---

yaml
---
r: 119019
b: refs/heads/master
c: 0113314
h: refs/heads/master
i:
  119017: e9a5077
  119015: 13f4523
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d2f019fe40e8fecd822f87bc759f74925a5c31d6
+refs/heads/master: 011331483da8842bc4ab6f2b4e88df60b25eb817

trunk/arch/m68k/kernel/ints.c

@@ -133,7 +133,7 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt,
 {
 	int i;
 
-	BUG_ON(IRQ_USER + cnt >= NR_IRQS);
+	BUG_ON(IRQ_USER + cnt > NR_IRQS);
 	m68k_first_user_vec = vec;
 	for (i = 0; i < cnt; i++)
 		irq_controller[IRQ_USER + i] = &user_irq_controller;

trunk/arch/x86/include/asm/iommu.h

@@ -6,7 +6,6 @@ extern void no_iommu_init(void);
 extern struct dma_mapping_ops nommu_dma_ops;
 extern int force_iommu, no_iommu;
 extern int iommu_detected;
-extern int dmar_disabled;
 
 extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len);
 

trunk/arch/x86/kernel/early-quirks.c

@@ -188,20 +188,6 @@ static void __init ati_bugs_contd(int num, int slot, int func)
 }
 #endif
 
-#ifdef CONFIG_DMAR
-static void __init intel_g33_dmar(int num, int slot, int func)
-{
-	struct acpi_table_header *dmar_tbl;
-	acpi_status status;
-
-	status = acpi_get_table(ACPI_SIG_DMAR, 0, &dmar_tbl);
-	if (ACPI_SUCCESS(status)) {
-		printk(KERN_INFO "BIOS BUG: DMAR advertised on Intel G31/G33 chipset -- ignoring\n");
-		dmar_disabled = 1;
-	}
-}
-#endif
-
 #define QFLAG_APPLY_ONCE 	0x1
 #define QFLAG_APPLIED		0x2
 #define QFLAG_DONE		(QFLAG_APPLY_ONCE|QFLAG_APPLIED)
@@ -225,10 +211,6 @@ static struct chipset early_qrk[] __initdata = {
 	  PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs },
 	{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS,
 	  PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd },
-#ifdef CONFIG_DMAR
-	{ PCI_VENDOR_ID_INTEL, 0x29c0,
-	  PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, intel_g33_dmar },
-#endif
 	{}
 };
 

trunk/drivers/ata/libata-sff.c

@@ -1227,10 +1227,19 @@ int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
 			/* ATA PIO protocol */
 			if (unlikely((status & ATA_DRQ) == 0)) {
 				/* handle BSY=0, DRQ=0 as error */
-				if (likely(status & (ATA_ERR | ATA_DF)))
+				if (likely(status & (ATA_ERR | ATA_DF))) {
 					/* device stops HSM for abort/error */
 					qc->err_mask |= AC_ERR_DEV;
-				else {
+
+					/* If diagnostic failed and this is
+					 * IDENTIFY, it's likely a phantom
+					 * device.  Mark hint.
+					 */
+					if (qc->dev->horkage &
+					    ATA_HORKAGE_DIAGNOSTIC)
+						qc->err_mask |=
+							AC_ERR_NODEV_HINT;
+				} else {
 					/* HSM violation. Let EH handle this.
 					 * Phantom devices also trigger this
 					 * condition.  Mark hint.

trunk/drivers/block/ub.c

@@ -1546,8 +1546,6 @@ static void ub_top_sense_done(struct ub_dev *sc, struct ub_scsi_cmd *scmd)
 
 /*
  * Reset management
- * XXX Move usb_reset_device to khubd. Hogging kevent is not a good thing.
- * XXX Make usb_sync_reset asynchronous.
  */
 
 static void ub_reset_enter(struct ub_dev *sc, int try)
@@ -1632,6 +1630,22 @@ static void ub_reset_task(struct work_struct *work)
 	spin_unlock_irqrestore(sc->lock, flags);
 }
 
+/*
+ * XXX Reset brackets are too much hassle to implement, so just stub them
+ * in order to prevent forced unbinding (which deadlocks solid when our
+ * ->disconnect method waits for the reset to complete and this kills keventd).
+ *
+ * XXX Tell Alan to move usb_unlock_device inside of usb_reset_device,
+ * or else the post_reset is invoked, and restats I/O on a locked device.
+ */
+static int ub_pre_reset(struct usb_interface *iface) {
+	return 0;
+}
+
+static int ub_post_reset(struct usb_interface *iface) {
+	return 0;
+}
+
 /*
  * This is called from a process context.
  */
@@ -2446,6 +2460,8 @@ static struct usb_driver ub_driver = {
 	.probe =	ub_probe,
 	.disconnect =	ub_disconnect,
 	.id_table =	ub_usb_ids,
+	.pre_reset =	ub_pre_reset,
+	.post_reset =	ub_post_reset,
 };
 
 static int __init ub_init(void)

trunk/drivers/md/dm-mpath.c

@@ -441,13 +441,13 @@ static void process_queued_ios(struct work_struct *work)
 		__choose_pgpath(m);
 
 	pgpath = m->current_pgpath;
-	m->pgpath_to_activate = m->current_pgpath;
 
 	if ((pgpath && !m->queue_io) ||
 	    (!pgpath && !m->queue_if_no_path))
 		must_queue = 0;
 
-	if (m->pg_init_required && !m->pg_init_in_progress) {
+	if (m->pg_init_required && !m->pg_init_in_progress && pgpath) {
+		m->pgpath_to_activate = pgpath;
 		m->pg_init_count++;
 		m->pg_init_required = 0;
 		m->pg_init_in_progress = 1;
@@ -708,6 +708,10 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m)
 		m->hw_handler_name = NULL;
 		return -EINVAL;
 	}
+
+	if (hw_argc > 1)
+		DMWARN("Ignoring user-specified arguments for "
+		       "hardware handler \"%s\"", m->hw_handler_name);
 	consume(as, hw_argc - 1);
 
 	return 0;

trunk/drivers/md/dm-raid1.c

@@ -1032,6 +1032,7 @@ static void mirror_dtr(struct dm_target *ti)
 
 	del_timer_sync(&ms->timer);
 	flush_workqueue(ms->kmirrord_wq);
+	flush_scheduled_work();
 	dm_kcopyd_client_destroy(ms->kcopyd_client);
 	destroy_workqueue(ms->kmirrord_wq);
 	free_context(ms, ti, ms->nr_mirrors);

trunk/drivers/md/dm-stripe.c

@@ -320,8 +320,10 @@ int __init dm_stripe_init(void)
 	int r;
 
 	r = dm_register_target(&stripe_target);
-	if (r < 0)
+	if (r < 0) {
 		DMWARN("target registration failed");
+		return r;
+	}
 
 	kstriped = create_singlethread_workqueue("kstriped");
 	if (!kstriped) {

trunk/drivers/md/dm.c

@@ -375,7 +375,7 @@ static void start_io_acct(struct dm_io *io)
 	dm_disk(md)->part0.in_flight = atomic_inc_return(&md->pending);
 }
 
-static int end_io_acct(struct dm_io *io)
+static void end_io_acct(struct dm_io *io)
 {
 	struct mapped_device *md = io->md;
 	struct bio *bio = io->bio;
@@ -391,7 +391,9 @@ static int end_io_acct(struct dm_io *io)
 	dm_disk(md)->part0.in_flight = pending =
 		atomic_dec_return(&md->pending);
 
-	return !pending;
+	/* nudge anyone waiting on suspend queue */
+	if (!pending)
+		wake_up(&md->wait);
 }
 
 /*
@@ -499,9 +501,7 @@ static void dec_pending(struct dm_io *io, int error)
 			spin_unlock_irqrestore(&io->md->pushback_lock, flags);
 		}
 
-		if (end_io_acct(io))
-			/* nudge anyone waiting on suspend queue */
-			wake_up(&io->md->wait);
+		end_io_acct(io);
 
 		if (io->error != DM_ENDIO_REQUEUE) {
 			blk_add_trace_bio(io->md->queue, io->bio,
@@ -937,16 +937,24 @@ static void dm_unplug_all(struct request_queue *q)
 
 static int dm_any_congested(void *congested_data, int bdi_bits)
 {
-	int r;
-	struct mapped_device *md = (struct mapped_device *) congested_data;
-	struct dm_table *map = dm_get_table(md);
+	int r = bdi_bits;
+	struct mapped_device *md = congested_data;
+	struct dm_table *map;
 
-	if (!map || test_bit(DMF_BLOCK_IO, &md->flags))
-		r = bdi_bits;
-	else
-		r = dm_table_any_congested(map, bdi_bits);
+	atomic_inc(&md->pending);
+
+	if (!test_bit(DMF_BLOCK_IO, &md->flags)) {
+		map = dm_get_table(md);
+		if (map) {
+			r = dm_table_any_congested(map, bdi_bits);
+			dm_table_put(map);
+		}
+	}
+
+	if (!atomic_dec_return(&md->pending))
+		/* nudge anyone waiting on suspend queue */
+		wake_up(&md->wait);
 
-	dm_table_put(map);
 	return r;
 }
 

trunk/drivers/misc/c2port/core.c

@@ -18,6 +18,7 @@
 #include <linux/ctype.h>
 #include <linux/delay.h>
 #include <linux/idr.h>
+#include <linux/sched.h>
 
 #include <linux/c2port.h>
 

trunk/drivers/net/usb/asix.c

@@ -1444,6 +1444,10 @@ static const struct usb_device_id	products [] = {
 	// Apple USB Ethernet Adapter
 	USB_DEVICE(0x05ac, 0x1402),
 	.driver_info = (unsigned long) &ax88772_info,
+}, {
+	// Cables-to-Go USB Ethernet Adapter
+	USB_DEVICE(0x0b95, 0x772a),
+	.driver_info = (unsigned long) &ax88772_info,
 },
 	{ },		// END
 };

trunk/drivers/s390/scsi/zfcp_aux.c

@@ -610,7 +610,8 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
 	atomic_set_mask(status | ZFCP_STATUS_COMMON_REMOVE, &port->status);
 	atomic_set(&port->refcount, 0);
 
-	dev_set_name(&port->sysfs_device, "0x%016llx", wwpn);
+	dev_set_name(&port->sysfs_device, "0x%016llx",
+		     (unsigned long long)wwpn);
 	port->sysfs_device.parent = &adapter->ccw_device->dev;
 
 	port->sysfs_device.release = zfcp_sysfs_port_release;

trunk/drivers/s390/scsi/zfcp_ccw.c

@@ -116,7 +116,9 @@ static int zfcp_ccw_set_online(struct ccw_device *ccw_device)
 	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, 85,
 				NULL);
 	zfcp_erp_wait(adapter);
-	goto out;
+	up(&zfcp_data.config_sema);
+	flush_work(&adapter->scan_work);
+	return 0;
 
  out_scsi_register:
 	zfcp_erp_thread_kill(adapter);

trunk/drivers/s390/scsi/zfcp_dbf.c

@@ -30,7 +30,7 @@ static void zfcp_dbf_hexdump(debug_info_t *dbf, void *to, int to_len,
 		dump->offset = offset;
 		dump->size = min(from_len - offset, room);
 		memcpy(dump->data, from + offset, dump->size);
-		debug_event(dbf, level, dump, dump->size);
+		debug_event(dbf, level, dump, dump->size + sizeof(*dump));
 	}
 }
 
@@ -108,7 +108,7 @@ static int zfcp_dbf_view_header(debug_info_t *id, struct debug_view *view,
 			     t.tv_sec, t.tv_nsec);
 		zfcp_dbf_out(&p, "cpu", "%02i", entry->id.fields.cpuid);
 	} else	{
-		zfcp_dbf_outd(&p, NULL, dump->data, dump->size, dump->offset,
+		zfcp_dbf_outd(&p, "", dump->data, dump->size, dump->offset,
 			      dump->total_size);
 		if ((dump->offset + dump->size) == dump->total_size)
 			p += sprintf(p, "\n");
@@ -366,6 +366,7 @@ static void zfcp_hba_dbf_view_response(char **p,
 			break;
 		zfcp_dbf_out(p, "scsi_cmnd", "0x%0Lx", r->u.fcp.cmnd);
 		zfcp_dbf_out(p, "scsi_serial", "0x%016Lx", r->u.fcp.serial);
+		p += sprintf(*p, "\n");
 		break;
 
 	case FSF_QTCB_OPEN_PORT_WITH_DID:
@@ -465,7 +466,8 @@ static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view,
 	else if (strncmp(r->tag, "berr", ZFCP_DBF_TAG_SIZE) == 0)
 		zfcp_hba_dbf_view_berr(&p, &r->u.berr);
 
-	p += sprintf(p, "\n");
+	if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) != 0)
+		p += sprintf(p, "\n");
 	return p - out_buf;
 }
 
@@ -880,6 +882,7 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
 	struct ct_hdr *hdr = sg_virt(ct->req);
 	struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
 	struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req;
+	int level = 3;
 	unsigned long flags;
 
 	spin_lock_irqsave(&adapter->san_dbf_lock, flags);
@@ -896,9 +899,10 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
 	oct->options = hdr->options;
 	oct->max_res_size = hdr->max_res_size;
 	oct->len = min((int)ct->req->length - (int)sizeof(struct ct_hdr),
-		       ZFCP_DBF_CT_PAYLOAD);
-	memcpy(oct->payload, (void *)hdr + sizeof(struct ct_hdr), oct->len);
-	debug_event(adapter->san_dbf, 3, r, sizeof(*r));
+		       ZFCP_DBF_SAN_MAX_PAYLOAD);
+	debug_event(adapter->san_dbf, level, r, sizeof(*r));
+	zfcp_dbf_hexdump(adapter->san_dbf, r, sizeof(*r), level,
+			 (void *)hdr + sizeof(struct ct_hdr), oct->len);
 	spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
 }
 
@@ -914,6 +918,7 @@ void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
 	struct ct_hdr *hdr = sg_virt(ct->resp);
 	struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
 	struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp;
+	int level = 3;
 	unsigned long flags;
 
 	spin_lock_irqsave(&adapter->san_dbf_lock, flags);
@@ -929,9 +934,10 @@ void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
 	rct->expl = hdr->reason_code_expl;
 	rct->vendor_unique = hdr->vendor_unique;
 	rct->len = min((int)ct->resp->length - (int)sizeof(struct ct_hdr),
-		       ZFCP_DBF_CT_PAYLOAD);
-	memcpy(rct->payload, (void *)hdr + sizeof(struct ct_hdr), rct->len);
-	debug_event(adapter->san_dbf, 3, r, sizeof(*r));
+		       ZFCP_DBF_SAN_MAX_PAYLOAD);
+	debug_event(adapter->san_dbf, level, r, sizeof(*r));
+	zfcp_dbf_hexdump(adapter->san_dbf, r, sizeof(*r), level,
+			 (void *)hdr + sizeof(struct ct_hdr), rct->len);
 	spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
 }
 
@@ -954,7 +960,7 @@ static void zfcp_san_dbf_event_els(const char *tag, int level,
 	rec->u.els.ls_code = ls_code;
 	debug_event(adapter->san_dbf, level, rec, sizeof(*rec));
 	zfcp_dbf_hexdump(adapter->san_dbf, rec, sizeof(*rec), level,
-			 buffer, min(buflen, ZFCP_DBF_ELS_MAX_PAYLOAD));
+			 buffer, min(buflen, ZFCP_DBF_SAN_MAX_PAYLOAD));
 	spin_unlock_irqrestore(&adapter->san_dbf_lock, flags);
 }
 
@@ -1008,8 +1014,6 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view,
 				    char *out_buf, const char *in_buf)
 {
 	struct zfcp_san_dbf_record *r = (struct zfcp_san_dbf_record *)in_buf;
-	char *buffer = NULL;
-	int buflen = 0, total = 0;
 	char *p = out_buf;
 
 	if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
@@ -1029,33 +1033,19 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view,
 		zfcp_dbf_out(&p, "gs_subtype", "0x%02x", ct->gs_subtype);
 		zfcp_dbf_out(&p, "options", "0x%02x", ct->options);
 		zfcp_dbf_out(&p, "max_res_size", "0x%04x", ct->max_res_size);
-		total = ct->len;
-		buffer = ct->payload;
-		buflen = min(total, ZFCP_DBF_CT_PAYLOAD);
 	} else if (strncmp(r->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
 		struct zfcp_san_dbf_record_ct_response *ct = &r->u.ct_resp;
 		zfcp_dbf_out(&p, "cmd_rsp_code", "0x%04x", ct->cmd_rsp_code);
 		zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision);
 		zfcp_dbf_out(&p, "reason_code", "0x%02x", ct->reason_code);
 		zfcp_dbf_out(&p, "reason_code_expl", "0x%02x", ct->expl);
 		zfcp_dbf_out(&p, "vendor_unique", "0x%02x", ct->vendor_unique);
-		total = ct->len;
-		buffer = ct->payload;
-		buflen = min(total, ZFCP_DBF_CT_PAYLOAD);
 	} else if (strncmp(r->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 ||
 		   strncmp(r->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 ||
 		   strncmp(r->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) {
 		struct zfcp_san_dbf_record_els *els = &r->u.els;
 		zfcp_dbf_out(&p, "ls_code", "0x%02x", els->ls_code);
-		total = els->len;
-		buffer = els->payload;
-		buflen = min(total, ZFCP_DBF_ELS_PAYLOAD);
 	}
-
-	zfcp_dbf_outd(&p, "payload", buffer, buflen, 0, total);
-	if (buflen == total)
-		p += sprintf(p, "\n");
-
 	return p - out_buf;
 }