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:
  [S390] dynamic page tables.
  [S390] Add four level page tables for CONFIG_64BIT=y.
  [S390] 1K/2K page table pages.
  [S390] Remove a.out header file.
  [S390] sclp_vt220: Fix vt220 initialization
  [S390] qdio: avoid hang when establishing qdio queues
  [S390] VMEM_MAX_PHYS overflow on 31 bit.
  [S390] zcrypt: Do not start ap poll thread per default
  [S390] Fix __ffs_word_loop/__ffz_word_loop inlnie assembly.
  [S390] Wire up new timerfd syscalls.
  [S390] Update default configuration.

3 files changed, 28 insertions, 25 deletions

diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 68071622d4b..f47f4a768be 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -3,7 +3,7 @@
  *    SCLP VT220 terminal driver.
  *
  *  S390 version
- *    Copyright (C) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Copyright IBM Corp. 2003,2008
  *    Author(s): Peter Oberparleiter <Peter.Oberparleiter@de.ibm.com>
  */
 
@@ -632,6 +632,9 @@ static void __init __sclp_vt220_cleanup(void)
 		else
 			free_bootmem((unsigned long) page, PAGE_SIZE);
 	}
+	if (!list_empty(&sclp_vt220_register.list))
+		sclp_unregister(&sclp_vt220_register);
+	sclp_vt220_initialized = 0;
 }
 
 static int __init __sclp_vt220_init(void)
@@ -639,6 +642,7 @@ static int __init __sclp_vt220_init(void)
 	void *page;
 	int i;
 	int num_pages;
+	int rc;
 
 	if (sclp_vt220_initialized)
 		return 0;
@@ -667,7 +671,14 @@ static int __init __sclp_vt220_init(void)
 		}
 		list_add_tail((struct list_head *) page, &sclp_vt220_empty);
 	}
-	return 0;
+	rc = sclp_register(&sclp_vt220_register);
+	if (rc) {
+		printk(KERN_ERR SCLP_VT220_PRINT_HEADER
+		       "could not register vt220 - "
+		       "sclp_register returned %d\n", rc);
+		__sclp_vt220_cleanup();
+	}
+	return rc;
 }
 
 static const struct tty_operations sclp_vt220_ops = {
@@ -688,22 +699,17 @@ static int __init sclp_vt220_tty_init(void)
 {
 	struct tty_driver *driver;
 	int rc;
+	int cleanup;
 
 	/* Note: we're not testing for CONSOLE_IS_SCLP here to preserve
 	 * symmetry between VM and LPAR systems regarding ttyS1. */
 	driver = alloc_tty_driver(1);
 	if (!driver)
 		return -ENOMEM;
+	cleanup = !sclp_vt220_initialized;
 	rc = __sclp_vt220_init();
 	if (rc)
 		goto out_driver;
-	rc = sclp_register(&sclp_vt220_register);
-	if (rc) {
-		printk(KERN_ERR SCLP_VT220_PRINT_HEADER
-		       "could not register tty - "
-		       "sclp_register returned %d\n", rc);
-		goto out_init;
-	}
 
 	driver->owner = THIS_MODULE;
 	driver->driver_name = SCLP_VT220_DRIVER_NAME;
@@ -721,15 +727,14 @@ static int __init sclp_vt220_tty_init(void)
 		printk(KERN_ERR SCLP_VT220_PRINT_HEADER
 		       "could not register tty - "
 		       "tty_register_driver returned %d\n", rc);
-		goto out_sclp;
+		goto out_init;
 	}
 	sclp_vt220_driver = driver;
 	return 0;
 
-out_sclp:
-	sclp_unregister(&sclp_vt220_register);
 out_init:
-	__sclp_vt220_cleanup();
+	if (cleanup)
+		__sclp_vt220_cleanup();
 out_driver:
 	put_tty_driver(driver);
 	return rc;
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index e2a781b6b21..097fc0967e9 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -3189,13 +3189,11 @@ qdio_establish(struct qdio_initialize *init_data)
 	spin_lock_irqsave(get_ccwdev_lock(cdev),saveflags);
 
 	ccw_device_set_options_mask(cdev, 0);
-	result=ccw_device_start_timeout(cdev,&irq_ptr->ccw,
-					QDIO_DOING_ESTABLISH,0, 0,
-					QDIO_ESTABLISH_TIMEOUT);
+	result = ccw_device_start(cdev, &irq_ptr->ccw,
+				QDIO_DOING_ESTABLISH, 0, 0);
 	if (result) {
-		result2=ccw_device_start_timeout(cdev,&irq_ptr->ccw,
-						 QDIO_DOING_ESTABLISH,0,0,
-						 QDIO_ESTABLISH_TIMEOUT);
+		result2 = ccw_device_start(cdev, &irq_ptr->ccw,
+					QDIO_DOING_ESTABLISH, 0, 0);
 		sprintf(dbf_text,"eq:io%4x",result);
 		QDIO_DBF_TEXT2(1,setup,dbf_text);
 		if (result2) {
@@ -3219,10 +3217,10 @@ qdio_establish(struct qdio_initialize *init_data)
 		return result;
 	}
 	
-	/* Timeout is cared for already by using ccw_device_start_timeout(). */
-	wait_event_interruptible(cdev->private->wait_q,
-		 irq_ptr->state == QDIO_IRQ_STATE_ESTABLISHED ||
-		 irq_ptr->state == QDIO_IRQ_STATE_ERR);
+	wait_event_interruptible_timeout(cdev->private->wait_q,
+		irq_ptr->state == QDIO_IRQ_STATE_ESTABLISHED ||
+		irq_ptr->state == QDIO_IRQ_STATE_ERR,
+		QDIO_ESTABLISH_TIMEOUT);
 
 	if (irq_ptr->state == QDIO_IRQ_STATE_ESTABLISHED)
 		result = 0;
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 67aaff3e668..d0c6fd3b1c1 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -61,9 +61,9 @@ module_param_named(domain, ap_domain_index, int, 0000);
 MODULE_PARM_DESC(domain, "domain index for ap devices");
 EXPORT_SYMBOL(ap_domain_index);
 
-static int ap_thread_flag = 1;
+static int ap_thread_flag = 0;
 module_param_named(poll_thread, ap_thread_flag, int, 0000);
-MODULE_PARM_DESC(poll_thread, "Turn on/off poll thread, default is 1 (on).");
+MODULE_PARM_DESC(poll_thread, "Turn on/off poll thread, default is 0 (off).");
 
 static struct device *ap_root_device = NULL;
 static DEFINE_SPINLOCK(ap_device_lock);