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initramfs: prevent initramfs printk message being split by messages from other code. 

initramfs uses printk without a linefeed, then does some work, then uses
printk to finish the message off.  However if some other code does a
printk in between, then the messages get mixed together.  Better for each
message to be an independent line...

Example of problem that this fixes:

    checking if image is initramfs...<7>Switched to high resolution mode on CPU 1
    Switched to high resolution mode on CPU 0
    it is

Signed-off-by: Simon Kitching <skitching@apache.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Simon Kitching 2009-04-02 16:57:00 -07:00 committed by Linus Torvalds
parent 6f2c55b843
commit c1c490e017
1 changed files with 4 additions and 3 deletions
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7
init/initramfs.c
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@ -571,11 +571,11 @@ static int __init populate_rootfs(void)
if (initrd_start) {
#ifdef CONFIG_BLK_DEV_RAM
int fd;
printk(KERN_INFO "checking if image is initramfs...");
printk(KERN_INFO "checking if image is initramfs...\n");
err = unpack_to_rootfs((char *)initrd_start,
initrd_end - initrd_start);
if (!err) {
printk(" it is\n");
printk(KERN_INFO "rootfs image is initramfs; unpacking...\n");
free_initrd();
return 0;
} else {
@ -583,7 +583,8 @@ static int __init populate_rootfs(void)
unpack_to_rootfs(__initramfs_start,
__initramfs_end - __initramfs_start);
}
printk("it isn't (%s); looks like an initrd\n", err);
printk(KERN_INFO "rootfs image is not initramfs (%s)"
"; looks like an initrd\n", err);
fd = sys_open("/initrd.image", O_WRONLY|O_CREAT, 0700);
if (fd >= 0) {
sys_write(fd, (char *)initrd_start,