3.4.12-stable review

@@ -772,7 +772,7 @@ int radeon_device_init(struct radeon_dev
 	if (rdev->flags & RADEON_IS_AGP)
 		rdev->need_dma32 = true;
 	if ((rdev->flags & RADEON_IS_PCI) &&
-	    (rdev->family < CHIP_RS400))
+	    (rdev->family <= CHIP_RS740))
 		rdev->need_dma32 = true;
 
 	dma_bits = rdev->need_dma32 ? 32 : 40;

@@ -1769,13 +1769,34 @@ static int radeon_atom_pick_dig_encoder(
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct drm_encoder *test_encoder;
-	struct radeon_encoder_atom_dig *dig;
+	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 	uint32_t dig_enc_in_use = 0;
 
-	/* DCE4/5 */
-	if (ASIC_IS_DCE4(rdev)) {
-		dig = radeon_encoder->enc_priv;
-		if (ASIC_IS_DCE41(rdev)) {
+	if (ASIC_IS_DCE6(rdev)) {
+		/* DCE6 */
+		switch (radeon_encoder->encoder_id) {
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+			if (dig->linkb)
+				return 1;
+			else
+				return 0;
+			break;
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+			if (dig->linkb)
+				return 3;
+			else
+				return 2;
+			break;
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+			if (dig->linkb)
+				return 5;
+			else
+				return 4;
+			break;
+		}
+	} else if (ASIC_IS_DCE4(rdev)) {
+		/* DCE4/5 */
+		if (ASIC_IS_DCE41(rdev) && !ASIC_IS_DCE61(rdev)) {
 			/* ontario follows DCE4 */
 			if (rdev->family == CHIP_PALM) {
 				if (dig->linkb)

@@ -586,7 +586,7 @@ nouveau_display_dumb_create(struct drm_f
 	args->size = args->pitch * args->height;
 	args->size = roundup(args->size, PAGE_SIZE);
 
-	ret = nouveau_gem_new(dev, args->size, 0, TTM_PL_FLAG_VRAM, 0, 0, &bo);
+	ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo);
 	if (ret)
 		return ret;
 

@@ -271,7 +271,7 @@ static void intel_hdmi_dpms(struct drm_e
 	u32 temp;
 	u32 enable_bits = SDVO_ENABLE;
 
-	if (intel_hdmi->has_audio)
+	if (intel_hdmi->has_audio || mode != DRM_MODE_DPMS_ON)
 		enable_bits |= SDVO_AUDIO_ENABLE;
 
 	temp = I915_READ(intel_hdmi->sdvox_reg);

@@ -612,20 +612,24 @@ static int raid10_mergeable_bvec(struct
 		max = biovec->bv_len;
 
 	if (mddev->merge_check_needed) {
-		struct r10bio r10_bio;
+		struct {
+			struct r10bio r10_bio;
+			struct r10dev devs[conf->copies];
+		} on_stack;
+		struct r10bio *r10_bio = &on_stack.r10_bio;
 		int s;
-		r10_bio.sector = sector;
-		raid10_find_phys(conf, &r10_bio);
+		r10_bio->sector = sector;
+		raid10_find_phys(conf, r10_bio);
 		rcu_read_lock();
 		for (s = 0; s < conf->copies; s++) {
-			int disk = r10_bio.devs[s].devnum;
+			int disk = r10_bio->devs[s].devnum;
 			struct md_rdev *rdev = rcu_dereference(
 				conf->mirrors[disk].rdev);
 			if (rdev && !test_bit(Faulty, &rdev->flags)) {
 				struct request_queue *q =
 					bdev_get_queue(rdev->bdev);
 				if (q->merge_bvec_fn) {
-					bvm->bi_sector = r10_bio.devs[s].addr
+					bvm->bi_sector = r10_bio->devs[s].addr
 						+ rdev->data_offset;
 					bvm->bi_bdev = rdev->bdev;
 					max = min(max, q->merge_bvec_fn(

@@ -637,7 +641,7 @@ static int raid10_mergeable_bvec(struct
 				struct request_queue *q =
 					bdev_get_queue(rdev->bdev);
 				if (q->merge_bvec_fn) {
-					bvm->bi_sector = r10_bio.devs[s].addr
+					bvm->bi_sector = r10_bio->devs[s].addr
 						+ rdev->data_offset;
 					bvm->bi_bdev = rdev->bdev;
 					max = min(max, q->merge_bvec_fn(

@@ -104,7 +104,7 @@ struct r10bio {
 	 * We choose the number when they are allocated.
 	 * We sometimes need an extra bio to write to the replacement.
 	 */
-	struct {
+	struct r10dev {
 		struct bio	*bio;
 		union {
 			struct bio	*repl_bio; /* used for resync and

@@ -3433,14 +3433,17 @@ static int __cpuinit trustee_thread(void
 
 	for_each_busy_worker(worker, i, pos, gcwq) {
 		struct work_struct *rebind_work = &worker->rebind_work;
+		unsigned long worker_flags = worker->flags;
 
 		/*
 		 * Rebind_work may race with future cpu hotplug
 		 * operations.  Use a separate flag to mark that
-		 * rebinding is scheduled.
+		 * rebinding is scheduled.  The morphing should
+		 * be atomic.
 		 */
-		worker->flags |= WORKER_REBIND;
-		worker->flags &= ~WORKER_ROGUE;
+		worker_flags |= WORKER_REBIND;
+		worker_flags &= ~WORKER_ROGUE;
+		ACCESS_ONCE(worker->flags) = worker_flags;
 
 		/* queue rebind_work, wq doesn't matter, use the default one */
 		if (test_and_set_bit(WORK_STRUCT_PENDING_BIT,

@@ -519,3 +519,20 @@ static void sb600_disable_hpet_bar(struc
 	}
 }
 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATI, 0x4385, sb600_disable_hpet_bar);
+
+/*
+ * Twinhead H12Y needs us to block out a region otherwise we map devices
+ * there and any access kills the box.
+ *
+ *   See: https://bugzilla.kernel.org/show_bug.cgi?id=10231
+ *
+ * Match off the LPC and svid/sdid (older kernels lose the bridge subvendor)
+ */
+static void __devinit twinhead_reserve_killing_zone(struct pci_dev *dev)
+{
+        if (dev->subsystem_vendor == 0x14FF && dev->subsystem_device == 0xA003) {
+                pr_info("Reserving memory on Twinhead H12Y\n");
+                request_mem_region(0xFFB00000, 0x100000, "twinhead");
+        }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x27B9, twinhead_reserve_killing_zone);

@@ -506,10 +506,11 @@ static int zerocopy_sg_from_iovec(struct
 		if (copy > size) {
 			++from;
 			--count;
-		}
+			offset = 0;
+		} else
+			offset += size;
 		copy -= size;
 		offset1 += size;
-		offset = 0;
 	}
 
 	if (len == offset1)

@@ -520,13 +521,13 @@ static int zerocopy_sg_from_iovec(struct
 		int num_pages;
 		unsigned long base;
 
-		len = from->iov_len - offset1;
+		len = from->iov_len - offset;
 		if (!len) {
-			offset1 = 0;
+			offset = 0;
 			++from;
 			continue;
 		}
-		base = (unsigned long)from->iov_base + offset1;
+		base = (unsigned long)from->iov_base + offset;
 		size = ((base & ~PAGE_MASK) + len + ~PAGE_MASK) >> PAGE_SHIFT;
 		if (i + size > MAX_SKB_FRAGS)
 			return -EMSGSIZE;

@@ -548,7 +549,7 @@ static int zerocopy_sg_from_iovec(struct
 			len -= size;
 			i++;
 		}
-		offset1 = 0;
+		offset = 0;
 		++from;
 	}
 	return 0;

@@ -520,6 +520,7 @@ static int zerocopy_sg_from_iovec(struct
 		struct page *page[MAX_SKB_FRAGS];
 		int num_pages;
 		unsigned long base;
+		unsigned long truesize;
 
 		len = from->iov_len - offset;
 		if (!len) {

@@ -535,10 +536,11 @@ static int zerocopy_sg_from_iovec(struct
 		if (num_pages != size)
 			/* put_page is in skb free */
 			return -EFAULT;
+		truesize = size * PAGE_SIZE;
 		skb->data_len += len;
 		skb->len += len;
-		skb->truesize += len;
-		atomic_add(len, &skb->sk->sk_wmem_alloc);
+		skb->truesize += truesize;
+		atomic_add(truesize, &skb->sk->sk_wmem_alloc);
 		while (len) {
 			int off = base & ~PAGE_MASK;
 			int size = min_t(int, len, PAGE_SIZE - off);

@@ -533,9 +533,10 @@ static int zerocopy_sg_from_iovec(struct
 		if (i + size > MAX_SKB_FRAGS)
 			return -EMSGSIZE;
 		num_pages = get_user_pages_fast(base, size, 0, &page[i]);
-		if (num_pages != size)
-			/* put_page is in skb free */
-			return -EFAULT;
+		if (num_pages != size) {
+			for (i = 0; i < num_pages; i++)
+				put_page(page[i]);
+		}
 		truesize = size * PAGE_SIZE;
 		skb->data_len += len;
 		skb->len += len;

@@ -716,10 +716,9 @@ static ssize_t macvtap_get_user(struct m
 	if (!skb)
 		goto err;
 
-	if (zerocopy) {
+	if (zerocopy)
 		err = zerocopy_sg_from_iovec(skb, iv, vnet_hdr_len, count);
-		skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
-	} else
+	else
 		err = skb_copy_datagram_from_iovec(skb, 0, iv, vnet_hdr_len,
 						   len);
 	if (err)

@@ -738,8 +737,10 @@ static ssize_t macvtap_get_user(struct m
 	rcu_read_lock_bh();
 	vlan = rcu_dereference_bh(q->vlan);
 	/* copy skb_ubuf_info for callback when skb has no error */
-	if (zerocopy)
+	if (zerocopy) {
 		skb_shinfo(skb)->destructor_arg = m->msg_control;
+		skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
+	}
 	if (vlan)
 		macvlan_start_xmit(skb, vlan->dev);
 	else

@@ -106,6 +106,7 @@ static struct usb_device_id btusb_table[
 	{ USB_DEVICE(0x0a5c, 0x21e6) },
 	{ USB_DEVICE(0x0a5c, 0x21e8) },
 	{ USB_DEVICE(0x0a5c, 0x21f3) },
+	{ USB_DEVICE(0x0a5c, 0x21f4) },
 	{ USB_DEVICE(0x413c, 0x8197) },
 
 	/* Foxconn - Hon Hai */

@@ -102,16 +102,14 @@ static struct usb_device_id btusb_table[
 
 	/* Broadcom BCM20702A0 */
 	{ USB_DEVICE(0x0489, 0xe042) },
-	{ USB_DEVICE(0x0a5c, 0x21e3) },
-	{ USB_DEVICE(0x0a5c, 0x21e6) },
-	{ USB_DEVICE(0x0a5c, 0x21e8) },
-	{ USB_DEVICE(0x0a5c, 0x21f3) },
-	{ USB_DEVICE(0x0a5c, 0x21f4) },
 	{ USB_DEVICE(0x413c, 0x8197) },
 
 	/* Foxconn - Hon Hai */
 	{ USB_DEVICE(0x0489, 0xe033) },
 
+	/*Broadcom devices with vendor specific id */
+	{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
+
 	{ }	/* Terminating entry */
 };
 

@@ -60,6 +60,9 @@ static struct usb_device_id btusb_table[
 	/* Generic Bluetooth USB device */
 	{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
 
+	/* Apple-specific (Broadcom) devices */
+	{ USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
+
 	/* Broadcom SoftSailing reporting vendor specific */
 	{ USB_DEVICE(0x0a5c, 0x21e1) },
 

@@ -266,10 +266,10 @@ static void smp_failure(struct l2cap_con
 	mgmt_auth_failed(conn->hcon->hdev, conn->dst, hcon->type,
 			 hcon->dst_type, reason);
 
-	if (test_and_clear_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->flags)) {
-		cancel_delayed_work_sync(&conn->security_timer);
+	cancel_delayed_work_sync(&conn->security_timer);
+
+	if (test_and_clear_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->flags))
 		smp_chan_destroy(conn);
-	}
 }
 
 #define JUST_WORKS	0x00

@@ -968,6 +968,7 @@ static void l2cap_info_timeout(unsigned
 static void l2cap_conn_del(struct hci_conn *hcon, int err)
 {
 	struct l2cap_conn *conn = hcon->l2cap_data;
+	struct list_head chan_l;
 	struct l2cap_chan *chan, *l;
 	struct sock *sk;
 

@@ -978,8 +979,13 @@ static void l2cap_conn_del(struct hci_co
 
 	kfree_skb(conn->rx_skb);
 
+	INIT_LIST_HEAD(&chan_l);
+	write_lock_bh(&conn->chan_lock);
+	list_splice_init(&conn->chan_l, &chan_l);
+	write_unlock_bh(&conn->chan_lock);
+
 	/* Kill channels */
-	list_for_each_entry_safe(chan, l, &conn->chan_l, list) {
+	list_for_each_entry_safe(chan, l, &chan_l, list) {
 		sk = chan->sk;
 		bh_lock_sock(sk);
 		l2cap_chan_del(chan, err);

@@ -1009,7 +1009,12 @@ static void security_timeout(unsigned lo
 {
 	struct l2cap_conn *conn = (void *) arg;
 
-	l2cap_conn_del(conn->hcon, ETIMEDOUT);
+	BT_DBG("conn %p", conn);
+
+	if (test_and_clear_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->pend)) {
+		smp_chan_destroy(conn);
+		l2cap_conn_del(conn->hcon, ETIMEDOUT);
+	}
 }
 
 static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)

@@ -136,7 +136,7 @@ struct smp_chan {
 };
 
 /* SMP Commands */
-int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level);
+int smp_conn_security(struct hci_conn *hcon, __u8 sec_level);
 int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb);
 int smp_distribute_keys(struct l2cap_conn *conn, __u8 force);
 int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey);

@@ -937,14 +937,15 @@ static void l2cap_chan_ready(struct l2ca
 static void l2cap_conn_ready(struct l2cap_conn *conn)
 {
 	struct l2cap_chan *chan;
+	struct hci_conn *hcon = conn->hcon;
 
 	BT_DBG("conn %p", conn);
 
-	if (!conn->hcon->out && conn->hcon->type == LE_LINK)
+	if (!hcon->out && hcon->type == LE_LINK)
 		l2cap_le_conn_ready(conn);
 
-	if (conn->hcon->out && conn->hcon->type == LE_LINK)
-		smp_conn_security(conn, conn->hcon->pending_sec_level);
+	if (hcon->out && hcon->type == LE_LINK)
+		smp_conn_security(hcon, hcon->pending_sec_level);
 
 	mutex_lock(&conn->chan_lock);
 

@@ -952,8 +953,8 @@ static void l2cap_conn_ready(struct l2ca
 
 		l2cap_chan_lock(chan);
 
-		if (conn->hcon->type == LE_LINK) {
-			if (smp_conn_security(conn, chan->sec_level))
+		if (hcon->type == LE_LINK) {
+			if (smp_conn_security(hcon, chan->sec_level))
 				l2cap_chan_ready(chan);
 
 		} else if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {

@@ -588,7 +588,7 @@ static int l2cap_sock_setsockopt(struct
 				break;
 			}
 
-			if (smp_conn_security(conn, sec.level))
+			if (smp_conn_security(conn->hcon, sec.level))
 				break;
 			sk->sk_state = BT_CONFIG;
 			chan->state = BT_CONFIG;

@@ -753,9 +753,9 @@ static u8 smp_cmd_security_req(struct l2
 	return 0;
 }
 
-int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level)
+int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
 {
-	struct hci_conn *hcon = conn->hcon;
+	struct l2cap_conn *conn = hcon->l2cap_data;
 	struct smp_chan *smp = conn->smp_chan;
 	__u8 authreq;
 

@@ -42,6 +42,7 @@
 
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/smp.h>
 
 static void hci_le_connect(struct hci_conn *conn)
 {

@@ -661,6 +662,9 @@ int hci_conn_security(struct hci_conn *c
 {
 	BT_DBG("conn %p", conn);
 
+	if (conn->type == LE_LINK)
+		return smp_conn_security(conn, sec_level);
+
 	/* For sdp we don't need the link key. */
 	if (sec_level == BT_SECURITY_SDP)
 		return 1;

@@ -6303,7 +6303,8 @@ static struct hlist_head *netdev_create_
 /* Initialize per network namespace state */
 static int __net_init netdev_init(struct net *net)
 {
-	INIT_LIST_HEAD(&net->dev_base_head);
+	if (net != &init_net)
+		INIT_LIST_HEAD(&net->dev_base_head);
 
 	net->dev_name_head = netdev_create_hash();
 	if (net->dev_name_head == NULL)

@@ -25,7 +25,9 @@ static DEFINE_MUTEX(net_mutex);
 LIST_HEAD(net_namespace_list);
 EXPORT_SYMBOL_GPL(net_namespace_list);
 
-struct net init_net;
+struct net init_net = {
+	.dev_base_head = LIST_HEAD_INIT(init_net.dev_base_head),
+};
 EXPORT_SYMBOL(init_net);
 
 #define INITIAL_NET_GEN_PTRS	13 /* +1 for len +2 for rcu_head */

@@ -912,9 +912,6 @@ static int cx25821_dev_setup(struct cx25
 	list_add_tail(&dev->devlist, &cx25821_devlist);
 	mutex_unlock(&cx25821_devlist_mutex);
 
-	strcpy(cx25821_boards[UNKNOWN_BOARD].name, "unknown");
-	strcpy(cx25821_boards[CX25821_BOARD].name, "cx25821");
-
 	if (dev->pci->device != 0x8210) {
 		pr_info("%s(): Exiting. Incorrect Hardware device = 0x%02x\n",
 			__func__, dev->pci->device);

@@ -187,7 +187,7 @@ enum port {
 };
 
 struct cx25821_board {
-	char *name;
+	const char *name;
 	enum port porta;
 	enum port portb;
 	enum port portc;

index bd0c168..32d8dc9 100644
@@ -86,6 +86,13 @@ static async_cookie_t  __lowest_in_progress(struct list_head *running)
 {
 	struct async_entry *entry;
 
+	if (!running) { /* just check the entry count */
+		if (atomic_read(&entry_count))
+			return 0; /* smaller than any cookie */
+		else
+			return next_cookie;
+	}
+
 	if (!list_empty(running)) {
 		entry = list_first_entry(running,
 			struct async_entry, list);

@@ -236,9 +243,7 @@ EXPORT_SYMBOL_GPL(async_schedule_domain);
  */
 void async_synchronize_full(void)
 {
-	do {
-		async_synchronize_cookie(next_cookie);
-	} while (!list_empty(&async_running) || !list_empty(&async_pending));
+	async_synchronize_cookie_domain(next_cookie, NULL);
 }
 EXPORT_SYMBOL_GPL(async_synchronize_full);
 

@@ -258,7 +263,7 @@ EXPORT_SYMBOL_GPL(async_synchronize_full_domain);
 /**
  * async_synchronize_cookie_domain - synchronize asynchronous function calls within a certain domain with cookie checkpointing
  * @cookie: async_cookie_t to use as checkpoint
- * @running: running list to synchronize on
+ * @running: running list to synchronize on, NULL indicates all lists
  *
  * This function waits until all asynchronous function calls for the
  * synchronization domain specified by the running list @list submitted

@@ -410,6 +410,8 @@ int rds_recvmsg(struct kiocb *iocb, stru
 
 	rdsdebug("size %zu flags 0x%x timeo %ld\n", size, msg_flags, timeo);
 
+	msg->msg_namelen = 0;
+
 	if (msg_flags & MSG_OOB)
 		goto out;
 

@@ -485,6 +487,7 @@ int rds_recvmsg(struct kiocb *iocb, stru
 			sin->sin_port = inc->i_hdr.h_sport;
 			sin->sin_addr.s_addr = inc->i_saddr;
 			memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+			msg->msg_namelen = sizeof(*sin);
 		}
 		break;
 	}

@@ -4125,6 +4125,7 @@ static const struct ata_blacklist_entry
 
 	/* Devices which aren't very happy with higher link speeds */
 	{ "WD My Book",			NULL,	ATA_HORKAGE_1_5_GBPS, },
+	{ "Seagate FreeAgent GoFlex",	NULL,	ATA_HORKAGE_1_5_GBPS, },
 
 	/*
 	 * Devices which choke on SETXFER.  Applies only if both the

@@ -3737,6 +3737,7 @@ static void rtl_init_rxcfg(struct rtl816
 	case RTL_GIGA_MAC_VER_22:
 	case RTL_GIGA_MAC_VER_23:
 	case RTL_GIGA_MAC_VER_24:
+	case RTL_GIGA_MAC_VER_34:
 		RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
 		break;
 	default:

@@ -123,8 +123,17 @@ extern struct group_info init_groups;
 
 extern struct cred init_cred;
 
+extern struct task_group root_task_group;
+
+#ifdef CONFIG_CGROUP_SCHED
+# define INIT_CGROUP_SCHED(tsk)						\
+	.sched_task_group = &root_task_group,
+#else
+# define INIT_CGROUP_SCHED(tsk)
+#endif
+
 #ifdef CONFIG_PERF_EVENTS
-# define INIT_PERF_EVENTS(tsk)					\
+# define INIT_PERF_EVENTS(tsk)						\
 	.perf_event_mutex = 						\
 		 __MUTEX_INITIALIZER(tsk.perf_event_mutex),		\
 	.perf_event_list = LIST_HEAD_INIT(tsk.perf_event_list),

@@ -161,6 +170,7 @@ extern struct cred init_cred;
 	},								\
 	.tasks		= LIST_HEAD_INIT(tsk.tasks),			\
 	INIT_PUSHABLE_TASKS(tsk)					\
+	INIT_CGROUP_SCHED(tsk)						\
 	.ptraced	= LIST_HEAD_INIT(tsk.ptraced),			\
 	.ptrace_entry	= LIST_HEAD_INIT(tsk.ptrace_entry),		\
 	.real_parent	= &tsk,						\

@@ -1279,6 +1279,9 @@ struct task_struct {
 	const struct sched_class *sched_class;
 	struct sched_entity se;
 	struct sched_rt_entity rt;
+#ifdef CONFIG_CGROUP_SCHED
+	struct task_group *sched_task_group;
+#endif
 
 #ifdef CONFIG_PREEMPT_NOTIFIERS
 	/* list of struct preempt_notifier: */

@@ -2744,7 +2747,7 @@ extern int sched_group_set_rt_period(str
 extern long sched_group_rt_period(struct task_group *tg);
 extern int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk);
 #endif
-#endif
+#endif /* CONFIG_CGROUP_SCHED */
 
 extern int task_can_switch_user(struct user_struct *up,
 					struct task_struct *tsk);

@@ -1098,7 +1098,7 @@ void set_task_cpu(struct task_struct *p,
 	 * a task's CPU. ->pi_lock for waking tasks, rq->lock for runnable tasks.
 	 *
 	 * sched_move_task() holds both and thus holding either pins the cgroup,
-	 * see set_task_rq().
+	 * see task_group().
 	 *
 	 * Furthermore, all task_rq users should acquire both locks, see
 	 * task_rq_lock().

@@ -7427,6 +7427,7 @@ void sched_destroy_group(struct task_gro
  */
 void sched_move_task(struct task_struct *tsk)
 {
+	struct task_group *tg;
 	int on_rq, running;
 	unsigned long flags;
 	struct rq *rq;

@@ -7441,6 +7442,12 @@ void sched_move_task(struct task_struct
 	if (unlikely(running))
 		tsk->sched_class->put_prev_task(rq, tsk);
 
+	tg = container_of(task_subsys_state_check(tsk, cpu_cgroup_subsys_id,
+				lockdep_is_held(&tsk->sighand->siglock)),
+			  struct task_group, css);
+	tg = autogroup_task_group(tsk, tg);
+	tsk->sched_task_group = tg;
+
 #ifdef CONFIG_FAIR_GROUP_SCHED
 	if (tsk->sched_class->task_move_group)
 		tsk->sched_class->task_move_group(tsk, on_rq);

@@ -536,22 +536,19 @@ DECLARE_PER_CPU(int, sd_llc_id);
 /*
  * Return the group to which this tasks belongs.
  *
- * We use task_subsys_state_check() and extend the RCU verification with
- * pi->lock and rq->lock because cpu_cgroup_attach() holds those locks for each
- * task it moves into the cgroup. Therefore by holding either of those locks,
- * we pin the task to the current cgroup.
+ * We cannot use task_subsys_state() and friends because the cgroup
+ * subsystem changes that value before the cgroup_subsys::attach() method
+ * is called, therefore we cannot pin it and might observe the wrong value.
+ *
+ * The same is true for autogroup's p->signal->autogroup->tg, the autogroup
+ * core changes this before calling sched_move_task().
+ *
+ * Instead we use a 'copy' which is updated from sched_move_task() while
+ * holding both task_struct::pi_lock and rq::lock.
  */
 static inline struct task_group *task_group(struct task_struct *p)
 {
-	struct task_group *tg;
-	struct cgroup_subsys_state *css;
-
-	css = task_subsys_state_check(p, cpu_cgroup_subsys_id,
-			lockdep_is_held(&p->pi_lock) ||
-			lockdep_is_held(&task_rq(p)->lock));
-	tg = container_of(css, struct task_group, css);
-
-	return autogroup_task_group(p, tg);
+	return p->sched_task_group;
 }
 
 /* Change a task's cfs_rq and parent entity if it moves across CPUs/groups */

@@ -766,13 +766,17 @@ void * __init alloc_bootmem_section(unsi
 				    unsigned long section_nr)
 {
 	bootmem_data_t *bdata;
-	unsigned long pfn, goal;
+	unsigned long pfn, goal, limit;
 
 	pfn = section_nr_to_pfn(section_nr);
 	goal = pfn << PAGE_SHIFT;
+	limit = section_nr_to_pfn(section_nr + 1) << PAGE_SHIFT;
 	bdata = &bootmem_node_data[early_pfn_to_nid(pfn)];
 
-	return alloc_bootmem_core(bdata, size, SMP_CACHE_BYTES, goal, 0);
+	if (goal + size > limit)
+		limit = 0;
+
+	return alloc_bootmem_core(bdata, size, SMP_CACHE_BYTES, goal, limit);
 }
 #endif
 

@@ -52,6 +52,7 @@
 #include <linux/io.h>
 #include <asm/irq.h>
 #include <linux/fcntl.h>
+#include <linux/platform_device.h>
 #ifdef LIRC_ON_SA1100
 #include <asm/hardware.h>
 #ifdef CONFIG_SA1100_COLLIE

@@ -487,9 +488,11 @@ static struct lirc_driver driver = {
 	.owner		= THIS_MODULE,
 };
 
+static struct platform_device *lirc_sir_dev;
 
 static int init_chrdev(void)
 {
+	driver.dev = &lirc_sir_dev->dev;
 	driver.minor = lirc_register_driver(&driver);
 	if (driver.minor < 0) {
 		printk(KERN_ERR LIRC_DRIVER_NAME ": init_chrdev() failed.\n");

@@ -1215,20 +1218,71 @@ static int init_lirc_sir(void)
 	return 0;
 }
 
+static int __devinit lirc_sir_probe(struct platform_device *dev)
+{
+	return 0;
+}
+
+static int __devexit lirc_sir_remove(struct platform_device *dev)
+{
+	return 0;
+}
+
+static struct platform_driver lirc_sir_driver = {
+	.probe		= lirc_sir_probe,
+	.remove		= __devexit_p(lirc_sir_remove),
+	.driver		= {
+		.name	= "lirc_sir",
+		.owner	= THIS_MODULE,
+	},
+};
 
 static int __init lirc_sir_init(void)
 {
 	int retval;
 
+	retval = platform_driver_register(&lirc_sir_driver);
+	if (retval) {
+		printk(KERN_ERR LIRC_DRIVER_NAME ": Platform driver register "
+		       "failed!\n");
+		return -ENODEV;
+	}
+
+	lirc_sir_dev = platform_device_alloc("lirc_dev", 0);
+	if (!lirc_sir_dev) {
+		printk(KERN_ERR LIRC_DRIVER_NAME ": Platform device alloc "
+		       "failed!\n");
+		retval = -ENOMEM;
+		goto pdev_alloc_fail;
+	}
+
+	retval = platform_device_add(lirc_sir_dev);
+	if (retval) {
+		printk(KERN_ERR LIRC_DRIVER_NAME ": Platform device add "
+		       "failed!\n");
+		retval = -ENODEV;
+		goto pdev_add_fail;
+	}
+
 	retval = init_chrdev();
 	if (retval < 0)
-		return retval;
+		goto fail;
+
 	retval = init_lirc_sir();
 	if (retval) {
 		drop_chrdev();
-		return retval;
+		goto fail;
 	}
+
 	return 0;
+
+fail:
+	platform_device_del(lirc_sir_dev);
+pdev_add_fail:
+	platform_device_put(lirc_sir_dev);
+pdev_alloc_fail:
+	platform_driver_unregister(&lirc_sir_driver);
+	return retval;
 }
 
 static void __exit lirc_sir_exit(void)

@@ -1236,6 +1290,8 @@ static void __exit lirc_sir_exit(void)
 	drop_hardware();
 	drop_chrdev();
 	drop_port();
+	platform_device_unregister(lirc_sir_dev);
+	platform_driver_unregister(&lirc_sir_driver);
 	printk(KERN_INFO LIRC_DRIVER_NAME ": Uninstalled.\n");
 }
 

@@ -58,13 +58,6 @@ union ktime {
 
 typedef union ktime ktime_t;		/* Kill this */
 
-#define KTIME_MAX			((s64)~((u64)1 << 63))
-#if (BITS_PER_LONG == 64)
-# define KTIME_SEC_MAX			(KTIME_MAX / NSEC_PER_SEC)
-#else
-# define KTIME_SEC_MAX			LONG_MAX
-#endif
-
 /*
  * ktime_t definitions when using the 64-bit scalar representation:
  */

@@ -107,11 +107,29 @@ static inline struct timespec timespec_s
 	return ts_delta;
 }
 
+#define KTIME_MAX			((s64)~((u64)1 << 63))
+#if (BITS_PER_LONG == 64)
+# define KTIME_SEC_MAX			(KTIME_MAX / NSEC_PER_SEC)
+#else
+# define KTIME_SEC_MAX			LONG_MAX
+#endif
+
 /*
  * Returns true if the timespec is norm, false if denorm:
  */
-#define timespec_valid(ts) \
-	(((ts)->tv_sec >= 0) && (((unsigned long) (ts)->tv_nsec) < NSEC_PER_SEC))
+static inline bool timespec_valid(const struct timespec *ts)
+{
+	/* Dates before 1970 are bogus */
+	if (ts->tv_sec < 0)
+		return false;
+	/* Can't have more nanoseconds then a second */
+	if ((unsigned long)ts->tv_nsec >= NSEC_PER_SEC)
+		return false;
+	/* Disallow values that could overflow ktime_t */
+	if ((unsigned long long)ts->tv_sec >= KTIME_SEC_MAX)
+		return false;
+	return true;
+}
 
 extern void read_persistent_clock(struct timespec *ts);
 extern void read_boot_clock(struct timespec *ts);

@@ -385,7 +385,7 @@ int do_settimeofday(const struct timespe
 	struct timespec ts_delta;
 	unsigned long flags;
 
-	if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
+	if (!timespec_valid(tv))
 		return -EINVAL;
 
 	write_seqlock_irqsave(&timekeeper.lock, flags);

@@ -420,6 +420,8 @@ EXPORT_SYMBOL(do_settimeofday);
 int timekeeping_inject_offset(struct timespec *ts)
 {
 	unsigned long flags;
+	struct timespec tmp;
+	int ret = 0;
 
 	if ((unsigned long)ts->tv_nsec >= NSEC_PER_SEC)
 		return -EINVAL;

@@ -428,10 +430,17 @@ int timekeeping_inject_offset(struct tim
 
 	timekeeping_forward_now();
 
+	tmp = timespec_add(timekeeper.xtime,  *ts);
+	if (!timespec_valid(&tmp)) {
+		ret = -EINVAL;
+		goto error;
+	}
+
 	timekeeper.xtime = timespec_add(timekeeper.xtime, *ts);
 	timekeeper.wall_to_monotonic =
 				timespec_sub(timekeeper.wall_to_monotonic, *ts);
 
+error: /* even if we error out, we forwarded the time, so call update */
 	timekeeping_update(true);
 
 	write_sequnlock_irqrestore(&timekeeper.lock, flags);

@@ -439,7 +448,7 @@ int timekeeping_inject_offset(struct tim
 	/* signal hrtimers about time change */
 	clock_was_set();
 
-	return 0;
+	return ret;
 }
 EXPORT_SYMBOL(timekeeping_inject_offset);
 

@@ -599,7 +608,20 @@ void __init timekeeping_init(void)
 	struct timespec now, boot;
 
 	read_persistent_clock(&now);
+	if (!timespec_valid(&now)) {
+		pr_warn("WARNING: Persistent clock returned invalid value!\n"
+			"         Check your CMOS/BIOS settings.\n");
+		now.tv_sec = 0;
+		now.tv_nsec = 0;
+	}
+
 	read_boot_clock(&boot);
+	if (!timespec_valid(&boot)) {
+		pr_warn("WARNING: Boot clock returned invalid value!\n"
+			"         Check your CMOS/BIOS settings.\n");
+		boot.tv_sec = 0;
+		boot.tv_nsec = 0;
+	}
 
 	seqlock_init(&timekeeper.lock);
 

@@ -1057,9 +1057,12 @@ static void update_wall_time(void)
 #else
 	offset = (clock->read(clock) - clock->cycle_last) & clock->mask;
 #endif
+	/* Check if there's really nothing to do */
+	if (offset < timekeeper.cycle_interval)
+		goto out;
+
 	timekeeper.xtime_nsec = (s64)timekeeper.xtime.tv_nsec <<
 						timekeeper.shift;
-
 	/*
 	 * With NO_HZ we may have to accumulate many cycle_intervals
 	 * (think "ticks") worth of time at once. To do this efficiently,

@@ -125,6 +125,13 @@ static inline bool timespec_valid(const
 	/* Can't have more nanoseconds then a second */
 	if ((unsigned long)ts->tv_nsec >= NSEC_PER_SEC)
 		return false;
+	return true;
+}
+
+static inline bool timespec_valid_strict(const struct timespec *ts)
+{
+	if (!timespec_valid(ts))
+		return false;
 	/* Disallow values that could overflow ktime_t */
 	if ((unsigned long long)ts->tv_sec >= KTIME_SEC_MAX)
 		return false;

@@ -385,7 +385,7 @@ int do_settimeofday(const struct timespe
 	struct timespec ts_delta;
 	unsigned long flags;
 
-	if (!timespec_valid(tv))
+	if (!timespec_valid_strict(tv))
 		return -EINVAL;
 
 	write_seqlock_irqsave(&timekeeper.lock, flags);

@@ -431,7 +431,7 @@ int timekeeping_inject_offset(struct tim
 	timekeeping_forward_now();
 
 	tmp = timespec_add(timekeeper.xtime,  *ts);
-	if (!timespec_valid(&tmp)) {
+	if (!timespec_valid_strict(&tmp)) {
 		ret = -EINVAL;
 		goto error;
 	}

@@ -608,7 +608,7 @@ void __init timekeeping_init(void)
 	struct timespec now, boot;
 
 	read_persistent_clock(&now);
-	if (!timespec_valid(&now)) {
+	if (!timespec_valid_strict(&now)) {
 		pr_warn("WARNING: Persistent clock returned invalid value!\n"
 			"         Check your CMOS/BIOS settings.\n");
 		now.tv_sec = 0;

@@ -616,7 +616,7 @@ void __init timekeeping_init(void)
 	}
 
 	read_boot_clock(&boot);
-	if (!timespec_valid(&boot)) {
+	if (!timespec_valid_strict(&boot)) {
 		pr_warn("WARNING: Boot clock returned invalid value!\n"
 			"         Check your CMOS/BIOS settings.\n");
 		boot.tv_sec = 0;

@@ -667,7 +667,7 @@ static void update_sleep_time(struct tim
  */
 static void __timekeeping_inject_sleeptime(struct timespec *delta)
 {
-	if (!timespec_valid(delta)) {
+	if (!timespec_valid_strict(delta)) {
 		printk(KERN_WARNING "__timekeeping_inject_sleeptime: Invalid "
 					"sleep delta value!\n");
 		return;

@@ -775,10 +775,11 @@ static ssize_t show_protocols(struct dev
 	if (dev->driver_type == RC_DRIVER_SCANCODE) {
 		enabled = dev->rc_map.rc_type;
 		allowed = dev->allowed_protos;
-	} else {
+	} else if (dev->raw) {
 		enabled = dev->raw->enabled_protocols;
 		allowed = ir_raw_get_allowed_protocols();
-	}
+	} else
+		return -ENODEV;
 
 	IR_dprintk(1, "allowed - 0x%llx, enabled - 0x%llx\n",
 		   (long long)allowed,

@@ -1255,6 +1255,7 @@ static int pch_uart_startup(struct uart_
 		break;
 	case 16:
 		fifo_size = PCH_UART_HAL_FIFO16;
+		break;
 	case 1:
 	default:
 		fifo_size = PCH_UART_HAL_FIFO_DIS;

@@ -754,7 +754,8 @@ static void pch_dma_rx_complete(void *ar
 		tty_flip_buffer_push(tty);
 	tty_kref_put(tty);
 	async_tx_ack(priv->desc_rx);
-	pch_uart_hal_enable_interrupt(priv, PCH_UART_HAL_RX_INT);
+	pch_uart_hal_enable_interrupt(priv, PCH_UART_HAL_RX_INT |
+					    PCH_UART_HAL_RX_ERR_INT);
 }
 
 static void pch_dma_tx_complete(void *arg)

@@ -809,7 +810,8 @@ static int handle_rx_to(struct eg20t_por
 	int rx_size;
 	int ret;
 	if (!priv->start_rx) {
-		pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_RX_INT);
+		pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_RX_INT |
+						     PCH_UART_HAL_RX_ERR_INT);
 		return 0;
 	}
 	buf = &priv->rxbuf;

@@ -1071,11 +1073,13 @@ static irqreturn_t pch_uart_interrupt(in
 		case PCH_UART_IID_RDR:	/* Received Data Ready */
 			if (priv->use_dma) {
 				pch_uart_hal_disable_interrupt(priv,
-							PCH_UART_HAL_RX_INT);
+						PCH_UART_HAL_RX_INT |
+						PCH_UART_HAL_RX_ERR_INT);
 				ret = dma_handle_rx(priv);
 				if (!ret)
 					pch_uart_hal_enable_interrupt(priv,
-							PCH_UART_HAL_RX_INT);
+						PCH_UART_HAL_RX_INT |
+						PCH_UART_HAL_RX_ERR_INT);
 			} else {
 				ret = handle_rx(priv);
 			}

@@ -1199,7 +1203,8 @@ static void pch_uart_stop_rx(struct uart
 	struct eg20t_port *priv;
 	priv = container_of(port, struct eg20t_port, port);
 	priv->start_rx = 0;
-	pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_RX_INT);
+	pch_uart_hal_disable_interrupt(priv, PCH_UART_HAL_RX_INT |
+					     PCH_UART_HAL_RX_ERR_INT);
 	priv->int_dis_flag = 1;
 }
 

@@ -1293,7 +1298,8 @@ static int pch_uart_startup(struct uart_
 		pch_request_dma(port);
 
 	priv->start_rx = 1;
-	pch_uart_hal_enable_interrupt(priv, PCH_UART_HAL_RX_INT);
+	pch_uart_hal_enable_interrupt(priv, PCH_UART_HAL_RX_INT |
+					    PCH_UART_HAL_RX_ERR_INT);
 	uart_update_timeout(port, CS8, default_baud);
 
 	return 0;

@@ -1357,7 +1357,7 @@ static void pch_uart_set_termios(struct
 		stb = PCH_UART_HAL_STB1;
 
 	if (termios->c_cflag & PARENB) {
-		if (!(termios->c_cflag & PARODD))
+		if (termios->c_cflag & PARODD)
 			parity = PCH_UART_HAL_PARITY_ODD;
 		else
 			parity = PCH_UART_HAL_PARITY_EVEN;

@@ -435,6 +435,8 @@ static void __init disable_one_node(stru
 		prom_update_property(np, new, old);
 	else
 		prom_add_property(np, new);
+
+	pr_info("p1022ds: disabling %s node\n", np->full_name);
 }
 
 /* TRUE if there is a "video=fslfb" command-line parameter. */

@@ -499,28 +501,46 @@ static void __init p1022_ds_setup_arch(v
 	diu_ops.valid_monitor_port	= p1022ds_valid_monitor_port;
 
 	/*
-	 * Disable the NOR flash node if there is video=fslfb... command-line
-	 * parameter.  When the DIU is active, NOR flash is unavailable, so we
-	 * have to disable the node before the MTD driver loads.
+	 * Disable the NOR and NAND flash nodes if there is video=fslfb...
+	 * command-line parameter.  When the DIU is active, the localbus is
+	 * unavailable, so we have to disable these nodes before the MTD
+	 * driver loads.
 	 */
 	if (fslfb) {
 		struct device_node *np =
 			of_find_compatible_node(NULL, NULL, "fsl,p1022-elbc");
 
 		if (np) {
-			np = of_find_compatible_node(np, NULL, "cfi-flash");
-			if (np) {
+			struct device_node *np2;
+
+			of_node_get(np);
+			np2 = of_find_compatible_node(np, NULL, "cfi-flash");
+			if (np2) {
 				static struct property nor_status = {
 					.name = "status",
 					.value = "disabled",
 					.length = sizeof("disabled"),
 				};
 
-				pr_info("p1022ds: disabling %s node",
-					np->full_name);
-				disable_one_node(np, &nor_status);
-				of_node_put(np);
+				disable_one_node(np2, &nor_status);
+				of_node_put(np2);
+			}
+
+			of_node_get(np);
+			np2 = of_find_compatible_node(np, NULL,
+						      "fsl,elbc-fcm-nand");
+			if (np2) {
+				static struct property nand_status = {
+					.name = "status",
+					.value = "disabled",
+					.length = sizeof("disabled"),
+				};
+
+				disable_one_node(np2, &nand_status);
+				of_node_put(np2);
 			}
+
+			of_node_put(np);
 		}
 
 	}

@@ -208,6 +208,7 @@ static void p1022ds_set_monitor_port(enu
 	u8 __iomem *lbc_lcs0_ba = NULL;
 	u8 __iomem *lbc_lcs1_ba = NULL;
 	phys_addr_t cs0_addr, cs1_addr;
+	u32 br0, or0, br1, or1;
 	const __be32 *iprop;
 	unsigned int num_laws;
 	u8 b;

@@ -256,11 +257,70 @@ static void p1022ds_set_monitor_port(enu
 	}
 	num_laws = be32_to_cpup(iprop);
 
-	cs0_addr = lbc_br_to_phys(ecm, num_laws, in_be32(&lbc->bank[0].br));
-	cs1_addr = lbc_br_to_phys(ecm, num_laws, in_be32(&lbc->bank[1].br));
+	/*
+	 * Indirect mode requires both BR0 and BR1 to be set to "GPCM",
+	 * otherwise writes to these addresses won't actually appear on the
+	 * local bus, and so the PIXIS won't see them.
+	 *
+	 * In FCM mode, writes go to the NAND controller, which does not pass
+	 * them to the localbus directly.  So we force BR0 and BR1 into GPCM
+	 * mode, since we don't care about what's behind the localbus any
+	 * more.
+	 */
+	br0 = in_be32(&lbc->bank[0].br);
+	br1 = in_be32(&lbc->bank[1].br);
+	or0 = in_be32(&lbc->bank[0].or);
+	or1 = in_be32(&lbc->bank[1].or);
+
+	/* Make sure CS0 and CS1 are programmed */
+	if (!(br0 & BR_V) || !(br1 & BR_V)) {
+		pr_err("p1022ds: CS0 and/or CS1 is not programmed\n");
+		goto exit;
+	}
+
+	/*
+	 * Use the existing BRx/ORx values if it's already GPCM. Otherwise,
+	 * force the values to simple 32KB GPCM windows with the most
+	 * conservative timing.
+	 */
+	if ((br0 & BR_MSEL) != BR_MS_GPCM) {
+		br0 = (br0 & BR_BA) | BR_V;
+		or0 = 0xFFFF8000 | 0xFF7;
+		out_be32(&lbc->bank[0].br, br0);
+		out_be32(&lbc->bank[0].or, or0);
+	}
+	if ((br1 & BR_MSEL) != BR_MS_GPCM) {
+		br1 = (br1 & BR_BA) | BR_V;
+		or1 = 0xFFFF8000 | 0xFF7;
+		out_be32(&lbc->bank[1].br, br1);
+		out_be32(&lbc->bank[1].or, or1);
+	}
+
+	cs0_addr = lbc_br_to_phys(ecm, num_laws, br0);
+	if (!cs0_addr) {
+		pr_err("p1022ds: could not determine physical address for CS0"
+		       " (BR0=%08x)\n", br0);
+		goto exit;
+	}
+	cs1_addr = lbc_br_to_phys(ecm, num_laws, br1);
+	if (!cs0_addr) {
+		pr_err("p1022ds: could not determine physical address for CS1"
+		       " (BR1=%08x)\n", br1);
+		goto exit;
+	}
 
 	lbc_lcs0_ba = ioremap(cs0_addr, 1);
+	if (!lbc_lcs0_ba) {
+		pr_err("p1022ds: could not ioremap CS0 address %llx\n",
+		       (unsigned long long)cs0_addr);
+		goto exit;
+	}
 	lbc_lcs1_ba = ioremap(cs1_addr, 1);
+	if (!lbc_lcs1_ba) {
+		pr_err("p1022ds: could not ioremap CS1 address %llx\n",
+		       (unsigned long long)cs1_addr);
+		goto exit;
+	}
 
 	/* Make sure we're in indirect mode first. */
 	if ((in_be32(&guts->pmuxcr) & PMUXCR_ELBCDIU_MASK) !=

@@ -252,6 +252,9 @@ struct eg20t_port {
 	dma_addr_t			rx_buf_dma;
 
 	struct dentry	*debugfs;
+
+	/* protect the eg20t_port private structure and io access to membase */
+	spinlock_t lock;
 };
 
 /**

@@ -1058,7 +1061,7 @@ static irqreturn_t pch_uart_interrupt(in
 	unsigned int iid;
 	unsigned long flags;
 
-	spin_lock_irqsave(&priv->port.lock, flags);
+	spin_lock_irqsave(&priv->lock, flags);
 	handled = 0;
 	while ((iid = pch_uart_hal_get_iid(priv)) > 1) {
 		switch (iid) {

@@ -1111,7 +1114,7 @@ static irqreturn_t pch_uart_interrupt(in
 			priv->int_dis_flag = 0;
 	}
 
-	spin_unlock_irqrestore(&priv->port.lock, flags);
+	spin_unlock_irqrestore(&priv->lock, flags);
 	return IRQ_RETVAL(handled);
 }
 

@@ -1223,9 +1226,9 @@ static void pch_uart_break_ctl(struct ua
 	unsigned long flags;
 
 	priv = container_of(port, struct eg20t_port, port);
-	spin_lock_irqsave(&port->lock, flags);
+	spin_lock_irqsave(&priv->lock, flags);
 	pch_uart_hal_set_break(priv, ctl);
-	spin_unlock_irqrestore(&port->lock, flags);
+	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
 /* Grab any interrupt resources and initialise any low level driver state. */

@@ -1375,7 +1378,8 @@ static void pch_uart_set_termios(struct
 
 	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / 16);
 
-	spin_lock_irqsave(&port->lock, flags);
+	spin_lock_irqsave(&priv->lock, flags);
+	spin_lock(&port->lock);
 
 	uart_update_timeout(port, termios->c_cflag, baud);
 	rtn = pch_uart_hal_set_line(priv, baud, parity, bits, stb);

@@ -1388,7 +1392,8 @@ static void pch_uart_set_termios(struct
 		tty_termios_encode_baud_rate(termios, baud, baud);
 
 out:
-	spin_unlock_irqrestore(&port->lock, flags);
+	spin_unlock(&port->lock);
+	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
 static const char *pch_uart_type(struct uart_port *port)

@@ -1538,8 +1543,9 @@ pch_console_write(struct console *co, co
 {
 	struct eg20t_port *priv;
 	unsigned long flags;
+	int priv_locked = 1;
+	int port_locked = 1;
 	u8 ier;
-	int locked = 1;
 
 	priv = pch_uart_ports[co->index];
 

@@ -1547,12 +1553,16 @@ pch_console_write(struct console *co, co
 
 	local_irq_save(flags);
 	if (priv->port.sysrq) {
-		/* serial8250_handle_port() already took the lock */
-		locked = 0;
+		spin_lock(&priv->lock);
+		/* serial8250_handle_port() already took the port lock */
+		port_locked = 0;
 	} else if (oops_in_progress) {
-		locked = spin_trylock(&priv->port.lock);
-	} else
+		priv_locked = spin_trylock(&priv->lock);
+		port_locked = spin_trylock(&priv->port.lock);
+	} else {
+		spin_lock(&priv->lock);
 		spin_lock(&priv->port.lock);
+	}
 
 	/*
 	 *	First save the IER then disable the interrupts

@@ -1570,8 +1580,10 @@ pch_console_write(struct console *co, co
 	wait_for_xmitr(priv, BOTH_EMPTY);
 	iowrite8(ier, priv->membase + UART_IER);
 
-	if (locked)
+	if (port_locked)
 		spin_unlock(&priv->port.lock);
+	if (priv_locked)
+		spin_unlock(&priv->lock);
 	local_irq_restore(flags);
 }
 

@@ -1669,6 +1681,8 @@ static struct eg20t_port *pch_uart_init_
 	pci_enable_msi(pdev);
 	pci_set_master(pdev);
 
+	spin_lock_init(&priv->lock);
+
 	iobase = pci_resource_start(pdev, 0);
 	mapbase = pci_resource_start(pdev, 1);
 	priv->mapbase = mapbase;

@@ -407,6 +407,14 @@ static const struct usb_device_id produc
 		.bInterfaceProtocol = 8, /* NOTE: This is the *slave* interface of the CDC Union! */
 		.driver_info        = (unsigned long)&qmi_wwan_info,
 	},
+	{	/* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */
+		.match_flags        = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = HUAWEI_VENDOR_ID,
+		.bInterfaceClass    = USB_CLASS_VENDOR_SPEC,
+		.bInterfaceSubClass = 1,
+		.bInterfaceProtocol = 56, /* NOTE: This is the *slave* interface of the CDC Union! */
+		.driver_info        = (unsigned long)&qmi_wwan_info,
+	},
 	{	/* Huawei E392, E398 and possibly others in "Windows mode"
 		 * using a combined control and data interface without any CDC
 		 * functional descriptors

@@ -480,6 +480,15 @@ static const struct usb_device_id produc
 		.bInterfaceProtocol = 0xff,
 		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
 	},
+	{	/* ZTE (Vodafone) K3765-Z */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x19d2,
+		.idProduct          = 0x2002,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
+	},
 	{	/* ZTE (Vodafone) K4505-Z */
 		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
 		.idVendor           = 0x19d2,

@@ -548,6 +548,8 @@ static const struct usb_device_id produc
 	{QMI_GOBI_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
 	{QMI_GOBI_DEVICE(0x05c6, 0x9205)},	/* Gobi 2000 Modem device */
 	{QMI_GOBI_DEVICE(0x1199, 0x9013)},	/* Sierra Wireless Gobi 3000 Modem device (MC8355) */
+	{QMI_GOBI_DEVICE(0x1199, 0x9015)},	/* Sierra Wireless Gobi 3000 Modem device */
+	{QMI_GOBI_DEVICE(0x1199, 0x9019)},	/* Sierra Wireless Gobi 3000 Modem device */
 	{ }					/* END */
 };
 MODULE_DEVICE_TABLE(usb, products);

@@ -346,6 +346,15 @@ static const struct driver_info	qmi_wwan
 	.data		= BIT(1), /* interface whitelist bitmap */
 };
 
+static const struct driver_info qmi_wwan_force_int2 = {
+	.description	= "Qualcomm WWAN/QMI device",
+	.flags		= FLAG_WWAN,
+	.bind		= qmi_wwan_bind_shared,
+	.unbind		= qmi_wwan_unbind_shared,
+	.manage_power	= qmi_wwan_manage_power,
+	.data		= BIT(2), /* interface whitelist bitmap */
+};
+
 static const struct driver_info	qmi_wwan_force_int3 = {
 	.description	= "Qualcomm WWAN/QMI device",
 	.flags		= FLAG_WWAN,

@@ -498,6 +507,15 @@ static const struct usb_device_id produc
 		.bInterfaceProtocol = 0xff,
 		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
 	},
+	{	/* ZTE MF60 */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x19d2,
+		.idProduct          = 0x1402,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_force_int2,
+	},
 	{	/* Sierra Wireless MC77xx in QMI mode */
 		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
 		.idVendor           = 0x1199,

@@ -453,6 +453,15 @@ static const struct usb_device_id produc
 		.bInterfaceProtocol = 0xff,
 		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
 	},
+	{	/* ZTE MF821D */
+		.match_flags        = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x19d2,
+		.idProduct          = 0x0326,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
+	},
 	{	/* ZTE (Vodafone) K3520-Z */
 		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
 		.idVendor           = 0x19d2,

@@ -534,6 +534,33 @@ static const struct usb_device_id produc
 		.bInterfaceProtocol = 0xff,
 		.driver_info        = (unsigned long)&qmi_wwan_sierra,
 	},
+	{	/* Sierra Wireless MC7700 */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x0f3d,
+		.idProduct          = 0x68a2,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_sierra,
+	},
+	{	/* Sierra Wireless MC7750 */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x114f,
+		.idProduct          = 0x68a2,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_sierra,
+	},
+	{	/* Sierra Wireless EM7700 */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x1199,
+		.idProduct          = 0x901c,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_sierra,
+	},
 
 	/* Gobi 1000 devices */
 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */

@@ -561,6 +588,8 @@ static const struct usb_device_id produc
 	{QMI_GOBI_DEVICE(0x05c6, 0x9265)},	/* Asus Gobi 2000 Modem device (VR305) */
 	{QMI_GOBI_DEVICE(0x05c6, 0x9235)},	/* Top Global Gobi 2000 Modem device (VR306) */
 	{QMI_GOBI_DEVICE(0x05c6, 0x9275)},	/* iRex Technologies Gobi 2000 Modem device (VR307) */
+	{QMI_GOBI_DEVICE(0x1199, 0x68a5)},	/* Sierra Wireless Modem */
+	{QMI_GOBI_DEVICE(0x1199, 0x68a9)},	/* Sierra Wireless Modem */
 	{QMI_GOBI_DEVICE(0x1199, 0x9001)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 	{QMI_GOBI_DEVICE(0x1199, 0x9002)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 	{QMI_GOBI_DEVICE(0x1199, 0x9003)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */

@@ -577,6 +606,8 @@ static const struct usb_device_id produc
 	{QMI_GOBI_DEVICE(0x1199, 0x9013)},	/* Sierra Wireless Gobi 3000 Modem device (MC8355) */
 	{QMI_GOBI_DEVICE(0x1199, 0x9015)},	/* Sierra Wireless Gobi 3000 Modem device */
 	{QMI_GOBI_DEVICE(0x1199, 0x9019)},	/* Sierra Wireless Gobi 3000 Modem device */
+	{QMI_GOBI_DEVICE(0x1199, 0x901b)},	/* Sierra Wireless MC7770 */
+
 	{ }					/* END */
 };
 MODULE_DEVICE_TABLE(usb, products);

@@ -444,6 +444,15 @@ static const struct usb_device_id produc
 		.bInterfaceProtocol = 0xff,
 		.driver_info        = (unsigned long)&qmi_wwan_shared,
 	},
+	{	/* Pantech UML290 - newer firmware */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x106c,
+		.idProduct          = 0x3718,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xf1,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_shared,
+	},
 	{	/* ZTE MF820D */
 		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
 		.idVendor           = 0x19d2,

@@ -516,6 +525,15 @@ static const struct usb_device_id produc
 		.bInterfaceProtocol = 0xff,
 		.driver_info        = (unsigned long)&qmi_wwan_force_int4,
 	},
+	{	/* ZTE (Vodafone) K5006-Z */
+		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor           = 0x19d2,
+		.idProduct          = 0x1018,
+		.bInterfaceClass    = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+		.driver_info        = (unsigned long)&qmi_wwan_force_int3,
+	},
 	{	/* ZTE MF60 */
 		.match_flags	    = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
 		.idVendor           = 0x19d2,

@@ -1983,10 +1983,10 @@ static void get_scan_count(struct mem_cg
 	 * proportional to the fraction of recently scanned pages on
 	 * each list that were recently referenced and in active use.
 	 */
-	ap = (anon_prio + 1) * (reclaim_stat->recent_scanned[0] + 1);
+	ap = anon_prio * (reclaim_stat->recent_scanned[0] + 1);
 	ap /= reclaim_stat->recent_rotated[0] + 1;
 
-	fp = (file_prio + 1) * (reclaim_stat->recent_scanned[1] + 1);
+	fp = file_prio * (reclaim_stat->recent_scanned[1] + 1);
 	fp /= reclaim_stat->recent_rotated[1] + 1;
 	spin_unlock_irq(&mz->zone->lru_lock);
 

@@ -1999,7 +1999,7 @@ out:
 		unsigned long scan;
 
 		scan = zone_nr_lru_pages(mz, lru);
-		if (priority || noswap) {
+		if (priority || noswap || !vmscan_swappiness(mz, sc)) {
 			scan >>= priority;
 			if (!scan && force_scan)
 				scan = SWAP_CLUSTER_MAX;

@@ -752,6 +752,7 @@ int __init parse_ioapics_under_ir(void)
 {
 	struct dmar_drhd_unit *drhd;
 	int ir_supported = 0;
+	int ioapic_idx;
 
 	for_each_drhd_unit(drhd) {
 		struct intel_iommu *iommu = drhd->iommu;

@@ -764,13 +765,20 @@ int __init parse_ioapics_under_ir(void)
 		}
 	}
 
-	if (ir_supported && ir_ioapic_num != nr_ioapics) {
-		printk(KERN_WARNING
-		       "Not all IO-APIC's listed under remapping hardware\n");
-		return -1;
+	if (!ir_supported)
+		return 0;
+
+	for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) {
+		int ioapic_id = mpc_ioapic_id(ioapic_idx);
+		if (!map_ioapic_to_ir(ioapic_id)) {
+			pr_err(FW_BUG "ioapic %d has no mapping iommu, "
+			       "interrupt remapping will be disabled\n",
+			       ioapic_id);
+			return -1;
+		}
 	}
 
-	return ir_supported;
+	return 1;
 }
 
 int __init ir_dev_scope_init(void)

@@ -346,7 +346,7 @@ retry:
 	 */
 	err = ubi_scan_add_used(ubi, si, new_seb->pnum, new_seb->ec,
 				vid_hdr, 0);
-	kfree(new_seb);
+	kmem_cache_free(si->scan_leb_slab, new_seb);
 	ubi_free_vid_hdr(ubi, vid_hdr);
 	return err;
 

@@ -359,7 +359,7 @@ write_error:
 		list_add(&new_seb->u.list, &si->erase);
 		goto retry;
 	}
-	kfree(new_seb);
+	kmem_cache_free(si->scan_leb_slab, new_seb);
 out_free:
 	ubi_free_vid_hdr(ubi, vid_hdr);
 	return err;

@@ -663,9 +663,7 @@ static ssize_t __write_ports_addfd(char
 
 	err = svc_addsock(nfsd_serv, fd, buf, SIMPLE_TRANSACTION_LIMIT);
 	if (err < 0) {
-		if (nfsd_serv->sv_nrthreads == 1)
-			svc_shutdown_net(nfsd_serv, net);
-		svc_destroy(nfsd_serv);
+		nfsd_destroy(net);
 		return err;
 	}
 

@@ -734,9 +732,7 @@ out_close:
 		svc_xprt_put(xprt);
 	}
 out_err:
-	if (nfsd_serv->sv_nrthreads == 1)
-		svc_shutdown_net(nfsd_serv, net);
-	svc_destroy(nfsd_serv);
+	nfsd_destroy(net);
 	return err;
 }
 

@@ -73,6 +73,15 @@ int		nfsd_nrpools(void);
 int		nfsd_get_nrthreads(int n, int *);
 int		nfsd_set_nrthreads(int n, int *);
 
+static inline void nfsd_destroy(struct net *net)
+{
+	int destroy = (nfsd_serv->sv_nrthreads == 1);
+
+	if (destroy)
+		svc_shutdown_net(nfsd_serv, net);
+	svc_destroy(nfsd_serv);
+}
+
 #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
 #ifdef CONFIG_NFSD_V2_ACL
 extern struct svc_version nfsd_acl_version2;

@@ -427,11 +427,7 @@ int nfsd_set_nrthreads(int n, int *nthre
 		if (err)
 			break;
 	}
-
-	if (nfsd_serv->sv_nrthreads == 1)
-		svc_shutdown_net(nfsd_serv, net);
-	svc_destroy(nfsd_serv);
-
+	nfsd_destroy(net);
 	return err;
 }
 

@@ -478,9 +474,7 @@ out_shutdown:
 	if (error < 0 && !nfsd_up_before)
 		nfsd_shutdown();
 out_destroy:
-	if (nfsd_serv->sv_nrthreads == 1)
-		svc_shutdown_net(nfsd_serv, net);
-	svc_destroy(nfsd_serv);		/* Release server */
+	nfsd_destroy(net);		/* Release server */
 out:
 	mutex_unlock(&nfsd_mutex);
 	return error;

@@ -682,9 +676,7 @@ int nfsd_pool_stats_release(struct inode
 
 	mutex_lock(&nfsd_mutex);
 	/* this function really, really should have been called svc_put() */
-	if (nfsd_serv->sv_nrthreads == 1)
-		svc_shutdown_net(nfsd_serv, net);
-	svc_destroy(nfsd_serv);
+	nfsd_destroy(net);
 	mutex_unlock(&nfsd_mutex);
 	return ret;
 }

@@ -80,6 +80,8 @@ static inline void nfsd_destroy(struct n
 	if (destroy)
 		svc_shutdown_net(nfsd_serv, net);
 	svc_destroy(nfsd_serv);
+	if (destroy)
+		nfsd_serv = NULL;
 }
 
 #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)

@@ -254,8 +254,6 @@ static void nfsd_shutdown(void)
 
 static void nfsd_last_thread(struct svc_serv *serv, struct net *net)
 {
-	/* When last nfsd thread exits we need to do some clean-up */
-	nfsd_serv = NULL;
 	nfsd_shutdown();
 
 	svc_rpcb_cleanup(serv, net);

@@ -332,6 +330,7 @@ static int nfsd_get_default_max_blksize(
 int nfsd_create_serv(void)
 {
 	int error;
+	struct net *net = current->nsproxy->net_ns;
 
 	WARN_ON(!mutex_is_locked(&nfsd_mutex));
 	if (nfsd_serv) {

@@ -346,7 +345,7 @@ int nfsd_create_serv(void)
 	if (nfsd_serv == NULL)
 		return -ENOMEM;
 
-	error = svc_bind(nfsd_serv, current->nsproxy->net_ns);
+	error = svc_bind(nfsd_serv, net);
 	if (error < 0) {
 		svc_destroy(nfsd_serv);
 		return error;

@@ -557,12 +556,13 @@ nfsd(void *vrqstp)
 	nfsdstats.th_cnt --;
 
 out:
-	if (rqstp->rq_server->sv_nrthreads == 1)
-		svc_shutdown_net(rqstp->rq_server, &init_net);
+	rqstp->rq_server = NULL;
 
 	/* Release the thread */
 	svc_exit_thread(rqstp);
 
+	nfsd_destroy(&init_net);
+
 	/* Release module */
 	mutex_unlock(&nfsd_mutex);
 	module_put_and_exit(0);

@@ -378,6 +378,19 @@ repeat:
 }
 EXPORT_SYMBOL_GPL(kthread_worker_fn);
 
+/* insert @work before @pos in @worker */
+static void insert_kthread_work(struct kthread_worker *worker,
+			       struct kthread_work *work,
+			       struct list_head *pos)
+{
+	lockdep_assert_held(&worker->lock);
+
+	list_add_tail(&work->node, pos);
+	work->queue_seq++;
+	if (likely(worker->task))
+		wake_up_process(worker->task);
+}
+
 /**
  * queue_kthread_work - queue a kthread_work
  * @worker: target kthread_worker

@@ -395,10 +408,7 @@ bool queue_kthread_work(struct kthread_w
 
 	spin_lock_irqsave(&worker->lock, flags);
 	if (list_empty(&work->node)) {
-		list_add_tail(&work->node, &worker->work_list);
-		work->queue_seq++;
-		if (likely(worker->task))
-			wake_up_process(worker->task);
+		insert_kthread_work(worker, work, &worker->work_list);
 		ret = true;
 	}
 	spin_unlock_irqrestore(&worker->lock, flags);

@@ -406,6 +416,18 @@ bool queue_kthread_work(struct kthread_w
 }
 EXPORT_SYMBOL_GPL(queue_kthread_work);
 
+struct kthread_flush_work {
+	struct kthread_work	work;
+	struct completion	done;
+};
+
+static void kthread_flush_work_fn(struct kthread_work *work)
+{
+	struct kthread_flush_work *fwork =
+		container_of(work, struct kthread_flush_work, work);
+	complete(&fwork->done);
+}
+
 /**
  * flush_kthread_work - flush a kthread_work
  * @work: work to flush

@@ -436,18 +458,6 @@ void flush_kthread_work(struct kthread_w
 }
 EXPORT_SYMBOL_GPL(flush_kthread_work);
 
-struct kthread_flush_work {
-	struct kthread_work	work;
-	struct completion	done;
-};
-
-static void kthread_flush_work_fn(struct kthread_work *work)
-{
-	struct kthread_flush_work *fwork =
-		container_of(work, struct kthread_flush_work, work);
-	complete(&fwork->done);
-}
-
 /**
  * flush_kthread_worker - flush all current works on a kthread_worker
  * @worker: worker to flush

@@ -49,8 +49,6 @@ extern int tsk_fork_get_node(struct task
  * can be queued and flushed using queue/flush_kthread_work()
  * respectively.  Queued kthread_works are processed by a kthread
  * running kthread_worker_fn().
- *
- * A kthread_work can't be freed while it is executing.
  */
 struct kthread_work;
 typedef void (*kthread_work_func_t)(struct kthread_work *work);

@@ -59,15 +57,14 @@ struct kthread_worker {
 	spinlock_t		lock;
 	struct list_head	work_list;
 	struct task_struct	*task;
+	struct kthread_work	*current_work;
 };
 
 struct kthread_work {
 	struct list_head	node;
 	kthread_work_func_t	func;
 	wait_queue_head_t	done;
-	atomic_t		flushing;
-	int			queue_seq;
-	int			done_seq;
+	struct kthread_worker	*worker;
 };
 
 #define KTHREAD_WORKER_INIT(worker)	{				\

@@ -79,7 +76,6 @@ struct kthread_work {
 	.node = LIST_HEAD_INIT((work).node),				\
 	.func = (fn),							\
 	.done = __WAIT_QUEUE_HEAD_INITIALIZER((work).done),		\
-	.flushing = ATOMIC_INIT(0),					\
 	}
 
 #define DEFINE_KTHREAD_WORKER(worker)					\

77 lines not on this page · raw message

@@ -251,10 +251,9 @@ out_err:
 	return err;
 }
 
-static int lockd_up_net(struct net *net)
+static int lockd_up_net(struct svc_serv *serv, struct net *net)
 {
 	struct lockd_net *ln = net_generic(net, lockd_net_id);
-	struct svc_serv *serv = nlmsvc_rqst->rq_server;
 	int error;
 
 	if (ln->nlmsvc_users++)

@@ -276,10 +275,9 @@ err_rpcb:
 	return error;
 }
 
-static void lockd_down_net(struct net *net)
+static void lockd_down_net(struct svc_serv *serv, struct net *net)
 {
 	struct lockd_net *ln = net_generic(net, lockd_net_id);
-	struct svc_serv *serv = nlmsvc_rqst->rq_server;
 
 	if (ln->nlmsvc_users) {
 		if (--ln->nlmsvc_users == 0) {

@@ -307,7 +305,7 @@ int lockd_up(struct net *net)
 	 * Check whether we're already up and running.
 	 */
 	if (nlmsvc_rqst) {
-		error = lockd_up_net(net);
+		error = lockd_up_net(nlmsvc_rqst->rq_server, net);
 		goto out;
 	}
 

@@ -378,7 +376,7 @@ out:
 	return error;
 
 err_start:
-	lockd_down_net(net);
+	lockd_down_net(serv, net);
 	goto destroy_and_out;
 }
 EXPORT_SYMBOL_GPL(lockd_up);

@@ -390,7 +388,7 @@ void
 lockd_down(struct net *net)
 {
 	mutex_lock(&nlmsvc_mutex);
-	lockd_down_net(net);
+	lockd_down_net(nlmsvc_rqst->rq_server, net);
 	if (nlmsvc_users) {
 		if (--nlmsvc_users)
 			goto out;

@@ -466,7 +466,8 @@ static irqreturn_t ohci_hcd_at91_overcur
 	/* From the GPIO notifying the over-current situation, find
 	 * out the corresponding port */
 	at91_for_each_port(port) {
-		if (gpio_to_irq(pdata->overcurrent_pin[port]) == irq) {
+		if (gpio_is_valid(pdata->overcurrent_pin[port]) &&
+				gpio_to_irq(pdata->overcurrent_pin[port]) == irq) {
 			gpio = pdata->overcurrent_pin[port];
 			break;
 		}

@@ -624,7 +624,7 @@ static ssize_t usb_device_read(struct fi
 	/* print devices for all busses */
 	list_for_each_entry(bus, &usb_bus_list, bus_list) {
 		/* recurse through all children of the root hub */
-		if (!bus->root_hub)
+		if (!bus_to_hcd(bus)->rh_registered)
 			continue;
 		usb_lock_device(bus->root_hub);
 		ret = usb_device_dump(&buf, &nbytes, &skip_bytes, ppos,

@@ -1002,10 +1002,7 @@ static int register_root_hub(struct usb_
 	if (retval) {
 		dev_err (parent_dev, "can't register root hub for %s, %d\n",
 				dev_name(&usb_dev->dev), retval);
-	}
-	mutex_unlock(&usb_bus_list_lock);
-
-	if (retval == 0) {
+	} else {
 		spin_lock_irq (&hcd_root_hub_lock);
 		hcd->rh_registered = 1;
 		spin_unlock_irq (&hcd_root_hub_lock);

@@ -1014,6 +1011,7 @@ static int register_root_hub(struct usb_
 		if (HCD_DEAD(hcd))
 			usb_hc_died (hcd);	/* This time clean up */
 	}
+	mutex_unlock(&usb_bus_list_lock);
 
 	return retval;
 }

@@ -692,7 +692,7 @@ static int wm2000_resume(struct snd_soc_
 #endif
 
 static const struct regmap_config wm2000_regmap = {
-	.reg_bits = 8,
+	.reg_bits = 16,
 	.val_bits = 8,
 };
 

@@ -304,6 +304,7 @@ static int lpc32xx_gpio_dir_output_p012(
 {
 	struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
 
+	__set_gpio_level_p012(group, pin, value);
 	__set_gpio_dir_p012(group, pin, 0);
 
 	return 0;

@@ -314,6 +315,7 @@ static int lpc32xx_gpio_dir_output_p3(st
 {
 	struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
 
+	__set_gpio_level_p3(group, pin, value);
 	__set_gpio_dir_p3(group, pin, 0);
 
 	return 0;

@@ -322,6 +324,9 @@ static int lpc32xx_gpio_dir_output_p3(st
 static int lpc32xx_gpio_dir_out_always(struct gpio_chip *chip, unsigned pin,
 	int value)
 {
+	struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
+
+	__set_gpo_level_p3(group, pin, value);
 	return 0;
 }
 

@@ -69,6 +69,13 @@ static int udl_get_modes(struct drm_conn
 static int udl_mode_valid(struct drm_connector *connector,
 			  struct drm_display_mode *mode)
 {
+	struct udl_device *udl = connector->dev->dev_private;
+	if (!udl->sku_pixel_limit)
+		return 0;
+
+	if (mode->vdisplay * mode->hdisplay > udl->sku_pixel_limit)
+		return MODE_VIRTUAL_Y;
+
 	return 0;
 }
 

@@ -266,6 +266,36 @@ static bool intel_crt_detect_hotplug(str
 	return ret;
 }
 
+static struct edid *intel_crt_get_edid(struct drm_connector *connector,
+				struct i2c_adapter *i2c)
+{
+	struct edid *edid;
+
+	edid = drm_get_edid(connector, i2c);
+
+	if (!edid && !intel_gmbus_is_forced_bit(i2c)) {
+		DRM_DEBUG_KMS("CRT GMBUS EDID read failed, retry using GPIO bit-banging\n");
+		intel_gmbus_force_bit(i2c, true);
+		edid = drm_get_edid(connector, i2c);
+		intel_gmbus_force_bit(i2c, false);
+	}
+
+	return edid;
+}
+
+/* local version of intel_ddc_get_modes() to use intel_crt_get_edid() */
+static int intel_crt_ddc_get_modes(struct drm_connector *connector,
+				struct i2c_adapter *adapter)
+{
+	struct edid *edid;
+
+	edid = intel_crt_get_edid(connector, adapter);
+	if (!edid)
+		return 0;
+
+	return intel_connector_update_modes(connector, edid);
+}
+
 static bool intel_crt_detect_ddc(struct drm_connector *connector)
 {
 	struct intel_crt *crt = intel_attached_crt(connector);

@@ -279,7 +309,7 @@ static bool intel_crt_detect_ddc(struct
 		struct edid *edid;
 		bool is_digital = false;
 
-		edid = drm_get_edid(connector,
+		edid = intel_crt_get_edid(connector,
 			&dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
 		/*
 		 * This may be a DVI-I connector with a shared DDC

@@ -477,13 +507,13 @@ static int intel_crt_get_modes(struct dr
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int ret;
 
-	ret = intel_ddc_get_modes(connector,
+	ret = intel_crt_ddc_get_modes(connector,
 				 &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
 	if (ret || !IS_G4X(dev))
 		return ret;
 
 	/* Try to probe digital port for output in DVI-I -> VGA mode. */
-	return intel_ddc_get_modes(connector,
+	return intel_crt_ddc_get_modes(connector,
 				   &dev_priv->gmbus[GMBUS_PORT_DPB].adapter);
 }
 

@@ -1018,7 +1018,7 @@ int vmw_event_fence_action_create(struct
 	}
 
 
-	event = kzalloc(sizeof(event->event), GFP_KERNEL);
+	event = kzalloc(sizeof(*event), GFP_KERNEL);
 	if (unlikely(event == NULL)) {
 		DRM_ERROR("Failed to allocate an event.\n");
 		ret = -ENOMEM;

@@ -258,6 +258,8 @@ static int init_ring_common(struct intel
 	I915_WRITE_HEAD(ring, 0);
 	ring->write_tail(ring, 0);
 
+	/* Initialize the ring. */
+	I915_WRITE_START(ring, obj->gtt_offset);
 	head = I915_READ_HEAD(ring) & HEAD_ADDR;
 
 	/* G45 ring initialization fails to reset head to zero */

@@ -283,11 +285,6 @@ static int init_ring_common(struct intel
 		}
 	}
 
-	/* Initialize the ring. This must happen _after_ we've cleared the ring
-	 * registers with the above sequence (the readback of the HEAD registers
-	 * also enforces ordering), otherwise the hw might lose the new ring
-	 * register values. */
-	I915_WRITE_START(ring, obj->gtt_offset);
 	I915_WRITE_CTL(ring,
 			((ring->size - PAGE_SIZE) & RING_NR_PAGES)
 			| RING_VALID);