Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (27 commits)
  [S390] Fix checkstack for s390
  [S390] fix initialization of stp
  [S390] 3215: Remove tasklet.
  [S390] console flush on panic / reboot
  [S390] introduce dirty bit for kvm live migration
  [S390] Add ioctl support for EMC Symmetrix Subsystem Control I/O
  [S390] xpram: per device block request queues.
  [S390] dasd: fix message flood for unsolicited interrupts
  [S390] Move private simple udelay function to arch/s390/lib/delay.c.
  [S390] dcssblk: add >2G DCSSs support and stacked contiguous DCSSs support.
  [S390] ptrace changes
  [S390] s390: use sys_pause for 31bit pause entry point
  [S390] qdio enhanced SIGA (iqdio) support.
  [S390] cio: fix cio_tpi.
  [S390] cio: Correct use of ! and &
  [S390] cio: inline assembly cleanup
  [S390] bus_id -> dev_set_name() for css and ccw busses
  [S390] bus_id ->dev_name() conversions in qdio
  [S390] Use s390_root_dev_* in kvm_virtio.
  [S390] more bus_id -> dev_name conversions
  ...

1 files changed, 22 insertions, 2 deletions

diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c
index 7e619c534bf..9a25c4bd142 100644
--- a/drivers/s390/char/sclp_con.c
+++ b/drivers/s390/char/sclp_con.c
@@ -16,6 +16,7 @@
 #include <linux/bootmem.h>
 #include <linux/termios.h>
 #include <linux/err.h>
+#include <linux/reboot.h>
 
 #include "sclp.h"
 #include "sclp_rw.h"
@@ -172,7 +173,7 @@ sclp_console_device(struct console *c, int *index)
  * will be flushed to the SCLP.
  */
 static void
-sclp_console_unblank(void)
+sclp_console_flush(void)
 {
 	unsigned long flags;
 
@@ -188,6 +189,24 @@ sclp_console_unblank(void)
 	spin_unlock_irqrestore(&sclp_con_lock, flags);
 }
 
+static int
+sclp_console_notify(struct notifier_block *self,
+			  unsigned long event, void *data)
+{
+	sclp_console_flush();
+	return NOTIFY_OK;
+}
+
+static struct notifier_block on_panic_nb = {
+	.notifier_call = sclp_console_notify,
+	.priority = 1,
+};
+
+static struct notifier_block on_reboot_nb = {
+	.notifier_call = sclp_console_notify,
+	.priority = 1,
+};
+
 /*
  * used to register the SCLP console to the kernel and to
  * give printk necessary information
@@ -197,7 +216,6 @@ static struct console sclp_console =
 	.name = sclp_console_name,
 	.write = sclp_console_write,
 	.device = sclp_console_device,
-	.unblank = sclp_console_unblank,
 	.flags = CON_PRINTBUFFER,
 	.index = 0 /* ttyS0 */
 };
@@ -241,6 +259,8 @@ sclp_console_init(void)
 	sclp_con_width_htab = 8;
 
 	/* enable printk-access to this driver */
+	atomic_notifier_chain_register(&panic_notifier_list, &on_panic_nb);
+	register_reboot_notifier(&on_reboot_nb);
 	register_console(&sclp_console);
 	return 0;
 }