Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	Documentation/kernel-parameters.txt
	arch/sh/include/asm/elf.h

6 files changed, 102 insertions, 25 deletions

diff --git a/init/Kconfig b/init/Kconfig
index c11da38837e5..5ceff3249a2d 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -713,6 +713,14 @@ config SHMEM
 	  option replaces shmem and tmpfs with the much simpler ramfs code,
 	  which may be appropriate on small systems without swap.
 
+config AIO
+	bool "Enable AIO support" if EMBEDDED
+	default y
+	help
+	  This option enables POSIX asynchronous I/O which may by used
+          by some high performance threaded applications. Disabling
+          this option saves about 7k.
+
 config VM_EVENT_COUNTERS
 	default y
 	bool "Enable VM event counters for /proc/vmstat" if EMBEDDED
@@ -779,16 +787,6 @@ config MARKERS
 
 source "arch/Kconfig"
 
-config PROC_PAGE_MONITOR
- 	default y
-	depends on PROC_FS && MMU
-	bool "Enable /proc page monitoring" if EMBEDDED
- 	help
-	  Various /proc files exist to monitor process memory utilization:
-	  /proc/pid/smaps, /proc/pid/clear_refs, /proc/pid/pagemap,
-	  /proc/kpagecount, and /proc/kpageflags. Disabling these
-          interfaces will reduce the size of the kernel by approximately 4kb.
-
 endmenu		# General setup
 
 config HAVE_GENERIC_DMA_COHERENT
diff --git a/init/do_mounts.c b/init/do_mounts.c
index 3715feb8446d..d055b1914c3d 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -263,6 +263,10 @@ retry:
 		printk("Please append a correct \"root=\" boot option; here are the available partitions:\n");
 
 		printk_all_partitions();
+#ifdef CONFIG_DEBUG_BLOCK_EXT_DEVT
+		printk("DEBUG_BLOCK_EXT_DEVT is enabled, you need to specify "
+		       "explicit textual name for \"root=\" boot option.\n");
+#endif
 		panic("VFS: Unable to mount root fs on %s", b);
 	}
 
diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c
index 693d24694a6c..4c87ee1fe5d3 100644
--- a/init/do_mounts_md.c
+++ b/init/do_mounts_md.c
@@ -1,5 +1,6 @@
 
 #include <linux/raid/md.h>
+#include <linux/delay.h>
 
 #include "do_mounts.h"
 
@@ -12,7 +13,12 @@
  * The code for that is here.
  */
 
-static int __initdata raid_noautodetect, raid_autopart;
+#ifdef CONFIG_MD_AUTODETECT
+static int __initdata raid_noautodetect;
+#else
+static int __initdata raid_noautodetect=1;
+#endif
+static int __initdata raid_autopart;
 
 static struct {
 	int minor;
@@ -252,6 +258,8 @@ static int __init raid_setup(char *str)
 
 		if (!strncmp(str, "noautodetect", wlen))
 			raid_noautodetect = 1;
+		if (!strncmp(str, "autodetect", wlen))
+			raid_noautodetect = 0;
 		if (strncmp(str, "partitionable", wlen)==0)
 			raid_autopart = 1;
 		if (strncmp(str, "part", wlen)==0)
@@ -264,17 +272,32 @@ static int __init raid_setup(char *str)
 __setup("raid=", raid_setup);
 __setup("md=", md_setup);
 
+static void autodetect_raid(void)
+{
+	int fd;
+
+	/*
+	 * Since we don't want to detect and use half a raid array, we need to
+	 * wait for the known devices to complete their probing
+	 */
+	printk(KERN_INFO "md: Waiting for all devices to be available before autodetect\n");
+	printk(KERN_INFO "md: If you don't use raid, use raid=noautodetect\n");
+	while (driver_probe_done() < 0)
+		msleep(100);
+	fd = sys_open("/dev/md0", 0, 0);
+	if (fd >= 0) {
+		sys_ioctl(fd, RAID_AUTORUN, raid_autopart);
+		sys_close(fd);
+	}
+}
+
 void __init md_run_setup(void)
 {
 	create_dev("/dev/md0", MKDEV(MD_MAJOR, 0));
+
 	if (raid_noautodetect)
-		printk(KERN_INFO "md: Skipping autodetection of RAID arrays. (raid=noautodetect)\n");
-	else {
-		int fd = sys_open("/dev/md0", 0, 0);
-		if (fd >= 0) {
-			sys_ioctl(fd, RAID_AUTORUN, raid_autopart);
-			sys_close(fd);
-		}
-	}
+		printk(KERN_INFO "md: Skipping autodetection of RAID arrays. (raid=autodetect will force)\n");
+	else
+		autodetect_raid();
 	md_setup_drive();
 }
diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index fedef93b586f..a7c748fa977a 100644
--- a/init/do_mounts_rd.c
+++ b/init/do_mounts_rd.c
@@ -71,7 +71,7 @@ identify_ramdisk_image(int fd, int start_block)
 	sys_read(fd, buf, size);
 
 	/*
-	 * If it matches the gzip magic numbers, return -1
+	 * If it matches the gzip magic numbers, return 0
 	 */
 	if (buf[0] == 037 && ((buf[1] == 0213) || (buf[1] == 0236))) {
 		printk(KERN_NOTICE
diff --git a/init/initramfs.c b/init/initramfs.c
index 644fc01ad5f0..4f5ba75aaa7c 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -6,6 +6,7 @@
 #include <linux/delay.h>
 #include <linux/string.h>
 #include <linux/syscalls.h>
+#include <linux/utime.h>
 
 static __initdata char *message;
 static void __init error(char *x)
@@ -72,6 +73,49 @@ static void __init free_hash(void)
 	}
 }
 
+static long __init do_utime(char __user *filename, time_t mtime)
+{
+	struct timespec t[2];
+
+	t[0].tv_sec = mtime;
+	t[0].tv_nsec = 0;
+	t[1].tv_sec = mtime;
+	t[1].tv_nsec = 0;
+
+	return do_utimes(AT_FDCWD, filename, t, AT_SYMLINK_NOFOLLOW);
+}
+
+static __initdata LIST_HEAD(dir_list);
+struct dir_entry {
+	struct list_head list;
+	char *name;
+	time_t mtime;
+};
+
+static void __init dir_add(const char *name, time_t mtime)
+{
+	struct dir_entry *de = kmalloc(sizeof(struct dir_entry), GFP_KERNEL);
+	if (!de)
+		panic("can't allocate dir_entry buffer");
+	INIT_LIST_HEAD(&de->list);
+	de->name = kstrdup(name, GFP_KERNEL);
+	de->mtime = mtime;
+	list_add(&de->list, &dir_list);
+}
+
+static void __init dir_utime(void)
+{
+	struct dir_entry *de, *tmp;
+	list_for_each_entry_safe(de, tmp, &dir_list, list) {
+		list_del(&de->list);
+		do_utime(de->name, de->mtime);
+		kfree(de->name);
+		kfree(de);
+	}
+}
+
+static __initdata time_t mtime;
+
 /* cpio header parsing */
 
 static __initdata unsigned long ino, major, minor, nlink;
@@ -97,6 +141,7 @@ static void __init parse_header(char *s)
 	uid = parsed[2];
 	gid = parsed[3];
 	nlink = parsed[4];
+	mtime = parsed[5];
 	body_len = parsed[6];
 	major = parsed[7];
 	minor = parsed[8];
@@ -130,6 +175,7 @@ static inline void __init eat(unsigned n)
 	count -= n;
 }
 
+static __initdata char *vcollected;
 static __initdata char *collected;
 static __initdata int remains;
 static __initdata char *collect;
@@ -271,6 +317,7 @@ static int __init do_name(void)
 			if (wfd >= 0) {
 				sys_fchown(wfd, uid, gid);
 				sys_fchmod(wfd, mode);
+				vcollected = kstrdup(collected, GFP_KERNEL);
 				state = CopyFile;
 			}
 		}
@@ -278,12 +325,14 @@ static int __init do_name(void)
 		sys_mkdir(collected, mode);
 		sys_chown(collected, uid, gid);
 		sys_chmod(collected, mode);
+		dir_add(collected, mtime);
 	} else if (S_ISBLK(mode) || S_ISCHR(mode) ||
 		   S_ISFIFO(mode) || S_ISSOCK(mode)) {
 		if (maybe_link() == 0) {
 			sys_mknod(collected, mode, rdev);
 			sys_chown(collected, uid, gid);
 			sys_chmod(collected, mode);
+			do_utime(collected, mtime);
 		}
 	}
 	return 0;
@@ -294,6 +343,8 @@ static int __init do_copy(void)
 	if (count >= body_len) {
 		sys_write(wfd, victim, body_len);
 		sys_close(wfd);
+		do_utime(vcollected, mtime);
+		kfree(vcollected);
 		eat(body_len);
 		state = SkipIt;
 		return 0;
@@ -311,6 +362,7 @@ static int __init do_symlink(void)
 	clean_path(collected, 0);
 	sys_symlink(collected + N_ALIGN(name_len), collected);
 	sys_lchown(collected, uid, gid);
+	do_utime(collected, mtime);
 	state = SkipIt;
 	next_state = Reset;
 	return 0;
@@ -466,6 +518,7 @@ static char * __init unpack_to_rootfs(char *buf, unsigned len, int check_only)
 		buf += inptr;
 		len -= inptr;
 	}
+	dir_utime();
 	kfree(window);
 	kfree(name_buf);
 	kfree(symlink_buf);
diff --git a/init/main.c b/init/main.c
index f6f7042331dc..27f6bf6108e9 100644
--- a/init/main.c
+++ b/init/main.c
@@ -708,7 +708,7 @@ int do_one_initcall(initcall_t fn)
 	int result;
 
 	if (initcall_debug) {
-		print_fn_descriptor_symbol("calling  %s\n", fn);
+		printk("calling  %pF @ %i\n", fn, task_pid_nr(current));
 		t0 = ktime_get();
 	}
 
@@ -718,8 +718,8 @@ int do_one_initcall(initcall_t fn)
 		t1 = ktime_get();
 		delta = ktime_sub(t1, t0);
 
-		print_fn_descriptor_symbol("initcall %s", fn);
-		printk(" returned %d after %Ld msecs\n", result,
+		printk("initcall %pF returned %d after %Ld msecs\n",
+			fn, result,
 			(unsigned long long) delta.tv64 >> 20);
 	}
 
@@ -737,8 +737,7 @@ int do_one_initcall(initcall_t fn)
 		local_irq_enable();
 	}
 	if (msgbuf[0]) {
-		print_fn_descriptor_symbol(KERN_WARNING "initcall %s", fn);
-		printk(" returned with %s\n", msgbuf);
+		printk("initcall %pF returned with %s\n", fn, msgbuf);
 	}
 
 	return result;