diff --git a/MAINTAINERS b/MAINTAINERS
index bef7977..4ce895a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4022,11 +4022,11 @@
 
 XFS FILESYSTEM
 P:	Silicon Graphics Inc
-P:	Tim Shimmin, David Chatterton
+P:	Tim Shimmin
 M:	xfs-masters@oss.sgi.com
 L:	xfs@oss.sgi.com
 W:	http://oss.sgi.com/projects/xfs
-T:	git git://oss.sgi.com:8090/xfs/xfs-2.6
+T:	git git://oss.sgi.com:8090/xfs/xfs-2.6.git
 S:	Supported
 
 XILINX UARTLITE SERIAL DRIVER
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 81a2b92..6ffbab7 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -535,8 +535,7 @@
 
 /******************************* init / exit *********************************/
 
-static void
-appldata_online_cpu(int cpu)
+static void __cpuinit appldata_online_cpu(int cpu)
 {
 	init_virt_timer(&per_cpu(appldata_timer, cpu));
 	per_cpu(appldata_timer, cpu).function = appldata_timer_function;
@@ -580,7 +579,7 @@
 	return NOTIFY_OK;
 }
 
-static struct notifier_block appldata_nb = {
+static struct notifier_block __cpuinitdata appldata_nb = {
 	.notifier_call = appldata_cpu_notify,
 };
 
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index c8a2212..6234c69 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -769,10 +769,13 @@
 
 	RESTORE_ALL __LC_RETURN_MCCK_PSW,0
 
-#ifdef CONFIG_SMP
 /*
  * Restart interruption handler, kick starter for additional CPUs
  */
+#ifdef CONFIG_SMP
+#ifndef CONFIG_HOTPLUG_CPU
+	.section .init.text,"ax"
+#endif
 	.globl restart_int_handler
 restart_int_handler:
 	l	%r15,__LC_SAVE_AREA+60	# load ksp
@@ -785,6 +788,9 @@
 	br	%r14			# branch to start_secondary
 restart_addr:
 	.long	start_secondary
+#ifndef CONFIG_HOTPLUG_CPU
+	.previous
+#endif
 #else
 /*
  * If we do not run with SMP enabled, let the new CPU crash ...
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 93745fd..685f11f 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -745,10 +745,13 @@
 #endif
 	lpswe	__LC_RETURN_MCCK_PSW	# back to caller
 
-#ifdef CONFIG_SMP
 /*
  * Restart interruption handler, kick starter for additional CPUs
  */
+#ifdef CONFIG_SMP
+#ifndef CONFIG_HOTPLUG_CPU
+	.section .init.text,"ax"
+#endif
 	.globl restart_int_handler
 restart_int_handler:
 	lg	%r15,__LC_SAVE_AREA+120 # load ksp
@@ -759,6 +762,9 @@
 	lmg	%r6,%r15,__SF_GPRS(%r15) # load registers from clone
 	stosm	__SF_EMPTY(%r15),0x04	# now we can turn dat on
 	jg	start_secondary
+#ifndef CONFIG_HOTPLUG_CPU
+	.previous
+#endif
 #else
 /*
  * If we do not run with SMP enabled, let the new CPU crash ...
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 51d6309..7e1bfb9 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -300,6 +300,7 @@
 	else
 		sprintf(str, "cio_ignore=all,!0.0.%04x",
 			ipl_info.data.fcp.dev_id.devno);
+	strcat(COMMAND_LINE, " ");
 	strcat(COMMAND_LINE, str);
 	console_loglevel = 2;
 }
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index cbfe730..ee9186f 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -253,19 +253,22 @@
 {
 	static int die_counter;
 
+	oops_enter();
 	debug_stop_all();
 	console_verbose();
 	spin_lock_irq(&die_lock);
 	bust_spinlocks(1);
 	printk("%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
-        show_regs(regs);
+	print_modules();
+	show_regs(regs);
 	bust_spinlocks(0);
-        spin_unlock_irq(&die_lock);
+	spin_unlock_irq(&die_lock);
 	if (in_interrupt())
 		panic("Fatal exception in interrupt");
 	if (panic_on_oops)
 		panic("Fatal exception: panic_on_oops");
-        do_exit(SIGSEGV);
+	oops_exit();
+	do_exit(SIGSEGV);
 }
 
 static void inline
diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c
index b32c35a..e323e29 100644
--- a/arch/sh/kernel/signal.c
+++ b/arch/sh/kernel/signal.c
@@ -268,7 +268,7 @@
 badframe:
 	force_sig(SIGSEGV, current);
 	return 0;
-}	
+}
 
 /*
  * Set up a signal frame.
@@ -481,7 +481,7 @@
 
 static int
 handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
-	      sigset_t *oldset, struct pt_regs *regs)
+	      sigset_t *oldset, struct pt_regs *regs, unsigned int save_r0)
 {
 	int ret;
 
@@ -489,6 +489,7 @@
 	if (regs->tra >= 0) {
 		/* If so, check system call restarting.. */
 		switch (regs->regs[0]) {
+			case -ERESTART_RESTARTBLOCK:
 			case -ERESTARTNOHAND:
 				regs->regs[0] = -EINTR;
 				break;
@@ -500,6 +501,7 @@
 				}
 			/* fallthrough */
 			case -ERESTARTNOINTR:
+				regs->regs[0] = save_r0;
 				regs->pc -= instruction_size(
 						ctrl_inw(regs->pc - 4));
 				break;
@@ -583,7 +585,8 @@
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 	if (signr > 0) {
 		/* Whee!  Actually deliver the signal.  */
-		if (handle_signal(signr, &ka, &info, oldset, regs) == 0) {
+		if (handle_signal(signr, &ka, &info, oldset,
+				  regs, save_r0) == 0) {
 			/* a signal was successfully delivered; the saved
 			 * sigmask will have been stored in the signal frame,
 			 * and will be restored by sigreturn, so we can simply
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 5b75cb6..8f18930 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -83,6 +83,8 @@
 {
 	static int die_counter;
 
+	oops_enter();
+
 	console_verbose();
 	spin_lock_irq(&die_lock);
 	bust_spinlocks(1);
@@ -112,6 +114,7 @@
 	if (panic_on_oops)
 		panic("Fatal exception");
 
+	oops_exit();
 	do_exit(SIGSEGV);
 }
 
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 66eb068..4e711a9 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -267,7 +267,9 @@
 	u64 tod;
 	cpuid_t cpu_id;
 	u32 arch_id;
+	u32 volnr;
 	u32 build_arch;
+	u64 rmem_size;
 	char pad2[4016];
 } __attribute__((packed,__aligned__(16)));
 
@@ -559,6 +561,7 @@
 	else
 		hdr->arch_id = DUMP_ARCH_S390;
 	hdr->mem_size = sys_info.mem_size;
+	hdr->rmem_size = sys_info.mem_size;
 	hdr->mem_end = sys_info.mem_size;
 	hdr->num_pages = sys_info.mem_size / PAGE_SIZE;
 	hdr->tod = get_clock();
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 86fb671..ed90403 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -159,7 +159,7 @@
 		if (status)
 			goto unlock;
 
-		memclear_highpage_flush(page, offset, bytes);
+		zero_user_page(page, offset, bytes, KM_USER0);
 
 		status = mapping->a_ops->commit_write(NULL, page, offset,
 							offset + bytes);
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index e0fcea8..5cb480a 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -216,6 +216,11 @@
 	barrier();
 }
 
+static inline void psw_set_key(unsigned int key)
+{
+	asm volatile("spka 0(%0)" : : "d" (key));
+}
+
 /*
  * Set PSW to specified value.
  */
diff --git a/include/asm-s390/ptrace.h b/include/asm-s390/ptrace.h
index fa6ca87..332ee73 100644
--- a/include/asm-s390/ptrace.h
+++ b/include/asm-s390/ptrace.h
@@ -470,14 +470,7 @@
 #define regs_return_value(regs)((regs)->gprs[2])
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs * regs);
-#endif
-
-static inline void
-psw_set_key(unsigned int key)
-{
-	asm volatile("spka 0(%0)" : : "d" (key));
-}
-
+#endif /* __KERNEL__ */
 #endif /* __ASSEMBLY__ */
 
 #endif /* _S390_PTRACE_H */
diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index 5a2bef4..7a22f0f 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -775,7 +775,8 @@
 		out_le32(&chip->awacs->control, in_le32(&chip->awacs->control) & 0xfff);
 	}
 
-	snd_pmac_sound_feature(chip, 0);
+	if (chip->node)
+		snd_pmac_sound_feature(chip, 0);
 
 	/* clean up mixer if any */
 	if (chip->mixer_free)
@@ -925,6 +926,7 @@
 	}
 	if (! sound) {
 		of_node_put(chip->node);
+		chip->node = NULL;
 		return -ENODEV;
 	}
 	prop = of_get_property(sound, "sub-frame", NULL);
@@ -937,7 +939,9 @@
 		printk(KERN_INFO "snd-powermac no longer handles any "
 				 "machines with a layout-id property "
 				 "in the device-tree, use snd-aoa.\n");
+		of_node_put(sound);
 		of_node_put(chip->node);
+		chip->node = NULL;
 		return -ENODEV;
 	}
 	/* This should be verified on older screamers */
@@ -1297,8 +1301,6 @@
 	return 0;
 
  __error:
-	if (chip->pdev)
-		pci_dev_put(chip->pdev);
 	snd_pmac_free(chip);
 	return err;
 }