update kernel

1 files changed, 0 insertions, 263 deletions

diff --git a/target/linux/patches/3.12.11/uuid.patch b/target/linux/patches/3.12.11/uuid.patch
deleted file mode 100644
index ca23accdf..000000000
--- a/target/linux/patches/3.12.11/uuid.patch
+++ /dev/null
@@ -1,263 +0,0 @@
-diff -Nur linux-3.4.2.orig/block/genhd.c linux-3.4.2/block/genhd.c
---- linux-3.4.2.orig/block/genhd.c	2012-06-09 17:36:33.000000000 +0200
-+++ linux-3.4.2/block/genhd.c	2012-06-15 18:19:16.000000000 +0200
-@@ -33,7 +33,7 @@
- static DEFINE_MUTEX(ext_devt_mutex);
- static DEFINE_IDR(ext_devt_idr);
- 
--static struct device_type disk_type;
-+struct device_type disk_type;
- 
- static void disk_alloc_events(struct gendisk *disk);
- static void disk_add_events(struct gendisk *disk);
-@@ -1122,7 +1122,7 @@
- 	return NULL;
- }
- 
--static struct device_type disk_type = {
-+struct device_type disk_type = {
- 	.name		= "disk",
- 	.groups		= disk_attr_groups,
- 	.release	= disk_release,
-diff -Nur linux-3.4.2.orig/init/do_mounts.c linux-3.4.2/init/do_mounts.c
---- linux-3.4.2.orig/init/do_mounts.c	2012-06-09 17:36:33.000000000 +0200
-+++ linux-3.4.2/init/do_mounts.c	2012-06-15 18:20:11.000000000 +0200
-@@ -21,6 +21,7 @@
- #include <linux/nfs_fs_sb.h>
- #include <linux/nfs_mount.h>
- 
-+#include "../fs/ext2/ext2.h"
- #include "do_mounts.h"
- 
- int __initdata rd_doload;	/* 1 = load RAM disk, 0 = don't load */
-@@ -32,6 +33,132 @@
- 
- dev_t ROOT_DEV;
- 
-+#ifdef CONFIG_EXT2_FS
-+/* support for root=UUID=ce40d6b2-18eb-4a75-aefe-7ddb0995ce63 bootargs */
-+
-+#include <linux/ext2_fs.h>
-+
-+__u8 root_dev_uuid[16];
-+int root_dev_type;	/* 0 = normal (/dev/hda1, 0301); 1 = UUID; 3 = bad */
-+
-+/* imported from block/genhd.c after removing its static qualifier */
-+extern struct device_type disk_type;
-+
-+/* helper function */
-+static __u8 __init fromhex(char c)
-+{
-+	if (c >= '0' && c <= '9')
-+		return (c - '0');
-+	c &= ~32;
-+	if (c >= 'A' && c <= 'F')
-+		return (c - 'A' + 10);
-+	return (0xFF);
-+}
-+
-+static void __init parse_uuid(const char *s)
-+{
-+	int i;
-+	__u8 j, k;
-+
-+	if (strlen(s) != 36 || s[8] != '-' || s[13] != '-' ||
-+	    s[18] != '-' || s[23] != '-')
-+		goto bad_uuid;
-+	for (i = 0; i < 16; i++) {
-+		if (*s == '-')
-+			++s;
-+		j = fromhex(*s++);
-+		k = fromhex(*s++);
-+		if (j == 0xFF || k == 0xFF)
-+			goto bad_uuid;
-+		root_dev_uuid[i] = (j << 4) | k;
-+	}
-+	return;
-+ bad_uuid:
-+	/* we cannot panic here, defer */
-+	root_dev_type = 3;
-+}
-+
-+/* from drivers/md/md.c */
-+static void __init initcode_bi_complete(struct bio *bio, int error)
-+{
-+	complete((struct completion*)bio->bi_private);
-+}
-+
-+static int __init initcode_sync_page_read(struct block_device *bdev,
-+    sector_t sector, int size, struct page *page)
-+{
-+	struct bio *bio = bio_alloc(GFP_NOIO, 1);
-+	struct completion event;
-+	int ret, rw = READ;
-+
-+	rw |= REQ_SYNC;
-+
-+	bio->bi_bdev = bdev;
-+	bio->bi_sector = sector;
-+	bio_add_page(bio, page, size, 0);
-+	init_completion(&event);
-+	bio->bi_private = &event;
-+	bio->bi_end_io = initcode_bi_complete;
-+	submit_bio(rw, bio);
-+	wait_for_completion(&event);
-+
-+	ret = test_bit(BIO_UPTODATE, &bio->bi_flags);
-+	bio_put(bio);
-+	/* 0 = failure */
-+	return ret;
-+}
-+
-+/* most of this taken from fs/ext2/super.c */
-+static int __init check_dev(struct gendisk *thedisk, dev_t devt,
-+    int blocksize, struct page *page)
-+{
-+	struct ext2_super_block * es;
-+	struct block_device *bdev;
-+	unsigned long sb_block = 1;
-+	unsigned long logic_sb_block;
-+	unsigned long offset = 0;
-+	int rv = /* not found */ 0;
-+	char bff[22];
-+
-+	bdev = bdget(devt);
-+	if (blkdev_get(bdev, FMODE_READ, NULL)) {
-+		printk(KERN_ERR "VFS: opening block device %s failed!\n",
-+		    format_dev_t(bff, devt));
-+		return (0);
-+	}
-+
-+	if (blocksize != BLOCK_SIZE) {
-+		logic_sb_block = (sb_block*BLOCK_SIZE) / blocksize;
-+		offset = (sb_block*BLOCK_SIZE) % blocksize;
-+	} else {
-+		logic_sb_block = sb_block;
-+	}
-+
-+//	printk(KERN_ERR "D: attempting to read %d @%lu from "
-+//	    "bdev %p devt %08X %s\n", blocksize, logic_sb_block,
-+//	    bdev, devt, format_dev_t(bff, devt));
-+	if (!initcode_sync_page_read(bdev, logic_sb_block, blocksize, page)) {
-+//		printk(KERN_ERR "D: failed!\n");
-+		goto out;
-+	}
-+	es = (struct ext2_super_block *)(((char *)page_address(page)) + offset);
-+	if (le16_to_cpu(es->s_magic) == EXT2_SUPER_MAGIC) {
-+//		printk(KERN_ERR "D: has uuid "
-+//		    "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X\n",
-+//		    es->s_uuid[0], es->s_uuid[1], es->s_uuid[2], es->s_uuid[3],
-+//		    es->s_uuid[4], es->s_uuid[5], es->s_uuid[6], es->s_uuid[7],
-+//		    es->s_uuid[8], es->s_uuid[9], es->s_uuid[10], es->s_uuid[11],
-+//		    es->s_uuid[12], es->s_uuid[13], es->s_uuid[14], es->s_uuid[15]);
-+		if (!memcmp(es->s_uuid, root_dev_uuid, 16))
-+			rv = /* found */ 1;
-+	}
-+//	  else printk(KERN_ERR "D: bad ext2fs magic\n");
-+ out:
-+	blkdev_put(bdev, FMODE_READ);
-+	return (rv);
-+}
-+#endif /* CONFIG_EXT2_FS for UUID support */
-+
- static int __init load_ramdisk(char *str)
- {
- 	rd_doload = simple_strtol(str,NULL,0) & 3;
-@@ -256,6 +383,13 @@
- static int __init root_dev_setup(char *line)
- {
- 	strlcpy(saved_root_name, line, sizeof(saved_root_name));
-+#ifdef CONFIG_EXT2_FS
-+	root_dev_type = 0;
-+	if (!strncmp(line, "UUID=", 5)) {
-+		root_dev_type = 1;
-+		parse_uuid(line + 5);
-+	}
-+#endif /* CONFIG_EXT2_FS for UUID support */
- 	return 1;
- }
- 
-@@ -471,6 +605,83 @@
- 
- void __init mount_root(void)
- {
-+#ifdef CONFIG_EXT2_FS
-+	/* UUID support */
-+//	printk_all_partitions();
-+	if (root_dev_type == 1) {
-+		int blocksize;
-+
-+		/* from block/genhd.c printk_all_partitions */
-+		struct class_dev_iter iter;
-+		struct device *dev;
-+
-+		/* from drivers/md/md.c */
-+		struct page *sb_page;
-+
-+		if (!(sb_page = alloc_page(GFP_KERNEL))) {
-+			printk(KERN_ERR "VFS: no memory for bio page\n");
-+			goto nomemforbio;
-+		}
-+
-+//		printk(KERN_ERR "D: root is: "
-+//		    "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X\n",
-+//		    root_dev_uuid[0], root_dev_uuid[1], root_dev_uuid[2], root_dev_uuid[3],
-+//		    root_dev_uuid[4], root_dev_uuid[5], root_dev_uuid[6], root_dev_uuid[7],
-+//		    root_dev_uuid[8], root_dev_uuid[9], root_dev_uuid[10], root_dev_uuid[11],
-+//		    root_dev_uuid[12], root_dev_uuid[13], root_dev_uuid[14], root_dev_uuid[15]);
-+		/* from block/genhd.c printk_all_partitions */
-+//		printk(KERN_ERR "D: begin iter\n");
-+		class_dev_iter_init(&iter, &block_class, NULL, &disk_type);
-+		while (root_dev_type && (dev = class_dev_iter_next(&iter))) {
-+//			char bff[22];
-+			struct gendisk *disk = dev_to_disk(dev);
-+			struct disk_part_iter piter;
-+			struct hd_struct *part;
-+			if (get_capacity(disk) == 0 ||
-+			    (disk->flags & GENHD_FL_SUPPRESS_PARTITION_INFO)) {
-+//				printk(KERN_ERR "D: ignoring\n");
-+				continue;
-+			}
-+			blocksize = queue_logical_block_size(disk->queue);
-+//			printk(KERN_ERR "D: gendisk, blocksize %d "
-+//			    "name '%s' devt %08X %s #part %d\n", blocksize,
-+//			    disk->disk_name, dev->devt,
-+//			    format_dev_t(bff, dev->devt),
-+//			    disk_max_parts(disk));
-+			disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0);
-+			while (root_dev_type && (part = disk_part_iter_next(&piter))) {
-+				/* avoid empty or too small partitions */
-+//				printk(KERN_ERR "D: part #%d start %llu "
-+//				    "nr %llu\n", part->partno,
-+//				    (__u64)part->start_sect,
-+//				    (__u64)part->nr_sects);
-+				if (part->nr_sects < 8)
-+					continue;
-+				if (check_dev(disk, MKDEV(MAJOR(dev->devt),
-+				    MINOR(dev->devt) + part->partno),
-+				    blocksize, sb_page)) {
-+					ROOT_DEV = part_devt(part);
-+//					printk(KERN_ERR "D: got match!\n");
-+					// comment out below for debugging
-+					root_dev_type = 0;
-+				}
-+			}
-+			disk_part_iter_exit(&piter);
-+		}
-+//		printk(KERN_ERR "D: end iter\n");
-+		class_dev_iter_exit(&iter);
-+		put_page(sb_page);
-+	}
-+ nomemforbio:
-+	if (root_dev_type == 1)
-+		printk(KERN_ERR "VFS: Unable to find root by UUID %s.\n",
-+		    saved_root_name + 5);
-+	else if (root_dev_type == 3)
-+		/* execute deferred panic from parse_uuid */
-+		panic("Badly formatted UUID %s was supplied as kernel "
-+		    "parameter root", saved_root_name + 5);
-+#endif /* CONFIG_EXT2_FS for UUID support */
-+
- #ifdef CONFIG_ROOT_NFS
- 	if (ROOT_DEV == Root_NFS) {
- 		if (mount_nfs_root())