *file, const char __user *buf,
@@ -495,24 +467,11 @@ static ssize_t validate_flash_read(struct file *file, char __user *buf,
        char msg[RTAS_MSG_MAXLEN];
        int msglen;
-        args_buf = (struct rtas_validate_flash_t *) dp->data;
+        args_buf = dp->data;
-        if (ppos && *ppos != 0)
-                return 0;       /* be cheap */
-        
        msglen = get_validate_flash_msg(args_buf, msg);
-        if (msglen > count)
-                msglen = count;
-        if (!access_ok(VERIFY_WRITE, buf, msglen))
-                return -EINVAL;
-        if (copy_to_user(buf, msg, msglen))
-                return -EFAULT;
-        if (ppos)
+        return simple_read_from_buffer(buf, count, ppos, msg, msglen);
-                *ppos = msglen;
-        return msglen;
 }
 static ssize_t validate_flash_write(struct file *file, const char __user *buf,
diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c
index 0438f819fe6..049dbecb5db 100644
--- a/arch/powerpc/kernel/rtasd.c
+++ b/arch/powerpc/kernel/rtasd.c
@@ -160,7 +160,7 @@ static int log_rtas_len(char * buf)
        /* rtas fixed header */
        len = 8;
        err = (struct rtas_error_log *)buf;
-        if (err->extended_log_length) {
+        if (err->extended && err->extended_log_length) {
                /* extended header */
                len += err->extended_log_length;
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 09e4dea4a85..09d31dbf43f 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -265,11 +265,26 @@ void accumulate_stolen_time(void)
 {
        u64 sst, ust;
-        sst = scan_dispatch_log(get_paca()->starttime_user);
+        u8 save_soft_enabled = local_paca->soft_enabled;
-        ust = scan_dispatch_log(get_paca()->starttime);
+        u8 save_hard_enabled = local_paca->hard_enabled;
-        get_paca()->system_time -= sst;
-        get_paca()->user_time -= ust;
+        /* We are called early in the exception entry, before
-        get_paca()->stolen_time += ust + sst;
+         * soft/hard_enabled are sync'ed to the expected state
+         * for the exception. We are hard disabled but the PACA
+         * needs to reflect that so various debug stuff doesn't
+         * complain
+         */
+        local_paca->soft_enabled = 0;
+        local_paca->hard_enabled = 0;
+        sst = scan_dispatch_log(local_paca->starttime_user);
+        ust = scan_dispatch_log(local_paca->starttime);
+        local_paca->system_time -= sst;
+        local_paca->user_time -= ust;
+        local_paca->stolen_time += ust + sst;
+        local_paca->soft_enabled = save_soft_enabled;
+        local_paca->hard_enabled = save_hard_enabled;
 }
 static inline u64 calculate_stolen_time(u64 stop_tb)
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 1b2cdc8eec9..bd74fac169b 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -626,12 +626,6 @@ void machine_check_exception(struct pt_regs *regs)
        if (recover > 0)
                return;
-        if (user_mode(regs)) {
-                regs->msr |= MSR_RI;
-                _exception(SIGBUS, regs, BUS_ADRERR, regs->nip);
-                return;
-        }
 #if defined(CONFIG_8xx) && defined(CONFIG_PCI)
        /* the qspan pci read routines can cause machine checks -- Cort
         *
@@ -643,16 +637,12 @@ void machine_check_exception(struct pt_regs *regs)
        return;
 #endif
-        if (debugger_fault_handler(regs)) {
+        if (debugger_fault_handler(regs))
-                regs->msr |= MSR_RI;
                return;
-        }
        if (check_io_access(regs))
                return;
-        if (debugger_fault_handler(regs))
-                return;
        die("Machine check", regs, SIGBUS);
        /* Must die if the interrupt is not recoverable */
diff --git a/arch/powerpc/lib/feature-fixups-test.S b/arch/powerpc/lib/feature-fixups-test.S
index cb737484c5a..f4613118132 100644
--- a/arch/powerpc/lib/feature-fixups-test.S
+++ b/arch/powerpc/lib/feature-fixups-test.S
@@ -172,6 +172,25 @@ globl(ftr_fixup_test6_expected)
 3:      or      3,3,3
+#if 0
+/* Test that if we have a larger else case the assembler spots it and
+ * reports an error. #if 0'ed so as not to break the build normally.
+ */
+ftr_fixup_test7:
+        or      1,1,1
+BEGIN_FTR_SECTION
+        or      2,2,2
+        or      2,2,2
+        or      2,2,2
+FTR_SECTION_ELSE
+        or      3,3,3
+        or      3,3,3
+        or      3,3,3
+        or      3,3,3
+ALT_FTR_SECTION_END(0, 1)
+        or      1,1,1
+#endif
 #define MAKE_MACRO_TEST(TYPE)                                           \
 globl(ftr_fixup_test_ ##TYPE##_macros)                                  \
        or      1,1,1;                                                  \
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index bf5cb91f07d..fd481232957 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -186,7 +186,7 @@ static void unmap_cpu_from_node(unsigned long cpu)
        dbg("removing cpu %lu from node %d\n", cpu, node);
        if (cpumask_test_cpu(cpu, node_to_cpumask_map[node])) {
-                cpumask_set_cpu(cpu, node_to_cpumask_map[node]);
+                cpumask_clear_cpu(cpu, node_to_cpumask_map[node]);
        } else {
                printk(KERN_ERR "WARNING: cpu %lu not found in node %d\n",
                       cpu, node);
@@ -1289,10 +1289,9 @@ u64 memory_hotplug_max(void)
 }
 #endif /* CONFIG_MEMORY_HOTPLUG */
-/* Vrtual Processor Home Node (VPHN) support */
+/* Virtual Processor Home Node (VPHN) support */
 #ifdef CONFIG_PPC_SPLPAR
-#define VPHN_NR_CHANGE_CTRS (8)
+static u8 vphn_cpu_change_counts[NR_CPUS][MAX_DISTANCE_REF_POINTS];
-static u8 vphn_cpu_change_counts[NR_CPUS][VPHN_NR_CHANGE_CTRS];
 static cpumask_t cpu_associativity_changes_mask;
 static int vphn_enabled;
 static void set_topology_timer(void);
@@ -1303,16 +1302,18 @@ static void set_topology_timer(void);
 */
 static void setup_cpu_associativity_change_counters(void)
 {
-        int cpu = 0;
+        int cpu;
+        /* The VPHN feature supports a maximum of 8 reference points */
+        BUILD_BUG_ON(MAX_DISTANCE_REF_POINTS > 8);
        for_each_possible_cpu(cpu) {
-                int i = 0;
+                int i;
                u8 *counts = vphn_cpu_change_counts[cpu];
                volatile u8 *hypervisor_counts = lppaca[cpu].vphn_assoc_counts;
-                for (i = 0; i < VPHN_NR_CHANGE_CTRS; i++) {
+                for (i = 0; i < distance_ref_points_depth; i++)
                        counts[i] = hypervisor_counts[i];
-                }
        }
 }
@@ -1329,7 +1330,7 @@ static void setup_cpu_associativity_change_counters(void)
 */
 static int update_cpu_associativity_changes_mask(void)
 {
-        int cpu = 0, nr_cpus = 0;
+        int cpu, nr_cpus = 0;
        cpumask_t *changes = &cpu_associativity_changes_mask;
        cpumask_clear(changes);
@@ -1339,8 +1340,8 @@ static int update_cpu_associativity_changes_mask(void)
                u8 *counts = vphn_cpu_change_counts[cpu];
                volatile u8 *hypervisor_counts = lppaca[cpu].vphn_assoc_counts;
-                for (i = 0; i < VPHN_NR_CHANGE_CTRS; i++) {
+                for (i = 0; i < distance_ref_points_depth; i++) {
-                        if (hypervisor_counts[i] > counts[i]) {
+                        if (hypervisor_counts[i] != counts[i]) {
                                counts[i] = hypervisor_counts[i];
                                changed = 1;
                        }
@@ -1354,8 +1355,11 @@ static int update_cpu_associativity_changes_mask(void)
        return nr_cpus;
 }
-/* 6 64-bit registers unpacked into 12 32-bit associativity values */
+/*
-#define VPHN_ASSOC_BUFSIZE (6*sizeof(u64)/sizeof(u32))
+ * 6 64-bit registers unpacked into 12 32-bit associativity values. To form
+ * the complete property we have to add the length in the first cell.
+ */
+#define VPHN_ASSOC_BUFSIZE (6*sizeof(u64)/sizeof(u32) + 1)
 /*
 * Convert the associativity domain numbers returned from the hypervisor
@@ -1363,15 +1367,14 @@ static int update_cpu_associativity_changes_mask(void)
 */
 static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked)
 {
-        int i = 0;
+        int i, nr_assoc_doms = 0;
-        int nr_assoc_doms = 0;
        const u16 *field = (const u16*) packed;
 #define VPHN_FIELD_UNUSED       (0xffff)
 #define VPHN_FIELD_MSB          (0x8000)
 #define VPHN_FIELD_MASK         (~VPHN_FIELD_MSB)
-        for (i = 0; i < VPHN_ASSOC_BUFSIZE; i++) {
+        for (i = 1; i < VPHN_ASSOC_BUFSIZE; i++) {
                if (*field == VPHN_FIELD_UNUSED) {
                        /* All significant fields processed, and remaining
                         * fields contain the reserved value of all 1's.
@@ -1379,14 +1382,12 @@ static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked)
                         */
                        unpacked[i] = *((u32*)field);
                        field += 2;
-                }
+                } else if (*field & VPHN_FIELD_MSB) {
-                else if (*field & VPHN_FIELD_MSB) {
                        /* Data is in the lower 15 bits of this field */
                        unpacked[i] = *field & VPHN_FIELD_MASK;
                        field++;
                        nr_assoc_doms++;
-                }
+                } else {
-                else {
                        /* Data is in the lower 15 bits of this field
                         * concatenated with the next 16 bit field
                         */
@@ -1396,6 +1397,9 @@ static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked)
                }
        }
+        /* The first cell contains the length of the property */
+        unpacked[0] = nr_assoc_doms;
        return nr_assoc_doms;
 }
@@ -1405,7 +1409,7 @@ static int vphn_unpack_associativity(const long *packed, unsigned int *unpacked)
 */
 static long hcall_vphn(unsigned long cpu, unsigned int *associativity)
 {
-        long rc = 0;
+        long rc;
        long retbuf[PLPAR_HCALL9_BUFSIZE] = {0};
        u64 flags = 1;
        int hwcpu = get_hard_smp_processor_id(cpu);
@@ -1419,7 +1423,7 @@ static long hcall_vphn(unsigned long cpu, unsigned int *associativity)
 static long vphn_get_associativity(unsigned long cpu,
                                        unsigned int *associativity)
 {
-        long rc = 0;
+        long rc;
        rc = hcall_vphn(cpu, associativity);
@@ -1445,9 +1449,9 @@ static long vphn_get_associativity(unsigned long cpu,
 */
 int arch_update_cpu_topology(void)
 {
-        int cpu = 0, nid = 0, old_nid = 0;
+        int cpu, nid, old_nid;
        unsigned int associativity[VPHN_ASSOC_BUFSIZE] = {0};
-        struct sys_device *sysdev = NULL;
+        struct sys_device *sysdev;
        for_each_cpu_mask(cpu, cpu_associativity_changes_mask) {
                vphn_get_associativity(cpu, associativity);
@@ -1512,7 +1516,8 @@ int start_topology_update(void)
 {
        int rc = 0;
-        if (firmware_has_feature(FW_FEATURE_VPHN)) {
+        if (firmware_has_feature(FW_FEATURE_VPHN) &&
+            get_lppaca()->shared_proc) {
                vphn_enabled = 1;
                setup_cpu_associativity_change_counters();
                init_timer_deferrable(&topology_timer);
diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c
index 1ec06576f61..c14d09f614f 100644
--- a/arch/powerpc/mm/tlb_hash64.c
+++ b/arch/powerpc/mm/tlb_hash64.c
@@ -38,13 +38,11 @@ DEFINE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
 * neesd to be flushed. This function will either perform the flush
 * immediately or will batch it up if the current CPU has an active
 * batch on it.
- *
- * Must be called from within some kind of spinlock/non-preempt region...
 */
 void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
                     pte_t *ptep, unsigned long pte, int huge)
 {
-        struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
+        struct ppc64_tlb_batch *batch = &get_cpu_var(ppc64_tlb_batch);
        unsigned long vsid, vaddr;
        unsigned int psize;
        int ssize;
@@ -99,6 +97,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
         */
        if (!batch->active) {
                flush_hash_page(vaddr, rpte, psize, ssize, 0);
+                put_cpu_var(ppc64_tlb_batch);
                return;
        }
@@ -127,6 +126,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
        batch->index = ++i;
        if (i >= PPC64_TLB_BATCH_NR)
                __flush_tlb_pending(batch);
+        put_cpu_var(ppc64_tlb_batch);
 }
 /*
diff --git a/arch/powerpc/platforms/83xx/mpc830x_rdb.c b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
index 661d354e4ff..d0c4e15b779 100644
--- a/arch/powerpc/platforms/83xx/mpc830x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
@@ -57,12 +57,12 @@ static void __init mpc830x_rdb_init_IRQ(void)
        ipic_set_default_priority();
 }
-struct const char *board[] __initdata = {
+static const char *board[] __initdata = {
        "MPC8308RDB",
        "fsl,mpc8308rdb",
        "denx,mpc8308_p1m",
        NULL
-}
+};
 /*
 * Called very early, MMU is off, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/83xx/mpc831x_rdb.c b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
index b54cd736a89..f859ead49a8 100644
--- a/arch/powerpc/platforms/83xx/mpc831x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
@@ -60,11 +60,11 @@ static void __init mpc831x_rdb_init_IRQ(void)
        ipic_set_default_priority();
 }
-struct const char *board[] __initdata = {
+static const char *board[] __initdata = {
        "MPC8313ERDB",
        "fsl,mpc8315erdb",
        NULL
-}
+};
 /*
 * Called very early, MMU is off, device-tree isn't unflattened
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index 0fea8811d45..82a434510d8 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -35,6 +35,8 @@
 /* system i/o configuration register high */
 #define MPC83XX_SICRH_OFFS         0x118
+#define MPC8308_SICRH_USB_MASK     0x000c0000
+#define MPC8308_SICRH_USB_ULPI     0x00040000
 #define MPC834X_SICRH_USB_UTMI     0x00020000
 #define MPC831X_SICRH_USB_MASK     0x000000e0
 #define MPC831X_SICRH_USB_ULPI     0x000000a0
diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c
index 3ba4bb7d41b..2c64164722d 100644
--- a/arch/powerpc/platforms/83xx/usb.c
+++ b/arch/powerpc/platforms/83xx/usb.c
@@ -127,7 +127,8 @@ int mpc831x_usb_cfg(void)
        /* Configure clock */
        immr_node = of_get_parent(np);
-        if (immr_node && of_device_is_compatible(immr_node, "fsl,mpc8315-immr"))
+        if (immr_node && (of_device_is_compatible(immr_node, "fsl,mpc8315-immr") ||
+                        of_device_is_compatible(immr_node, "fsl,mpc8308-immr")))
                clrsetbits_be32(immap + MPC83XX_SCCR_OFFS,
                                MPC8315_SCCR_USB_MASK,
                                MPC8315_SCCR_USB_DRCM_01);
@@ -138,7 +139,11 @@ int mpc831x_usb_cfg(void)
        /* Configure pin mux for ULPI.  There is no pin mux for UTMI */
        if (prop && !strcmp(prop, "ulpi")) {
-                if (of_device_is_compatible(immr_node, "fsl,mpc8315-immr")) {
+                if (of_device_is_compatible(immr_node, "fsl,mpc8308-immr")) {
+                        clrsetbits_be32(immap + MPC83XX_SICRH_OFFS,
+                                        MPC8308_SICRH_USB_MASK,
+                                        MPC8308_SICRH_USB_ULPI);
+                } else if (of_device_is_compatible(immr_node, "fsl,mpc8315-immr")) {
                        clrsetbits_be32(immap + MPC83XX_SICRL_OFFS,
                                        MPC8315_SICRL_USB_MASK,
                                        MPC8315_SICRL_USB_ULPI);
@@ -173,6 +178,9 @@ int mpc831x_usb_cfg(void)
                     !strcmp(prop, "utmi"))) {
                u32 refsel;
+                if (of_device_is_compatible(immr_node, "fsl,mpc8308-immr"))
+                        goto out;
                if (of_device_is_compatible(immr_node, "fsl,mpc8315-immr"))
                        refsel = CONTROL_REFSEL_24MHZ;
                else
@@ -186,9 +194,11 @@ int mpc831x_usb_cfg(void)
                temp = CONTROL_PHY_CLK_SEL_ULPI;
 #ifdef CONFIG_USB_OTG
                /* Set OTG_PORT */
-                dr_mode = of_get_property(np, "dr_mode", NULL);
+                if (!of_device_is_compatible(immr_node, "fsl,mpc8308-immr")) {
-                if (dr_mode && !strcmp(dr_mode, "otg"))
+                        dr_mode = of_get_property(np, "dr_mode", NULL);
-                        temp |= CONTROL_OTG_PORT;
+                        if (dr_mode && !strcmp(dr_mode, "otg"))
+                                temp |= CONTROL_OTG_PORT;
+                }
 #endif /* CONFIG_USB_OTG */
                out_be32(usb_regs + FSL_USB2_CONTROL_OFFS, temp);
        } else {
@@ -196,6 +206,7 @@ int mpc831x_usb_cfg(void)
                ret = -EINVAL;
        }
+out:
        iounmap(usb_regs);
        of_node_put(np);
        return ret;
diff --git a/arch/powerpc/platforms/cell/cpufreq_spudemand.c b/arch/powerpc/platforms/cell/cpufreq_spudemand.c
index 968c1c0b4d5..d809836bcf5 100644
--- a/arch/powerpc/platforms/cell/cpufreq_spudemand.c
+++ b/arch/powerpc/platforms/cell/cpufreq_spudemand.c
@@ -39,8 +39,6 @@ struct spu_gov_info_struct {
 };
 static DEFINE_PER_CPU(struct spu_gov_info_struct, spu_gov_info);
-static struct workqueue_struct *kspugov_wq;
 static int calc_freq(struct spu_gov_info_struct *info)
 {
        int cpu;
@@ -71,14 +69,14 @@ static void spu_gov_work(struct work_struct *work)
        __cpufreq_driver_target(info->policy, target_freq, CPUFREQ_RELATION_H);
        delay = usecs_to_jiffies(info->poll_int);
-        queue_delayed_work_on(info->policy->cpu, kspugov_wq, &info->work, delay);
+        schedule_delayed_work_on(info->policy->cpu, &info->work, delay);
 }
 static void spu_gov_init_work(struct spu_gov_info_struct *info)
 {
        int delay = usecs_to_jiffies(info->poll_int);
        INIT_DELAYED_WORK_DEFERRABLE(&info->work, spu_gov_work);
-        queue_delayed_work_on(info->policy->cpu, kspugov_wq, &info->work, delay);
+        schedule_delayed_work_on(info->policy->cpu, &info->work, delay);
 }
 static void spu_gov_cancel_work(struct spu_gov_info_struct *info)
@@ -152,27 +150,15 @@ static int __init spu_gov_init(void)
 {
        int ret;
-        kspugov_wq = create_workqueue("kspugov");
-        if (!kspugov_wq) {
-                printk(KERN_ERR "creation of kspugov failed\n");
-                ret = -EFAULT;
-                goto out;
-        }
        ret = cpufreq_register_governor(&spu_governor);
-        if (ret) {
+        if (ret)
                printk(KERN_ERR "registration of governor failed\n");
-                destroy_workqueue(kspugov_wq);
-                goto out;
-        }
-out:
        return ret;
 }
 static void __exit spu_gov_exit(void)
 {
        cpufreq_unregister_governor(&spu_governor);
-        destroy_workqueue(kspugov_wq);
 }
diff --git a/arch/powerpc/platforms/cell/qpace_setup.c b/arch/powerpc/platforms/cell/qpace_setup.c
index 1b574904275..d31c594cfdf 100644
--- a/arch/powerpc/platforms/cell/qpace_setup.c
+++ b/arch/powerpc/platforms/cell/qpace_setup.c
@@ -145,9 +145,4 @@ define_machine(qpace) {
        .calibrate_decr         = generic_calibrate_decr,
        .progress               = qpace_progress,
        .init_IRQ               = iic_init_IRQ,
-#ifdef CONFIG_KEXEC
-        .machine_kexec          = default_machine_kexec,
-        .machine_kexec_prepare  = default_machine_kexec_prepare,
-        .machine_crash_shutdown = default_machine_crash_shutdown,
-#endif
 };
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 8547e86bfb4..acfaccea5f4 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -37,6 +37,7 @@
 #include <asm/spu_csa.h>
 #include <asm/xmon.h>
 #include <asm/prom.h>
+#include <asm/kexec.h>
 const struct spu_management_ops *spu_management_ops;
 EXPORT_SYMBOL_GPL(spu_management_ops);
@@ -727,6 +728,75 @@ static ssize_t spu_stat_show(struct sys_device *sysdev,
 static SYSDEV_ATTR(stat, 0644, spu_stat_show, NULL);
+#ifdef CONFIG_KEXEC
+struct crash_spu_info {
+        struct spu *spu;
+        u32 saved_spu_runcntl_RW;
+        u32 saved_spu_status_R;
+        u32 saved_spu_npc_RW;
+        u64 saved_mfc_sr1_RW;
+        u64 saved_mfc_dar;
+        u64 saved_mfc_dsisr;
+};
+#define CRASH_NUM_SPUS  16      /* Enough for current hardware */
+static struct crash_spu_info crash_spu_info[CRASH_NUM_SPUS];
+static void crash_kexec_stop_spus(void)
+{
+        struct spu *spu;
+        int i;
+        u64 tmp;
+        for (i = 0; i < CRASH_NUM_SPUS; i++) {
+                if (!crash_spu_info[i].spu)
+                        continue;
+                spu = crash_spu_info[i].spu;
+                crash_spu_info[i].saved_spu_runcntl_RW =
+                        in_be32(&spu->problem->spu_runcntl_RW);
+                crash_spu_info[i].saved_spu_status_R =
+                        in_be32(&spu->problem->spu_status_R);
+                crash_spu_info[i].saved_spu_npc_RW =
+                        in_be32(&spu->problem->spu_npc_RW);
+                crash_spu_info[i].saved_mfc_dar    = spu_mfc_dar_get(spu);
+                crash_spu_info[i].saved_mfc_dsisr  = spu_mfc_dsisr_get(spu);
+                tmp = spu_mfc_sr1_get(spu);
+                crash_spu_info[i].saved_mfc_sr1_RW = tmp;
+                tmp &= ~MFC_STATE1_MASTER_RUN_CONTROL_MASK;
+                spu_mfc_sr1_set(spu, tmp);
+                __delay(200);
+        }
+}
+static void crash_register_spus(struct list_head *list)
+{
+        struct spu *spu;
+        int ret;
+        list_for_each_entry(spu, list, full_list) {
+                if (WARN_ON(spu->number >= CRASH_NUM_SPUS))
+                        continue;
+                crash_spu_info[spu->number].spu = spu;
+        }
+        ret = crash_shutdown_register(&crash_kexec_stop_spus);
+        if (ret)
+                printk(KERN_ERR "Could not register SPU crash handler");
+}
+#else
+static inline void crash_register_spus(struct list_head *list)
+{
+}
+#endif
 static int __init init_spu_base(void)
 {
        int i, ret = 0;
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 02f7b113a31..3c7c3f82d84 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -219,24 +219,17 @@ spufs_mem_write(struct file *file, const char __user *buffer,
        loff_t pos = *ppos;
        int ret;
-        if (pos < 0)
-                return -EINVAL;
        if (pos > LS_SIZE)
                return -EFBIG;
-        if (size > LS_SIZE - pos)
-                size = LS_SIZE - pos;
        ret = spu_acquire(ctx);
        if (ret)
                return ret;
        local_store = ctx->ops->get_ls(ctx);
-        ret = copy_from_user(local_store + pos, buffer, size);
+        size = simple_write_to_buffer(local_store, LS_SIZE, ppos, buffer, size);
        spu_release(ctx);
-        if (ret)
-                return -EFAULT;
-        *ppos = pos + size;
        return size;
 }
@@ -574,18 +567,15 @@ spufs_regs_write(struct file *file, const char __user *buffer,
        if (*pos >= sizeof(lscsa->gprs))
                return -EFBIG;
-        size = min_t(ssize_t, sizeof(lscsa->gprs) - *pos, size);
-        *pos += size;
        ret = spu_acquire_saved(ctx);
        if (ret)
                return ret;
-        ret = copy_from_user((char *)lscsa->gprs + *pos - size,
+        size = simple_write_to_buffer(lscsa->gprs, sizeof(lscsa->gprs), pos,
-                             buffer, size) ? -EFAULT : size;
+                                        buffer, size);
        spu_release_saved(ctx);
-        return ret;
+        return size;
 }
 static const struct file_operations spufs_regs_fops = {
@@ -630,18 +620,15 @@ spufs_fpcr_write(struct file *file, const char __user * buffer,
        if (*pos >= sizeof(lscsa->fpcr))
                return -EFBIG;
-        size = min_t(ssize_t, sizeof(lscsa->fpcr) - *pos, size);
        ret = spu_acquire_saved(ctx);
        if (ret)
                return ret;
-        *pos += size;
+        size = simple_write_to_buffer(&lscsa->fpcr, sizeof(lscsa->fpcr), pos,
-        ret = copy_from_user((char *)&lscsa->fpcr + *pos - size,
+                                        buffer, size);
-                             buffer, size) ? -EFAULT : size;
        spu_release_saved(ctx);
-        return ret;
+        return size;
 }
 static const struct file_operations spufs_fpcr_fops = {
diff --git a/arch/powerpc/platforms/embedded6xx/gamecube.c b/arch/powerpc/platforms/embedded6xx/gamecube.c
index 1106fd99627..a138e14bad2 100644
--- a/arch/powerpc/platforms/embedded6xx/gamecube.c
+++ b/arch/powerpc/platforms/embedded6xx/gamecube.c
@@ -75,14 +75,6 @@ static void gamecube_shutdown(void)
        flipper_quiesce();
 }
-#ifdef CONFIG_KEXEC
-static int gamecube_kexec_prepare(struct kimage *image)
-{
-        return 0;
-}
-#endif /* CONFIG_KEXEC */
 define_machine(gamecube) {
        .name                   = "gamecube",
        .probe                  = gamecube_probe,
@@ -95,9 +87,6 @@ define_machine(gamecube) {
        .calibrate_decr         = generic_calibrate_decr,
        .progress               = udbg_progress,
        .machine_shutdown       = gamecube_shutdown,
-#ifdef CONFIG_KEXEC
-        .machine_kexec_prepare  = gamecube_kexec_prepare,
-#endif
 };
diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c
index 649473a729b..1b5dc1a2e14 100644
--- a/arch/powerpc/platforms/embedded6xx/wii.c
+++ b/arch/powerpc/platforms/embedded6xx/wii.c
@@ -18,7 +18,6 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/seq_file.h>
-#include <linux/kexec.h>
 #include <linux/of_platform.h>
 #include <linux/memblock.h>
 #include <mm/mmu_decl.h>
@@ -226,13 +225,6 @@ static void wii_shutdown(void)
        flipper_quiesce();
 }
-#ifdef CONFIG_KEXEC
-static int wii_machine_kexec_prepare(struct kimage *image)
-{
-        return 0;
-}
-#endif /* CONFIG_KEXEC */
 define_machine(wii) {
        .name                   = "wii",
        .probe                  = wii_probe,
@@ -246,9 +238,6 @@ define_machine(wii) {
        .calibrate_decr         = generic_calibrate_decr,
        .progress               = udbg_progress,
        .machine_shutdown       = wii_shutdown,
-#ifdef CONFIG_KEXEC
-        .machine_kexec_prepare  = wii_machine_kexec_prepare,
-#endif
 };
 static struct of_device_id wii_of_bus[] = {
diff --git a/arch/powerpc/platforms/iseries/Kconfig b/arch/powerpc/platforms/iseries/Kconfig
index 47a20cfb448..e5bc9f75d47 100644
--- a/arch/powerpc/platforms/iseries/Kconfig
+++ b/arch/powerpc/platforms/iseries/Kconfig
@@ -2,7 +2,7 @@ config PPC_ISERIES
        bool "IBM Legacy iSeries"
        depends on PPC64 && PPC_BOOK3S
        select PPC_INDIRECT_IO
-        select PPC_PCI_CHOICE if EMBEDDED
+        select PPC_PCI_CHOICE if EXPERT
 menu "iSeries device drivers"
        depends on PPC_ISERIES
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index 5d1b743dbe7..5b3da4b4ea7 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -10,7 +10,7 @@ config PPC_PSERIES
        select RTAS_ERROR_LOGGING
        select PPC_UDBG_16550
        select PPC_NATIVE
-        select PPC_PCI_CHOICE if EMBEDDED
+        select PPC_PCI_CHOICE if EXPERT
        default y
 config PPC_SPLPAR
@@ -24,9 +24,9 @@ config PPC_SPLPAR
          two or more partitions.
 config EEH
-        bool "PCI Extended Error Handling (EEH)" if EMBEDDED
+        bool "PCI Extended Error Handling (EEH)" if EXPERT
        depends on PPC_PSERIES && PCI
-        default y if !EMBEDDED
+        default y if !EXPERT
 config PSERIES_MSI
       bool
diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c
index 53cbd53d874..77d38a5e2ff 100644
--- a/arch/powerpc/platforms/pseries/kexec.c
+++ b/arch/powerpc/platforms/pseries/kexec.c
@@ -61,13 +61,3 @@ void __init setup_kexec_cpu_down_xics(void)
 {
        ppc_md.kexec_cpu_down = pseries_kexec_cpu_down_xics;
 }
-static int __init pseries_kexec_setup(void)
-{
-        ppc_md.machine_kexec = default_machine_kexec;
-        ppc_md.machine_kexec_prepare = default_machine_kexec_prepare;
-        ppc_md.machine_crash_shutdown = default_machine_crash_shutdown;
-        return 0;
-}
-machine_device_initcall(pseries, pseries_kexec_setup);
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 5d3ea9f60dd..ca5d5898d32 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -713,6 +713,13 @@ EXPORT_SYMBOL(arch_free_page);
 /* NB: reg/unreg are called while guarded with the tracepoints_mutex */
 extern long hcall_tracepoint_refcount;
+/* 
+ * Since the tracing code might execute hcalls we need to guard against
+ * recursion. One example of this are spinlocks calling H_YIELD on
+ * shared processor partitions.
+ */
+static DEFINE_PER_CPU(unsigned int, hcall_trace_depth);
 void hcall_tracepoint_regfunc(void)
 {
        hcall_tracepoint_refcount++;
@@ -725,12 +732,42 @@ void hcall_tracepoint_unregfunc(void)
 void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
 {
+        unsigned long flags;
+        unsigned int *depth;
+        local_irq_save(flags);
+        depth = &__get_cpu_var(hcall_trace_depth);
+        if (*depth)
+                goto out;
+        (*depth)++;
        trace_hcall_entry(opcode, args);
+        (*depth)--;
+out:
+        local_irq_restore(flags);
 }
 void __trace_hcall_exit(long opcode, unsigned long retval,
                        unsigned long *retbuf)
 {
+        unsigned long flags;
+        unsigned int *depth;
+        local_irq_save(flags);
+        depth = &__get_cpu_var(hcall_trace_depth);
+        if (*depth)
+                goto out;
+        (*depth)++;
        trace_hcall_exit(opcode, retval, retbuf);
+        (*depth)--;
+out:
+        local_irq_restore(flags);
 }
 #endif
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index a4fc6da87c2..c55d7ad9c64 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -54,7 +54,8 @@
 static unsigned char ras_log_buf[RTAS_ERROR_LOG_MAX];
 static DEFINE_SPINLOCK(ras_log_buf_lock);
-static char mce_data_buf[RTAS_ERROR_LOG_MAX];
+static char global_mce_data_buf[RTAS_ERROR_LOG_MAX];
+static DEFINE_PER_CPU(__u64, mce_data_buf);
 static int ras_get_sensor_state_token;
 static int ras_check_exception_token;
@@ -196,12 +197,24 @@ static irqreturn_t ras_error_interrupt(int irq, void *dev_id)
        return IRQ_HANDLED;
 }
-/* Get the error information for errors coming through the
+/*
+ * Some versions of FWNMI place the buffer inside the 4kB page starting at
+ * 0x7000. Other versions place it inside the rtas buffer. We check both.
+ */
+#define VALID_FWNMI_BUFFER(A) \
+        ((((A) >= 0x7000) && ((A) < 0x7ff0)) || \
+        (((A) >= rtas.base) && ((A) < (rtas.base + rtas.size - 16))))
+/*
+ * Get the error information for errors coming through the
 * FWNMI vectors.  The pt_regs' r3 will be updated to reflect
 * the actual r3 if possible, and a ptr to the error log entry
 * will be returned if found.
 *
- * The mce_data_buf does not have any locks or protection around it,
+ * If the RTAS error is not of the extended type, then we put it in a per
+ * cpu 64bit buffer. If it is the extended type we use global_mce_data_buf.
+ *
+ * The global_mce_data_buf does not have any locks or protection around it,
 * if a second machine check comes in, or a system reset is done
 * before we have logged the error, then we will get corruption in the
 * error log.  This is preferable over holding off on calling
@@ -210,20 +223,31 @@ static irqreturn_t ras_error_interrupt(int irq, void *dev_id)
 */
 static struct rtas_error_log *fwnmi_get_errinfo(struct pt_regs *regs)
 {
-        unsigned long errdata = regs->gpr[3];
-        struct rtas_error_log *errhdr = NULL;
        unsigned long *savep;
+        struct rtas_error_log *h, *errhdr = NULL;
+        if (!VALID_FWNMI_BUFFER(regs->gpr[3])) {
+                printk(KERN_ERR "FWNMI: corrupt r3\n");
+                return NULL;
+        }
-        if ((errdata >= 0x7000 && errdata < 0x7fff0) ||
+        savep = __va(regs->gpr[3]);
-            (errdata >= rtas.base && errdata < rtas.base + rtas.size - 16)) {
+        regs->gpr[3] = savep[0];        /* restore original r3 */
-                savep = __va(errdata);
-                regs->gpr[3] = savep[0];        /* restore original r3 */
+        /* If it isn't an extended log we can use the per cpu 64bit buffer */
-                memset(mce_data_buf, 0, RTAS_ERROR_LOG_MAX);
+        h = (struct rtas_error_log *)&savep[1];
-                memcpy(mce_data_buf, (char *)(savep + 1), RTAS_ERROR_LOG_MAX);
+        if (!h->extended) {
-                errhdr = (struct rtas_error_log *)mce_data_buf;
+                memcpy(&__get_cpu_var(mce_data_buf), h, sizeof(__u64));
+                errhdr = (struct rtas_error_log *)&__get_cpu_var(mce_data_buf);
        } else {
-                printk("FWNMI: corrupt r3\n");
+                int len;
+                len = max_t(int, 8+h->extended_log_length, RTAS_ERROR_LOG_MAX);
+                memset(global_mce_data_buf, 0, RTAS_ERROR_LOG_MAX);
+                memcpy(global_mce_data_buf, h, len);
+                errhdr = (struct rtas_error_log *)global_mce_data_buf;
        }
        return errhdr;
 }
@@ -235,7 +259,7 @@ static void fwnmi_release_errinfo(void)
 {
        int ret = rtas_call(rtas_token("ibm,nmi-interlock"), 0, 1, NULL);
        if (ret != 0)
-                printk("FWNMI: nmi-interlock failed: %d\n", ret);
+                printk(KERN_ERR "FWNMI: nmi-interlock failed: %d\n", ret);
 }
 int pSeries_system_reset_exception(struct pt_regs *regs)
@@ -259,31 +283,43 @@ int pSeries_system_reset_exception(struct pt_regs *regs)
 * Return 1 if corrected (or delivered a signal).
 * Return 0 if there is nothing we can do.
 */
-static int recover_mce(struct pt_regs *regs, struct rtas_error_log * err)
+static int recover_mce(struct pt_regs *regs, struct rtas_error_log *err)
 {
-        int nonfatal = 0;
+        int recovered = 0;
-        if (err->disposition == RTAS_DISP_FULLY_RECOVERED) {
+        if (!(regs->msr & MSR_RI)) {
+                /* If MSR_RI isn't set, we cannot recover */
+                recovered = 0;
+        } else if (err->disposition == RTAS_DISP_FULLY_RECOVERED) {
                /* Platform corrected itself */
-                nonfatal = 1;
+                recovered = 1;
-        } else if ((regs->msr & MSR_RI) &&
-                   user_mode(regs) &&
+        } else if (err->disposition == RTAS_DISP_LIMITED_RECOVERY) {
-                   err->severity == RTAS_SEVERITY_ERROR_SYNC &&
+                /* Platform corrected itself but could be degraded */
-                   err->disposition == RTAS_DISP_NOT_RECOVERED &&
+                printk(KERN_ERR "MCE: limited recovery, system may "
-                   err->target == RTAS_TARGET_MEMORY &&
+                       "be degraded\n");
-                   err->type == RTAS_TYPE_ECC_UNCORR &&
+                recovered = 1;
-                   !(current->pid == 0 || is_global_init(current))) {
-                /* Kill off a user process with an ECC error */
+        } else if (user_mode(regs) && !is_global_init(current) &&
-                printk(KERN_ERR "MCE: uncorrectable ecc error for pid %d\n",
+                   err->severity == RTAS_SEVERITY_ERROR_SYNC) {
-                       current->pid);
-                /* XXX something better for ECC error? */
+                /*
-                _exception(SIGBUS, regs, BUS_ADRERR, regs->nip);
+                 * If we received a synchronous error when in userspace
-                nonfatal = 1;
+                 * kill the task. Firmware may report details of the fail
+                 * asynchronously, so we can't rely on the target and type
+                 * fields being valid here.
+                 */
+                printk(KERN_ERR "MCE: uncorrectable error, killing task "
+                       "%s:%d\n", current->comm, current->pid);
+                _exception(SIGBUS, regs, BUS_MCEERR_AR, regs->nip);
+                recovered = 1;
        }
-        log_error((char *)err, ERR_TYPE_RTAS_LOG, !nonfatal);
+        log_error((char *)err, ERR_TYPE_RTAS_LOG, 0);
-        return nonfatal;
+        return recovered;
 }
 /*
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 9f99bef2ade..8c6cab01327 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1555,8 +1555,6 @@ int fsl_rio_setup(struct platform_device *dev)
        saved_mcheck_exception = ppc_md.machine_check_exception;
        ppc_md.machine_check_exception = fsl_rio_mcheck_exception;
 #endif
-        /* Ensure that RFXE is set */
-        mtspr(SPRN_HID1, (mfspr(SPRN_HID1) | 0x20000));
        return 0;
 err:
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 7c1342618a3..b0c8469e5dd 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -674,7 +674,8 @@ void mpic_unmask_irq(unsigned int irq)
        /* make sure mask gets to controller before we return to user */
        do {
                if (!loops--) {
-                        printk(KERN_ERR "mpic_enable_irq timeout\n");
+                        printk(KERN_ERR "%s: timeout on hwirq %u\n",
+                               __func__, src);
                        break;
                }
        } while(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK);
@@ -695,7 +696,8 @@ void mpic_mask_irq(unsigned int irq)
        /* make sure mask gets to controller before we return to user */
        do {
                if (!loops--) {
-                        printk(KERN_ERR "mpic_enable_irq timeout\n");
+                        printk(KERN_ERR "%s: timeout on hwirq %u\n",
+                               __func__, src);
                        break;
                }
        } while(!(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK));