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authorIngo Molnar <mingo@elte.hu>2009-02-24 18:22:39 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-24 18:22:39 +0100
commita7f4463e0300b5135c0f0caf7c34a0529405f986 (patch)
tree8df5f13094778eff3c8653bcc249cd265378b80a /init
parentc478f8786973d6d7552c652ddad3f6fd86b5af28 (diff)
parent20f4d6c3a2a23c5d7d9cc7f42fbb943ca7a03d1f (diff)
downloadlwn-a7f4463e0300b5135c0f0caf7c34a0529405f986.tar.gz
lwn-a7f4463e0300b5135c0f0caf7c34a0529405f986.zip
Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc6' into tracing/core
Diffstat (limited to 'init')
-rw-r--r--init/do_mounts.c13
-rw-r--r--init/do_mounts_md.c5
2 files changed, 12 insertions, 6 deletions
diff --git a/init/do_mounts.c b/init/do_mounts.c
index 708105e163df..8d4ff5afc1d8 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -370,10 +370,14 @@ void __init prepare_namespace(void)
ssleep(root_delay);
}
- /* wait for the known devices to complete their probing */
- while (driver_probe_done() != 0)
- msleep(100);
- async_synchronize_full();
+ /*
+ * wait for the known devices to complete their probing
+ *
+ * Note: this is a potential source of long boot delays.
+ * For example, it is not atypical to wait 5 seconds here
+ * for the touchpad of a laptop to initialize.
+ */
+ wait_for_device_probe();
md_run_setup();
@@ -399,6 +403,7 @@ void __init prepare_namespace(void)
while (driver_probe_done() != 0 ||
(ROOT_DEV = name_to_dev_t(saved_root_name)) == 0)
msleep(100);
+ async_synchronize_full();
}
is_floppy = MAJOR(ROOT_DEV) == FLOPPY_MAJOR;
diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c
index ff95e3192884..9bdddbcb3d6a 100644
--- a/init/do_mounts_md.c
+++ b/init/do_mounts_md.c
@@ -281,8 +281,9 @@ static void __init autodetect_raid(void)
*/
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);
+
+ wait_for_device_probe();
+
fd = sys_open("/dev/md0", 0, 0);
if (fd >= 0) {
sys_ioctl(fd, RAID_AUTORUN, raid_autopart);