diff --git a/[refs] b/[refs]
index 9447d56a759d..2ca54be57c20 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 02a121da5a53d415b6596bc19cc6999d295d32a4
+refs/heads/master: d894f4510d2155f9136c8c1bb91912481329f6e0
diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS
index 7c8392e1797d..2bbe40ea4d10 100644
--- a/trunk/MAINTAINERS
+++ b/trunk/MAINTAINERS
@@ -2173,7 +2173,7 @@ S:	Maintained
 
 KDUMP
 P:	Vivek Goyal
-M:	vgoyal@in.ibm.com
+M:	vgoyal@redhat.com
 P:	Haren Myneni
 M:	hbabu@us.ibm.com
 L:	kexec@lists.infradead.org
diff --git a/trunk/arch/um/Kconfig.i386 b/trunk/arch/um/Kconfig.i386
index e0ac74e5d4c4..717f5d3440e3 100644
--- a/trunk/arch/um/Kconfig.i386
+++ b/trunk/arch/um/Kconfig.i386
@@ -8,6 +8,13 @@ config UML_X86
 	bool
 	default y
 
+config X86_32
+       bool
+       default y
+
+config RWSEM_XCHGADD_ALGORITHM
+	def_bool y
+
 config 64BIT
 	bool
 	default n
diff --git a/trunk/arch/um/drivers/chan_user.c b/trunk/arch/um/drivers/chan_user.c
index b88e93b3a39f..025764089ac8 100644
--- a/trunk/arch/um/drivers/chan_user.c
+++ b/trunk/arch/um/drivers/chan_user.c
@@ -74,10 +74,16 @@ void generic_free(void *data)
 
 int generic_console_write(int fd, const char *buf, int n)
 {
+	sigset_t old, no_sigio;
 	struct termios save, new;
 	int err;
 
 	if (isatty(fd)) {
+		sigemptyset(&no_sigio);
+		sigaddset(&no_sigio, SIGIO);
+		if (sigprocmask(SIG_BLOCK, &no_sigio, &old))
+			goto error;
+
 		CATCH_EINTR(err = tcgetattr(fd, &save));
 		if (err)
 			goto error;
@@ -97,8 +103,11 @@ int generic_console_write(int fd, const char *buf, int n)
 	 * Restore raw mode, in any case; we *must* ignore any error apart
 	 * EINTR, except for debug.
 	 */
-	if (isatty(fd))
+	if (isatty(fd)) {
 		CATCH_EINTR(tcsetattr(fd, TCSAFLUSH, &save));
+		sigprocmask(SIG_SETMASK, &old, NULL);
+	}
+
 	return err;
 error:
 	return -errno;
diff --git a/trunk/arch/um/os-Linux/time.c b/trunk/arch/um/os-Linux/time.c
index ef02d941c2ad..e49280599465 100644
--- a/trunk/arch/um/os-Linux/time.c
+++ b/trunk/arch/um/os-Linux/time.c
@@ -77,6 +77,7 @@ long long os_nsecs(void)
 #ifdef UML_CONFIG_NO_HZ
 static int after_sleep_interval(struct timespec *ts)
 {
+	return 0;
 }
 #else
 static inline long long timespec_to_us(const struct timespec *ts)
diff --git a/trunk/drivers/crypto/Kconfig b/trunk/drivers/crypto/Kconfig
index 5fd6688a444a..ddd3a259cea1 100644
--- a/trunk/drivers/crypto/Kconfig
+++ b/trunk/drivers/crypto/Kconfig
@@ -12,7 +12,7 @@ if CRYPTO_HW
 
 config CRYPTO_DEV_PADLOCK
 	tristate "Support for VIA PadLock ACE"
-	depends on X86_32
+	depends on X86_32 && !UML
 	select CRYPTO_ALGAPI
 	help
 	  Some VIA processors come with an integrated crypto engine
diff --git a/trunk/drivers/isdn/i4l/isdn_common.c b/trunk/drivers/isdn/i4l/isdn_common.c
index c6df2925ebd0..d6952959d72a 100644
--- a/trunk/drivers/isdn/i4l/isdn_common.c
+++ b/trunk/drivers/isdn/i4l/isdn_common.c
@@ -1515,6 +1515,7 @@ isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
 					if (copy_from_user(&iocts, argp,
 					     sizeof(isdn_ioctl_struct)))
 						return -EFAULT;
+					iocts.drvid[sizeof(iocts.drvid)-1] = 0;
 					if (strlen(iocts.drvid)) {
 						if ((p = strchr(iocts.drvid, ',')))
 							*p = 0;
@@ -1599,6 +1600,7 @@ isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
 					if (copy_from_user(&iocts, argp,
 					     sizeof(isdn_ioctl_struct)))
 						return -EFAULT;
+					iocts.drvid[sizeof(iocts.drvid)-1] = 0;
 					if (strlen(iocts.drvid)) {
 						drvidx = -1;
 						for (i = 0; i < ISDN_MAX_DRIVERS; i++)
@@ -1643,7 +1645,7 @@ isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
 					} else {
 						p = (char __user *) iocts.arg;
 						for (i = 0; i < 10; i++) {
-							sprintf(bname, "%s%s",
+							snprintf(bname, sizeof(bname), "%s%s",
 								strlen(dev->drv[drvidx]->msn2eaz[i]) ?
 								dev->drv[drvidx]->msn2eaz[i] : "_",
 								(i < 9) ? "," : "\0");
@@ -1673,6 +1675,7 @@ isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
 					char *p;
 					if (copy_from_user(&iocts, argp, sizeof(isdn_ioctl_struct)))
 						return -EFAULT;
+					iocts.drvid[sizeof(iocts.drvid)-1] = 0;
 					if (strlen(iocts.drvid)) {
 						if ((p = strchr(iocts.drvid, ',')))
 							*p = 0;
diff --git a/trunk/kernel/Kconfig.instrumentation b/trunk/kernel/Kconfig.instrumentation
index f5f2c769d95e..2ea1e347df45 100644
--- a/trunk/kernel/Kconfig.instrumentation
+++ b/trunk/kernel/Kconfig.instrumentation
@@ -21,7 +21,7 @@ config PROFILING
 config OPROFILE
 	tristate "OProfile system profiling (EXPERIMENTAL)"
 	depends on PROFILING
-	depends on ALPHA || ARM || BLACKFIN || X86_32 || IA64 || M32R || MIPS || PARISC || PPC || S390 || SUPERH || SPARC || X86_64
+	depends on (ALPHA || ARM || BLACKFIN || X86_32 || IA64 || M32R || MIPS || PARISC || PPC || S390 || SUPERH || SPARC || X86_64) && !UML
 	help
 	  OProfile is a profiling system capable of profiling the
 	  whole system, include the kernel, kernel modules, libraries,
@@ -32,7 +32,7 @@ config OPROFILE
 config KPROBES
 	bool "Kprobes"
 	depends on KALLSYMS && MODULES
-	depends on X86_32 || IA64 || PPC || S390 || SPARC64 || X86_64 || AVR32
+	depends on (X86_32 || IA64 || PPC || S390 || SPARC64 || X86_64 || AVR32) && !UML
 	help
 	  Kprobes allows you to trap at almost any kernel address and
 	  execute a callback function.  register_kprobe() establishes