merge linus into test branch

25 files changed, 693 insertions, 661 deletions

diff --git a/arch/i386/defconfig b/arch/i386/defconfig
index 3265208e589..e075ff05c46 100644
--- a/arch/i386/defconfig
+++ b/arch/i386/defconfig
@@ -1493,8 +1493,6 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_FRAME_POINTER is not set
-CONFIG_UNWIND_INFO=y
-CONFIG_STACK_UNWIND=y
 # CONFIG_FORCED_INLINING is not set
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_RCU_TORTURE_TEST is not set
diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
index 18f4715c655..b735458c6e3 100644
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -126,27 +126,6 @@ static unsigned extract_freq(u32 val, struct acpi_cpufreq_data *data)
 	}
 }
 
-static void wrport(u16 port, u8 bit_width, u32 value)
-{
-	if (bit_width <= 8)
-		outb(value, port);
-	else if (bit_width <= 16)
-		outw(value, port);
-	else if (bit_width <= 32)
-		outl(value, port);
-}
-
-static void rdport(u16 port, u8 bit_width, u32 * ret)
-{
-	*ret = 0;
-	if (bit_width <= 8)
-		*ret = inb(port);
-	else if (bit_width <= 16)
-		*ret = inw(port);
-	else if (bit_width <= 32)
-		*ret = inl(port);
-}
-
 struct msr_addr {
 	u32 reg;
 };
@@ -177,7 +156,9 @@ static void do_drv_read(struct drv_cmd *cmd)
 		rdmsr(cmd->addr.msr.reg, cmd->val, h);
 		break;
 	case SYSTEM_IO_CAPABLE:
-		rdport(cmd->addr.io.port, cmd->addr.io.bit_width, &cmd->val);
+		acpi_os_read_port((acpi_io_address)cmd->addr.io.port,
+				&cmd->val,
+				(u32)cmd->addr.io.bit_width);
 		break;
 	default:
 		break;
@@ -193,7 +174,9 @@ static void do_drv_write(struct drv_cmd *cmd)
 		wrmsr(cmd->addr.msr.reg, cmd->val, h);
 		break;
 	case SYSTEM_IO_CAPABLE:
-		wrport(cmd->addr.io.port, cmd->addr.io.bit_width, cmd->val);
+		acpi_os_write_port((acpi_io_address)cmd->addr.io.port,
+				cmd->val,
+				(u32)cmd->addr.io.bit_width);
 		break;
 	default:
 		break;
@@ -699,14 +682,14 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	if (result)
 		goto err_freqfree;
 
-	switch (data->cpu_feature) {
+	switch (perf->control_register.space_id) {
 	case ACPI_ADR_SPACE_SYSTEM_IO:
 		/* Current speed is unknown and not detectable by IO port */
 		policy->cur = acpi_cpufreq_guess_freq(data, policy->cpu);
 		break;
 	case ACPI_ADR_SPACE_FIXED_HARDWARE:
 		acpi_cpufreq_driver.get = get_cur_freq_on_cpu;
-		get_cur_freq_on_cpu(cpu);
+		policy->cur = get_cur_freq_on_cpu(cpu);
 		break;
 	default:
 		break;
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index c548daad347..6d9c97a690f 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -787,8 +787,10 @@ static int __init longhaul_init(void)
 	switch (c->x86_model) {
 	case 6 ... 9:
 		return cpufreq_register_driver(&longhaul_driver);
+	case 10:
+		printk(KERN_ERR PFX "Use acpi-cpufreq driver for VIA C7\n");
 	default:
-		printk (KERN_INFO PFX "Unknown VIA CPU. Contact davej@codemonkey.org.uk\n");
+		;;
 	}
 
 	return -ENODEV;
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index de34b7fed3c..06461b8b715 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -979,38 +979,6 @@ ENTRY(spurious_interrupt_bug)
 	jmp error_code
 	CFI_ENDPROC
 
-#ifdef CONFIG_STACK_UNWIND
-ENTRY(arch_unwind_init_running)
-	CFI_STARTPROC
-	movl	4(%esp), %edx
-	movl	(%esp), %ecx
-	leal	4(%esp), %eax
-	movl	%ebx, PT_EBX(%edx)
-	xorl	%ebx, %ebx
-	movl	%ebx, PT_ECX(%edx)
-	movl	%ebx, PT_EDX(%edx)
-	movl	%esi, PT_ESI(%edx)
-	movl	%edi, PT_EDI(%edx)
-	movl	%ebp, PT_EBP(%edx)
-	movl	%ebx, PT_EAX(%edx)
-	movl	$__USER_DS, PT_DS(%edx)
-	movl	$__USER_DS, PT_ES(%edx)
-	movl	$0, PT_GS(%edx)
-	movl	%ebx, PT_ORIG_EAX(%edx)
-	movl	%ecx, PT_EIP(%edx)
-	movl	12(%esp), %ecx
-	movl	$__KERNEL_CS, PT_CS(%edx)
-	movl	%ebx, PT_EFLAGS(%edx)
-	movl	%eax, PT_OLDESP(%edx)
-	movl	8(%esp), %eax
-	movl	%ecx, 8(%esp)
-	movl	PT_EBX(%edx), %ebx
-	movl	$__KERNEL_DS, PT_OLDSS(%edx)
-	jmpl	*%eax
-	CFI_ENDPROC
-ENDPROC(arch_unwind_init_running)
-#endif
-
 ENTRY(kernel_thread_helper)
 	pushl $0		# fake return address for unwinder
 	CFI_STARTPROC
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 2b30dbf8d11..0efad8aeb41 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -94,11 +94,6 @@ asmlinkage void spurious_interrupt_bug(void);
 asmlinkage void machine_check(void);
 
 int kstack_depth_to_print = 24;
-#ifdef CONFIG_STACK_UNWIND
-static int call_trace = 1;
-#else
-#define call_trace (-1)
-#endif
 ATOMIC_NOTIFIER_HEAD(i386die_chain);
 
 int register_die_notifier(struct notifier_block *nb)
@@ -152,33 +147,6 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo,
 	return ebp;
 }
 
-struct ops_and_data {
-	struct stacktrace_ops *ops;
-	void *data;
-};
-
-static asmlinkage int
-dump_trace_unwind(struct unwind_frame_info *info, void *data)
-{
-	struct ops_and_data *oad = (struct ops_and_data *)data;
-	int n = 0;
-	unsigned long sp = UNW_SP(info);
-
-	if (arch_unw_user_mode(info))
-		return -1;
-	while (unwind(info) == 0 && UNW_PC(info)) {
-		n++;
-		oad->ops->address(oad->data, UNW_PC(info));
-		if (arch_unw_user_mode(info))
-			break;
-		if ((sp & ~(PAGE_SIZE - 1)) == (UNW_SP(info) & ~(PAGE_SIZE - 1))
-		    && sp > UNW_SP(info))
-			break;
-		sp = UNW_SP(info);
-	}
-	return n;
-}
-
 #define MSG(msg) ops->warning(data, msg)
 
 void dump_trace(struct task_struct *task, struct pt_regs *regs,
@@ -190,41 +158,6 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
 	if (!task)
 		task = current;
 
-	if (call_trace >= 0) {
-		int unw_ret = 0;
-		struct unwind_frame_info info;
-		struct ops_and_data oad = { .ops = ops, .data = data };
-
-		if (regs) {
-			if (unwind_init_frame_info(&info, task, regs) == 0)
-				unw_ret = dump_trace_unwind(&info, &oad);
-		} else if (task == current)
-			unw_ret = unwind_init_running(&info, dump_trace_unwind,
-						      &oad);
-		else {
-			if (unwind_init_blocked(&info, task) == 0)
-				unw_ret = dump_trace_unwind(&info, &oad);
-		}
-		if (unw_ret > 0) {
-			if (call_trace == 1 && !arch_unw_user_mode(&info)) {
-				ops->warning_symbol(data,
-					     "DWARF2 unwinder stuck at %s",
-					     UNW_PC(&info));
-				if (UNW_SP(&info) >= PAGE_OFFSET) {
-					MSG("Leftover inexact backtrace:");
-					stack = (void *)UNW_SP(&info);
-					if (!stack)
-						return;
-					ebp = UNW_FP(&info);
-				} else
-					MSG("Full inexact backtrace again:");
-			} else if (call_trace >= 1)
-				return;
-			else
-				MSG("Full inexact backtrace again:");
-		} else
-			MSG("Inexact backtrace:");
-	}
 	if (!stack) {
 		unsigned long dummy;
 		stack = &dummy;
@@ -1258,19 +1191,3 @@ static int __init kstack_setup(char *s)
 	return 1;
 }
 __setup("kstack=", kstack_setup);
-
-#ifdef CONFIG_STACK_UNWIND
-static int __init call_trace_setup(char *s)
-{
-	if (strcmp(s, "old") == 0)
-		call_trace = -1;
-	else if (strcmp(s, "both") == 0)
-		call_trace = 0;
-	else if (strcmp(s, "newfallback") == 0)
-		call_trace = 1;
-	else if (strcmp(s, "new") == 2)
-		call_trace = 2;
-	return 1;
-}
-__setup("call_trace=", call_trace_setup);
-#endif
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index a6ec919ba83..5368cf4a350 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,14 +1,15 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.19-rc2
-# Wed Oct 18 17:11:10 2006
+# Linux kernel version: 2.6.20-rc1
+# Fri Dec 15 16:52:28 2006
 #
 CONFIG_MMU=y
 CONFIG_LOCKDEP_SUPPORT=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_GENERIC_HWEIGHT=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_TIME=y
 CONFIG_S390=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -37,12 +38,13 @@ CONFIG_AUDIT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
+CONFIG_SYSFS_DEPRECATED=y
 # CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 # CONFIG_EMBEDDED is not set
-# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -119,6 +121,7 @@ CONFIG_PACK_STACK=y
 CONFIG_CHECK_STACK=y
 CONFIG_STACK_GUARD=256
 # CONFIG_WARN_STACK is not set
+CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -128,6 +131,7 @@ CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_RESOURCES_64BIT=y
+CONFIG_HOLES_IN_ZONE=y
 
 #
 # I/O subsystem configuration
@@ -196,6 +200,7 @@ CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
 CONFIG_IPV6=y
 # CONFIG_IPV6_PRIVACY is not set
 # CONFIG_IPV6_ROUTER_PREF is not set
@@ -211,7 +216,6 @@ CONFIG_INET6_XFRM_MODE_BEET=y
 # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
 CONFIG_IPV6_SIT=y
 # CONFIG_IPV6_TUNNEL is not set
-# CONFIG_IPV6_SUBTREES is not set
 # CONFIG_IPV6_MULTIPLE_TABLES is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
@@ -246,6 +250,7 @@ CONFIG_IPV6_SIT=y
 # QoS and/or fair queueing
 #
 CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_FIFO=y
 CONFIG_NET_SCH_CLK_JIFFIES=y
 # CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set
 # CONFIG_NET_SCH_CLK_CPU is not set
@@ -277,6 +282,7 @@ CONFIG_NET_CLS_ROUTE=y
 CONFIG_NET_CLS_FW=m
 CONFIG_NET_CLS_U32=m
 # CONFIG_CLS_U32_PERF is not set
+CONFIG_CLS_U32_MARK=y
 CONFIG_NET_CLS_RSVP=m
 CONFIG_NET_CLS_RSVP6=m
 # CONFIG_NET_EMATCH is not set
@@ -315,6 +321,7 @@ CONFIG_SYS_HYPERVISOR=y
 #
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
+# CONFIG_SCSI_TGT is not set
 CONFIG_SCSI_NETLINK=y
 CONFIG_SCSI_PROC_FS=y
 
@@ -335,6 +342,7 @@ CONFIG_CHR_DEV_SG=y
 CONFIG_SCSI_MULTI_LUN=y
 CONFIG_SCSI_CONSTANTS=y
 CONFIG_SCSI_LOGGING=y
+CONFIG_SCSI_SCAN_ASYNC=y
 
 #
 # SCSI Transports
@@ -546,6 +554,7 @@ CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
+CONFIG_GENERIC_ACL=y
 
 #
 # CD-ROM/DVD Filesystems
@@ -571,7 +580,7 @@ CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
-# CONFIG_CONFIGFS_FS is not set
+CONFIG_CONFIGFS_FS=m
 
 #
 # Miscellaneous filesystems
@@ -616,7 +625,6 @@ CONFIG_SUNRPC=y
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
 # CONFIG_9P_FS is not set
-CONFIG_GENERIC_ACL=y
 
 #
 # Partition Types
@@ -646,6 +654,14 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_NLS is not set
 
 #
+# Distributed Lock Manager
+#
+CONFIG_DLM=m
+CONFIG_DLM_TCP=y
+# CONFIG_DLM_SCTP is not set
+# CONFIG_DLM_DEBUG is not set
+
+#
 # Instrumentation Support
 #
 
@@ -663,6 +679,8 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+CONFIG_HEADERS_CHECK=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_SCHEDSTATS is not set
@@ -679,13 +697,11 @@ CONFIG_DEBUG_SPINLOCK_SLEEP=y
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
-CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_UNWIND_INFO is not set
 CONFIG_FORCED_INLINING=y
-CONFIG_HEADERS_CHECK=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_LKDTM is not set
 
@@ -699,10 +715,11 @@ CONFIG_HEADERS_CHECK=y
 # Cryptographic options
 #
 CONFIG_CRYPTO=y
-CONFIG_CRYPTO_ALGAPI=m
-CONFIG_CRYPTO_BLKCIPHER=m
-CONFIG_CRYPTO_MANAGER=m
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_MANAGER=y
 # CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
 # CONFIG_CRYPTO_NULL is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
@@ -713,8 +730,10 @@ CONFIG_CRYPTO_MANAGER=m
 # CONFIG_CRYPTO_SHA512 is not set
 # CONFIG_CRYPTO_WP512 is not set
 # CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
 CONFIG_CRYPTO_ECB=m
-CONFIG_CRYPTO_CBC=m
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_LRW is not set
 # CONFIG_CRYPTO_DES is not set
 # CONFIG_CRYPTO_DES_S390 is not set
 # CONFIG_CRYPTO_BLOWFISH is not set
@@ -740,8 +759,10 @@ CONFIG_CRYPTO_CBC=m
 #
 # Library routines
 #
+CONFIG_BITREVERSE=m
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC32=m
 # CONFIG_LIBCRC32C is not set
 CONFIG_PLIST=y
+CONFIG_IOMAP_COPY=y
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index 443fa377d9f..2782cf9da5b 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -379,7 +379,7 @@ static void *diag204_alloc_vbuf(int pages)
 static void *diag204_alloc_rbuf(void)
 {
 	diag204_buf = (void*)__get_free_pages(GFP_KERNEL,0);
-	if (diag204_buf)
+	if (!diag204_buf)
 		return ERR_PTR(-ENOMEM);
 	diag204_buf_pages = 1;
 	return diag204_buf;
@@ -521,7 +521,7 @@ __init int hypfs_diag_init(void)
 	}
 	rc = diag224_get_name_table();
 	if (rc) {
-		diag224_delete_name_table();
+		diag204_free_buffer();
 		printk(KERN_ERR "hypfs: could not get name table.\n");
 	}
 	return rc;
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index a36bea1188d..9e9972e8a52 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -609,42 +609,12 @@ static ssize_t on_panic_store(struct subsystem *subsys, const char *buf,
 static struct subsys_attribute on_panic_attr =
 		__ATTR(on_panic, 0644, on_panic_show, on_panic_store);
 
-static void print_fcp_block(struct ipl_parameter_block *fcp_block)
-{
-	printk(KERN_EMERG "wwpn:      %016llx\n",
-		(unsigned long long)fcp_block->ipl_info.fcp.wwpn);
-	printk(KERN_EMERG "lun:       %016llx\n",
-		(unsigned long long)fcp_block->ipl_info.fcp.lun);
-	printk(KERN_EMERG "bootprog:  %lld\n",
-		(unsigned long long)fcp_block->ipl_info.fcp.bootprog);
-	printk(KERN_EMERG "br_lba:    %lld\n",
-		(unsigned long long)fcp_block->ipl_info.fcp.br_lba);
-	printk(KERN_EMERG "device:    %llx\n",
-		(unsigned long long)fcp_block->ipl_info.fcp.devno);
-	printk(KERN_EMERG "opt:       %x\n", fcp_block->ipl_info.fcp.opt);
-}
-
 void do_reipl(void)
 {
 	struct ccw_dev_id devid;
 	static char buf[100];
 	char loadparm[LOADPARM_LEN + 1];
 
-	switch (reipl_type) {
-	case IPL_TYPE_CCW:
-		reipl_get_ascii_loadparm(loadparm);
-		printk(KERN_EMERG "reboot on ccw device: 0.0.%04x\n",
-			reipl_block_ccw->ipl_info.ccw.devno);
-		printk(KERN_EMERG "loadparm = '%s'\n", loadparm);
-		break;
-	case IPL_TYPE_FCP:
-		printk(KERN_EMERG "reboot on fcp device:\n");
-		print_fcp_block(reipl_block_fcp);
-		break;
-	default:
-		break;
-	}
-
 	switch (reipl_method) {
 	case IPL_METHOD_CCW_CIO:
 		devid.devno = reipl_block_ccw->ipl_info.ccw.devno;
@@ -654,6 +624,7 @@ void do_reipl(void)
 		reipl_ccw_dev(&devid);
 		break;
 	case IPL_METHOD_CCW_VM:
+		reipl_get_ascii_loadparm(loadparm);
 		if (strlen(loadparm) == 0)
 			sprintf(buf, "IPL %X",
 				reipl_block_ccw->ipl_info.ccw.devno);
@@ -683,7 +654,6 @@ void do_reipl(void)
 		diag308(DIAG308_IPL, NULL);
 		break;
 	}
-	printk(KERN_EMERG "reboot failed!\n");
 	signal_processor(smp_processor_id(), sigp_stop_and_store_status);
 }
 
@@ -692,19 +662,6 @@ static void do_dump(void)
 	struct ccw_dev_id devid;
 	static char buf[100];
 
-	switch (dump_type) {
-	case IPL_TYPE_CCW:
-		printk(KERN_EMERG "Automatic dump on ccw device: 0.0.%04x\n",
-		       dump_block_ccw->ipl_info.ccw.devno);
-		break;
-	case IPL_TYPE_FCP:
-		printk(KERN_EMERG "Automatic dump on fcp device:\n");
-		print_fcp_block(dump_block_fcp);
-		break;
-	default:
-		return;
-	}
-
 	switch (dump_method) {
 	case IPL_METHOD_CCW_CIO:
 		smp_send_stop();
@@ -1037,15 +994,21 @@ static void do_reset_calls(void)
 }
 
 extern void reset_mcck_handler(void);
+extern void reset_pgm_handler(void);
+extern __u32 dump_prefix_page;
 
 void s390_reset_system(void)
 {
 	struct _lowcore *lc;
 
-	/* Stack for interrupt/machine check handler */
 	lc = (struct _lowcore *)(unsigned long) store_prefix();
+
+	/* Stack for interrupt/machine check handler */
 	lc->panic_stack = S390_lowcore.panic_stack;
 
+	/* Save prefix page address for dump case */
+	dump_prefix_page = (unsigned long) lc;
+
 	/* Disable prefixing */
 	set_prefix(0);
 
@@ -1056,5 +1019,11 @@ void s390_reset_system(void)
 	S390_lowcore.mcck_new_psw.mask = PSW_KERNEL_BITS & ~PSW_MASK_MCHECK;
 	S390_lowcore.mcck_new_psw.addr =
 		PSW_ADDR_AMODE | (unsigned long) &reset_mcck_handler;
+
+	/* Set new program check handler */
+	S390_lowcore.program_new_psw.mask = PSW_KERNEL_BITS & ~PSW_MASK_MCHECK;
+	S390_lowcore.program_new_psw.addr =
+		PSW_ADDR_AMODE | (unsigned long) &reset_pgm_handler;
+
 	do_reset_calls();
 }
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S
index f9434d42ce9..c3f4d9b9508 100644
--- a/arch/s390/kernel/reipl.S
+++ b/arch/s390/kernel/reipl.S
@@ -16,7 +16,7 @@ do_reipl_asm:	basr	%r13,0
 		stm	%r0,%r15,__LC_GPREGS_SAVE_AREA
 		stctl	%c0,%c15,__LC_CREGS_SAVE_AREA
 		stam	%a0,%a15,__LC_AREGS_SAVE_AREA
-		stpx	__LC_PREFIX_SAVE_AREA
+		mvc	__LC_PREFIX_SAVE_AREA(4),dump_prefix_page-.Lpg0(%r13)
 		stckc	.Lclkcmp-.Lpg0(%r13)
 		mvc	__LC_CLOCK_COMP_SAVE_AREA(8),.Lclkcmp-.Lpg0(%r13)
 		stpt	__LC_CPU_TIMER_SAVE_AREA
@@ -79,3 +79,7 @@ do_reipl_asm:	basr	%r13,0
 		.long	0x00000000,0x00000000
 		.long	0x00000000,0x00000000
 		.long	0x00000000,0x00000000
+	.globl dump_prefix_page
+dump_prefix_page:
+	.long 0x00000000
+
diff --git a/arch/s390/kernel/reipl64.S b/arch/s390/kernel/reipl64.S
index f18ef260ca2..dbb3eed3886 100644
--- a/arch/s390/kernel/reipl64.S
+++ b/arch/s390/kernel/reipl64.S
@@ -20,7 +20,7 @@ do_reipl_asm:	basr	%r13,0
 		stg	%r0,__LC_GPREGS_SAVE_AREA-0x1000+8(%r1)
 		stctg	%c0,%c15,__LC_CREGS_SAVE_AREA-0x1000(%r1)
 		stam	%a0,%a15,__LC_AREGS_SAVE_AREA-0x1000(%r1)
-		stpx	__LC_PREFIX_SAVE_AREA-0x1000(%r1)
+		mvc	__LC_PREFIX_SAVE_AREA-0x1000(4,%r1),dump_prefix_page-.Lpg0(%r13)
 		stfpc	__LC_FP_CREG_SAVE_AREA-0x1000(%r1)
 		stckc	.Lclkcmp-.Lpg0(%r13)
 		mvc	__LC_CLOCK_COMP_SAVE_AREA-0x1000(8,%r1),.Lclkcmp-.Lpg0(%r13)
@@ -103,3 +103,6 @@ do_reipl_asm:	basr	%r13,0
 		.long	0x00000000,0x00000000
 		.long	0x00000000,0x00000000
 		.long	0x00000000,0x00000000
+	.globl dump_prefix_page
+dump_prefix_page:
+	.long 0x00000000
diff --git a/arch/s390/kernel/reset.S b/arch/s390/kernel/reset.S
index be8688c0665..8a87355161f 100644
--- a/arch/s390/kernel/reset.S
+++ b/arch/s390/kernel/reset.S
@@ -3,6 +3,7 @@
  *
  *    Copyright (C) IBM Corp. 2006
  *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
+ *		 Michael Holzheu <holzheu@de.ibm.com>
  */
 
 #include <asm/ptrace.h>
@@ -27,6 +28,26 @@ reset_mcck_handler:
 s390_reset_mcck_handler:
 	.quad	0
 
+	.globl	reset_pgm_handler
+reset_pgm_handler:
+	stmg	%r0,%r15,__LC_SAVE_AREA
+	basr	%r13,0
+0:	lg	%r15,__LC_PANIC_STACK	# load panic stack
+	aghi	%r15,-STACK_FRAME_OVERHEAD
+	lg	%r1,s390_reset_pgm_handler-0b(%r13)
+	ltgr	%r1,%r1
+	jz	1f
+	basr	%r14,%r1
+	lmg	%r0,%r15,__LC_SAVE_AREA
+	lpswe	__LC_PGM_OLD_PSW
+1:	lpswe	disabled_wait_psw-0b(%r13)
+	.globl s390_reset_pgm_handler
+s390_reset_pgm_handler:
+	.quad	0
+	.align	8
+disabled_wait_psw:
+	.quad	0x0002000180000000,0x0000000000000000 + reset_pgm_handler
+
 #else /* CONFIG_64BIT */
 
 	.globl	reset_mcck_handler
@@ -45,4 +66,25 @@ reset_mcck_handler:
 s390_reset_mcck_handler:
 	.long	0
 
+	.globl	reset_pgm_handler
+reset_pgm_handler:
+	stm	%r0,%r15,__LC_SAVE_AREA
+	basr	%r13,0
+0:	l	%r15,__LC_PANIC_STACK	# load panic stack
+	ahi	%r15,-STACK_FRAME_OVERHEAD
+	l	%r1,s390_reset_pgm_handler-0b(%r13)
+	ltr	%r1,%r1
+	jz	1f
+	basr	%r14,%r1
+	lm	%r0,%r15,__LC_SAVE_AREA
+	lpsw	__LC_PGM_OLD_PSW
+
+1:	lpsw	disabled_wait_psw-0b(%r13)
+	.globl	s390_reset_pgm_handler
+s390_reset_pgm_handler:
+	.long	0
+disabled_wait_psw:
+	.align 8
+	.long	0x000a0000,0x00000000 + reset_pgm_handler
+
 #endif /* CONFIG_64BIT */
diff --git a/arch/sparc/defconfig b/arch/sparc/defconfig
index a6985626300..79e54894529 100644
--- a/arch/sparc/defconfig
+++ b/arch/sparc/defconfig
@@ -1,41 +1,59 @@
 #
 # Automatically generated make config: don't edit
+# Linux kernel version: 2.6.20-rc1
+# Sun Dec 17 14:20:47 2006
 #
 CONFIG_MMU=y
-CONFIG_UID16=y
 CONFIG_HIGHMEM=y
 CONFIG_GENERIC_ISA_DMA=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
-CONFIG_STANDALONE=y
 CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
 #
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
+# CONFIG_IPC_NS is not set
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
-CONFIG_SYSCTL=y
+# CONFIG_TASKSTATS is not set
+# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
-CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_HOTPLUG is not set
 # CONFIG_IKCONFIG is not set
+CONFIG_SYSFS_DEPRECATED=y
+# CONFIG_RELAY is not set
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
 # CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
-CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
-CONFIG_IOSCHED_DEADLINE=y
-CONFIG_IOSCHED_CFQ=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SHMEM=y
+CONFIG_SLAB=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
 
 #
 # Loadable module support
@@ -43,17 +61,36 @@ CONFIG_IOSCHED_CFQ=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
 # CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
 
 #
-# General setup
+# Block layer
+#
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+
+#
+# General machine setup
 #
-CONFIG_VT=y
-CONFIG_VT_CONSOLE=y
-CONFIG_HW_CONSOLE=y
 # CONFIG_SMP is not set
+CONFIG_SPARC=y
 CONFIG_SPARC32=y
 CONFIG_SBUS=y
 CONFIG_SBUSCHAR=y
@@ -61,73 +98,170 @@ CONFIG_SERIAL_CONSOLE=y
 CONFIG_SUN_AUXIO=y
 CONFIG_SUN_IO=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_SUN_PM=y
 # CONFIG_SUN4 is not set
 CONFIG_PCI=y
-# CONFIG_PCI_LEGACY_PROC is not set
-# CONFIG_PCI_NAMES is not set
+# CONFIG_PCI_MULTITHREAD_PROBE is not set
+# CONFIG_PCI_DEBUG is not set
 CONFIG_SUN_OPENPROMFS=m
+# CONFIG_SPARC_LED is not set
 CONFIG_BINFMT_ELF=y
 CONFIG_BINFMT_AOUT=y
 CONFIG_BINFMT_MISC=m
 CONFIG_SUNOS_EMUL=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
 
 #
-# Parallel port support
+# Networking
 #
-# CONFIG_PARPORT is not set
+CONFIG_NET=y
 
 #
-# Generic Driver Options
+# Networking options
 #
-# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_NETDEBUG is not set
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+CONFIG_XFRM_USER=m
+# CONFIG_XFRM_SUB_POLICY is not set
+CONFIG_NET_KEY=m
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+CONFIG_INET_AH=y
+CONFIG_INET_ESP=y
+CONFIG_INET_IPCOMP=y
+CONFIG_INET_XFRM_TUNNEL=y
+CONFIG_INET_TUNNEL=y
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+CONFIG_IPV6=m
+CONFIG_IPV6_PRIVACY=y
+# CONFIG_IPV6_ROUTER_PREF is not set
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+# CONFIG_IPV6_MIP6 is not set
+CONFIG_INET6_XFRM_TUNNEL=m
+CONFIG_INET6_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_TUNNEL=m
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
 
 #
-# Graphics support
+# DCCP Configuration (EXPERIMENTAL)
 #
-# CONFIG_FB is not set
+# CONFIG_IP_DCCP is not set
 
 #
-# Console display driver support
+# SCTP Configuration (EXPERIMENTAL)
 #
-# CONFIG_MDA_CONSOLE is not set
-# CONFIG_PROM_CONSOLE is not set
-CONFIG_DUMMY_CONSOLE=y
+CONFIG_IP_SCTP=m
+# CONFIG_SCTP_DBG_MSG is not set
+CONFIG_SCTP_DBG_OBJCNT=y
+# CONFIG_SCTP_HMAC_NONE is not set
+# CONFIG_SCTP_HMAC_SHA1 is not set
+CONFIG_SCTP_HMAC_MD5=y
 
 #
-# Memory Technology Devices (MTD)
+# TIPC Configuration (EXPERIMENTAL)
 #
-# CONFIG_MTD is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG