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

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] Use strim instead of strstrip to avoid false warnings.
[S390] qdio: add counter for input queue full condition
[S390] qdio: remove superfluous log entries and WARN_ONs.
[S390] ptrace: dont abuse PT_PTRACED
[S390] cio: fix channel path vary
[S390] drivers: Correct size given to memset
[S390] tape: Add pr_fmt() macro to all tape source files
[S390] rename NT_PRXSTATUS to NT_S390_HIGHREGS
[S390] tty: PTR_ERR return of wrong pointer in fs3270_open()
[S390] s390: PTR_ERR return of wrong pointer in fallback_init_cip()
[S390] dasd: PTR_ERR return of wrong pointer in
[S390] dasd: move dasd-diag kmsg to dasd
[S390] cio: fix drvdata usage for the console subchannel
[S390] wire up sys_recvmmsg

arch/s390/crypto/aes_s390.c

···
 	if (IS_ERR(sctx->fallback.cip)) {
 		pr_err("Allocating AES fallback algorithm %s failed\n",
 		       name);
-		return PTR_ERR(sctx->fallback.blk);
+		return PTR_ERR(sctx->fallback.cip);
 	}
 
 	return 0;

arch/s390/hypfs/hypfs_diag.c

···
 		       LPAR_NAME_LEN);
 	EBCASC(name, LPAR_NAME_LEN);
 	name[LPAR_NAME_LEN] = 0;
-	strstrip(name);
+	strim(name);
 }
 
 struct cpu_info {
···
 	memcpy(name, diag224_cpu_names + ((index + 1) * CPU_NAME_LEN),
 		CPU_NAME_LEN);
 	name[CPU_NAME_LEN] = 0;
-	strstrip(name);
+	strim(name);
 	return 0;
 }
 

arch/s390/hypfs/hypfs_vm.c

···
 	/* guest dir */
 	memcpy(guest_name, data->guest_name, NAME_LEN);
 	EBCASC(guest_name, NAME_LEN);
-	strstrip(guest_name);
+	strim(guest_name);
 	guest_dir = hypfs_mkdir(sb, systems_dir, guest_name);
 	if (IS_ERR(guest_dir))
 		return PTR_ERR(guest_dir);

arch/s390/include/asm/unistd.h

···
 #define	__NR_pwritev		329
 #define __NR_rt_tgsigqueueinfo	330
 #define __NR_perf_event_open	331
-#define NR_syscalls 332
+#define __NR_recvmmsg		332
+#define NR_syscalls 333
 
 /* 
  * There are some system calls that are not present on 64 bit, some

arch/s390/kernel/compat_wrapper.S

···
 	llgtr	%r3,%r3			# compat_uptr_t *
 	llgtr	%r4,%r4			# compat_uptr_t *
 	jg	sys32_execve		# branch to system call
+
+	.globl	compat_sys_recvmmsg_wrapper
+compat_sys_recvmmsg_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# struct compat_mmsghdr *
+	llgfr	%r4,%r4			# unsigned int
+	llgfr	%r5,%r5			# unsigned int
+	llgtr	%r6,%r6			# struct compat_timespec *
+	jg	compat_sys_recvmmsg

arch/s390/kernel/ipl.c

···
 		const char *buf, size_t len)				\
 {									\
 	strncpy(_value, buf, sizeof(_value) - 1);			\
-	strstrip(_value);						\
+	strim(_value);							\
 	return len;							\
 }									\
 static struct kobj_attribute sys_##_prefix##_##_name##_attr =		\
···
 		return sprintf(page, "#unknown#\n");
 	memcpy(loadparm, &sclp_ipl_info.loadparm, LOADPARM_LEN);
 	EBCASC(loadparm, LOADPARM_LEN);
-	strstrip(loadparm);
+	strim(loadparm);
 	return sprintf(page, "%s\n", loadparm);
 }
 
···
 	memcpy(loadparm, ibp->ipl_info.ccw.load_parm, LOADPARM_LEN);
 	EBCASC(loadparm, LOADPARM_LEN);
 	loadparm[LOADPARM_LEN] = 0;
-	strstrip(loadparm);
+	strim(loadparm);
 }
 
 static ssize_t reipl_generic_loadparm_show(struct ipl_parameter_block *ipb,

arch/s390/kernel/ptrace.c

···
 		.set = s390_fpregs_set,
 	},
 	[REGSET_GENERAL_EXTENDED] = {
-		.core_note_type = NT_PRXSTATUS,
+		.core_note_type = NT_S390_HIGH_GPRS,
 		.n = sizeof(s390_compat_regs_high) / sizeof(compat_long_t),
 		.size = sizeof(compat_long_t),
 		.align = sizeof(compat_long_t),

arch/s390/kernel/syscalls.S

···
 SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev_wrapper)
 SYSCALL(sys_rt_tgsigqueueinfo,sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo_wrapper) /* 330 */
 SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper)
+SYSCALL(sys_recvmmsg,sys_recvmmsg,compat_sys_recvmmsg_wrapper)

arch/s390/kernel/traps.c

···
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/errno.h>
-#include <linux/ptrace.h>
+#include <linux/tracehook.h>
 #include <linux/timer.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
···
 					SIGTRAP) == NOTIFY_STOP){
 		return;
 	}
-	if ((current->ptrace & PT_PTRACED) != 0)
+	if (tracehook_consider_fatal_signal(current, SIGTRAP))
 		force_sig(SIGTRAP, current);
 }
 
···
 		if (get_user(*((__u16 *) opcode), (__u16 __user *) location))
 			return;
 		if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) {
-			if (current->ptrace & PT_PTRACED)
+			if (tracehook_consider_fatal_signal(current, SIGTRAP))
 				force_sig(SIGTRAP, current);
 			else
 				signal = SIGILL;

drivers/s390/block/dasd_alias.c

···
 		spin_unlock_irqrestore(&aliastree.lock, flags);
 		newlcu = _allocate_lcu(uid);
 		if (IS_ERR(newlcu))
-			return PTR_ERR(lcu);
+			return PTR_ERR(newlcu);
 		spin_lock_irqsave(&aliastree.lock, flags);
 		lcu = _find_lcu(server, uid);
 		if (!lcu) {

drivers/s390/block/dasd_diag.c

···
  *
  */
 
-#define KMSG_COMPONENT "dasd-diag"
+#define KMSG_COMPONENT "dasd"
 
 #include <linux/stddef.h>
 #include <linux/kernel.h>
···
 	rc = mdsk_init_io(device, device->block->bp_block, 0, NULL);
 	if (rc == 4) {
 		if (!(device->features & DASD_FEATURE_READONLY)) {
-			dev_warn(&device->cdev->dev,
-				 "The access mode of a DIAG device changed"
-				 " to read-only");
+			pr_warning("%s: The access mode of a DIAG device "
+				   "changed to read-only\n",
+				   dev_name(&device->cdev->dev));
 			device->features |= DASD_FEATURE_READONLY;
 		}
 		rc = 0;
 	}
 	if (rc)
-		dev_warn(&device->cdev->dev, "DIAG ERP failed with "
-			    "rc=%d\n", rc);
+		pr_warning("%s: DIAG ERP failed with "
+			    "rc=%d\n", dev_name(&device->cdev->dev), rc);
 }
 
 /* Start a given request at the device. Return zero on success, non-zero
···
 		private->pt_block = 2;
 		break;
 	default:
-		dev_warn(&device->cdev->dev, "Device type %d is not supported "
-			    "in DIAG mode\n", private->rdc_data.vdev_class);
+		pr_warning("%s: Device type %d is not supported "
+			   "in DIAG mode\n", dev_name(&device->cdev->dev),
+			   private->rdc_data.vdev_class);
 		rc = -EOPNOTSUPP;
 		goto out;
 	}
···
 		private->iob.flaga = DASD_DIAG_FLAGA_DEFAULT;
 		rc = dia250(&private->iob, RW_BIO);
 		if (rc == 3) {
-			dev_warn(&device->cdev->dev,
-				"A 64-bit DIAG call failed\n");
+			pr_warning("%s: A 64-bit DIAG call failed\n",
+				   dev_name(&device->cdev->dev));
 			rc = -EOPNOTSUPP;
 			goto out_label;
 		}
···
 			break;
 	}
 	if (bsize > PAGE_SIZE) {
-		dev_warn(&device->cdev->dev, "Accessing the DASD failed because"
-			 " of an incorrect format (rc=%d)\n", rc);
+		pr_warning("%s: Accessing the DASD failed because of an "
+			   "incorrect format (rc=%d)\n",
+			   dev_name(&device->cdev->dev), rc);
 		rc = -EIO;
 		goto out_label;
 	}
···
 		block->s2b_shift++;
 	rc = mdsk_init_io(device, block->bp_block, 0, NULL);
 	if (rc && (rc != 4)) {
-		dev_warn(&device->cdev->dev, "DIAG initialization "
-			"failed with rc=%d\n", rc);
+		pr_warning("%s: DIAG initialization failed with rc=%d\n",
+			   dev_name(&device->cdev->dev), rc);
 		rc = -EIO;
 	} else {
 		if (rc == 4)
 			device->features |= DASD_FEATURE_READONLY;
-		dev_info(&device->cdev->dev,
-			 "New DASD with %ld byte/block, total size %ld KB%s\n",
-			 (unsigned long) block->bp_block,
-			 (unsigned long) (block->blocks <<
-					  block->s2b_shift) >> 1,
-			 (rc == 4) ? ", read-only device" : "");
+		pr_info("%s: New DASD with %ld byte/block, total size %ld "
+			"KB%s\n", dev_name(&device->cdev->dev),
+			(unsigned long) block->bp_block,
+			(unsigned long) (block->blocks <<
+					 block->s2b_shift) >> 1,
+			(rc == 4) ? ", read-only device" : "");
 		rc = 0;
 	}
 out_label:

drivers/s390/char/fs3270.c

···
 	if (IS_ERR(ib)) {
 		raw3270_put_view(&fp->view);
 		raw3270_del_view(&fp->view);
-		rc = PTR_ERR(fp);
+		rc = PTR_ERR(ib);
 		goto out;
 	}
 	fp->rdbuf = ib;

drivers/s390/char/tape_34xx.c

···
  */
 
 #define KMSG_COMPONENT "tape_34xx"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/module.h>
 #include <linux/init.h>

drivers/s390/char/tape_3590.c

···
  */
 
 #define KMSG_COMPONENT "tape_3590"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/module.h>
 #include <linux/init.h>
···
 		out->type_on_tape = TAPE390_KEKL_TYPE_LABEL;
 	memcpy(out->label, in->label, sizeof(in->label));
 	EBCASC(out->label, sizeof(in->label));
-	strstrip(out->label);
+	strim(out->label);
 }
 
 static void int_to_ext_kekl_pair(struct tape3592_kekl_pair *in,

drivers/s390/char/tape_block.c

···
  */
 
 #define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/fs.h>
 #include <linux/module.h>

drivers/s390/char/tape_char.c

···
  *		 Martin Schwidefsky <[e-mail]>
  */
 
+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/proc_fs.h>

drivers/s390/char/tape_class.c

···
  * Author: Stefan Bader <[e-mail]>
  * Based on simple class device code by Greg K-H
  */
+
+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include "tape_class.h"
 
 MODULE_AUTHOR("Stefan Bader <[e-mail]>");

drivers/s390/char/tape_core.c

···
  */
 
 #define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/module.h>
 #include <linux/init.h>	     // for kernel parameters
 #include <linux/kmod.h>	     // for requesting modules

drivers/s390/char/tape_proc.c

···
  * PROCFS Functions
  */
 
+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/module.h>
 #include <linux/vmalloc.h>
 #include <linux/seq_file.h>

drivers/s390/char/tape_std.c

···
  *		 Stefan Bader <[e-mail]>
  */
 
+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/bio.h>

drivers/s390/cio/ccwreq.c

···
  */
 static void ccwreq_stop(struct ccw_device *cdev, int rc)
 {
-	struct subchannel *sch = to_subchannel(cdev->dev.parent);
 	struct ccw_request *req = &cdev->private->req;
 
 	if (req->done)
···
 	req->done = 1;
 	ccw_device_set_timeout(cdev, 0);
 	memset(&cdev->private->irb, 0, sizeof(struct irb));
-	sch->lpm = sch->schib.pmcw.pam;
 	if (rc && rc != -ENODEV && req->drc)
 		rc = req->drc;
 	req->callback(cdev, req->data, rc);
···
 			continue;
 		}
 		/* Perform start function. */
-		sch->lpm = 0xff;
 		memset(&cdev->private->irb, 0, sizeof(struct irb));
 		rc = cio_start(sch, cp, (u8) req->mask);
 		if (rc == 0) {

drivers/s390/cio/device.c

···
 	sch->driver = &io_subchannel_driver;
 	/* Initialize the ccw_device structure. */
 	cdev->dev.parent= &sch->dev;
+	sch_set_cdev(sch, cdev);
 	io_subchannel_recog(cdev, sch);
 	/* Now wait for the async. recognition to come to an end. */
 	spin_lock_irq(cdev->ccwlock);

drivers/s390/cio/device_pgid.c

···
 	u8 fn;
 
 	/* Use next available path that is not already in correct state. */
-	req->lpm = lpm_adjust(req->lpm, sch->schib.pmcw.pam & ~sch->vpm);
+	req->lpm = lpm_adjust(req->lpm, cdev->private->pgid_todo_mask);
 	if (!req->lpm)
 		goto out_nopath;
 	/* Channel program setup. */
···
 	*p = first;
 }
 
-static u8 pgid_to_vpm(struct ccw_device *cdev)
+static u8 pgid_to_donepm(struct ccw_device *cdev)
 {
 	struct subchannel *sch = to_subchannel(cdev->dev.parent);
 	struct pgid *pgid;
 	int i;
 	int lpm;
-	u8 vpm = 0;
+	u8 donepm = 0;
 
-	/* Set VPM bits for paths which are already in the target state. */
+	/* Set bits for paths which are already in the target state. */
 	for (i = 0; i < 8; i++) {
 		lpm = 0x80 >> i;
 		if ((cdev->private->pgid_valid_mask & lpm) == 0)
···
 			if (pgid->inf.ps.state3 != SNID_STATE3_SINGLE_PATH)
 				continue;
 		}
-		vpm |= lpm;
+		donepm |= lpm;
 	}
 
-	return vpm;
+	return donepm;
 }
 
 static void pgid_fill(struct ccw_device *cdev, struct pgid *pgid)
···
 	int mismatch = 0;
 	int reserved = 0;
 	int reset = 0;
+	u8 donepm;
 
 	if (rc)
 		goto out;
···
 	else if (mismatch)
 		rc = -EOPNOTSUPP;
 	else {
-		sch->vpm = pgid_to_vpm(cdev);
+		donepm = pgid_to_donepm(cdev);
+		sch->vpm = donepm & sch->opm;
+		cdev->private->pgid_todo_mask &= ~donepm;
 		pgid_fill(cdev, pgid);
 	}
 out:
 	CIO_MSG_EVENT(2, "snid: device 0.%x.%04x: rc=%d pvm=%02x vpm=%02x "
-		      "mism=%d rsvd=%d reset=%d\n", id->ssid, id->devno, rc,
-		      cdev->private->pgid_valid_mask, sch->vpm, mismatch,
-		      reserved, reset);
+		      "todo=%02x mism=%d rsvd=%d reset=%d\n", id->ssid,
+		      id->devno, rc, cdev->private->pgid_valid_mask, sch->vpm,
+		      cdev->private->pgid_todo_mask, mismatch, reserved, reset);
 	switch (rc) {
 	case 0:
 		/* Anything left to do? */
-		if (sch->vpm == sch->schib.pmcw.pam) {
+		if (cdev->private->pgid_todo_mask == 0) {
 			verify_done(cdev, sch->vpm == 0 ? -EACCES : 0);
 			return;
 		}
···
 	struct ccw_dev_id *devid = &cdev->private->dev_id;
 
 	sch->vpm = 0;
+	sch->lpm = sch->schib.pmcw.pam;
 	/* Initialize request data. */
 	memset(req, 0, sizeof(*req));
 	req->timeout	= PGID_TIMEOUT;
···
  */
 void ccw_device_verify_start(struct ccw_device *cdev)
 {
+	struct subchannel *sch = to_subchannel(cdev->dev.parent);
+
 	CIO_TRACE_EVENT(4, "vrfy");
 	CIO_HEX_EVENT(4, &cdev->private->dev_id, sizeof(cdev->private->dev_id));
 	/* Initialize PGID data. */
 	memset(cdev->private->pgid, 0, sizeof(cdev->private->pgid));
 	cdev->private->pgid_valid_mask = 0;
+	cdev->private->pgid_todo_mask = sch->schib.pmcw.pam;
 	/*
 	 * Initialize pathgroup and multipath state with target values.
 	 * They may change in the course of path verification.

drivers/s390/cio/fcx.c

···
 	/* Add tcat to tccb. */
 	tccb = tcw_get_tccb(tcw);
 	tcat = (struct tccb_tcat *) &tccb->tca[tca_size(tccb)];
-	memset(tcat, 0, sizeof(tcat));
+	memset(tcat, 0, sizeof(*tcat));
 	/* Calculate tcw input/output count and tcat transport count. */
 	count = calc_dcw_count(tccb);
 	if (tcw->w && (tcw->flags & TCW_FLAGS_OUTPUT_TIDA))
···
  */
 void tsb_init(struct tsb *tsb)
 {
-	memset(tsb, 0, sizeof(tsb));
+	memset(tsb, 0, sizeof(*tsb));
 }
 EXPORT_SYMBOL(tsb_init);
 

drivers/s390/cio/io_sch.h

···
 	struct ccw_request req;		/* internal I/O request */
 	int iretry;
 	u8 pgid_valid_mask;		/* mask of valid PGIDs */
+	u8 pgid_todo_mask;		/* mask of PGIDs to be adjusted */
 	struct {
 		unsigned int fast:1;	/* post with "channel end" */
 		unsigned int repall:1;	/* report every interrupt status */

drivers/s390/cio/qdio_main.c

···
 	case SLSB_P_INPUT_PRIMED:
 		inbound_primed(q, count);
 		q->first_to_check = add_buf(q->first_to_check, count);
-		atomic_sub(count, &q->nr_buf_used);
+		if (atomic_sub(count, &q->nr_buf_used) == 0)
+			qdio_perf_stat_inc(&perf_stats.inbound_queue_full);
 		break;
 	case SLSB_P_INPUT_ERROR:
 		announce_buffer_error(q, count);

drivers/s390/cio/qdio_perf.c

···
 		   (long)atomic_long_read(&perf_stats.fast_requeue));
 	seq_printf(m, "Number of outbound target full condition\t: %li\n",
 		   (long)atomic_long_read(&perf_stats.outbound_target_full));
+	seq_printf(m, "Number of inbound queue full condition\t\t: %li\n",
+		   (long)atomic_long_read(&perf_stats.inbound_queue_full));
 	seq_printf(m, "Number of outbound tasklet mod_timer calls\t: %li\n",
 		   (long)atomic_long_read(&perf_stats.debug_tl_out_timer));
 	seq_printf(m, "Number of stop polling calls\t\t\t: %li\n",

drivers/s390/cio/qdio_perf.h

···
 	atomic_long_t outbound_handler;
 	atomic_long_t fast_requeue;
 	atomic_long_t outbound_target_full;
+	atomic_long_t inbound_queue_full;
 
 	/* for debugging */
 	atomic_long_t debug_tl_out_timer;

drivers/s390/cio/qdio_setup.c

···
 	if (!irq_ptr)
 		return;
 
-	WARN_ON((unsigned long)&irq_ptr->qib & 0xff);
 	irq_ptr->qib.pfmt = qib_param_field_format;
 	if (qib_param_field)
 		memcpy(irq_ptr->qib.parm, qib_param_field,
···
 		q = kmem_cache_alloc(qdio_q_cache, GFP_KERNEL);
 		if (!q)
 			return -ENOMEM;
-		WARN_ON((unsigned long)q & 0xff);
 
 		q->slib = (struct slib *) __get_free_page(GFP_KERNEL);
 		if (!q->slib) {
 			kmem_cache_free(qdio_q_cache, q);
 			return -ENOMEM;
 		}
-		WARN_ON((unsigned long)q->slib & 0x7ff);
 		irq_ptr_qs[i] = q;
 	}
 	return 0;
···
 	/* fill in sbal */
 	for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) {
 		q->sbal[j] = *sbals_array++;
-		WARN_ON((unsigned long)q->sbal[j] & 0xff);
+		BUG_ON((unsigned long)q->sbal[j] & 0xff);
 	}
 
 	/* fill in slib */
···
 	/* fill in sl */
 	for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++)
 		q->sl->element[j].sbal = (unsigned long)q->sbal[j];
-
-	DBF_EVENT("sl-slsb-sbal");
-	DBF_HEX(q->sl, sizeof(void *));
-	DBF_HEX(&q->slsb, sizeof(void *));
-	DBF_HEX(q->sbal, sizeof(void *));
 }
 
 static void setup_queues(struct qdio_irq *irq_ptr,

include/linux/elf.h

···
 #define NT_PPC_VSX	0x102		/* PowerPC VSX registers */
 #define NT_386_TLS	0x200		/* i386 TLS slots (struct user_desc) */
 #define NT_386_IOPERM	0x201		/* x86 io permission bitmap (1=deny) */
-#define NT_PRXSTATUS	0x300		/* s390 upper register halves */
+#define NT_S390_HIGH_GPRS	0x300	/* s390 upper register halves */
 
 
 /* Note header in a PT_NOTE section */