Merge commit 'v3.7-rc1' into stable/for-linus-3.7

* commit 'v3.7-rc1': (10892 commits)
  Linux 3.7-rc1
  x86, boot: Explicitly include autoconf.h for hostprogs
  perf: Fix UAPI fallout
  ARM: config: make sure that platforms are ordered by option string
  ARM: config: sort select statements alphanumerically
  UAPI: (Scripted) Disintegrate include/linux/byteorder
  UAPI: (Scripted) Disintegrate include/linux
  UAPI: Unexport linux/blk_types.h
  UAPI: Unexport part of linux/ppp-comp.h
  perf: Handle new rbtree implementation
  procfs: don't need a PATH_MAX allocation to hold a string representation of an int
  vfs: embed struct filename inside of names_cache allocation if possible
  audit: make audit_inode take struct filename
  vfs: make path_openat take a struct filename pointer
  vfs: turn do_path_lookup into wrapper around struct filename variant
  audit: allow audit code to satisfy getname requests from its names_list
  vfs: define struct filename and have getname() return it
  btrfs: Fix compilation with user namespace support enabled
  userns: Fix posix_acl_file_xattr_userns gid conversion
  userns: Properly print bluetooth socket uids
  ...

130 files changed, 456 insertions, 604 deletions

diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index cb837c22392..648121b037d 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -7,6 +7,7 @@ config UML
 	bool
 	default y
 	select HAVE_GENERIC_HARDIRQS
+	select HAVE_UID16
 	select GENERIC_IRQ_SHOW
 	select GENERIC_CPU_DEVICES
 	select GENERIC_IO
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 097091059aa..133f7de2a13 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -66,7 +66,9 @@ USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\
 include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
 
 KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/include \
-		   -I$(HOST_DIR)/include/generated
+		   -I$(srctree)/$(HOST_DIR)/include/uapi \
+		   -I$(HOST_DIR)/include/generated \
+		   -I$(HOST_DIR)/include/generated/uapi
 
 # -Derrno=kernel_errno - This turns all kernel references to errno into
 # kernel_errno to separate them from the libc errno.  This allows -fno-common
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 87eebfe03c6..c3bba73e4be 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -7,8 +7,8 @@
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
 #include "chan.h"
-#include "os.h"
-#include "irq_kern.h"
+#include <os.h>
+#include <irq_kern.h>
 
 #ifdef CONFIG_NOCONFIG_CHAN
 static void *not_configged_init(char *str, int device,
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index f180813ce2c..9be670ad23b 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -11,8 +11,8 @@
 #include <termios.h>
 #include <sys/ioctl.h>
 #include "chan_user.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <os.h>
+#include <um_malloc.h>
 
 void generic_close(int fd, void *unused)
 {
diff --git a/arch/um/drivers/chan_user.h b/arch/um/drivers/chan_user.h
index 6257b7a6e1a..dc693298eb8 100644
--- a/arch/um/drivers/chan_user.h
+++ b/arch/um/drivers/chan_user.h
@@ -6,7 +6,7 @@
 #ifndef __CHAN_USER_H__
 #define __CHAN_USER_H__
 
-#include "init.h"
+#include <init.h>
 
 struct chan_opts {
 	void (*const announce)(char *dev_name, int dev);
diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h
index 7f2ed0b8824..67cbee63e70 100644
--- a/arch/um/drivers/cow_sys.h
+++ b/arch/um/drivers/cow_sys.h
@@ -1,9 +1,9 @@
 #ifndef __COW_SYS_H__
 #define __COW_SYS_H__
 
-#include "kern_util.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <kern_util.h>
+#include <os.h>
+#include <um_malloc.h>
 
 static inline void *cow_malloc(int size)
 {
diff --git a/arch/um/drivers/daemon.h b/arch/um/drivers/daemon.h
index 6e0e891f8a0..c2dd1951559 100644
--- a/arch/um/drivers/daemon.h
+++ b/arch/um/drivers/daemon.h
@@ -6,7 +6,7 @@
 #ifndef __DAEMON_H__
 #define __DAEMON_H__
 
-#include "net_user.h"
+#include <net_user.h>
 
 #define SWITCH_VERSION 3
 
diff --git a/arch/um/drivers/daemon_kern.c b/arch/um/drivers/daemon_kern.c
index b4a1522f215..7568cc2f3cd 100644
--- a/arch/um/drivers/daemon_kern.c
+++ b/arch/um/drivers/daemon_kern.c
@@ -6,9 +6,9 @@
  * Licensed under the GPL.
  */
 
-#include "linux/init.h"
+#include <linux/init.h>
 #include <linux/netdevice.h>
-#include "net_kern.h"
+#include <net_kern.h>
 #include "daemon.h"
 
 struct daemon_init {
diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c
index a4fd7bc14af..8813c10d017 100644
--- a/arch/um/drivers/daemon_user.c
+++ b/arch/um/drivers/daemon_user.c
@@ -14,9 +14,9 @@
 #include <sys/time.h>
 #include <sys/un.h>
 #include "daemon.h"
-#include "net_user.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <net_user.h>
+#include <os.h>
+#include <um_malloc.h>
 
 enum request_type { REQ_NEW_CONTROL };
 
diff --git a/arch/um/drivers/fd.c b/arch/um/drivers/fd.c
index 5b81d257441..a13a427b996 100644
--- a/arch/um/drivers/fd.c
+++ b/arch/um/drivers/fd.c
@@ -9,8 +9,8 @@
 #include <errno.h>
 #include <termios.h>
 #include "chan_user.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <os.h>
+#include <um_malloc.h>
 
 struct fd_chan {
 	int fd;
diff --git a/arch/um/drivers/harddog_user.c b/arch/um/drivers/harddog_user.c
index 0345d6206d4..f99b32a4dbf 100644
--- a/arch/um/drivers/harddog_user.c
+++ b/arch/um/drivers/harddog_user.c
@@ -6,7 +6,7 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <errno.h>
-#include "os.h"
+#include <os.h>
 
 struct dog_data {
 	int stdin;
diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index f9f6a4e2059..9b90fdc4b15 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -3,15 +3,15 @@
  * Licensed under the GPL
  */
 
-#include "linux/fs.h"
-#include "linux/module.h"
-#include "linux/slab.h"
-#include "linux/sound.h"
-#include "linux/soundcard.h"
-#include "linux/mutex.h"
-#include "asm/uaccess.h"
-#include "init.h"
-#include "os.h"
+#include <linux/fs.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/sound.h>
+#include <linux/soundcard.h>
+#include <linux/mutex.h>
+#include <asm/uaccess.h>
+#include <init.h>
+#include <os.h>
 
 struct hostaudio_state {
 	int fd;
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index bbaf2c59830..fd9a15b318a 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -3,15 +3,15 @@
  * Licensed under the GPL
  */
 
-#include "linux/irqreturn.h"
-#include "linux/kd.h"
-#include "linux/sched.h"
-#include "linux/slab.h"
+#include <linux/irqreturn.h>
+#include <linux/kd.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
 #include "chan.h"
-#include "irq_kern.h"
-#include "irq_user.h"
-#include "kern_util.h"
-#include "os.h"
+#include <irq_kern.h>
+#include <irq_user.h>
+#include <kern_util.h>
+#include <os.h>
 
 #define LINE_BUFSIZE 4096
 
@@ -409,7 +409,8 @@ int setup_one_line(struct line *lines, int n, char *init,
 		line->valid = 1;
 		err = parse_chan_pair(new, line, n, opts, error_out);
 		if (!err) {
-			struct device *d = tty_register_device(driver, n, NULL);
+			struct device *d = tty_port_register_device(&line->port,
+					driver, n, NULL);
 			if (IS_ERR(d)) {
 				*error_out = "Failed to register device";
 				err = PTR_ERR(d);
diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h
index bae95611e7a..138a14526d9 100644
--- a/arch/um/drivers/line.h
+++ b/arch/um/drivers/line.h
@@ -6,12 +6,12 @@
 #ifndef __LINE_H__
 #define __LINE_H__
 
-#include "linux/list.h"
-#include "linux/workqueue.h"
-#include "linux/tty.h"
-#include "linux/interrupt.h"
-#include "linux/spinlock.h"
-#include "linux/mutex.h"
+#include <linux/list.h>
+#include <linux/workqueue.h>
+#include <linux/tty.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/mutex.h>
 #include "chan_user.h"
 #include "mconsole_kern.h"
 
diff --git a/arch/um/drivers/mconsole.h b/arch/um/drivers/mconsole.h
index c139ae1d682..8b22535c62c 100644
--- a/arch/um/drivers/mconsole.h
+++ b/arch/um/drivers/mconsole.h
@@ -12,7 +12,7 @@
 #define u32 uint32_t
 #endif
 
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
 
 #define MCONSOLE_MAGIC (0xcafebabe)
 #define MCONSOLE_MAX_DATA (512)
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 664a60e8dfb..79ccfe6c707 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -21,16 +21,19 @@
 #include <linux/un.h>
 #include <linux/workqueue.h>
 #include <linux/mutex.h>
+#include <linux/fs.h>
+#include <linux/mount.h>
+#include <linux/file.h>
 #include <asm/uaccess.h>
 #include <asm/switch_to.h>
 
-#include "init.h"
-#include "irq_kern.h"
-#include "irq_user.h"
-#include "kern_util.h"
+#include <init.h>
+#include <irq_kern.h>
+#include <irq_user.h>
+#include <kern_util.h>
 #include "mconsole.h"
 #include "mconsole_kern.h"
-#include "os.h"
+#include <os.h>
 
 static int do_unlink_socket(struct notifier_block *notifier,
 			    unsigned long what, void *data)
@@ -118,90 +121,38 @@ void mconsole_log(struct mc_request *req)
 	mconsole_reply(req, "", 0, 0);
 }
 
-/* This is a more convoluted version of mconsole_proc, which has some stability
- * problems; however, we need it fixed, because it is expected that UML users
- * mount HPPFS instead of procfs on /proc. And we want mconsole_proc to still
- * show the real procfs content, not the ones from hppfs.*/
-#if 0
 void mconsole_proc(struct mc_request *req)
 {
 	struct vfsmount *mnt = current->nsproxy->pid_ns->proc_mnt;
-	struct file *file;
-	int n;
-	char *ptr = req->request.data, *buf;
-	mm_segment_t old_fs = get_fs();
-
-	ptr += strlen("proc");
-	ptr = skip_spaces(ptr);
-
-	file = file_open_root(mnt->mnt_root, mnt, ptr, O_RDONLY);
-	if (IS_ERR(file)) {
-		mconsole_reply(req, "Failed to open file", 1, 0);
-		goto out;
-	}
-
-	buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
-	if (buf == NULL) {
-		mconsole_reply(req, "Failed to allocate buffer", 1, 0);
-		goto out_fput;
-	}
-
-	if (file->f_op->read) {
-		do {
-			loff_t pos;
-			set_fs(KERNEL_DS);
-			n = vfs_read(file, buf, PAGE_SIZE - 1, &pos);
-			file_pos_write(file, pos);
-			set_fs(old_fs);
-			if (n >= 0) {
-				buf[n] = '\0';
-				mconsole_reply(req, buf, 0, (n > 0));
-			}
-			else {
-				mconsole_reply(req, "Read of file failed",
-					       1, 0);
-				goto out_free;
-			}
-		} while (n > 0);
-	}
-	else mconsole_reply(req, "", 0, 0);
-
- out_free:
-	kfree(buf);
- out_fput:
-	fput(file);
- out: ;
-}
-#endif
-
-void mconsole_proc(struct mc_request *req)
-{
-	char path[64];
 	char *buf;
 	int len;
-	int fd;
+	struct file *file;
 	int first_chunk = 1;
 	char *ptr = req->request.data;
 
 	ptr += strlen("proc");
 	ptr = skip_spaces(ptr);
-	snprintf(path, sizeof(path), "/proc/%s", ptr);
 
-	fd = sys_open(path, 0, 0);
-	if (fd < 0) {
+	file = file_open_root(mnt->mnt_root, mnt, ptr, O_RDONLY);
+	if (IS_ERR(file)) {
 		mconsole_reply(req, "Failed to open file", 1, 0);
-		printk(KERN_ERR "open %s: %d\n",path,fd);
+		printk(KERN_ERR "open /proc/%s: %ld\n", ptr, PTR_ERR(file));
 		goto out;
 	}
 
 	buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
 	if (buf == NULL) {
 		mconsole_reply(req, "Failed to allocate buffer", 1, 0);
-		goto out_close;
+		goto out_fput;
 	}
 
-	for (;;) {
-		len = sys_read(fd, buf, PAGE_SIZE-1);
+	do {
+		loff_t pos;
+		mm_segment_t old_fs = get_fs();
+		set_fs(KERNEL_DS);
+		len = vfs_read(file, buf, PAGE_SIZE - 1, &pos);
+		set_fs(old_fs);
+		file->f_pos = pos;
 		if (len < 0) {
 			mconsole_reply(req, "Read of file failed", 1, 0);
 			goto out_free;
@@ -211,22 +162,14 @@ void mconsole_proc(struct mc_request *req)
 			mconsole_reply(req, "\n", 0, 1);
 			first_chunk = 0;
 		}
-		if (len == PAGE_SIZE-1) {
-			buf[len] = '\0';
-			mconsole_reply(req, buf, 0, 1);
-		} else {
-			buf[len] = '\0';
-			mconsole_reply(req, buf, 0, 0);
-			break;
-		}
-	}
-
+		buf[len] = '\0';
+		mconsole_reply(req, buf, 0, (len > 0));
+	} while (len > 0);
  out_free:
 	kfree(buf);
- out_close:
-	sys_close(fd);
- out:
-	/* nothing */;
+ out_fput:
+	fput(file);
+ out: ;
 }
 
 #define UML_MCONSOLE_HELPTEXT \
@@ -705,6 +648,7 @@ static void stack_proc(void *arg)
 	struct task_struct *from = current, *to = arg;
 
 	to->thread.saved_task = from;
+	rcu_switch(from, to);
 	switch_to(from, to, from);
 }
 
diff --git a/arch/um/drivers/mconsole_kern.h b/arch/um/drivers/mconsole_kern.h
index d2fe07e7895..7a0c6a1ad1d 100644
--- a/arch/um/drivers/mconsole_kern.h
+++ b/arch/um/drivers/mconsole_kern.h
@@ -6,7 +6,7 @@
 #ifndef __MCONSOLE_KERN_H__
 #define __MCONSOLE_KERN_H__
 
-#include "linux/list.h"
+#include <linux/list.h>
 #include "mconsole.h"
 
 struct mconsole_entry {
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index c0ef803c7c7..62145c27616 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -18,7 +18,7 @@
 #include <linux/mm.h>
 
 #include <asm/uaccess.h>
-#include "mem_user.h"
+#include <mem_user.h>
 
 /* These are set in mmapper_init, which is called at boot time */
 static unsigned long mmapper_size;
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 458d324f062..b1314ebf1f7 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -18,12 +18,12 @@
 #include <linux/skbuff.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
-#include "init.h"
-#include "irq_kern.h"
-#include "irq_user.h"
+#include <init.h>
+#include <irq_kern.h>
+#include <irq_user.h>
 #include "mconsole_kern.h"
-#include "net_kern.h"
-#include "net_user.h"
+#include <net_kern.h>
+#include <net_user.h>
 
 #define DRIVER_NAME "uml-netdev"
 
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index 05090c37fa8..cd14157b556 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -11,9 +11,9 @@
 #include <string.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
-#include "net_user.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <net_user.h>
+#include <os.h>
+#include <um_malloc.h>
 
 int tap_open_common(void *dev, char *gate_addr)
 {
diff --git a/arch/um/drivers/null.c b/arch/um/drivers/null.c
index 2b45a1446c8..10495747ce8 100644
--- a/arch/um/drivers/null.c
+++ b/arch/um/drivers/null.c
@@ -7,7 +7,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include "chan_user.h"
-#include "os.h"
+#include <os.h>
 
 /* This address is used only as a unique identifier */
 static int null_chan;
diff --git a/arch/um/drivers/pcap_kern.c b/arch/um/drivers/pcap_kern.c
index 2860525f8ff..be0fb57bd1d 100644
--- a/arch/um/drivers/pcap_kern.c
+++ b/arch/um/drivers/pcap_kern.c
@@ -3,9 +3,9 @@
  * Licensed under the GPL.
  */
 
-#include "linux/init.h"
+#include <linux/init.h>
 #include <linux/netdevice.h>
-#include "net_kern.h"
+#include <net_kern.h>
 #include "pcap_user.h"
 
 struct pcap_init {
diff --git a/arch/um/drivers/pcap_user.c b/arch/um/drivers/pcap_user.c
index 702a75b190e..c07b9c752c8 100644
--- a/arch/um/drivers/pcap_user.c
+++ b/arch/um/drivers/pcap_user.c
@@ -7,9 +7,9 @@
 #include <pcap.h>
 #include <string.h>
 #include <asm/types.h>
-#include "net_user.h"
+#include <net_user.h>
 #include "pcap_user.h"
-#include "um_malloc.h"
+#include <um_malloc.h>
 
 #define PCAP_FD(p) (*(int *)(p))
 
diff --git a/arch/um/drivers/pcap_user.h b/arch/um/drivers/pcap_user.h
index d8ba6153f91..1ca7c764cc6 100644
--- a/arch/um/drivers/pcap_user.h
+++ b/arch/um/drivers/pcap_user.h
@@ -3,7 +3,7 @@
  * Licensed under the GPL
  */
 
-#include "net_user.h"
+#include <net_user.h>
 
 struct pcap_data {
 	char *host_if;
diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c
index 1d83d50236e..40ca5cc275e 100644
--- a/arch/um/drivers/port_kern.c
+++ b/arch/um/drivers/port_kern.c
@@ -3,16 +3,16 @@
  * Licensed under the GPL
  */
 
-#include "linux/completion.h"
-#include "linux/interrupt.h"
-#include "linux/list.h"
-#include "linux/mutex.h"
-#include "linux/slab.h"
-#include "linux/workqueue.h"
-#include "asm/atomic.h"
-#include "init.h"
-#include "irq_kern.h"
-#include "os.h"
+#include <linux/completion.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <asm/atomic.h>
+#include <init.h>
+#include <irq_kern.h>
+#include <os.h>
 #include "port.h"
 
 struct port_list {
diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c
index 7b010b76ddf..9a8e1b64c22 100644
--- a/arch/um/drivers/port_user.c
+++ b/arch/um/drivers/port_user.c
@@ -10,9 +10,9 @@
 #include <unistd.h>
 #include <netinet/in.h>
 #include "chan_user.h"
-#include "os.h"
+#include <os.h>
 #include "port.h"
-#include "um_malloc.h"
+#include <um_malloc.h>
 
 struct port_chan {
 	int raw;
diff --git a/arch/um/drivers/pty.c b/arch/um/drivers/pty.c
index cff2b75d31f..f1fcc2cedb5 100644
--- a/arch/um/drivers/pty.c
+++ b/arch/um/drivers/pty.c
@@ -12,8 +12,8 @@
 #include <termios.h>
 #include <sys/stat.h>
 #include "chan_user.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <os.h>
+#include <um_malloc.h>
 
 struct pty_chan {
 	void (*announce)(char *dev_name, int dev);
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index e32c6aa6396..9e3a7220582 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -13,8 +13,8 @@
 #include <linux/miscdevice.h>
 #include <linux/delay.h>
 #include <asm/uaccess.h>
-#include "irq_kern.h"
-#include "os.h"
+#include <irq_kern.h>
+#include <os.h>
 
 /*
  * core module and version information
diff --git a/arch/um/drivers/slip_common.c b/arch/um/drivers/slip_common.c
index e89cfc68fc3..f597fa7c91d 100644
--- a/arch/um/drivers/slip_common.c
+++ b/arch/um/drivers/slip_common.c
@@ -1,6 +1,6 @@
 #include <string.h>
 #include "slip_common.h"
-#include "net_user.h"
+#include <net_user.h>
 
 int slip_proto_read(int fd, void *buf, int len, struct slip_proto *slip)
 {
diff --git a/arch/um/drivers/slip_kern.c b/arch/um/drivers/slip_kern.c
index dd2aadc14af..ed5249fc057 100644
--- a/arch/um/drivers/slip_kern.c
+++ b/arch/um/drivers/slip_kern.c
@@ -6,7 +6,7 @@
 #include <linux/if_arp.h>
 #include <linux/init.h>
 #include <linux/netdevice.h>
-#include "net_kern.h"
+#include <net_kern.h>
 #include "slip.h"
 
 struct slip_init {
diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c
index 932b4d69bec..55c290d925f 100644
--- a/arch/um/drivers/slip_user.c
+++ b/arch/um/drivers/slip_user.c
@@ -11,10 +11,10 @@
 #include <string.h>
 #include <sys/termios.h>
 #include <sys/wait.h>
-#include "net_user.h"
-#include "os.h"
+#include <net_user.h>
+#include <os.h>
 #include "slip.h"
-#include "um_malloc.h"
+#include <um_malloc.h>
 
 static int slip_user_init(void *data, void *dev)
 {
diff --git a/arch/um/drivers/slirp_kern.c b/arch/um/drivers/slirp_kern.c
index e376284f0fb..4ef11ca7cac 100644
--- a/arch/um/drivers/slirp_kern.c
+++ b/arch/um/drivers/slirp_kern.c
@@ -4,11 +4,11 @@
  */
 
 #include <linux/if_arp.h>
-#include "linux/init.h"
+#include <linux/init.h>
 #include <linux/netdevice.h>
 #include <linux/string.h>
-#include "net_kern.h"
-#include "net_user.h"
+#include <net_kern.h>
+#include <net_user.h>
 #include "slirp.h"
 
 struct slirp_init {
diff --git a/arch/um/drivers/slirp_user.c b/arch/um/drivers/slirp_user.c
index db4adb639ff..c999d187abb 100644
--- a/arch/um/drivers/slirp_user.c
+++ b/arch/um/drivers/slirp_user.c
@@ -7,8 +7,8 @@
 #include <errno.h>
 #include <string.h>
 #include <sys/wait.h>
-#include "net_user.h"
-#include "os.h"
+#include <net_user.h>
+#include <os.h>
 #include "slirp.h"
 
 static int slirp_user_init(void *data, void *dev)
diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c
index 7e86f007012..16fdd0a0f9d 100644
--- a/arch/um/drivers/ssl.c
+++ b/arch/um/drivers/ssl.c
@@ -3,19 +3,19 @@
  * Licensed under the GPL
  */
 
-#include "linux/fs.h"
-#include "linux/tty.h"
-#include "linux/tty_driver.h"
-#include "linux/major.h"
-#include "linux/mm.h"
-#include "linux/init.h"
-#include "linux/console.h"
-#include "asm/termbits.h"
-#include "asm/irq.h"
+#include <linux/fs.h>
+#include <linux/tty.h>
+#include <linux/tty_driver.h>
+#include <linux/major.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <asm/termbits.h>
+#include <asm/irq.h>
 #include "ssl.h"
 #include "chan.h"
-#include "init.h"
-#include "irq_user.h"
+#include <init.h>
+#include <irq_user.h>
 #include "mconsole_kern.h"
 
 static const int ssl_version = 1;
diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c
index 929b99a261f..827777af3f6 100644
--- a/arch/um/drivers/stdio_console.c
+++ b/arch/um/drivers/stdio_console.c
@@ -3,27 +3,27 @@
  * Licensed under the GPL
  */
 
-#include "linux/posix_types.h"
-#include "linux/tty.h"
-#include "linux/tty_flip.h"
-#include "linux/types.h"
-#include "linux/major.h"
-#include "linux/kdev_t.h"
-#include "linux/console.h"
-#include "linux/string.h"
-#include "linux/sched.h"
-#include "linux/list.h"
-#include "linux/init.h"
-#include "linux/interrupt.h"
-#include "linux/slab.h"
-#include "linux/hardirq.h"
-#include "asm/current.h"
-#include "asm/irq.h"
+#include <linux/posix_types.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/types.h>
+#include <linux/major.h>
+#include <linux/kdev_t.h>
+#include <linux/console.h>
+#include <linux/string.h>
+#include <linux/sched.h>
+#include <linux/list.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/hardirq.h>
+#include <asm/current.h>
+#include <asm/irq.h>
 #include "stdio_console.h"
 #include "chan.h"
-#include "irq_user.h"
+#include <irq_user.h>
 #include "mconsole_kern.h"
-#include "init.h"
+#include <init.h>
 
 #define MAX_TTYS (16)
 
diff --git a/arch/um/drivers/tty.c b/arch/um/drivers/tty.c
index a97391f9ec5..eaa201bca5e 100644
--- a/arch/um/drivers/tty.c
+++ b/arch/um/drivers/tty.c
@@ -7,8 +7,8 @@
 #include <fcntl.h>
 #include <termios.h>
 #include "chan_user.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <os.h>
+#include <um_malloc.h>
 
 struct tty_chan {
 	char *dev;
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 0643e5bc9f4..41bf72073cc 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -33,12 +33,12 @@
 #include <linux/platform_device.h>
 #include <linux/scatterlist.h>
 #include <asm/tlbflush.h>
-#include "kern_util.h"
+#include <kern_util.h>
 #include "mconsole_kern.h"
-#include "init.h"
-#include "irq_kern.h"
+#include <init.h>
+#include <irq_kern.h>
 #include "ubd.h"
-#include "os.h"
+#include <os.h>
 #include "cow.h"
 
 enum ubd_req { UBD_READ, UBD_WRITE };
diff --git a/arch/um/drivers/ubd_user.c b/arch/um/drivers/ubd_user.c
index ffe02c431de..a703e45d8aa 100644
--- a/arch/um/drivers/ubd_user.c
+++ b/arch/um/drivers/ubd_user.c
@@ -19,7 +19,7 @@
 #include <byteswap.h>
 
 #include "ubd.h"
-#include "os.h"
+#include <os.h>
 
 void ignore_sigwinch_sig(void)
 {
diff --git a/arch/um/drivers/umcast.h b/arch/um/drivers/umcast.h
index 6f8c0fe890f..c190c644091 100644
--- a/arch/um/drivers/umcast.h
+++ b/arch/um/drivers/umcast.h
@@ -6,7 +6,7 @@
 #ifndef __DRIVERS_UMCAST_H
 #define __DRIVERS_UMCAST_H
 
-#include "net_user.h"
+#include <net_user.h>
 
 struct umcast_data {
 	char *addr;
diff --git a/arch/um/drivers/umcast_kern.c b/arch/um/drivers/umcast_kern.c
index 42dab11d2ec..f5ba6e37791 100644
--- a/arch/um/drivers/umcast_kern.c
+++ b/arch/um/drivers/umcast_kern.c
@@ -11,10 +11,10 @@
  * Licensed under the GPL.
  */
 
-#include "linux/init.h"
+#include <linux/init.h>
 #include <linux/netdevice.h>
 #include "umcast.h"
-#include "net_kern.h"
+#include <net_kern.h>
 
 struct umcast_init {
 	char *addr;
diff --git a/arch/um/drivers/umcast_user.c b/arch/um/drivers/umcast_user.c
index 010fa2d849e..6074184bb51 100644
--- a/arch/um/drivers/umcast_user.c
+++ b/arch/um/drivers/umcast_user.c
@@ -16,8 +16,8 @@
 #include <errno.h>
 #include <netinet/in.h>
 #include "umcast.h"
-#include "net_user.h"
-#include "um_malloc.h"
+#include <net_user.h>
+#include <um_malloc.h>
 
 static struct sockaddr_in *new_addr(char *addr, unsigned short port)
 {
diff --git a/arch/um/drivers/vde_kern.c b/arch/um/drivers/vde_kern.c
index 1b852bffdeb..6a365fadc7c 100644
--- a/arch/um/drivers/vde_kern.c
+++ b/arch/um/drivers/vde_kern.c
@@ -7,10 +7,10 @@
  *
  */
 
-#include "linux/init.h"
+#include <linux/init.h>
 #include <linux/netdevice.h>
-#include "net_kern.h"
-#include "net_user.h"
+#include <net_kern.h>
+#include <net_user.h>
 #include "vde.h"
 
 static void vde_init(struct net_device *dev, void *data)
diff --git a/arch/um/drivers/vde_user.c b/arch/um/drivers/vde_user.c
index b8c286748d3..64cb630d115 100644
--- a/arch/um/drivers/vde_user.c
+++ b/arch/um/drivers/vde_user.c
@@ -6,8 +6,8 @@
 #include <stddef.h>
 #include <errno.h>
 #include <libvdeplug.h>
-#include "net_user.h"
-#include "um_malloc.h"
+#include <net_user.h>
+#include <um_malloc.h>
 #include "vde.h"
 
 static int vde_user_init(void *data, void *dev)
diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c
index 969110e5648..20e30be4479 100644
--- a/arch/um/drivers/xterm.c
+++ b/arch/um/drivers/xterm.c
@@ -11,8 +11,8 @@
 #include <string.h>
 #include <termios.h>
 #include "chan_user.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <os.h>
+#include <um_malloc.h>
 #include "xterm.h"
 
 struct xterm_chan {
diff --git a/arch/um/drivers/xterm_kern.c b/arch/um/drivers/xterm_kern.c
index e3031e69445..e8f9957bfbf 100644
--- a/arch/um/drivers/xterm_kern.c
+++ b/arch/um/drivers/xterm_kern.c
@@ -7,8 +7,8 @@
 #include <linux/completion.h>
 #include <linux/irqreturn.h>
 #include <asm/irq.h>
-#include "irq_kern.h"
-#include "os.h"
+#include <irq_kern.h>
+#include <os.h>
 
 struct xterm_wait {
 	struct completion ready;
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index fff24352255..0f6e7b32826 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -1,4 +1,4 @@
 generic-y += bug.h cputime.h device.h emergency-restart.h futex.h hardirq.h
 generic-y += hw_irq.h irq_regs.h kdebug.h percpu.h sections.h topology.h xor.h
 generic-y += ftrace.h pci.h io.h param.h delay.h mutex.h current.h exec.h
-generic-y += switch_to.h
+generic-y += switch_to.h clkdev.h
diff --git a/arch/um/include/asm/dma.h b/arch/um/include/asm/dma.h
index 9f6139a8a52..f88c5860520 100644
--- a/arch/um/include/asm/dma.h
+++ b/arch/um/include/asm/dma.h
@@ -1,7 +1,7 @@
 #ifndef __UM_DMA_H
 #define __UM_DMA_H
 
-#include "asm/io.h"
+#include <asm/io.h>
 
 extern unsigned long uml_physmem;
 
diff --git a/arch/um/include/asm/mmu.h b/arch/um/include/asm/mmu.h
index 53e8b498ebb..da705448590 100644
--- a/arch/um/include/asm/mmu.h
+++ b/arch/um/include/asm/mmu.h
@@ -6,7 +6,7 @@
 #ifndef __ARCH_UM_MMU_H
 #define __ARCH_UM_MMU_H
 
-#include "mm_id.h"
+#include <mm_id.h>
 #include <asm/mm_context.h>
 
 typedef struct mm_context {
diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h
index 7cfc3cedce8..5ff53d9185f 100644
--- a/arch/um/include/asm/page.h
+++ b/arch/um/include/asm/page.h
@@ -99,7 +99,7 @@ extern unsigned long uml_physmem;
 
 #define __va_space (8*1024*1024)
 
-#include "mem.h"
+#include <mem.h>
 
 /* Cast to unsigned long before casting to void * to avoid a warning from
  * mmap_kmem about cutting a long long down to a void *.  Not sure that
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index 5888f1b8347..ae02909a187 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -23,9 +23,9 @@
 				   pte_present gives true */
 
 #ifdef CONFIG_3_LEVEL_PGTABLES
-#include "asm/pgtable-3level.h"
+#include <asm/pgtable-3level.h>
 #else
-#include "asm/pgtable-2level.h"
+#include <asm/pgtable-2level.h>
 #endif
 
 extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h
index 69f1c57a8d0..c03cd5a0236 100644
--- a/arch/um/include/asm/processor-generic.h
+++ b/arch/um/include/asm/processor-generic.h
@@ -10,9 +10,9 @@ struct pt_regs;
 
 struct task_struct;
 
-#include "asm/ptrace.h"
-#include "registers.h"
-#include "sysdep/archsetjmp.h"
+#include <asm/ptrace.h>
+#include <registers.h>
+#include <sysdep/archsetjmp.h>
 
 #include <linux/prefetch.h>
 
@@ -20,21 +20,12 @@ struct mm_struct;
 
 struct thread_struct {
 	struct task_struct *saved_task;
-	/*
-	 * This flag is set to 1 before calling do_fork (and analyzed in
-	 * copy_thread) to mark that we are begin called from userspace (fork /
-	 * vfork / clone), and reset to 0 after. It is left to 0 when called
-	 * from kernelspace (i.e. kernel_thread() or fork_idle(),
-	 * as of 2.6.11).
-	 */
-	int forking;
 	struct pt_regs regs;
 	int singlestep_syscall;
 	void *fault_addr;
 	jmp_buf *fault_catcher;
 	struct task_struct *prev_sched;
 	unsigned long temp_stack;
-	jmp_buf *exec_buf;
 	struct arch_thread arch;
 	jmp_buf switch_buf;
 	int mm_count;
@@ -58,12 +49,10 @@ struct thread_struct {
 
 #define INIT_THREAD \
 { \
-	.forking		= 0, \
 	.regs		   	= EMPTY_REGS,	\
 	.fault_addr		= NULL, \
 	.prev_sched		= NULL, \
 	.temp_stack		= 0, \
-	.exec_buf		= NULL, \
 	.arch			= INIT_ARCH_THREAD, \
 	.request		= { 0 } \
 }
@@ -72,8 +61,6 @@ static inline void release_thread(struct task_struct *task)
 {
 }
 
-extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
 extern unsigned long thread_saved_pc(struct task_struct *t);
 
 static inline void mm_copy_segments(struct mm_struct *from_mm,
diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h
index 442f1d025dc..cb9b3c47ca8 100644
--- a/arch/um/include/asm/ptrace-generic.h
+++ b/arch/um/include/asm/ptrace-generic.h
@@ -9,7 +9,7 @@
 #ifndef __ASSEMBLY__
 
 #include <asm/ptrace-abi.h>
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
 
 struct pt_regs {
 	struct uml_pt_regs regs;
diff --git a/arch/um/include/asm/smp.h b/arch/um/include/asm/smp.h
index 4a4b09d4f36..e4507938d8c 100644
--- a/arch/um/include/asm/smp.h
+++ b/arch/um/include/asm/smp.h
@@ -3,9 +3,9 @@
 
 #ifdef CONFIG_SMP
 
-#include "linux/bitops.h"
-#include "asm/current.h"
-#include "linux/cpumask.h"
+#include <linux/bitops.h>
+#include <asm/current.h>
+#include <linux/cpumask.h>
 
 #define raw_smp_processor_id() (current_thread->cpu)
 
diff --git a/arch/um/include/shared/sysrq.h b/arch/um/include/asm/sysrq.h
index c8d332b56b9..c8d332b56b9 100644
--- a/arch/um/include/shared/sysrq.h
+++ b/arch/um/include/asm/sysrq.h
diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h
index c04e5ab68f5..2c8eeb2df8b 100644
--- a/arch/um/include/asm/thread_info.h
+++ b/arch/um/include/asm/thread_info.h
@@ -65,8 +65,6 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_SYSCALL_TRACE	0	/* syscall trace active */
 #define TIF_SIGPENDING		1	/* signal pending */
 #define TIF_NEED_RESCHED	2	/* rescheduling necessary */
-#define TIF_POLLING_NRFLAG      3       /* true if poll_idle() is polling
-					 * TIF_NEED_RESCHED */
 #define TIF_RESTART_BLOCK	4
 #define TIF_MEMDIE		5	/* is terminating due to OOM killer */
 #define TIF_SYSCALL_AUDIT	6
@@ -76,7 +74,6 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)
-#define _TIF_POLLING_NRFLAG     (1 << TIF_POLLING_NRFLAG)
 #define _TIF_MEMDIE		(1 << TIF_MEMDIE)
 #define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
 
diff --git a/arch/um/include/shared/arch.h b/arch/um/include/shared/arch.h
index 2de92a08a76..4f46abda060 100644
--- a/arch/um/include/shared/arch.h
+++ b/arch/um/include/shared/arch.h
@@ -6,7 +6,7 @@
 #ifndef __ARCH_H__
 #define __ARCH_H__
 
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
 
 extern void arch_check_bugs(void);
 extern int arch_fixup(unsigned long address, struct uml_pt_regs *regs);
diff --git a/arch/um/include/shared/as-layout.h b/arch/um/include/shared/as-layout.h
index 86daa546181..694c792bab4 100644
--- a/arch/um/include/shared/as-layout.h
+++ b/arch/um/include/shared/as-layout.h
@@ -35,7 +35,7 @@
 
 #ifndef __ASSEMBLY__
 
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
 
 struct cpu_task {
 	int pid;
diff --git a/arch/um/include/shared/common-offsets.h b/arch/um/include/shared/common-offsets.h
index 40db8f71dea..2df313b6a58 100644
--- a/arch/um/include/shared/common-offsets.h
+++ b/arch/um/include/shared/common-offsets.h
@@ -7,16 +7,6 @@ DEFINE(UM_KERN_PAGE_MASK, PAGE_MASK);
 DEFINE(UM_KERN_PAGE_SHIFT, PAGE_SHIFT);
 DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC);
 
-DEFINE_STR(UM_KERN_EMERG, KERN_EMERG);
-DEFINE_STR(UM_KERN_ALERT, KERN_ALERT);
-DEFINE_STR(UM_KERN_CRIT, KERN_CRIT);
-DEFINE_STR(UM_KERN_ERR, KERN_ERR);
-DEFINE_STR(UM_KERN_WARNING, KERN_WARNING);
-DEFINE_STR(UM_KERN_NOTICE, KERN_NOTICE);
-DEFINE_STR(UM_KERN_INFO, KERN_INFO);
-DEFINE_STR(UM_KERN_DEBUG, KERN_DEBUG);
-DEFINE_STR(UM_KERN_CONT, KERN_CONT);
-
 DEFINE(UM_ELF_CLASS, ELF_CLASS);
 DEFINE(UM_ELFCLASS32, ELFCLASS32);
 DEFINE(UM_ELFCLASS64, ELFCLASS64);
diff --git a/arch/um/include/shared/irq_kern.h b/arch/um/include/shared/irq_kern.h
index 7a5bfa6291b..e05bd667de1 100644
--- a/arch/um/include/shared/irq_kern.h
+++ b/arch/um/include/shared/irq_kern.h
@@ -6,8 +6,8 @@
 #ifndef __IRQ_KERN_H__
 #define __IRQ_KERN_H__
 
-#include "linux/interrupt.h"
-#include "asm/ptrace.h"
+#include <linux/interrupt.h>
+#include <asm/ptrace.h>
 
 extern int um_request_irq(unsigned int irq, int fd, int type,
 			  irq_handler_t handler,
diff --git a/arch/um/include/shared/irq_user.h b/arch/um/include/shared/irq_user.h
index 2b6d703925b..df563305395 100644
--- a/arch/um/include/shared/irq_user.h
+++ b/arch/um/include/shared/irq_user.h
@@ -6,7 +6,7 @@
 #ifndef __IRQ_USER_H__
 #define __IRQ_USER_H__
 
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
 
 struct irq_fd {
 	struct irq_fd *next;
diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h
index af6b6dc868b..83a91f97633 100644
--- a/arch/um/include/shared/kern_util.h
+++ b/arch/um/include/shared/kern_util.h
@@ -6,8 +6,8 @@
 #ifndef __KERN_UTIL_H__
 #define __KERN_UTIL_H__
 
-#include "sysdep/ptrace.h"
-#include "sysdep/faultinfo.h"
+#include <sysdep/ptrace.h>
+#include <sysdep/faultinfo.h>
 
 struct siginfo;
 
diff --git a/arch/um/include/shared/longjmp.h b/arch/um/include/shared/longjmp.h
index e860bc5848e..9bdddf4c405 100644
--- a/arch/um/include/shared/longjmp.h
+++ b/arch/um/include/shared/longjmp.h
@@ -1,8 +1,8 @@
 #ifndef __UML_LONGJMP_H
 #define __UML_LONGJMP_H
 
-#include "sysdep/archsetjmp.h"
-#include "os.h"
+#include <sysdep/archsetjmp.h>
+#include <os.h>
 
 extern int setjmp(jmp_buf);
 extern void longjmp(jmp_buf, int);
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h
index 89b686c1a3e..95feaa47a2f 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -7,9 +7,9 @@
 #define __OS_H__
 
 #include <stdarg.h>
-#include "irq_user.h"
-#include "longjmp.h"
-#include "mm_id.h"
+#include <irq_user.h>
+#include <longjmp.h>
+#include <mm_id.h>
 
 #define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR))
 
@@ -191,7 +191,6 @@ extern int os_getpid(void);
 extern int os_getpgrp(void);
 
 extern void init_new_thread_signals(void);
-extern int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr);
 
 extern int os_map_memory(void *virt, int fd, unsigned long long off,
 			 unsigned long len, int r, int w, int x);
diff --git a/arch/um/include/shared/registers.h b/arch/um/include/shared/registers.h
index f1e0aa56c52..f5b76355ad7 100644
--- a/arch/um/include/shared/registers.h
+++ b/arch/um/include/shared/registers.h
@@ -6,8 +6,8 @@
 #ifndef __REGISTERS_H
 #define __REGISTERS_H
 
-#include "sysdep/ptrace.h"
-#include "sysdep/archsetjmp.h"
+#include <sysdep/ptrace.h>
+#include <sysdep/archsetjmp.h>
 
 extern int save_fp_registers(int pid, unsigned long *fp_regs);
 extern int restore_fp_registers(int pid, unsigned long *fp_regs);
diff --git a/arch/um/include/shared/skas/skas.h b/arch/um/include/shared/skas/skas.h
index 64d2c744330..c45df961c87 100644
--- a/arch/um/include/shared/skas/skas.h
+++ b/arch/um/include/shared/skas/skas.h
@@ -6,7 +6,7 @@
 #ifndef __SKAS_H
 #define __SKAS_H
 
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
 
 extern int userspace_pid[];
 extern int proc_mm, ptrace_faultinfo, ptrace_ldt;
diff --git a/arch/um/include/shared/skas_ptrace.h b/arch/um/include/shared/skas_ptrace.h
index 3d31bbacd01..630a9c92b93 100644
--- a/arch/um/include/shared/skas_ptrace.h
+++ b/arch/um/include/shared/skas_ptrace.h
@@ -9,6 +9,6 @@
 #define PTRACE_FAULTINFO 52
 #define PTRACE_SWITCH_MM 55
 
-#include "sysdep/skas_ptrace.h"
+#include <sysdep/skas_ptrace.h>
 
 #endif
diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h
index 4fa82c055aa..cef06856333 100644
--- a/arch/um/include/shared/user.h
+++ b/arch/um/include/shared/user.h
@@ -26,6 +26,17 @@
 extern void panic(const char *fmt, ...)
 	__attribute__ ((format (printf, 1, 2)));
 
+/* Requires preincluding include/linux/kern_levels.h */
+#define UM_KERN_EMERG	KERN_EMERG
+#define UM_KERN_ALERT	KERN_ALERT
+#define UM_KERN_CRIT	KERN_CRIT
+#define UM_KERN_ERR	KERN_ERR
+#define UM_KERN_WARNING	KERN_WARNING
+#define UM_KERN_NOTICE	KERN_NOTICE
+#define UM_KERN_INFO	KERN_INFO
+#define UM_KERN_DEBUG	KERN_DEBUG
+#define UM_KERN_CONT	KERN_CONT
+
 #ifdef UML_CONFIG_PRINTK
 extern int printk(const char *fmt, ...)
 	__attribute__ ((format (printf, 1, 2)));
diff --git a/arch/um/kernel/asm-offsets.c b/arch/um/kernel/asm-offsets.c
index 91ea538e161..1fb12235ab9 100644
--- a/arch/um/kernel/asm-offsets.c
+++ b/arch/um/kernel/asm-offsets.c
@@ -1 +1 @@
-#include "sysdep/kernel-offsets.h"
+#include <sysdep/kernel-offsets.h>
diff --git a/arch/um/kernel/config.c.in b/arch/um/kernel/config.c.in
index b7a43feafde..972bf165956 100644
--- a/arch/um/kernel/config.c.in
+++ b/arch/um/kernel/config.c.in
@@ -5,7 +5,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include "init.h"
+#include <init.h>
 
 static __initdata const char *config[] = {
 "CONFIG"
diff --git a/arch/um/kernel/dyn.lds.S b/arch/um/kernel/dyn.lds.S
index a3cab6d3ae0..fb8fd6fb656 100644
--- a/arch/um/kernel/dyn.lds.S
+++ b/arch/um/kernel/dyn.lds.S
@@ -89,7 +89,7 @@ SECTIONS
 
   .kstrtab : { *(.kstrtab) }
 
-  #include "asm/common.lds.S"
+  #include <asm/common.lds.S>
 
   init.data : { INIT_DATA }
 
diff --git a/arch/um/kernel/early_printk.c b/arch/um/kernel/early_printk.c
index ec649bf72f6..49480f09245 100644
--- a/arch/um/kernel/early_printk.c
+++ b/arch/um/kernel/early_printk.c
@@ -9,7 +9,7 @@
 #include <linux/kernel.h>
 #include <linux/console.h>
 #include <linux/init.h>
-#include "os.h"
+#include <os.h>
 
 static void early_console_write(struct console *con, const char *s, unsigned int n)
 {
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 6cade936636..3a8ece7d09c 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -12,11 +12,10 @@
 #include <asm/current.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
-#include "as-layout.h"
-#include "mem_user.h"
-#include "skas.h"
-#include "os.h"
-#include "internal.h"
+#include <as-layout.h>
+#include <mem_user.h>
+#include <skas.h>
+#include <os.h>
 
 void flush_thread(void)
 {
@@ -39,50 +38,12 @@ void flush_thread(void)
 
 void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
 {
+	get_safe_registers(regs->regs.gp, regs->regs.fp);
 	PT_REGS_IP(regs) = eip;
 	PT_REGS_SP(regs) = esp;
-}
-EXPORT_SYMBOL(start_thread);
-
-static long execve1(const char *file,
-		    const char __user *const __user *argv,
-		    const char __user *const __user *env)
-{
-	long error;
-
-	error = do_execve(file, argv, env, &current->thread.regs);
-	if (error == 0) {
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
+	current->ptrace &= ~PT_DTRACE;
 #ifdef SUBARCH_EXECVE1
-		SUBARCH_EXECVE1(&current->thread.regs.regs);
+	SUBARCH_EXECVE1(regs->regs);
 #endif
-		task_unlock(current);
-	}
-	return error;
-}
-
-long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env)
-{
-	long err;
-
-	err = execve1(file, argv, env);
-	if (!err)
-		UML_LONGJMP(current->thread.exec_buf, 1);
-	return err;
-}
-
-long sys_execve(const char __user *file, const char __user *const __user *argv,
-		const char __user *const __user *env)
-{
-	long error;
-	char *filename;
-
-	filename = getname(file);
-	error = PTR_ERR(filename);
-	if (IS_ERR(filename)) goto out;
-	error = execve1(filename, argv, env);
-	putname(filename);
- out:
-	return error;
 }
+EXPORT_SYMBOL(start_thread);
diff --git a/arch/um/kernel/gmon_syms.c b/arch/um/kernel/gmon_syms.c
index e9bcf247bce..1bf61266da8 100644
--- a/arch/um/kernel/gmon_syms.c
+++ b/arch/um/kernel/gmon_syms.c
@@ -3,7 +3,7 @@
  * Licensed under the GPL
  */
 
-#include "linux/module.h"
+#include <linux/module.h>
 
 extern void __bb_init_func(void *)  __attribute__((weak));
 EXPORT_SYMBOL(__bb_init_func);
diff --git a/arch/um/kernel/gprof_syms.c b/arch/um/kernel/gprof_syms.c
index e2f043d0de6..74ddb44288a 100644
--- a/arch/um/kernel/gprof_syms.c
+++ b/arch/um/kernel/gprof_syms.c
@@ -3,7 +3,7 @@
  * Licensed under the GPL
  */
 
-#include "linux/module.h"
+#include <linux/module.h>
 
 extern void mcount(void);
 EXPORT_SYMBOL(mcount);
diff --git a/arch/um/kernel/initrd.c b/arch/um/kernel/initrd.c
index 10cc18f729f..55cead809b1 100644
--- a/arch/um/kernel/initrd.c
+++ b/arch/um/kernel/initrd.c
@@ -3,12 +3,12 @@
  * Licensed under the GPL
  */
 
-#include "linux/init.h"
-#include "linux/bootmem.h"
-#include "linux/initrd.h"
-#include "asm/types.h"
-#include "init.h"
-#include "os.h"
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/initrd.h>
+#include <asm/types.h>
+#include <init.h>
+#include <os.h>
 
 /* Changed by uml_initrd_setup, which is a setup */
 static char *initrd __initdata = NULL;
diff --git a/arch/um/kernel/internal.h b/arch/um/kernel/internal.h
deleted file mode 100644
index 5bf97db24a0..00000000000
--- a/arch/um/kernel/internal.h
+++ /dev/null
@@ -1 +0,0 @@
-extern long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env);
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index 9883026f073..36e12f0cefd 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -5,17 +5,17 @@
  *	Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
  */
 
-#include "linux/cpumask.h"
-#include "linux/hardirq.h"
-#include "linux/interrupt.h"
-#include "linux/kernel_stat.h"
-#include "linux/module.h"
-#include "linux/sched.h"
-#include "linux/seq_file.h"
-#include "linux/slab.h"
-#include "as-layout.h"
-#include "kern_util.h"
-#include "os.h"
+#include <linux/cpumask.h>
+#include <linux/hardirq.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <as-layout.h>
+#include <kern_util.h>
+#include <os.h>
 
 /*
  * This list is accessed under irq_lock, except in sigio_handler,
diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c
index e17bea0b22e..543c0475693 100644
--- a/arch/um/kernel/ksyms.c
+++ b/arch/um/kernel/ksyms.c
@@ -4,7 +4,7 @@
  */
 
 #include <linux/module.h>
-#include "os.h"
+#include <os.h>
 
 EXPORT_SYMBOL(set_signals);
 EXPORT_SYMBOL(get_signals);
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index ebb86b21844..5abcbfbe7e2 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -12,12 +12,12 @@
 #include <linux/slab.h>
 #include <asm/fixmap.h>
 #include <asm/page.h>
-#include "as-layout.h"
-#include "init.h"
-#include "kern.h"
-#include "kern_util.h"
-#include "mem_user.h"
-#include "os.h"
+#include <as-layout.h>
+#include <init.h>
+#include <kern.h>
+#include <kern_util.h>
+#include <mem_user.h>
+#include <os.h>
 
 /* allocated in paging_init, zeroed in mem_init, and unchanged thereafter */
 unsigned long *empty_zero_page = NULL;
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index 57fc7028714..b6d699cdd55 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -23,10 +23,10 @@
 #include <asm/pgtable.h>
 #include <asm/mmu_context.h>
 #include <asm/uaccess.h>
-#include "as-layout.h"
-#include "kern_util.h"
-#include "os.h"
-#include "skas.h"
+#include <as-layout.h>
+#include <kern_util.h>
+#include <os.h>
+#include <skas.h>
 
 /*
  * This is a per-cpu array.  A processor only modifies its entry and it only
@@ -69,18 +69,6 @@ unsigned long alloc_stack(int order, int atomic)
 	return page;
 }
 
-int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
-{
-	int pid;
-
-	current->thread.request.u.thread.proc = fn;
-	current->thread.request.u.thread.arg = arg;
-	pid = do_fork(CLONE_VM | CLONE_UNTRACED | flags, 0,
-		      &current->thread.regs, 0, NULL, NULL);
-	return pid;
-}
-EXPORT_SYMBOL(kernel_thread);
-
 static inline void set_current(struct task_struct *task)
 {
 	cpu_tasks[task_thread_info(task)->cpu] = ((struct cpu_task)
@@ -147,14 +135,10 @@ void new_thread_handler(void)
 	arg = current->thread.request.u.thread.arg;
 
 	/*
-	 * The return value is 1 if the kernel thread execs a process,
-	 * 0 if it just exits
+	 * callback returns only if the kernel thread execs a process
 	 */
-	n = run_kernel_thread(fn, arg, &current->thread.exec_buf);
-	if (n == 1)
-		userspace(&current->thread.regs.regs);
-	else
-		do_exit(0);
+	n = fn(arg);
+	userspace(&current->thread.regs.regs);
 }
 
 /* Called magically, see new_thread_handler above */
@@ -177,15 +161,16 @@ void fork_handler(void)
 }
 
 int copy_thread(unsigned long clone_flags, unsigned long sp,
-		unsigned long stack_top, struct task_struct * p,
+		unsigned long arg, struct task_struct * p,
 		struct pt_regs *regs)
 {
 	void (*handler)(void);
+	int kthread = current->flags & PF_KTHREAD;
 	int ret = 0;
 
 	p->thread = (struct thread_struct) INIT_THREAD;
 
-	if (current->thread.forking) {
+	if (!kthread) {
 	  	memcpy(&p->thread.regs.regs, &regs->regs,
 		       sizeof(p->thread.regs.regs));
 		PT_REGS_SET_SYSCALL_RETURN(&p->thread.regs, 0);
@@ -195,16 +180,16 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
 		handler = fork_handler;
 
 		arch_copy_thread(&current->thread.arch, &p->thread.arch);
-	}
-	else {
+	} else {
 		get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp);
-		p->thread.request.u.thread = current->thread.request.u.thread;
+		p->thread.request.u.thread.proc = (int (*)(void *))sp;
+		p->thread.request.u.thread.arg = (void *)arg;
 		handler = new_thread_handler;
 	}
 
 	new_thread(task_stack_page(p), &p->thread.switch_buf, handler);
 
-	if (current->thread.forking) {
+	if (!kthread) {
 		clear_flushed_tls(p);
 
 		/*
diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
index 3d15243ce69..ced8903921a 100644
--- a/arch/um/kernel/reboot.c
+++ b/arch/um/kernel/reboot.c
@@ -3,13 +3,13 @@
  * Licensed under the GPL
  */
 
-#include "linux/sched.h"
-#include "linux/spinlock.h"
-#include "linux/slab.h"
-#include "linux/oom.h"
-#include "kern_util.h"
-#include "os.h"
-#include "skas.h"
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <linux/oom.h>
+#include <kern_util.h>
+#include <os.h>
+#include <skas.h>
 
 void (*pm_power_off)(void);
 
diff --git a/arch/um/kernel/sigio.c b/arch/um/kernel/sigio.c
index c88211139a5..b5e0cbb3438 100644
--- a/arch/um/kernel/sigio.c
+++ b/arch/um/kernel/sigio.c
@@ -4,9 +4,9 @@
  */
 
 #include <linux/interrupt.h>
-#include "irq_kern.h"
-#include "os.h"
-#include "sigio.h"
+#include <irq_kern.h>
+#include <os.h>
+#include <sigio.h>
 
 /* Protected by sigio_lock() called from write_sigio_workaround */
 static int sigio_irq_fd = -1;
diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index 7362d58efc2..db18eb6124e 100644
--- a/arch/um/kernel/signal.c
+++ b/arch/um/kernel/signal.c
@@ -9,8 +9,8 @@
 #include <asm/siginfo.h>
 #include <asm/signal.h>
 #include <asm/unistd.h>
-#include "frame_kern.h"
-#include "kern_util.h"
+#include <frame_kern.h>
+#include <kern_util.h>
 
 EXPORT_SYMBOL(block_signals);
 EXPORT_SYMBOL(unblock_signals);
@@ -22,9 +22,13 @@ static void handle_signal(struct pt_regs *regs, unsigned long signr,
 			 struct k_sigaction *ka, siginfo_t *info)
 {
 	sigset_t *oldset = sigmask_to_save();
+	int singlestep = 0;
 	unsigned long sp;
 	int err;
 
+	if ((current->ptrace & PT_DTRACE) && (current->ptrace & PT_PTRACED))
+		singlestep = 1;
+
 	/* Did we come from a system call? */
 	if (PT_REGS_SYSCALL_NR(regs) >= 0) {
 		/* If so, check system call restarting.. */
@@ -61,7 +65,7 @@ static void handle_signal(struct pt_regs *regs, unsigned long signr,
 	if (err)
 		force_sigsegv(signr, current);
 	else
-		signal_delivered(signr, info, ka, regs, 0);
+		signal_delivered(signr, info, ka, regs, singlestep);
 }
 
 static int kern_do_signal(struct pt_regs *regs)
diff --git a/arch/um/kernel/skas/clone.c b/arch/um/kernel/skas/clone.c
index e1fd066a352..289771dadf8 100644
--- a/arch/um/kernel/skas/clone.c
+++ b/arch/um/kernel/skas/clone.c
@@ -7,10 +7,10 @@
 #include <sched.h>
 #include <asm/unistd.h>
 #include <sys/time.h>
-#include "as-layout.h"
-#include "ptrace_user.h"
-#include "stub-data.h"
-#include "sysdep/stub.h"
+#include <as-layout.h>
+#include <ptrace_user.h>
+#include <stub-data.h>
+#include <sysdep/stub.h>
 
 /*
  * This is in a separate file because it needs to be compiled with any
diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index 0a49ef0c2bf..ff03067a3b1 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -3,14 +3,14 @@
  * Licensed under the GPL
  */
 
-#include "linux/mm.h"
-#include "linux/sched.h"
-#include "linux/slab.h"
-#include "asm/pgalloc.h"
-#include "asm/pgtable.h"
-#include "as-layout.h"
-#include "os.h"
-#include "skas.h"
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <asm/pgalloc.h>
+#include <asm/pgtable.h>
+#include <as-layout.h>
+#include <os.h>
+#include <skas.h>
 
 extern int __syscall_stub_start;
 
diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c
index 0a9e57e7446..4da11b3c8dd 100644
--- a/arch/um/kernel/skas/process.c
+++ b/arch/um/kernel/skas/process.c
@@ -3,12 +3,12 @@
  * Licensed under the GPL
  */
 
-#include "linux/init.h"
-#include "linux/sched.h"
-#include "as-layout.h"
-#include "kern.h"
-#include "os.h"
-#include "skas.h"
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <as-layout.h>
+#include <kern.h>
+#include <os.h>
+#include <skas.h>
 
 int new_mm(unsigned long stack)
 {
diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c
index 86368a025a9..c0681e09743 100644
--- a/arch/um/kernel/skas/syscall.c
+++ b/arch/um/kernel/skas/syscall.c
@@ -3,11 +3,11 @@
  * Licensed under the GPL
  */
 
-#include "linux/kernel.h"
-#include "linux/ptrace.h"
-#include "kern_util.h"
-#include "sysdep/ptrace.h"
-#include "sysdep/syscalls.h"
+#include <linux/kernel.h>
+#include <linux/ptrace.h>
+#include <kern_util.h>
+#include <sysdep/ptrace.h>
+#include <sysdep/syscalls.h>
 
 extern int syscall_table_size;
 #define NR_SYSCALLS (syscall_table_size / sizeof(void *))
diff --git a/arch/um/kernel/skas/uaccess.c b/arch/um/kernel/skas/uaccess.c
index cd7df79c6a5..1d3e0c17340 100644
--- a/arch/um/kernel/skas/uaccess.c
+++ b/arch/um/kernel/skas/uaccess.c
@@ -11,8 +11,8 @@
 #include <asm/current.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
-#include "kern_util.h"
-#include "os.h"
+#include <kern_util.h>
+#include <os.h>
 
 pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr)
 {
diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c
index a02b7e9e6b9..5c8c3ea7db7 100644
--- a/arch/um/kernel/smp.c
+++ b/arch/um/kernel/smp.c
@@ -3,24 +3,24 @@
  * Licensed under the GPL
  */
 
-#include "linux/percpu.h"
-#include "asm/pgalloc.h"
-#include "asm/tlb.h"
+#include <linux/percpu.h>
+#include <asm/pgalloc.h>
+#include <asm/tlb.h>
 
 #ifdef CONFIG_SMP
 
-#include "linux/sched.h"
-#include "linux/module.h"
-#include "linux/threads.h"
-#include "linux/interrupt.h"
-#include "linux/err.h"
-#include "linux/hardirq.h"
-#include "asm/smp.h"
-#include "asm/processor.h"
-#include "asm/spinlock.h"
-#include "kern.h"
-#include "irq_user.h"
-#include "os.h"
+#include <linux/sched.h>
+#include <linux/module.h>
+#include <linux/threads.h>
+#include <linux/interrupt.h>
+#include <linux/err.h>
+#include <linux/hardirq.h>
+#include <asm/smp.h>
+#include <asm/processor.h>
+#include <asm/spinlock.h>
+#include <kern.h>
+#include <irq_user.h>
+#include <os.h>
 
 /* Per CPU bogomips and other parameters
  * The only piece used here is the ipi pipe, which is set before SMP is
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index f958cb876ee..a81f3705e90 100644
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -3,39 +3,38 @@
  * Licensed under the GPL
  */
 
-#include "linux/file.h"
-#include "linux/fs.h"
-#include "linux/mm.h"
-#include "linux/sched.h"
-#include "linux/utsname.h"
-#include "linux/syscalls.h"
-#include "asm/current.h"
-#include "asm/mman.h"
-#include "asm/uaccess.h"
-#include "asm/unistd.h"
-#include "internal.h"
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/utsname.h>
+#include <linux/syscalls.h>
+#include <asm/current.h>
+#include <asm/mman.h>
+#include <asm/uaccess.h>
+#include <asm/unistd.h>
 
 long sys_fork(void)
 {
-	long ret;
-
-	current->thread.forking = 1;
-	ret = do_fork(SIGCHLD, UPT_SP(&current->thread.regs.regs),
+	return do_fork(SIGCHLD, UPT_SP(&current->thread.regs.regs),
 		      &current->thread.regs, 0, NULL, NULL);
-	current->thread.forking = 0;
-	return ret;
 }
 
 long sys_vfork(void)
 {
-	long ret;
-
-	current->thread.forking = 1;
-	ret = do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
+	return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
 		      UPT_SP(&current->thread.regs.regs),
 		      &current->thread.regs, 0, NULL, NULL);
-	current->thread.forking = 0;
-	return ret;
+}
+
+long sys_clone(unsigned long clone_flags, unsigned long newsp,
+	       void __user *parent_tid, void __user *child_tid)
+{
+	if (!newsp)
+		newsp = UPT_SP(&current->thread.regs.regs);
+
+	return do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
+		      child_tid);
 }
 
 long old_mmap(unsigned long addr, unsigned long len,
@@ -50,19 +49,3 @@ long old_mmap(unsigned long addr, unsigned long len,
  out:
 	return err;
 }
-
-int kernel_execve(const char *filename,
-		  const char *const argv[],
-		  const char *const envp[])
-{
-	mm_segment_t fs;
-	int ret;
-
-	fs = get_fs();
-	set_fs(KERNEL_DS);
-	ret = um_execve(filename, (const char __user *const __user *)argv,
-			(const char __user *const __user *) envp);
-	set_fs(fs);
-
-	return ret;
-}
diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
index 0960de54495..e562ff80409 100644
--- a/arch/um/kernel/sysrq.c
+++ b/arch/um/kernel/sysrq.c
@@ -7,7 +7,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/sched.h>
-#include "sysrq.h"
+#include <asm/sysrq.h>
 
 /* Catch non-i386 SUBARCH's. */
 #if !defined(CONFIG_UML_X86) || defined(CONFIG_64BIT)
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 5f76d4ba151..117568d4f64 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -10,8 +10,8 @@
 #include <linux/threads.h>
 #include <asm/irq.h>
 #include <asm/param.h>
-#include "kern_util.h"
-#include "os.h"
+#include <kern_util.h>
+#include <os.h>
 
 void timer_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs)
 {
diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index f819af951c1..9472079471b 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -8,10 +8,10 @@
 #include <linux/sched.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
-#include "as-layout.h"
-#include "mem_user.h"
-#include "os.h"
-#include "skas.h"
+#include <as-layout.h>
+#include <mem_user.h>
+#include <os.h>
+#include <skas.h>
 
 struct host_vm_change {
 	struct host_vm_op {
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index 0353b98ae35..089f3987e27 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -10,11 +10,11 @@
 #include <asm/current.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
-#include "arch.h"
-#include "as-layout.h"
-#include "kern_util.h"
-#include "os.h"
-#include "skas.h"
+#include <arch.h>
+#include <as-layout.h>
+#include <kern_util.h>
+#include <os.h>
+#include <skas.h>
 
 /*
  * Note this is constrained to return 0, -EFAULT, -EACCESS, -ENOMEM by
@@ -89,6 +89,7 @@ good_area:
 				current->min_flt++;
 			if (fault & VM_FAULT_RETRY) {
 				flags &= ~FAULT_FLAG_ALLOW_RETRY;
+				flags |= FAULT_FLAG_TRIED;
 
 				goto retry;
 			}
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 4db8770906c..87df5e3acc2 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -14,13 +14,13 @@
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 #include <asm/setup.h>
-#include "as-layout.h"
-#include "arch.h"
-#include "init.h"
-#include "kern.h"
-#include "kern_util.h"
-#include "mem_user.h"
-#include "os.h"
+#include <as-layout.h>
+#include <arch.h>
+#include <init.h>
+#include <kern.h>
+#include <kern_util.h>
+#include <mem_user.h>
+#include <os.h>
 
 #define DEFAULT_COMMAND_LINE "root=98:0"
 
diff --git a/arch/um/kernel/umid.c b/arch/um/kernel/umid.c
index 81e07e2be3a..f6cc3bd6178 100644
--- a/arch/um/kernel/umid.c
+++ b/arch/um/kernel/umid.c
@@ -4,9 +4,9 @@
  */
 
 #include <asm/errno.h>
-#include "init.h"
-#include "kern.h"
-#include "os.h"
+#include <init.h>
+#include <kern.h>
+#include <os.h>
 
 /* Changed by set_umid_arg */
 static int umid_inited = 0;
diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S
index fbd99402d4d..ff65fb4f1a9 100644
--- a/arch/um/kernel/uml.lds.S
+++ b/arch/um/kernel/uml.lds.S
@@ -60,7 +60,7 @@ SECTIONS
 	PROVIDE_HIDDEN(__rela_iplt_end = .);
   }
 
-  #include "asm/common.lds.S"
+  #include <asm/common.lds.S>
 
   init.data : { INIT_DATA }
   .data    :
diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c
index c5d039e1ff3..3a6bc2af096 100644
--- a/arch/um/os-Linux/aio.c
+++ b/arch/um/os-Linux/aio.c
@@ -9,10 +9,10 @@
 #include <errno.h>
 #include <sys/time.h>
 #include <asm/unistd.h>
-#include "aio.h"
-#include "init.h"
-#include "kern_util.h"
-#include "os.h"
+#include <aio.h>
+#include <init.h>
+#include <kern_util.h>
+#include <os.h>
 
 struct aio_thread_req {
 	enum aio_type type;
diff --git a/arch/um/os-Linux/drivers/etap.h b/arch/um/os-Linux/drivers/etap.h
index ddffd41c3f3..54183a679fd 100644
--- a/arch/um/os-Linux/drivers/etap.h
+++ b/arch/um/os-Linux/drivers/etap.h
@@ -6,7 +6,7 @@
 #ifndef __DRIVERS_ETAP_H
 #define __DRIVERS_ETAP_H
 
-#include "net_user.h"
+#include <net_user.h>
 
 struct ethertap_data {
 	char *dev_name;
diff --git a/arch/um/os-Linux/drivers/ethertap_kern.c b/arch/um/os-Linux/drivers/ethertap_kern.c
index 7f6f9a71aae..f424600a583 100644
--- a/arch/um/os-Linux/drivers/ethertap_kern.c
+++ b/arch/um/os-Linux/drivers/ethertap_kern.c
@@ -9,7 +9,7 @@
 #include <linux/init.h>
 #include <linux/netdevice.h>
 #include "etap.h"
-#include "net_kern.h"
+#include <net_kern.h>
 
 struct ethertap_init {
 	char *dev_name;
diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c
index db3d6481375..b39b6696ac5 100644
--- a/arch/um/os-Linux/drivers/ethertap_user.c
+++ b/arch/um/os-Linux/drivers/ethertap_user.c
@@ -13,9 +13,9 @@
 #include <sys/socket.h>
 #include <sys/wait.h>
 #include "etap.h"
-#include "os.h"
-#include "net_user.h"
-#include "um_malloc.h"
+#include <os.h>
+#include <net_user.h>
+#include <um_malloc.h>
 
 #define MAX_PACKET ETH_MAX_PACKET
 
diff --git a/arch/um/os-Linux/drivers/tuntap.h b/arch/um/os-Linux/drivers/tuntap.h
index f17c31586c8..7367354ac8d 100644
--- a/arch/um/os-Linux/drivers/tuntap.h
+++ b/arch/um/os-Linux/drivers/tuntap.h
@@ -6,7 +6,7 @@
 #ifndef __UM_TUNTAP_H
 #define __UM_TUNTAP_H
 
-#include "net_user.h"
+#include <net_user.h>
 
 struct tuntap_data {
 	char *dev_name;
diff --git a/arch/um/os-Linux/drivers/tuntap_kern.c b/arch/um/os-Linux/drivers/tuntap_kern.c
index 4048800e469..d9d56e5810f 100644
--- a/arch/um/os-Linux/drivers/tuntap_kern.c
+++ b/arch/um/os-Linux/drivers/tuntap_kern.c
@@ -7,7 +7,7 @@
 #include <linux/init.h>
 #include <linux/skbuff.h>
 #include <asm/errno.h>
-#include "net_kern.h"
+#include <net_kern.h>
 #include "tuntap.h"
 
 struct tuntap_init {
diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c
index a2aacffdd90..14126d9176a 100644
--- a/arch/um/os-Linux/drivers/tuntap_user.c
+++ b/arch/um/os-Linux/drivers/tuntap_user.c
@@ -13,8 +13,8 @@
 #include <sys/socket.h>
 #include <sys/wait.h>
 #include <sys/uio.h>
-#include "kern_util.h"
-#include "os.h"
+#include <kern_util.h>
+#include <os.h>
 #include "tuntap.h"
 
 static int tuntap_user_init(void *data, void *dev)
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index d895271ad6f..1a365ddc4d0 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -9,9 +9,9 @@
  */
 #include <elf.h>
 #include <stddef.h>
-#include "init.h"
-#include "elf_user.h"
-#include "mem_user.h"
+#include <init.h>
+#include <elf_user.h>
+#include <mem_user.h>
 
 typedef Elf32_auxv_t elf_auxv_t;
 
diff --git a/arch/um/os-Linux/execvp.c b/arch/um/os-Linux/execvp.c
index 66e583a4031..8fb25ca07c4 100644
--- a/arch/um/os-Linux/execvp.c
+++ b/arch/um/os-Linux/execvp.c
@@ -27,12 +27,12 @@
 #include <limits.h>
 
 #ifndef TEST
-#include "um_malloc.h"
+#include <um_malloc.h>
 #else
 #include <stdio.h>
 #define um_kmalloc malloc
 #endif
-#include "os.h"
+#include <os.h>
 
 /* Execute FILE, searching in the `PATH' environment variable if it contains
    no slashes, with arguments ARGV and environment from `environ'.  */
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index b049a63bb74..c17bd6f7d67 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -13,7 +13,7 @@
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/un.h>
-#include "os.h"
+#include <os.h>
 
 static void copy_stat(struct uml_stat *dst, const struct stat64 *src)
 {
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index cf26c4a9a43..e3ee4a51ef6 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -10,9 +10,9 @@
 #include <linux/limits.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
-#include "kern_util.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <kern_util.h>
+#include <os.h>
+#include <um_malloc.h>
 
 struct helper_data {
 	void (*pre_exec)(void*);
diff --git a/arch/um/os-Linux/irq.c b/arch/um/os-Linux/irq.c
index 9a49908b576..b9afb74b79a 100644
--- a/arch/um/os-Linux/irq.c
+++ b/arch/um/os-Linux/irq.c
@@ -8,9 +8,9 @@
 #include <poll.h>
 #include <signal.h>
 #include <string.h>
-#include "irq_user.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <irq_user.h>
+#include <os.h>
+#include <um_malloc.h>
 
 /*
  * Locked by irq_lock in arch/um/kernel/irq.c.  Changed by os_create_pollfd
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index 7a86dd516eb..749c96da7b9 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -10,11 +10,11 @@
 #include <signal.h>
 #include <string.h>
 #include <sys/resource.h>
-#include "as-layout.h"
-#include "init.h"
-#include "kern_util.h"
-#include "os.h"
-#include "um_malloc.h"
+#include <as-layout.h>
+#include <init.h>
+#include <kern_util.h>
+#include <os.h>
+#include <um_malloc.h>
 
 #define PGD_BOUND (4 * 1024 * 1024)
 #define STACKSIZE (8 * 1024 * 1024)
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 8e421e1d6d3..ba4398056fe 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -13,8 +13,8 @@
 #include <sys/stat.h>
 #include <sys/mman.h>
 #include <sys/param.h>
-#include "init.h"
-#include "os.h"
+#include <init.h>
+#include <os.h>
 
 /* Modified by which_tmpdir, which is called during early boot */
 static char *default_tmpdir = "/tmp";
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
index 307f173e7f8..b8f34c9e53a 100644
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -12,10 +12,10 @@
 #include <sys/ptrace.h>
 #include <sys/wait.h>
 #include <asm/unistd.h>
-#include "init.h"
-#include "longjmp.h"
-#include "os.h"
-#include "skas_ptrace.h"
+#include <init.h>
+#include <longjmp.h>
+#include <os.h>
+#include <skas_ptrace.h>
 
 #define ARBITRARY_ADDR -1
 #define FAILURE_PID    -1
@@ -244,16 +244,3 @@ void init_new_thread_signals(void)
 	signal(SIGWINCH, SIG_IGN);
 	signal(SIGTERM, SIG_DFL);
 }
-
-int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr)
-{
-	jmp_buf buf;
-	int n;
-
-	*jmp_ptr = &buf;
-	n = UML_SETJMP(&buf);
-	if (n != 0)
-		return n;
-	(*fn)(arg);
-	return 0;
-}
diff --git a/arch/um/os-Linux/registers.c b/arch/um/os-Linux/registers.c
index b866b9e3bef..2ff8d4fe83c 100644
--- a/arch/um/os-Linux/registers.c
+++ b/arch/um/os-Linux/registers.c
@@ -7,9 +7,9 @@
 #include <errno.h>
 #include <string.h>
 #include <sys/ptrace.h>
-#include "sysdep/ptrace.h"
-#include "sysdep/ptrace_user.h"
-#include "registers.h"
+#include <sysdep/ptrace.h>
+#include <sysdep/ptrace_user.h>
+#include <registers.h>
 
 int save_registers(int pid, struct uml_pt_regs *regs)
 {
diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c
index 3c161218c67..8b61cc0e82c 100644
--- a/arch/um/os-Linux/sigio.c
+++ b/arch/um/os-Linux/sigio.c
@@ -11,11 +11,11 @@
 #include <sched.h>
 #include <signal.h>
 #include <string.h>
-#include "kern_util.h"
-#include "init.h"
-#include "os.h"
-#include "sigio.h"
-#include "um_malloc.h"
+#include <kern_util.h>
+#include <init.h>
+#include <os.h>
+#include <sigio.h>
+#include <um_malloc.h>
 
 /*
  * Protected by sigio_lock(), also used by sigio_cleanup, which is an
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 6366ce904b9..b1469fe9329 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -9,10 +9,10 @@
 #include <errno.h>
 #include <signal.h>
 #include <strings.h>
-#include "as-layout.h"
-#include "kern_util.h"
-#include "os.h"
-#include "sysdep/mcontext.h"
+#include <as-layout.h>
+#include <kern_util.h>
+#include <os.h>
+#include <sysdep/mcontext.h>
 #include "internal.h"
 
 void (*sig_info[NSIG])(int, siginfo_t *, struct uml_pt_regs *) = {
diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c
index 90b310d2917..689b18db798 100644
--- a/arch/um/os-Linux/skas/mem.c
+++ b/arch/um/os-Linux/skas/mem.c
@@ -8,16 +8,16 @@
 #include <errno.h>
 #include <string.h>
 #include <sys/mman.h>
-#include "init.h"
-#include "as-layout.h"
-#include "mm_id.h"
-#include "os.h"
-#include "proc_mm.h"
-#include "ptrace_user.h"
-#include "registers.h"
-#include "skas.h"
-#include "sysdep/ptrace.h"
-#include "sysdep/stub.h"
+#include <init.h>
+#include <as-layout.h>
+#include <mm_id.h>
+#include <os.h>
+#include <proc_mm.h>
+#include <ptrace_user.h>
+#include <registers.h>
+#include <skas.h>
+#include <sysdep/ptrace.h>
+#include <sysdep/stub.h>
 
 extern unsigned long batch_syscall_stub, __syscall_stub_start;
 
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index d93bb40499f..4625949bf1e 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -11,17 +11,17 @@
 #include <sys/mman.h>
 #include <sys/wait.h>
 #include <asm/unistd.h>
-#include "as-layout.h"
-#include "init.h"
-#include "kern_util.h"
-#include "mem.h"
-#include "os.h"
-#include "proc_mm.h"
-#include "ptrace_user.h"
-#include "registers.h"
-#include "skas.h"
-#include "skas_ptrace.h"
-#include "sysdep/stub.h"
+#include <as-layout.h>
+#include <init.h>
+#include <kern_util.h>
+#include <mem.h>
+#include <os.h>
+#include <proc_mm.h>
+#include <ptrace_user.h>
+#include <registers.h>
+#include <skas.h>
+#include <skas_ptrace.h>
+#include <sysdep/stub.h>
 
 int is_skas_winch(int pid, int fd, void *data)
 {
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index 425162e22af..da4b9e9999f 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -16,13 +16,13 @@
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <asm/unistd.h>
-#include "init.h"
-#include "os.h"
-#include "mem_user.h"
-#include "ptrace_user.h"
-#include "registers.h"
-#include "skas.h"
-#include "skas_ptrace.h"
+#include <init.h>
+#include <os.h>
+#include <mem_user.h>
+#include <ptrace_user.h>
+#include <registers.h>
+#include <skas.h>
+#include <skas_ptrace.h>
 
 static void ptrace_child(void)
 {
diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c
index 0748fe0c8a7..fac388cb464 100644
--- a/arch/um/os-Linux/time.c
+++ b/arch/um/os-Linux/time.c
@@ -8,8 +8,8 @@
 #include <signal.h>
 #include <time.h>
 #include <sys/time.h>
-#include "kern_util.h"
-#include "os.h"
+#include <kern_util.h>
+#include <os.h>
 #include "internal.h"
 
 int set_interval(void)
diff --git a/arch/um/os-Linux/tty.c b/arch/um/os-Linux/tty.c
index dd12b99dcb5..721d8afa329 100644
--- a/arch/um/os-Linux/tty.c
+++ b/arch/um/os-Linux/tty.c
@@ -7,8 +7,8 @@
 #include <unistd.h>
 #include <errno.h>
 #include <fcntl.h>
-#include "kern_util.h"
-#include "os.h"
+#include <kern_util.h>
+#include <os.h>
 
 struct grantpt_info {
 	int fd;
diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
index 4832eb519f8..c1dc89261f6 100644
--- a/arch/um/os-Linux/umid.c
+++ b/arch/um/os-Linux/umid.c
@@ -12,8 +12,8 @@
 #include <string.h>
 #include <unistd.h>
 #include <sys/stat.h>
-#include "init.h"
-#include "os.h"
+#include <init.h>
+#include <os.h>
 
 #define UML_DIR "~/.uml/"
 
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
index 73926fa3f96..db4a034aeee 100644
--- a/arch/um/os-Linux/user_syms.c
+++ b/arch/um/os-Linux/user_syms.c
@@ -1,5 +1,5 @@
-#include "linux/types.h"
-#include "linux/module.h"
+#include <linux/types.h>
+#include <linux/module.h>
 
 /* Some of this are builtin function (some are not but could in the future),
  * so I *must* declare good prototypes for them and then EXPORT them.
diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index 9e3b43bb84c..492ef5e6e16 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -13,7 +13,7 @@
 #include <wait.h>
 #include <sys/mman.h>
 #include <sys/utsname.h>
-#include "os.h"
+#include <os.h>
 
 void stack_protections(unsigned long address)
 {
diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules
index d50270d26b4..15889df9b46 100644
--- a/arch/um/scripts/Makefile.rules
+++ b/arch/um/scripts/Makefile.rules
@@ -8,7 +8,7 @@ USER_OBJS += $(filter %_user.o,$(obj-y) $(obj-m)  $(USER_SINGLE_OBJS))
 USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
 
 $(USER_OBJS:.o=.%): \
-	c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) -include user.h $(CFLAGS_$(basetarget).o)
+	c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) -include $(srctree)/include/linux/kern_levels.h -include user.h $(CFLAGS_$(basetarget).o)
 
 # These are like USER_OBJS but filter USER_CFLAGS through unprofile instead of
 # using it directly.
diff --git a/arch/um/sys-ppc/miscthings.c b/arch/um/sys-ppc/miscthings.c
index 1c11aed9c71..25908d26ce0 100644
--- a/arch/um/sys-ppc/miscthings.c
+++ b/arch/um/sys-ppc/miscthings.c
@@ -1,6 +1,6 @@
-#include "linux/threads.h"
-#include "linux/stddef.h"  // for NULL
-#include "linux/elf.h"  // for AT_NULL
+#include <linux/threads.h>
+#include <linux/stddef.h>  // for NULL
+#include <linux/elf.h>  // for AT_NULL
 
 /* The following function nicked from arch/ppc/kernel/process.c and
  * adapted slightly */
diff --git a/arch/um/sys-ppc/ptrace.c b/arch/um/sys-ppc/ptrace.c
index 66ef155248f..8245df41b20 100644
--- a/arch/um/sys-ppc/ptrace.c
+++ b/arch/um/sys-ppc/ptrace.c
@@ -1,4 +1,4 @@
-#include "linux/sched.h"
+#include <linux/sched.h>
 #include "asm/ptrace.h"
 
 int putreg(struct task_struct *child, unsigned long regno, 
diff --git a/arch/um/sys-ppc/ptrace_user.c b/arch/um/sys-ppc/ptrace_user.c
index 224d2403c37..4601b9296aa 100644
--- a/arch/um/sys-ppc/ptrace_user.c
+++ b/arch/um/sys-ppc/ptrace_user.c
@@ -1,6 +1,6 @@
 #include <errno.h>
 #include <asm/ptrace.h>
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
 
 int ptrace_getregs(long pid, unsigned long *regs_out)
 {
diff --git a/arch/um/sys-ppc/shared/sysdep/ptrace.h b/arch/um/sys-ppc/shared/sysdep/ptrace.h
index 0e3230e937e..efe0c1a3ea9 100644
--- a/arch/um/sys-ppc/shared/sysdep/ptrace.h
+++ b/arch/um/sys-ppc/shared/sysdep/ptrace.h
@@ -5,7 +5,7 @@
 #ifndef __SYS_PTRACE_PPC_H
 #define __SYS_PTRACE_PPC_H
 
-#include "linux/types.h"
+#include <linux/types.h>
 
 /* the following taken from <asm-ppc/ptrace.h> */
 
diff --git a/arch/um/sys-ppc/sigcontext.c b/arch/um/sys-ppc/sigcontext.c
index 40694d0f3d1..aac6c83fe44 100644
--- a/arch/um/sys-ppc/sigcontext.c
+++ b/arch/um/sys-ppc/sigcontext.c
@@ -1,4 +1,4 @@
 #include "asm/ptrace.h"
 #include "asm/sigcontext.h"
-#include "sysdep/ptrace.h"
+#include <sysdep/ptrace.h>
 
diff --git a/arch/um/sys-ppc/sysrq.c b/arch/um/sys-ppc/sysrq.c
index 2f816f1a0ff..f889449f928 100644
--- a/arch/um/sys-ppc/sysrq.c
+++ b/arch/um/sys-ppc/sysrq.c
@@ -3,8 +3,8 @@
  * Licensed under the GPL
  */
 
-#include "linux/kernel.h"
-#include "linux/smp.h"
+#include <linux/kernel.h>
+#include <linux/smp.h>
 #include "asm/ptrace.h"
 #include "sysrq.h"