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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-11 12:12:04 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-11 12:12:04 -0800
commit8d610dd52dd1da696e199e4b4545f33a2a5de5c6 (patch)
tree8b2eee4dac34ff5f1374225ccba3fedb8432b579
parent8993780a6e44fb4e7ed34e33458506a775356c6e (diff)
downloadlinux-2.6.38-lt-ux500-8d610dd52dd1da696e199e4b4545f33a2a5de5c6.tar.gz
Make sure we populate the initroot filesystem late enough
We should not initialize rootfs before all the core initializers have run. So do it as a separate stage just before starting the regular driver initializers. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--include/asm-generic/vmlinux.lds.h1
-rw-r--r--include/linux/init.h1
-rw-r--r--init/initramfs.c6
-rw-r--r--init/main.c7
4 files changed, 6 insertions, 9 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 6e9fcebbf89..7437ccaada7 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -242,6 +242,7 @@
*(.initcall4s.init) \
*(.initcall5.init) \
*(.initcall5s.init) \
+ *(.initcallrootfs.init) \
*(.initcall6.init) \
*(.initcall6s.init) \
*(.initcall7.init) \
diff --git a/include/linux/init.h b/include/linux/init.h
index 5eb5d24b768..5a593a1dec1 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -111,6 +111,7 @@ extern void setup_arch(char **);
#define subsys_initcall_sync(fn) __define_initcall("4s",fn,4s)
#define fs_initcall(fn) __define_initcall("5",fn,5)
#define fs_initcall_sync(fn) __define_initcall("5s",fn,5s)
+#define rootfs_initcall(fn) __define_initcall("rootfs",fn,rootfs)
#define device_initcall(fn) __define_initcall("6",fn,6)
#define device_initcall_sync(fn) __define_initcall("6s",fn,6s)
#define late_initcall(fn) __define_initcall("7",fn,7)
diff --git a/init/initramfs.c b/init/initramfs.c
index 85f04037ade..4fa0f7977de 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -526,7 +526,7 @@ static void __init free_initrd(void)
#endif
-void __init populate_rootfs(void)
+static int __init populate_rootfs(void)
{
char *err = unpack_to_rootfs(__initramfs_start,
__initramfs_end - __initramfs_start, 0);
@@ -544,7 +544,7 @@ void __init populate_rootfs(void)
unpack_to_rootfs((char *)initrd_start,
initrd_end - initrd_start, 0);
free_initrd();
- return;
+ return 0;
}
printk("it isn't (%s); looks like an initrd\n", err);
fd = sys_open("/initrd.image", O_WRONLY|O_CREAT, 0700);
@@ -565,4 +565,6 @@ void __init populate_rootfs(void)
#endif
}
#endif
+ return 0;
}
+rootfs_initcall(populate_rootfs);
diff --git a/init/main.c b/init/main.c
index fcd9ddc3ccf..e3f0bb20b4d 100644
--- a/init/main.c
+++ b/init/main.c
@@ -94,7 +94,6 @@ extern void pidmap_init(void);
extern void prio_tree_init(void);
extern void radix_tree_init(void);
extern void free_initmem(void);
-extern void populate_rootfs(void);
extern void driver_init(void);
extern void prepare_namespace(void);
#ifdef CONFIG_ACPI
@@ -745,12 +744,6 @@ static int init(void * unused)
cpuset_init_smp();
- /*
- * Do this before initcalls, because some drivers want to access
- * firmware files.
- */
- populate_rootfs();
-
do_basic_setup();
/*