4.10.3-stable review

cover

	kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.10.3-rc1.gz
    Linux 4.10.3-rc1
    drm/i915: Pass timeout==0 on to i915_gem_object_wait_fence()
    memory/atmel-ebi: Fix ns <-> cycles conversions
    Bluetooth: Add another AR3012 04ca:3018 device
    serial: 8250_pci: Add MKS Tenta SCOM-0800 and SCOM-0801 cards
 Makefile                                           |   4 +-
 arch/s390/include/asm/processor.h                  |   3 +-
 arch/s390/kernel/crash_dump.c                      |   6 +-
 arch/s390/kernel/setup.c                           |   8 +-
 arch/s390/kernel/topology.c                        |   2 +-
 arch/s390/kvm/kvm-s390.c                           |   3 +
 arch/x86/include/asm/tlbflush.h                    |   2 +-
 arch/x86/kvm/vmx.c                                 |   4 +-
 arch/x86/mm/gup.c                                  |   8 +-
 arch/xtensa/kernel/setup.c                         |   4 +-
 drivers/acpi/nfit/core.c                           |  16 +-
 drivers/bluetooth/ath3k.c                          |   2 +
 drivers/bluetooth/btusb.c                          |   1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c             |   3 +-
 drivers/gpu/drm/amd/amdgpu/dce_v11_0.c             |   6 +
 drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c              | 330 +++++++++------------
 drivers/gpu/drm/ast/ast_drv.h                      |   6 +-
 drivers/gpu/drm/ast/ast_main.c                     | 264 ++++++++++-------
 drivers/gpu/drm/ast/ast_post.c                     |  55 +++-
 drivers/gpu/drm/drm_atomic_helper.c                |   2 +-
 drivers/gpu/drm/drm_edid.c                         |   3 +
 drivers/gpu/drm/drm_fb_helper.c                    |   3 +
 drivers/gpu/drm/i915/i915_gem.c                    |   4 +-
 drivers/gpu/drm/i915/i915_gem_internal.c           |  37 ++-
 drivers/gpu/drm/i915/i915_gem_request.c            |   7 +-
 drivers/gpu/drm/i915/i915_gem_stolen.c             |   5 +
 drivers/gpu/drm/i915/intel_dp.c                    |   6 +-
 drivers/gpu/drm/i915/intel_opregion.c              |  13 +-
 drivers/gpu/drm/imx/imx-tve.c                      |   7 +-
 drivers/gpu/drm/radeon/radeon_bios.c               |  66 +++--
 drivers/gpu/drm/ttm/ttm_bo.c                       |   4 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c                |  11 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h                |   4 +-
 drivers/hv/hv.c                                    |   2 +-
 drivers/infiniband/hw/mlx5/srq.c                   |  11 +-
 drivers/infiniband/ulp/ipoib/ipoib_cm.c            |  12 +-
 drivers/infiniband/ulp/ipoib/ipoib_main.c          |  36 +--
 drivers/infiniband/ulp/srp/ib_srp.c                |  61 ++--
 drivers/infiniband/ulp/srp/ib_srp.h                |   1 +
 drivers/memory/atmel-ebi.c                         |  27 +-
 drivers/misc/cxl/cxl.h                             |   3 +
 drivers/misc/cxl/main.c                            |   2 +-
 drivers/misc/cxl/pci.c                             |   9 +
 drivers/misc/cxl/vphb.c                            |  61 ++--
 drivers/net/ethernet/marvell/mvpp2.c               |   2 +-
 .../wireless/broadcom/brcm80211/brcmfmac/sdio.c    |   2 +-
 drivers/nvdimm/namespace_devs.c                    |  18 +-
 drivers/nvdimm/nd.h                                |   1 +
 drivers/nvdimm/region_devs.c                       |   9 +
 drivers/pci/hotplug/pnv_php.c                      |  32 +-
 drivers/phy/phy-qcom-ufs.c                         |  11 +-
 drivers/pwm/pwm-pca9685.c                          |  11 -
 drivers/s390/block/dcssblk.c                       |   2 +-
 drivers/s390/cio/ioasm.c                           |   8 +-
 drivers/s390/cio/qdio_thinint.c                    |   8 +-
 drivers/target/target_core_device.c                |  10 +-
 drivers/target/target_core_tpg.c                   |   3 +-
 drivers/target/target_core_transport.c             |  31 +-
 drivers/tty/n_hdlc.c                               | 132 +++++----
 drivers/tty/serial/8250/8250_pci.c                 |  13 +
 fs/afs/mntpt.c                                     |   2 +-
 fs/autofs4/waitq.c                                 |   4 +-
 fs/btrfs/inode.c                                   |  19 +-
 fs/ceph/mds_client.c                               |   5 +-
 fs/cifs/cifs_dfs_ref.c                             |   7 +-
 fs/debugfs/inode.c                                 |   8 +-
 fs/fat/inode.c                                     |  13 +-
 fs/mount.h                                         |   1 -
 fs/namei.c                                         |   3 -
 fs/namespace.c                                     | 127 ++++----
 fs/nfs/namespace.c                                 |   2 +-
 fs/nfs/nfs4namespace.c                             |   2 +-
 fs/orangefs/super.c                                |   9 +-
 fs/pnode.c                                         |  61 +++-
 fs/pnode.h                                         |   2 +
 fs/super.c                                         |  13 +-
 include/linux/ceph/osdmap.h                        |   2 +-
 include/linux/debugfs.h                            |   3 +-
 include/linux/libnvdimm.h                          |   2 +
 include/linux/lockd/lockd.h                        |   3 +-
 include/linux/mount.h                              |   3 +
 include/target/target_core_base.h                  |   1 +
 include/uapi/linux/fs.h                            |   1 +
 kernel/trace/trace.c                               |   4 +-
 kernel/trace/trace_benchmark.c                     |   4 +-
 mm/kasan/quarantine.c                              |   9 +-
 mm/memcontrol.c                                    |  11 +-
 mm/mlock.c                                         |   9 +-
 net/mac80211/agg-rx.c                              |   1 +
 net/mac80211/pm.c                                  |   1 +
 net/mac80211/rx.c                                  |  30 +-
 net/mac80211/sta_info.h                            |   6 +-
 net/mac80211/status.c                              |   3 +-
 tools/testing/ktest/ktest.pl                       |   2 +-
 94 files changed, 1077 insertions(+), 713 deletions(-)
---
 drivers/tty/n_hdlc.c |  132 ++++++++++++++++++++++++++-------------------------
 1 file changed, 69 insertions(+), 63 deletions(-)
@@ -114,7 +114,7 @@
 #define DEFAULT_TX_BUF_COUNT 3
 
 struct n_hdlc_buf {
-	struct n_hdlc_buf *link;
+	struct list_head  list_item;
 	int		  count;
 	char		  buf[1];
 };

@@ -122,8 +122,7 @@ struct n_hdlc_buf {
 #define	N_HDLC_BUF_SIZE	(sizeof(struct n_hdlc_buf) + maxframe)
 
 struct n_hdlc_buf_list {
-	struct n_hdlc_buf *head;
-	struct n_hdlc_buf *tail;
+	struct list_head  list;
 	int		  count;
 	spinlock_t	  spinlock;
 };

@@ -136,7 +135,6 @@ struct n_hdlc_buf_list {
  * @backup_tty - TTY to use if tty gets closed
  * @tbusy - reentrancy flag for tx wakeup code
  * @woke_up - FIXME: describe this field
- * @tbuf - currently transmitting tx buffer
  * @tx_buf_list - list of pending transmit frame buffers
  * @rx_buf_list - list of received frame buffers
  * @tx_free_buf_list - list unused transmit frame buffers

@@ -149,7 +147,6 @@ struct n_hdlc {
 	struct tty_struct	*backup_tty;
 	int			tbusy;
 	int			woke_up;
-	struct n_hdlc_buf	*tbuf;
 	struct n_hdlc_buf_list	tx_buf_list;
 	struct n_hdlc_buf_list	rx_buf_list;
 	struct n_hdlc_buf_list	tx_free_buf_list;

@@ -159,6 +156,8 @@ struct n_hdlc {
 /*
  * HDLC buffer list manipulation functions
  */
+static void n_hdlc_buf_return(struct n_hdlc_buf_list *buf_list,
+						struct n_hdlc_buf *buf);
 static void n_hdlc_buf_put(struct n_hdlc_buf_list *list,
 			   struct n_hdlc_buf *buf);
 static struct n_hdlc_buf *n_hdlc_buf_get(struct n_hdlc_buf_list *list);

@@ -208,16 +207,9 @@ static void flush_tx_queue(struct tty_st
 {
 	struct n_hdlc *n_hdlc = tty2n_hdlc(tty);
 	struct n_hdlc_buf *buf;
-	unsigned long flags;
 
 	while ((buf = n_hdlc_buf_get(&n_hdlc->tx_buf_list)))
 		n_hdlc_buf_put(&n_hdlc->tx_free_buf_list, buf);
- 	spin_lock_irqsave(&n_hdlc->tx_buf_list.spinlock, flags);
-	if (n_hdlc->tbuf) {
-		n_hdlc_buf_put(&n_hdlc->tx_free_buf_list, n_hdlc->tbuf);
-		n_hdlc->tbuf = NULL;
-	}
-	spin_unlock_irqrestore(&n_hdlc->tx_buf_list.spinlock, flags);
 }
 
 static struct tty_ldisc_ops n_hdlc_ldisc = {

@@ -283,7 +275,6 @@ static void n_hdlc_release(struct n_hdlc
 		} else
 			break;
 	}
-	kfree(n_hdlc->tbuf);
 	kfree(n_hdlc);
 	
 }	/* end of n_hdlc_release() */

@@ -402,13 +393,7 @@ static void n_hdlc_send_frames(struct n_
 	n_hdlc->woke_up = 0;
 	spin_unlock_irqrestore(&n_hdlc->tx_buf_list.spinlock, flags);
 
-	/* get current transmit buffer or get new transmit */
-	/* buffer from list of pending transmit buffers */
-		
-	tbuf = n_hdlc->tbuf;
-	if (!tbuf)
-		tbuf = n_hdlc_buf_get(&n_hdlc->tx_buf_list);
-		
+	tbuf = n_hdlc_buf_get(&n_hdlc->tx_buf_list);
 	while (tbuf) {
 		if (debuglevel >= DEBUG_LEVEL_INFO)	
 			printk("%s(%d)sending frame %p, count=%d\n",

@@ -420,7 +405,7 @@ static void n_hdlc_send_frames(struct n_
 
 		/* rollback was possible and has been done */
 		if (actual == -ERESTARTSYS) {
-			n_hdlc->tbuf = tbuf;
+			n_hdlc_buf_return(&n_hdlc->tx_buf_list, tbuf);
 			break;
 		}
 		/* if transmit error, throw frame away by */

@@ -435,10 +420,7 @@ static void n_hdlc_send_frames(struct n_
 					
 			/* free current transmit buffer */
 			n_hdlc_buf_put(&n_hdlc->tx_free_buf_list, tbuf);
-			
-			/* this tx buffer is done */
-			n_hdlc->tbuf = NULL;
-			
+
 			/* wait up sleeping writers */
 			wake_up_interruptible(&tty->write_wait);
 	

@@ -448,10 +430,12 @@ static void n_hdlc_send_frames(struct n_
 			if (debuglevel >= DEBUG_LEVEL_INFO)	
 				printk("%s(%d)frame %p pending\n",
 					__FILE__,__LINE__,tbuf);
-					
-			/* buffer not accepted by driver */
-			/* set this buffer as pending buffer */
-			n_hdlc->tbuf = tbuf;
+
+			/*
+			 * the buffer was not accepted by driver,
+			 * return it back into tx queue
+			 */
+			n_hdlc_buf_return(&n_hdlc->tx_buf_list, tbuf);
 			break;
 		}
 	}

@@ -749,7 +733,8 @@ static int n_hdlc_tty_ioctl(struct tty_s
 	int error = 0;
 	int count;
 	unsigned long flags;
-	
+	struct n_hdlc_buf *buf = NULL;
+
 	if (debuglevel >= DEBUG_LEVEL_INFO)	
 		printk("%s(%d)n_hdlc_tty_ioctl() called %d\n",
 			__FILE__,__LINE__,cmd);

@@ -763,8 +748,10 @@ static int n_hdlc_tty_ioctl(struct tty_s
 		/* report count of read data available */
 		/* in next available frame (if any) */
 		spin_lock_irqsave(&n_hdlc->rx_buf_list.spinlock,flags);
-		if (n_hdlc->rx_buf_list.head)
-			count = n_hdlc->rx_buf_list.head->count;
+		buf = list_first_entry_or_null(&n_hdlc->rx_buf_list.list,
+						struct n_hdlc_buf, list_item);
+		if (buf)
+			count = buf->count;
 		else
 			count = 0;
 		spin_unlock_irqrestore(&n_hdlc->rx_buf_list.spinlock,flags);

@@ -776,8 +763,10 @@ static int n_hdlc_tty_ioctl(struct tty_s
 		count = tty_chars_in_buffer(tty);
 		/* add size of next output frame in queue */
 		spin_lock_irqsave(&n_hdlc->tx_buf_list.spinlock,flags);
-		if (n_hdlc->tx_buf_list.head)
-			count += n_hdlc->tx_buf_list.head->count;
+		buf = list_first_entry_or_null(&n_hdlc->tx_buf_list.list,
+						struct n_hdlc_buf, list_item);
+		if (buf)
+			count += buf->count;
 		spin_unlock_irqrestore(&n_hdlc->tx_buf_list.spinlock,flags);
 		error = put_user(count, (int __user *)arg);
 		break;

@@ -825,14 +814,14 @@ static unsigned int n_hdlc_tty_poll(stru
 		poll_wait(filp, &tty->write_wait, wait);
 
 		/* set bits for operations that won't block */
-		if (n_hdlc->rx_buf_list.head)
+		if (!list_empty(&n_hdlc->rx_buf_list.list))
 			mask |= POLLIN | POLLRDNORM;	/* readable */
 		if (test_bit(TTY_OTHER_CLOSED, &tty->flags))
 			mask |= POLLHUP;
 		if (tty_hung_up_p(filp))
 			mask |= POLLHUP;
 		if (!tty_is_writelocked(tty) &&
-				n_hdlc->tx_free_buf_list.head)
+				!list_empty(&n_hdlc->tx_free_buf_list.list))
 			mask |= POLLOUT | POLLWRNORM;	/* writable */
 	}
 	return mask;

@@ -856,7 +845,12 @@ static struct n_hdlc *n_hdlc_alloc(void)
 	spin_lock_init(&n_hdlc->tx_free_buf_list.spinlock);
 	spin_lock_init(&n_hdlc->rx_buf_list.spinlock);
 	spin_lock_init(&n_hdlc->tx_buf_list.spinlock);
-	
+
+	INIT_LIST_HEAD(&n_hdlc->rx_free_buf_list.list);
+	INIT_LIST_HEAD(&n_hdlc->tx_free_buf_list.list);
+	INIT_LIST_HEAD(&n_hdlc->rx_buf_list.list);
+	INIT_LIST_HEAD(&n_hdlc->tx_buf_list.list);
+
 	/* allocate free rx buffer list */
 	for(i=0;i<DEFAULT_RX_BUF_COUNT;i++) {
 		buf = kmalloc(N_HDLC_BUF_SIZE, GFP_KERNEL);

@@ -884,53 +878,65 @@ static struct n_hdlc *n_hdlc_alloc(void)
 }	/* end of n_hdlc_alloc() */
 
 /**
+ * n_hdlc_buf_return - put the HDLC buffer after the head of the specified list
+ * @buf_list - pointer to the buffer list
+ * @buf - pointer to the buffer
+ */
+static void n_hdlc_buf_return(struct n_hdlc_buf_list *buf_list,
+						struct n_hdlc_buf *buf)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&buf_list->spinlock, flags);
+
+	list_add(&buf->list_item, &buf_list->list);
+	buf_list->count++;
+
+	spin_unlock_irqrestore(&buf_list->spinlock, flags);
+}
+
+/**
  * n_hdlc_buf_put - add specified HDLC buffer to tail of specified list
- * @list - pointer to buffer list
+ * @buf_list - pointer to buffer list
  * @buf	- pointer to buffer
  */
-static void n_hdlc_buf_put(struct n_hdlc_buf_list *list,
+static void n_hdlc_buf_put(struct n_hdlc_buf_list *buf_list,
 			   struct n_hdlc_buf *buf)
 {
 	unsigned long flags;
-	spin_lock_irqsave(&list->spinlock,flags);
-	
-	buf->link=NULL;
-	if (list->tail)
-		list->tail->link = buf;
-	else
-		list->head = buf;
-	list->tail = buf;
-	(list->count)++;
-	
-	spin_unlock_irqrestore(&list->spinlock,flags);
-	
+
+	spin_lock_irqsave(&buf_list->spinlock, flags);
+
+	list_add_tail(&buf->list_item, &buf_list->list);
+	buf_list->count++;
+
+	spin_unlock_irqrestore(&buf_list->spinlock, flags);
 }	/* end of n_hdlc_buf_put() */
 
 /**
  * n_hdlc_buf_get - remove and return an HDLC buffer from list
- * @list - pointer to HDLC buffer list
+ * @buf_list - pointer to HDLC buffer list
  * 
  * Remove and return an HDLC buffer from the head of the specified HDLC buffer
  * list.
  * Returns a pointer to HDLC buffer if available, otherwise %NULL.
  */
-static struct n_hdlc_buf* n_hdlc_buf_get(struct n_hdlc_buf_list *list)
+static struct n_hdlc_buf *n_hdlc_buf_get(struct n_hdlc_buf_list *buf_list)
 {
 	unsigned long flags;
 	struct n_hdlc_buf *buf;
-	spin_lock_irqsave(&list->spinlock,flags);
-	
-	buf = list->head;
+
+	spin_lock_irqsave(&buf_list->spinlock, flags);
+
+	buf = list_first_entry_or_null(&buf_list->list,
+						struct n_hdlc_buf, list_item);
 	if (buf) {
-		list->head = buf->link;
-		(list->count)--;
+		list_del(&buf->list_item);
+		buf_list->count--;
 	}
-	if (!list->head)
-		list->tail = NULL;
-	
-	spin_unlock_irqrestore(&list->spinlock,flags);
+
+	spin_unlock_irqrestore(&buf_list->spinlock, flags);
 	return buf;
-	
 }	/* end of n_hdlc_buf_get() */
 
 static char hdlc_banner[] __initdata =

---
 drivers/tty/serial/8250/8250_pci.c |   13 +++++++++++++
 1 file changed, 13 insertions(+)
@@ -2723,6 +2723,8 @@ enum pci_board_num_t {
 	pbn_b0_4_1152000_200,
 	pbn_b0_8_1152000_200,
 
+	pbn_b0_4_1250000,
+
 	pbn_b0_2_1843200,
 	pbn_b0_4_1843200,
 

@@ -2954,6 +2956,13 @@ static struct pciserial_board pci_boards
 		.uart_offset	= 0x200,
 	},
 
+	[pbn_b0_4_1250000] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 4,
+		.base_baud	= 1250000,
+		.uart_offset	= 8,
+	},
+
 	[pbn_b0_2_1843200] = {
 		.flags		= FL_BASE0,
 		.num_ports	= 2,

@@ -5589,6 +5598,10 @@ static struct pci_device_id serial_pci_t
 	{ PCI_DEVICE(0x1c29, 0x1108), .driver_data = pbn_fintek_8 },
 	{ PCI_DEVICE(0x1c29, 0x1112), .driver_data = pbn_fintek_12 },
 
+	/* MKS Tenta SCOM-080x serial cards */
+	{ PCI_DEVICE(0x1601, 0x0800), .driver_data = pbn_b0_4_1250000 },
+	{ PCI_DEVICE(0x1601, 0xa801), .driver_data = pbn_b0_4_1250000 },
+
 	/*
 	 * These entries match devices with class COMMUNICATION_SERIAL,
 	 * COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL

---
 arch/s390/kvm/kvm-s390.c |    3 +++
 1 file changed, 3 insertions(+)
@@ -442,6 +442,9 @@ int kvm_vm_ioctl_get_dirty_log(struct kv
 	struct kvm_memory_slot *memslot;
 	int is_dirty = 0;
 
+	if (kvm_is_ucontrol(kvm))
+		return -EINVAL;
+
 	mutex_lock(&kvm->slots_lock);
 
 	r = -EINVAL;

---
 arch/x86/kvm/vmx.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -3962,7 +3962,7 @@ static void fix_rmode_seg(int seg, struc
 	}
 
 	vmcs_write16(sf->selector, var.selector);
-	vmcs_write32(sf->base, var.base);
+	vmcs_writel(sf->base, var.base);
 	vmcs_write32(sf->limit, var.limit);
 	vmcs_write32(sf->ar_bytes, vmx_segment_access_rights(&var));
 }

@@ -8350,7 +8350,7 @@ static void kvm_flush_pml_buffers(struct
 static void vmx_dump_sel(char *name, uint32_t sel)
 {
 	pr_err("%s sel=0x%04x, attr=0x%05x, limit=0x%08x, base=0x%016lx\n",
-	       name, vmcs_read32(sel),
+	       name, vmcs_read16(sel),
 	       vmcs_read32(sel + GUEST_ES_AR_BYTES - GUEST_ES_SELECTOR),
 	       vmcs_read32(sel + GUEST_ES_LIMIT - GUEST_ES_SELECTOR),
 	       vmcs_readl(sel + GUEST_ES_BASE - GUEST_ES_SELECTOR));

T:  Bus=01 Lev=01 Prnt=01 Port=07 Cnt=04 Dev#=  5 Spd=12  MxCh= 0
D:  Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=04ca ProdID=3018 Rev=00.01
C:  #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
I:  If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
---
 drivers/bluetooth/ath3k.c |    2 ++
 drivers/bluetooth/btusb.c |    1 +
 2 files changed, 3 insertions(+)
@@ -94,6 +94,7 @@ static const struct usb_device_id ath3k_
 	{ USB_DEVICE(0x04CA, 0x300f) },
 	{ USB_DEVICE(0x04CA, 0x3010) },
 	{ USB_DEVICE(0x04CA, 0x3014) },
+	{ USB_DEVICE(0x04CA, 0x3018) },
 	{ USB_DEVICE(0x0930, 0x0219) },
 	{ USB_DEVICE(0x0930, 0x021c) },
 	{ USB_DEVICE(0x0930, 0x0220) },

@@ -162,6 +163,7 @@ static const struct usb_device_id ath3k_
 	{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },

@@ -209,6 +209,7 @@ static const struct usb_device_id blackl
 	{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },

---
 drivers/phy/phy-qcom-ufs.c |    9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)
@@ -217,12 +217,7 @@ static int __ufs_qcom_phy_init_vreg(stru
 
 	char prop_name[MAX_PROP_NAME];
 
-	vreg->name = devm_kstrdup(dev, name, GFP_KERNEL);
-	if (!vreg->name) {
-		err = -ENOMEM;
-		goto out;
-	}
-
+	vreg->name = name;
 	vreg->reg = devm_regulator_get(dev, name);
 	if (IS_ERR(vreg->reg)) {
 		err = PTR_ERR(vreg->reg);

@@ -265,8 +260,6 @@ static int __ufs_qcom_phy_init_vreg(stru
 	}
 
 out:
-	if (err)
-		kfree(vreg->name);
 	return err;
 }
 

---
 drivers/phy/phy-qcom-ufs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -189,12 +189,12 @@ int ufs_qcom_phy_init_clks(struct ufs_qc
 	if (err)
 		goto out;
 
+skip_txrx_clk:
 	err = ufs_qcom_phy_clk_get(phy_common->dev, "ref_clk_src",
 				   &phy_common->ref_clk_src);
 	if (err)
 		goto out;
 
-skip_txrx_clk:
 	/*
 	 * "ref_clk_parent" is optional hence don't abort init if it's not
 	 * found.

---
 drivers/s390/cio/qdio_thinint.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
@@ -147,11 +147,11 @@ static inline void tiqdio_call_inq_handl
 	struct qdio_q *q;
 	int i;
 
-	for_each_input_queue(irq, q, i) {
-		if (!references_shared_dsci(irq) &&
-		    has_multiple_inq_on_dsci(irq))
-			xchg(q->irq_ptr->dsci, 0);
+	if (!references_shared_dsci(irq) &&
+	    has_multiple_inq_on_dsci(irq))
+		xchg(irq->dsci, 0);
 
+	for_each_input_queue(irq, q, i) {
 		if (q->u.in.queue_start_poll) {
 			/* skip if polling is enabled or already in work */
 			if (test_and_set_bit(QDIO_QUEUE_IRQS_DISABLED,

---
 drivers/s390/block/dcssblk.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -892,7 +892,7 @@ dcssblk_direct_access (struct block_devi
 	dev_info = bdev->bd_disk->private_data;
 	if (!dev_info)
 		return -ENODEV;
-	dev_sz = dev_info->end - dev_info->start;
+	dev_sz = dev_info->end - dev_info->start + 1;
 	offset = secnum * 512;
 	*kaddr = (void *) dev_info->start + offset;
 	*pfn = __pfn_to_pfn_t(PFN_DOWN(dev_info->start + offset), PFN_DEV);

---
 arch/s390/kernel/crash_dump.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
@@ -329,7 +329,11 @@ static void *nt_init_name(void *buf, Elf
 
 static inline void *nt_init(void *buf, Elf64_Word type, void *desc, int d_len)
 {
-	return nt_init_name(buf, type, desc, d_len, KEXEC_CORE_NOTE_NAME);
+	const char *note_name = "LINUX";
+
+	if (type == NT_PRPSINFO || type == NT_PRSTATUS || type == NT_PRFPREG)
+		note_name = KEXEC_CORE_NOTE_NAME;
+	return nt_init_name(buf, type, desc, d_len, note_name);
 }
 
 /*

---
 drivers/s390/cio/ioasm.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
@@ -165,13 +165,15 @@ int tpi(struct tpi_info *addr)
 int chsc(void *chsc_area)
 {
 	typedef struct { char _[4096]; } addr_type;
-	int cc;
+	int cc = -EIO;
 
 	asm volatile(
 		"	.insn	rre,0xb25f0000,%2,0\n"
-		"	ipm	%0\n"
+		"0:	ipm	%0\n"
 		"	srl	%0,28\n"
-		: "=d" (cc), "=m" (*(addr_type *) chsc_area)
+		"1:\n"
+		EX_TABLE(0b, 1b)
+		: "+d" (cc), "=m" (*(addr_type *) chsc_area)
 		: "d" (chsc_area), "m" (*(addr_type *) chsc_area)
 		: "cc");
 	trace_s390_cio_chsc(chsc_area, cc);

---
 arch/s390/include/asm/processor.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
@@ -89,7 +89,8 @@ extern void execve_tail(void);
  * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
  */
 
-#define TASK_SIZE_OF(tsk)	((tsk)->mm->context.asce_limit)
+#define TASK_SIZE_OF(tsk)	((tsk)->mm ? \
+				 (tsk)->mm->context.asce_limit : TASK_MAX_SIZE)
 #define TASK_UNMAPPED_BASE	(test_thread_flag(TIF_31BIT) ? \
 					(1UL << 30) : (1UL << 41))
 #define TASK_SIZE		TASK_SIZE_OF(current)

---
 arch/s390/kernel/topology.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -466,7 +466,7 @@ void __init topology_init_early(void)
 	set_sched_topology(s390_topology);
 	if (!MACHINE_HAS_TOPOLOGY)
 		goto out;
-	tl_info = memblock_virt_alloc(sizeof(*tl_info), PAGE_SIZE);
+	tl_info = memblock_virt_alloc(PAGE_SIZE, PAGE_SIZE);
 	info = tl_info;
 	store_topology(info);
 	pr_info("The CPU configuration topology of the machine is:");

---
 arch/s390/kernel/setup.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
@@ -820,10 +820,10 @@ static void __init setup_randomness(void
 {
 	struct sysinfo_3_2_2 *vmms;
 
-	vmms = (struct sysinfo_3_2_2 *) alloc_page(GFP_KERNEL);
-	if (vmms && stsi(vmms, 3, 2, 2) == 0 && vmms->count)
+	vmms = (struct sysinfo_3_2_2 *) memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+	if (stsi(vmms, 3, 2, 2) == 0 && vmms->count)
 		add_device_randomness(&vmms, vmms->count);
-	free_page((unsigned long) vmms);
+	memblock_free((unsigned long) vmms, PAGE_SIZE);
 }
 
 /*

---
 arch/s390/kernel/setup.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -822,7 +822,7 @@ static void __init setup_randomness(void
 
 	vmms = (struct sysinfo_3_2_2 *) memblock_alloc(PAGE_SIZE, PAGE_SIZE);
 	if (stsi(vmms, 3, 2, 2) == 0 && vmms->count)
-		add_device_randomness(&vmms, vmms->count);
+		add_device_randomness(&vmms->vm, sizeof(vmms->vm[0]) * vmms->count);
 	memblock_free((unsigned long) vmms, PAGE_SIZE);
 }
 

---
 drivers/net/ethernet/marvell/mvpp2.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -991,7 +991,7 @@ static void mvpp2_txq_inc_put(struct mvp
 		txq_pcpu->buffs + txq_pcpu->txq_put_index;
 	tx_buf->skb = skb;
 	tx_buf->size = tx_desc->data_size;
-	tx_buf->phys = tx_desc->buf_phys_addr;
+	tx_buf->phys = tx_desc->buf_phys_addr + tx_desc->packet_offset;
 	txq_pcpu->txq_put_index++;
 	if (txq_pcpu->txq_put_index == txq_pcpu->size)
 		txq_pcpu->txq_put_index = 0;

---
 drivers/misc/cxl/cxl.h  |    2 +
 drivers/misc/cxl/main.c |    3 +-
 drivers/misc/cxl/pci.c  |    2 +
 drivers/misc/cxl/vphb.c |   51 +++++++++++++++++++++++++++---------------------
 4 files changed, 35 insertions(+), 23 deletions(-)
@@ -418,6 +418,8 @@ struct cxl_afu {
 	struct dentry *debugfs;
 	struct mutex contexts_lock;
 	spinlock_t afu_cntl_lock;
+	/* Used to block access to AFU config space while deconfigured */
+	struct rw_semaphore configured_rwsem;
 
 	/* AFU error buffer fields and bin attribute for sysfs */
 	u64 eb_len, eb_offset;

@@ -268,7 +268,8 @@ struct cxl_afu *cxl_alloc_afu(struct cxl
 	idr_init(&afu->contexts_idr);
 	mutex_init(&afu->contexts_lock);
 	spin_lock_init(&afu->afu_cntl_lock);
-
+	init_rwsem(&afu->configured_rwsem);
+	down_write(&afu->configured_rwsem);
 	afu->prefault_mode = CXL_PREFAULT_NONE;
 	afu->irqs_max = afu->adapter->user_irqs;
 

@@ -1129,6 +1129,7 @@ static int pci_configure_afu(struct cxl_
 	if ((rc = cxl_native_register_psl_irq(afu)))
 		goto err2;
 
+	up_write(&afu->configured_rwsem);
 	return 0;
 
 err2:

@@ -1141,6 +1142,7 @@ err1:
 
 static void pci_deconfigure_afu(struct cxl_afu *afu)
 {
+	down_write(&afu->configured_rwsem);
 	cxl_native_release_psl_irq(afu);
 	if (afu->adapter->native->sl_ops->release_serr_irq)
 		afu->adapter->native->sl_ops->release_serr_irq(afu);

---
 drivers/misc/cxl/cxl.h  |    5 +++--
 drivers/misc/cxl/main.c |    3 +--
 drivers/misc/cxl/pci.c  |   11 +++++++++--
 drivers/misc/cxl/vphb.c |   18 ++++++++++++++----
 4 files changed, 27 insertions(+), 10 deletions(-)
@@ -418,8 +418,9 @@ struct cxl_afu {
 	struct dentry *debugfs;
 	struct mutex contexts_lock;
 	spinlock_t afu_cntl_lock;
-	/* Used to block access to AFU config space while deconfigured */
-	struct rw_semaphore configured_rwsem;
+
+	/* -1: AFU deconfigured/locked, >= 0: number of readers */
+	atomic_t configured_state;
 
 	/* AFU error buffer fields and bin attribute for sysfs */
 	u64 eb_len, eb_offset;

@@ -268,8 +268,7 @@ struct cxl_afu *cxl_alloc_afu(struct cxl
 	idr_init(&afu->contexts_idr);
 	mutex_init(&afu->contexts_lock);
 	spin_lock_init(&afu->afu_cntl_lock);
-	init_rwsem(&afu->configured_rwsem);
-	down_write(&afu->configured_rwsem);
+	atomic_set(&afu->configured_state, -1);
 	afu->prefault_mode = CXL_PREFAULT_NONE;
 	afu->irqs_max = afu->adapter->user_irqs;
 

@@ -1129,7 +1129,7 @@ static int pci_configure_afu(struct cxl_
 	if ((rc = cxl_native_register_psl_irq(afu)))
 		goto err2;
 
-	up_write(&afu->configured_rwsem);
+	atomic_set(&afu->configured_state, 0);
 	return 0;
 
 err2:

@@ -1142,7 +1142,14 @@ err1:
 
 static void pci_deconfigure_afu(struct cxl_afu *afu)
 {
-	down_write(&afu->configured_rwsem);
+	/*
+	 * It's okay to deconfigure when AFU is already locked, otherwise wait
+	 * until there are no readers
+	 */
+	if (atomic_read(&afu->configured_state) != -1) {
+		while (atomic_cmpxchg(&afu->configured_state, 0, -1) != -1)
+			schedule();
+	}
 	cxl_native_release_psl_irq(afu);
 	if (afu->adapter->native->sl_ops->release_serr_irq)
 		afu->adapter->native->sl_ops->release_serr_irq(afu);

@@ -83,6 +83,16 @@ static inline struct cxl_afu *pci_bus_to
 	return phb ? phb->private_data : NULL;
 }
 
+static void cxl_afu_configured_put(struct cxl_afu *afu)
+{
+	atomic_dec_if_positive(&afu->configured_state);
+}
+
+static bool cxl_afu_configured_get(struct cxl_afu *afu)
+{
+	return atomic_inc_unless_negative(&afu->configured_state);
+}
+
 static inline int cxl_pcie_config_info(struct pci_bus *bus, unsigned int devfn,
 				       struct cxl_afu *afu, int *_record)
 {

@@ -107,7 +117,7 @@ static int cxl_pcie_read_config(struct p
 
 	afu = pci_bus_to_afu(bus);
 	/* Grab a reader lock on afu. */
-	if (afu == NULL || !down_read_trylock(&afu->configured_rwsem))
+	if (afu == NULL || !cxl_afu_configured_get(afu))
 		return PCIBIOS_DEVICE_NOT_FOUND;
 
 	rc = cxl_pcie_config_info(bus, devfn, afu, &record);

@@ -132,7 +142,7 @@ static int cxl_pcie_read_config(struct p
 	}
 
 out:
-	up_read(&afu->configured_rwsem);
+	cxl_afu_configured_put(afu);
 	return rc ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
 }
 

@@ -144,7 +154,7 @@ static int cxl_pcie_write_config(struct
 
 	afu = pci_bus_to_afu(bus);
 	/* Grab a reader lock on afu. */
-	if (afu == NULL || !down_read_trylock(&afu->configured_rwsem))
+	if (afu == NULL || !cxl_afu_configured_get(afu))
 		return PCIBIOS_DEVICE_NOT_FOUND;
 
 	rc = cxl_pcie_config_info(bus, devfn, afu, &record);

@@ -166,7 +176,7 @@ static int cxl_pcie_write_config(struct
 	}
 
 out:
-	up_read(&afu->configured_rwsem);
+	cxl_afu_configured_put(afu);
 	return rc ? PCIBIOS_SET_FAILED : PCIBIOS_SUCCESSFUL;
 }
 

---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -1661,7 +1661,7 @@ static u8 brcmf_sdio_rxglom(struct brcmf
 					   pfirst->len, pfirst->next,
 					   pfirst->prev);
 			skb_unlink(pfirst, &bus->glom);
-			if (brcmf_sdio_fromevntchan(pfirst->data))
+			if (brcmf_sdio_fromevntchan(&dptr[SDPCM_HWHDR_LEN]))
 				brcmf_rx_event(bus->sdiodev->dev, pfirst);
 			else
 				brcmf_rx_frame(bus->sdiodev->dev, pfirst,

---
 fs/mount.h     |    1 
 fs/namespace.c |  110 +++++++++++++++++++++++++++++++--------------------------
 fs/pnode.c     |   61 +++++++++++++++++++++++++------
 fs/pnode.h     |    2 +
 4 files changed, 111 insertions(+), 63 deletions(-)
@@ -89,7 +89,6 @@ static inline int is_mounted(struct vfsm
 }
 
 extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *);
-extern struct mount *__lookup_mnt_last(struct vfsmount *, struct dentry *);
 
 extern int __legitimize_mnt(struct vfsmount *, unsigned);
 extern bool legitimize_mnt(struct vfsmount *, unsigned);

@@ -49,6 +49,8 @@ int get_dominating_id(struct mount *mnt,
 unsigned int mnt_get_count(struct mount *mnt);
 void mnt_set_mountpoint(struct mount *, struct mountpoint *,
 			struct mount *);
+void mnt_change_mountpoint(struct mount *parent, struct mountpoint *mp,
+			   struct mount *mnt);
 struct mount *copy_tree(struct mount *, struct dentry *, int);
 bool is_path_reachable(struct mount *, struct dentry *,
 			 const struct path *root);

    set_mod:
    [<ffffffff8104f2bd>] ? check_preempt_curr+0x6d/0x90
    [<ffffffff814fee8e>] __mutex_lock_slowpath+0x13e/0x180
    [<ffffffff81448655>] ? __rtnl_unlock+0x15/0x20
    [<ffffffff814fed2b>] mutex_lock+0x2b/0x50
    [<ffffffff81448675>] rtnl_lock+0x15/0x20
    [<ffffffffa02ad807>] ipoib_set_mode+0x97/0x160 [ib_ipoib]
    [<ffffffffa02b5f5b>] set_mode+0x3b/0x80 [ib_ipoib]
    [<ffffffff8134b840>] dev_attr_store+0x20/0x30
    [<ffffffff811f0fe5>] sysfs_write_file+0xe5/0x170
    [<ffffffff8117b068>] vfs_write+0xb8/0x1a0
    [<ffffffff8117ba81>] sys_write+0x51/0x90
    [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b

    rmmod:
    [<ffffffff81279ffc>] ? put_dec+0x10c/0x110
    [<ffffffff8127a2ee>] ? number+0x2ee/0x320
    [<ffffffff814fe6a5>] schedule_timeout+0x215/0x2e0
    [<ffffffff8127cc04>] ? vsnprintf+0x484/0x5f0
    [<ffffffff8127b550>] ? string+0x40/0x100
    [<ffffffff814fe323>] wait_for_common+0x123/0x180
    [<ffffffff81060250>] ? default_wake_function+0x0/0x20
    [<ffffffff8119661e>] ? ifind_fast+0x5e/0xb0
    [<ffffffff814fe43d>] wait_for_completion+0x1d/0x20
    [<ffffffff811f2e68>] sysfs_addrm_finish+0x228/0x270
    [<ffffffff811f2fb3>] sysfs_remove_dir+0xa3/0xf0
    [<ffffffff81273f66>] kobject_del+0x16/0x40
    [<ffffffff8134cd14>] device_del+0x184/0x1e0
    [<ffffffff8144e59b>] netdev_unregister_kobject+0xab/0xc0
    [<ffffffff8143c05e>] rollback_registered+0xae/0x130
    [<ffffffff8143c102>] unregister_netdevice+0x22/0x70
    [<ffffffff8143c16e>] unregister_netdev+0x1e/0x30
    [<ffffffffa02a91b0>] ipoib_remove_one+0xe0/0x120 [ib_ipoib]
    [<ffffffffa01ed95f>] ib_unregister_device+0x4f/0x100 [ib_core]
    [<ffffffffa021f5e1>] mlx4_ib_remove+0x41/0x180 [mlx4_ib]
    [<ffffffffa01ab771>] mlx4_remove_device+0x71/0x90 [mlx4_core]
---
 drivers/infiniband/ulp/ipoib/ipoib_cm.c   |   12 +++++++-----
 drivers/infiniband/ulp/ipoib/ipoib_main.c |    6 ++----
 2 files changed, 9 insertions(+), 9 deletions(-)
@@ -1507,12 +1507,14 @@ static ssize_t set_mode(struct device *d
 
 	ret = ipoib_set_mode(dev, buf);
 
-	rtnl_unlock();
+	/* The assumption is that the function ipoib_set_mode returned
+	 * with the rtnl held by it, if not the value -EBUSY returned,
+	 * then no need to rtnl_unlock
+	 */
+	if (ret != -EBUSY)
+		rtnl_unlock();
 
-	if (!ret)
-		return count;
-
-	return ret;
+	return (!ret || ret == -EBUSY) ? count : ret;
 }
 
 static DEVICE_ATTR(mode, S_IWUSR | S_IRUGO, show_mode, set_mode);

@@ -481,8 +481,7 @@ int ipoib_set_mode(struct net_device *de
 		priv->tx_wr.wr.send_flags &= ~IB_SEND_IP_CSUM;
 
 		ipoib_flush_paths(dev);
-		rtnl_lock();
-		return 0;
+		return (!rtnl_trylock()) ? -EBUSY : 0;
 	}
 
 	if (!strcmp(buf, "datagram\n")) {

@@ -491,8 +490,7 @@ int ipoib_set_mode(struct net_device *de
 		dev_set_mtu(dev, min(priv->mcast_mtu, dev->mtu));
 		rtnl_unlock();
 		ipoib_flush_paths(dev);
-		rtnl_lock();
-		return 0;
+		return (!rtnl_trylock()) ? -EBUSY : 0;
 	}
 
 	return -EINVAL;

---
 drivers/infiniband/ulp/ipoib/ipoib_main.c |   30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)
@@ -714,6 +714,14 @@ int ipoib_check_sm_sendonly_fullmember_s
 	return ret;
 }
 
+static void push_pseudo_header(struct sk_buff *skb, const char *daddr)
+{
+	struct ipoib_pseudo_header *phdr;
+
+	phdr = (struct ipoib_pseudo_header *)skb_push(skb, sizeof(*phdr));
+	memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN);
+}
+
 void ipoib_flush_paths(struct net_device *dev)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);

@@ -938,8 +946,7 @@ static void neigh_add_path(struct sk_buf
 			}
 			if (skb_queue_len(&neigh->queue) <
 			    IPOIB_MAX_PATH_REC_QUEUE) {
-				/* put pseudoheader back on for next time */
-				skb_push(skb, IPOIB_PSEUDO_LEN);
+				push_pseudo_header(skb, neigh->daddr);
 				__skb_queue_tail(&neigh->queue, skb);
 			} else {
 				ipoib_warn(priv, "queue length limit %d. Packet drop.\n",

@@ -957,10 +964,12 @@ static void neigh_add_path(struct sk_buf
 
 		if (!path->query && path_rec_start(dev, path))
 			goto err_path;
-		if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE)
+		if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
+			push_pseudo_header(skb, neigh->daddr);
 			__skb_queue_tail(&neigh->queue, skb);
-		else
+		} else {
 			goto err_drop;
+		}
 	}
 
 	spin_unlock_irqrestore(&priv->lock, flags);

@@ -996,8 +1005,7 @@ static void unicast_arp_send(struct sk_b
 		}
 		if (path) {
 			if (skb_queue_len(&path->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
-				/* put pseudoheader back on for next time */
-				skb_push(skb, IPOIB_PSEUDO_LEN);
+				push_pseudo_header(skb, phdr->hwaddr);
 				__skb_queue_tail(&path->queue, skb);
 			} else {
 				++dev->stats.tx_dropped;

@@ -1029,8 +1037,7 @@ static void unicast_arp_send(struct sk_b
 		return;
 	} else if ((path->query || !path_rec_start(dev, path)) &&
 		   skb_queue_len(&path->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
-		/* put pseudoheader back on for next time */
-		skb_push(skb, IPOIB_PSEUDO_LEN);
+		push_pseudo_header(skb, phdr->hwaddr);
 		__skb_queue_tail(&path->queue, skb);
 	} else {
 		++dev->stats.tx_dropped;

@@ -1111,8 +1118,7 @@ send_using_neigh:
 	}
 
 	if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
-		/* put pseudoheader back on for next time */
-		skb_push(skb, sizeof(*phdr));
+		push_pseudo_header(skb, phdr->hwaddr);
 		spin_lock_irqsave(&priv->lock, flags);
 		__skb_queue_tail(&neigh->queue, skb);
 		spin_unlock_irqrestore(&priv->lock, flags);

@@ -1144,7 +1150,6 @@ static int ipoib_hard_header(struct sk_b
 			     unsigned short type,
 			     const void *daddr, const void *saddr, unsigned len)
 {
-	struct ipoib_pseudo_header *phdr;
 	struct ipoib_header *header;
 
 	header = (struct ipoib_header *) skb_push(skb, sizeof *header);

@@ -1157,8 +1162,7 @@ static int ipoib_hard_header(struct sk_b
 	 * destination address into skb hard header so we can figure out where
 	 * to send the packet later.
 	 */
-	phdr = (struct ipoib_pseudo_header *) skb_push(skb, sizeof(*phdr));
-	memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN);
+	push_pseudo_header(skb, daddr);
 
 	return IPOIB_HARD_LEN;
 }

---
 drivers/infiniband/hw/mlx5/srq.c |   11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)
@@ -165,8 +165,6 @@ static int create_srq_kernel(struct mlx5
 	int err;
 	int i;
 	struct mlx5_wqe_srq_next_seg *next;
-	int page_shift;
-	int npages;
 
 	err = mlx5_db_alloc(dev->mdev, &srq->db);
 	if (err) {

@@ -179,7 +177,6 @@ static int create_srq_kernel(struct mlx5
 		err = -ENOMEM;
 		goto err_db;
 	}
-	page_shift = srq->buf.page_shift;
 
 	srq->head    = 0;
 	srq->tail    = srq->msrq.max - 1;

@@ -191,10 +188,8 @@ static int create_srq_kernel(struct mlx5
 			cpu_to_be16((i + 1) & (srq->msrq.max - 1));
 	}
 
-	npages = DIV_ROUND_UP(srq->buf.npages, 1 << (page_shift - PAGE_SHIFT));
-	mlx5_ib_dbg(dev, "buf_size %d, page_shift %d, npages %d, calc npages %d\n",
-		    buf_size, page_shift, srq->buf.npages, npages);
-	in->pas = mlx5_vzalloc(sizeof(*in->pas) * npages);
+	mlx5_ib_dbg(dev, "srq->buf.page_shift = %d\n", srq->buf.page_shift);
+	in->pas = mlx5_vzalloc(sizeof(*in->pas) * srq->buf.npages);
 	if (!in->pas) {
 		err = -ENOMEM;
 		goto err_buf;

@@ -208,7 +203,7 @@ static int create_srq_kernel(struct mlx5
 	}
 	srq->wq_sig = !!srq_signature;
 
-	in->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT;
+	in->log_page_size = srq->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT;
 	if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1 &&
 	    in->type == IB_SRQT_XRC)
 		in->user_index = MLX5_IB_DEFAULT_UIDX;

---
 drivers/infiniband/ulp/srp/ib_srp.c |   12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)
@@ -371,7 +371,6 @@ static struct srp_fr_pool *srp_create_fr
 	struct srp_fr_desc *d;
 	struct ib_mr *mr;
 	int i, ret = -EINVAL;
-	enum ib_mr_type mr_type;
 
 	if (pool_size <= 0)
 		goto err;

@@ -385,13 +384,9 @@ static struct srp_fr_pool *srp_create_fr
 	spin_lock_init(&pool->lock);
 	INIT_LIST_HEAD(&pool->free_list);
 
-	if (device->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG)
-		mr_type = IB_MR_TYPE_SG_GAPS;
-	else
-		mr_type = IB_MR_TYPE_MEM_REG;
-
 	for (i = 0, d = &pool->desc[0]; i < pool->size; i++, d++) {
-		mr = ib_alloc_mr(pd, mr_type, max_page_list_len);
+		mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG,
+				 max_page_list_len);
 		if (IS_ERR(mr)) {
 			ret = PTR_ERR(mr);
 			if (ret == -ENOMEM)

@@ -2664,9 +2659,8 @@ static int srp_slave_alloc(struct scsi_d
 	struct Scsi_Host *shost = sdev->host;
 	struct srp_target_port *target = host_to_target(shost);
 	struct srp_device *srp_dev = target->srp_host->srp_dev;
-	struct ib_device *ibdev = srp_dev->dev;
 
-	if (!(ibdev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG))
+	if (true)
 		blk_queue_virt_boundary(sdev->request_queue,
 					~srp_dev->mr_page_mask);
 

BUG: unable to handle kernel NULL pointer dereference at           (null)
IP: srp_recv_done+0x450/0x6b0 [ib_srp]
Oops: 0000 [#1] SMP
CPU: 10 PID: 0 Comm: swapper/10 Not tainted 4.10.0-rc7-dbg+ #1
Call Trace:
 <IRQ>
 __ib_process_cq+0x4b/0xd0 [ib_core]
 ib_poll_handler+0x1d/0x70 [ib_core]
 irq_poll_softirq+0xba/0x120
 __do_softirq+0xba/0x4c0
 irq_exit+0xbe/0xd0
 smp_apic_timer_interrupt+0x38/0x50
 apic_timer_interrupt+0x90/0xa0
 </IRQ>
RIP: srp_recv_done+0x450/0x6b0 [ib_srp] RSP: ffff88046f483e20
---
 drivers/infiniband/ulp/srp/ib_srp.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
@@ -1892,9 +1892,11 @@ static void srp_process_rsp(struct srp_r
 		complete(&ch->tsk_mgmt_done);
 	} else {
 		scmnd = scsi_host_find_tag(target->scsi_host, rsp->tag);
-		if (scmnd) {
+		if (scmnd && scmnd->host_scribble) {
 			req = (void *)scmnd->host_scribble;
 			scmnd = srp_claim_req(ch, req, NULL, scmnd);
+		} else {
+			scmnd = NULL;
 		}
 		if (!scmnd) {
 			shost_printk(KERN_ERR, target->scsi_host,

WARNING: CPU: 8 PID: 9269 at lib/list_debug.c:52 __list_del_entry_valid+0xbc/0xc0
list_del corruption. prev->next should be ffffc90004bb7b00, but was ffff8804052ecc68
CPU: 8 PID: 9269 Comm: sg_reset Tainted: G        W       4.10.0-rc7-dbg+ #3
Call Trace:
 dump_stack+0x68/0x93
 __warn+0xc6/0xe0
 warn_slowpath_fmt+0x4a/0x50
 __list_del_entry_valid+0xbc/0xc0
 wait_for_completion_timeout+0x12e/0x170
 srp_send_tsk_mgmt+0x1ef/0x2d0 [ib_srp]
 srp_reset_device+0x5b/0x110 [ib_srp]
 scsi_ioctl_reset+0x1c7/0x290
 scsi_ioctl+0x12a/0x420
 sd_ioctl+0x9d/0x100
 blkdev_ioctl+0x51e/0x9f0
 block_ioctl+0x38/0x40
 do_vfs_ioctl+0x8f/0x700
 SyS_ioctl+0x3c/0x70
 entry_SYSCALL_64_fastpath+0x18/0xad
---
 drivers/infiniband/ulp/srp/ib_srp.c |   45 +++++++++++++++++++++++-------------
 drivers/infiniband/ulp/srp/ib_srp.h |    1 
 2 files changed, 30 insertions(+), 16 deletions(-)
@@ -1884,12 +1884,17 @@ static void srp_process_rsp(struct srp_r
 	if (unlikely(rsp->tag & SRP_TAG_TSK_MGMT)) {
 		spin_lock_irqsave(&ch->lock, flags);
 		ch->req_lim += be32_to_cpu(rsp->req_lim_delta);
+		if (rsp->tag == ch->tsk_mgmt_tag) {
+			ch->tsk_mgmt_status = -1;
+			if (be32_to_cpu(rsp->resp_data_len) >= 4)
+				ch->tsk_mgmt_status = rsp->data[3];
+			complete(&ch->tsk_mgmt_done);
+		} else {
+			shost_printk(KERN_ERR, target->scsi_host,
+				     "Received tsk mgmt response too late for tag %#llx\n",
+				     rsp->tag);
+		}
 		spin_unlock_irqrestore(&ch->lock, flags);
-
-		ch->tsk_mgmt_status = -1;
-		if (be32_to_cpu(rsp->resp_data_len) >= 4)
-			ch->tsk_mgmt_status = rsp->data[3];
-		complete(&ch->tsk_mgmt_done);
 	} else {
 		scmnd = scsi_host_find_tag(target->scsi_host, rsp->tag);
 		if (scmnd && scmnd->host_scribble) {

@@ -2528,19 +2533,18 @@ srp_change_queue_depth(struct scsi_devic
 }
 
 static int srp_send_tsk_mgmt(struct srp_rdma_ch *ch, u64 req_tag, u64 lun,
-			     u8 func)
+			     u8 func, u8 *status)
 {
 	struct srp_target_port *target = ch->target;
 	struct srp_rport *rport = target->rport;
 	struct ib_device *dev = target->srp_host->srp_dev->dev;
 	struct srp_iu *iu;
 	struct srp_tsk_mgmt *tsk_mgmt;
+	int res;
 
 	if (!ch->connected || target->qp_in_error)
 		return -1;
 
-	init_completion(&ch->tsk_mgmt_done);
-
 	/*
 	 * Lock the rport mutex to avoid that srp_create_ch_ib() is
 	 * invoked while a task management function is being sent.

@@ -2563,10 +2567,16 @@ static int srp_send_tsk_mgmt(struct srp_
 
 	tsk_mgmt->opcode 	= SRP_TSK_MGMT;
 	int_to_scsilun(lun, &tsk_mgmt->lun);
-	tsk_mgmt->tag		= req_tag | SRP_TAG_TSK_MGMT;
 	tsk_mgmt->tsk_mgmt_func = func;
 	tsk_mgmt->task_tag	= req_tag;
 
+	spin_lock_irq(&ch->lock);
+	ch->tsk_mgmt_tag = (ch->tsk_mgmt_tag + 1) | SRP_TAG_TSK_MGMT;
+	tsk_mgmt->tag = ch->tsk_mgmt_tag;
+	spin_unlock_irq(&ch->lock);
+
+	init_completion(&ch->tsk_mgmt_done);
+
 	ib_dma_sync_single_for_device(dev, iu->dma, sizeof *tsk_mgmt,
 				      DMA_TO_DEVICE);
 	if (srp_post_send(ch, iu, sizeof(*tsk_mgmt))) {

@@ -2575,13 +2585,15 @@ static int srp_send_tsk_mgmt(struct srp_
 
 		return -1;
 	}
+	res = wait_for_completion_timeout(&ch->tsk_mgmt_done,
+					msecs_to_jiffies(SRP_ABORT_TIMEOUT_MS));
+	if (res > 0 && status)
+		*status = ch->tsk_mgmt_status;
 	mutex_unlock(&rport->mutex);
 
-	if (!wait_for_completion_timeout(&ch->tsk_mgmt_done,
-					 msecs_to_jiffies(SRP_ABORT_TIMEOUT_MS)))
-		return -1;
+	WARN_ON_ONCE(res < 0);
 
-	return 0;
+	return res > 0 ? 0 : -1;
 }
 
 static int srp_abort(struct scsi_cmnd *scmnd)

@@ -2607,7 +2619,7 @@ static int srp_abort(struct scsi_cmnd *s
 	shost_printk(KERN_ERR, target->scsi_host,
 		     "Sending SRP abort for tag %#x\n", tag);
 	if (srp_send_tsk_mgmt(ch, tag, scmnd->device->lun,
-			      SRP_TSK_ABORT_TASK) == 0)
+			      SRP_TSK_ABORT_TASK, NULL) == 0)
 		ret = SUCCESS;
 	else if (target->rport->state == SRP_RPORT_LOST)
 		ret = FAST_IO_FAIL;

@@ -2625,14 +2637,15 @@ static int srp_reset_device(struct scsi_
 	struct srp_target_port *target = host_to_target(scmnd->device->host);
 	struct srp_rdma_ch *ch;
 	int i;
+	u8 status;
 
 	shost_printk(KERN_ERR, target->scsi_host, "SRP reset_device called\n");
 
 	ch = &target->ch[0];
 	if (srp_send_tsk_mgmt(ch, SRP_TAG_NO_REQ, scmnd->device->lun,
-			      SRP_TSK_LUN_RESET))
+			      SRP_TSK_LUN_RESET, &status))
 		return FAILED;
-	if (ch->tsk_mgmt_status)
+	if (status)
 		return FAILED;
 
 	for (i = 0; i < target->ch_count; i++) {

@@ -163,6 +163,7 @@ struct srp_rdma_ch {
 	int			max_ti_iu_len;
 	int			comp_vector;
 
+	u64			tsk_mgmt_tag;
 	struct completion	tsk_mgmt_done;
 	u8			tsk_mgmt_status;
 	bool			connected;

---
 fs/afs/mntpt.c          |    2 +-
 fs/autofs4/waitq.c      |    4 ++--
 fs/cifs/cifs_dfs_ref.c  |    7 ++++---
 fs/debugfs/inode.c      |    8 ++++----
 fs/namei.c              |    3 ---
 fs/namespace.c          |   17 ++++++++++++++++-
 fs/nfs/namespace.c      |    2 +-
 fs/nfs/nfs4namespace.c  |    2 +-
 fs/super.c              |   13 ++++++++++---
 include/linux/debugfs.h |    3 ++-
 include/linux/mount.h   |    3 +++
 include/uapi/linux/fs.h |    1 +
 kernel/trace/trace.c    |    4 ++--
 13 files changed, 47 insertions(+), 22 deletions(-)
@@ -202,7 +202,7 @@ static struct vfsmount *afs_mntpt_do_aut
 
 	/* try and do the mount */
 	_debug("--- attempting mount %s -o %s ---", devname, options);
-	mnt = vfs_kern_mount(&afs_fs_type, 0, devname, options);
+	mnt = vfs_submount(mntpt, &afs_fs_type, devname, options);
 	_debug("--- mount result %p ---", mnt);
 
 	free_page((unsigned long) devname);

@@ -436,8 +436,8 @@ int autofs4_wait(struct autofs_sb_info *
 		memcpy(&wq->name, &qstr, sizeof(struct qstr));
 		wq->dev = autofs4_get_dev(sbi);
 		wq->ino = autofs4_get_ino(sbi);
-		wq->uid = current_real_cred()->uid;
-		wq->gid = current_real_cred()->gid;
+		wq->uid = current_cred()->uid;
+		wq->gid = current_cred()->gid;
 		wq->pid = pid;
 		wq->tgid = tgid;
 		wq->status = -EINTR; /* Status return if interrupted */

@@ -245,7 +245,8 @@ compose_mount_options_err:
  * @fullpath:		full path in UNC format
  * @ref:		server's referral
  */
-static struct vfsmount *cifs_dfs_do_refmount(struct cifs_sb_info *cifs_sb,
+static struct vfsmount *cifs_dfs_do_refmount(struct dentry *mntpt,
+		struct cifs_sb_info *cifs_sb,
 		const char *fullpath, const struct dfs_info3_param *ref)
 {
 	struct vfsmount *mnt;

@@ -259,7 +260,7 @@ static struct vfsmount *cifs_dfs_do_refm
 	if (IS_ERR(mountdata))
 		return (struct vfsmount *)mountdata;
 
-	mnt = vfs_kern_mount(&cifs_fs_type, 0, devname, mountdata);
+	mnt = vfs_submount(mntpt, &cifs_fs_type, devname, mountdata);
 	kfree(mountdata);
 	kfree(devname);
 	return mnt;

@@ -334,7 +335,7 @@ static struct vfsmount *cifs_dfs_do_auto
 			mnt = ERR_PTR(-EINVAL);
 			break;
 		}
-		mnt = cifs_dfs_do_refmount(cifs_sb,
+		mnt = cifs_dfs_do_refmount(mntpt, cifs_sb,
 				full_path, referrals + i);
 		cifs_dbg(FYI, "%s: cifs_dfs_do_refmount:%s , mnt:%p\n",
 			 __func__, referrals[i].node_name, mnt);

@@ -187,9 +187,9 @@ static const struct super_operations deb
 
 static struct vfsmount *debugfs_automount(struct path *path)
 {
-	struct vfsmount *(*f)(void *);
-	f = (struct vfsmount *(*)(void *))path->dentry->d_fsdata;
-	return f(d_inode(path->dentry)->i_private);
+	debugfs_automount_t f;
+	f = (debugfs_automount_t)path->dentry->d_fsdata;
+	return f(path->dentry, d_inode(path->dentry)->i_private);
 }
 
 static const struct dentry_operations debugfs_dops = {

@@ -504,7 +504,7 @@ EXPORT_SYMBOL_GPL(debugfs_create_dir);
  */
 struct dentry *debugfs_create_automount(const char *name,
 					struct dentry *parent,
-					struct vfsmount *(*f)(void *),
+					debugfs_automount_t f,
 					void *data)
 {
 	struct dentry *dentry = start_creating(name, parent);

@@ -1100,7 +1100,6 @@ static int follow_automount(struct path
 			    bool *need_mntput)
 {
 	struct vfsmount *mnt;
-	const struct cred *old_cred;
 	int err;
 
 	if (!path->dentry->d_op || !path->dentry->d_op->d_automount)

@@ -1129,9 +1128,7 @@ static int follow_automount(struct path
 	if (nd->total_link_count >= 40)
 		return -ELOOP;
 
-	old_cred = override_creds(&init_cred);
 	mnt = path->dentry->d_op->d_automount(path);
-	revert_creds(old_cred);
 	if (IS_ERR(mnt)) {
 		/*
 		 * The filesystem is allowed to return -EISDIR here to indicate

@@ -991,6 +991,21 @@ vfs_kern_mount(struct file_system_type *
 }
 EXPORT_SYMBOL_GPL(vfs_kern_mount);
 
+struct vfsmount *
+vfs_submount(const struct dentry *mountpoint, struct file_system_type *type,
+	     const char *name, void *data)
+{
+	/* Until it is worked out how to pass the user namespace
+	 * through from the parent mount to the submount don't support
+	 * unprivileged mounts with submounts.
+	 */
+	if (mountpoint->d_sb->s_user_ns != &init_user_ns)
+		return ERR_PTR(-EPERM);
+
+	return vfs_kern_mount(type, MS_SUBMOUNT, name, data);
+}
+EXPORT_SYMBOL_GPL(vfs_submount);
+
 static struct mount *clone_mnt(struct mount *old, struct dentry *root,
 					int flag)
 {

@@ -2804,7 +2819,7 @@ long do_mount(const char *dev_name, cons
 
 	flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | MS_BORN |
 		   MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
-		   MS_STRICTATIME | MS_NOREMOTELOCK);
+		   MS_STRICTATIME | MS_NOREMOTELOCK | MS_SUBMOUNT);
 
 	if (flags & MS_REMOUNT)
 		retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,

@@ -226,7 +226,7 @@ static struct vfsmount *nfs_do_clone_mou
 					   const char *devname,
 					   struct nfs_clone_mount *mountdata)
 {
-	return vfs_kern_mount(&nfs_xdev_fs_type, 0, devname, mountdata);
+	return vfs_submount(mountdata->dentry, &nfs_xdev_fs_type, devname, mountdata);
 }
 
 /**

@@ -279,7 +279,7 @@ static struct vfsmount *try_location(str
 				mountdata->hostname,
 				mountdata->mnt_path);
 
-		mnt = vfs_kern_mount(&nfs4_referral_fs_type, 0, page, mountdata);
+		mnt = vfs_submount(mountdata->dentry, &nfs4_referral_fs_type, page, mountdata);
 		if (!IS_ERR(mnt))
 			break;
 	}

@@ -469,7 +469,7 @@ struct super_block *sget_userns(struct f
 	struct super_block *old;
 	int err;
 
-	if (!(flags & MS_KERNMOUNT) &&
+	if (!(flags & (MS_KERNMOUNT|MS_SUBMOUNT)) &&
 	    !(type->fs_flags & FS_USERNS_MOUNT) &&
 	    !capable(CAP_SYS_ADMIN))
 		return ERR_PTR(-EPERM);

@@ -499,7 +499,7 @@ retry:
 	}
 	if (!s) {
 		spin_unlock(&sb_lock);
-		s = alloc_super(type, flags, user_ns);
+		s = alloc_super(type, (flags & ~MS_SUBMOUNT), user_ns);
 		if (!s)
 			return ERR_PTR(-ENOMEM);
 		goto retry;

@@ -540,8 +540,15 @@ struct super_block *sget(struct file_sys
 {
 	struct user_namespace *user_ns = current_user_ns();
 
+	/* We don't yet pass the user namespace of the parent
+	 * mount through to here so always use &init_user_ns
+	 * until that changes.
+	 */
+	if (flags & MS_SUBMOUNT)
+		user_ns = &init_user_ns;
+
 	/* Ensure the requestor has permissions over the target filesystem */
-	if (!(flags & MS_KERNMOUNT) && !ns_capable(user_ns, CAP_SYS_ADMIN))
+	if (!(flags & (MS_KERNMOUNT|MS_SUBMOUNT)) && !ns_capable(user_ns, CAP_SYS_ADMIN))
 		return ERR_PTR(-EPERM);
 
 	return sget_userns(type, test, set, flags, user_ns, data);

@@ -97,9 +97,10 @@ struct dentry *debugfs_create_dir(const
 struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
 				      const char *dest);
 
+typedef struct vfsmount *(*debugfs_automount_t)(struct dentry *, void *);
 struct dentry *debugfs_create_automount(const char *name,
 					struct dentry *parent,
-					struct vfsmount *(*f)(void *),
+					debugfs_automount_t f,
 					void *data);
 
 void debugfs_remove(struct dentry *dentry);

@@ -90,6 +90,9 @@ struct file_system_type;
 extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,
 				      int flags, const char *name,
 				      void *data);
+extern struct vfsmount *vfs_submount(const struct dentry *mountpoint,
+				     struct file_system_type *type,
+				     const char *name, void *data);
 
 extern void mnt_set_expiry(struct vfsmount *mnt, struct list_head *expiry_list);
 extern void mark_mounts_for_expiry(struct list_head *mounts);

@@ -132,6 +132,7 @@ struct inodes_stat_t {
 #define MS_LAZYTIME	(1<<25) /* Update the on-disk [acm]times lazily */
 
 /* These sb flags are internal to the kernel */
+#define MS_SUBMOUNT     (1<<26)
 #define MS_NOREMOTELOCK	(1<<27)
 #define MS_NOSEC	(1<<28)
 #define MS_BORN		(1<<29)

@@ -7503,7 +7503,7 @@ init_tracer_tracefs(struct trace_array *
 	ftrace_init_tracefs(tr, d_tracer);
 }
 
-static struct vfsmount *trace_automount(void *ingore)
+static struct vfsmount *trace_automount(struct dentry *mntpt, void *ingore)
 {
 	struct vfsmount *mnt;
 	struct file_system_type *type;

@@ -7516,7 +7516,7 @@ static struct vfsmount *trace_automount(
 	type = get_fs_type("tracefs");
 	if (!type)
 		return NULL;
-	mnt = vfs_kern_mount(type, 0, "tracefs", NULL);
+	mnt = vfs_submount(mntpt, type, "tracefs", NULL);
 	put_filesystem(type);
 	if (IS_ERR(mnt))
 		return NULL;

 $ mkfs.btrfs -f /dev/sdb
 $ mount /dev/sdb /mnt
 $ xfs_io -f -c "pwrite -S 0x01 0K 32K" /mnt/foo
 $ xfs_io -d -c "pwrite -S 0x02 -b 32K 64K 32K" /mnt/foo
 $ xfs_io -c "truncate 60K" /mnt/foo
   --> inode's disk_i_size updated to 0
 $ md5sum /mnt/foo
 3c5ca3c3ab42f4b04d7e7eb0b0d4d806  /mnt/foo
 $ umount /dev/sdb
 $ mount /dev/sdb /mnt
 $ md5sum /mnt/foo
 d41d8cd98f00b204e9800998ecf8427e  /mnt/foo
   --> Empty file, all data lost!
---
 fs/btrfs/inode.c |   19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)
@@ -4502,19 +4502,8 @@ search_again:
 		if (found_type > min_type) {
 			del_item = 1;
 		} else {
-			if (item_end < new_size) {
-				/*
-				 * With NO_HOLES mode, for the following mapping
-				 *
-				 * [0-4k][hole][8k-12k]
-				 *
-				 * if truncating isize down to 6k, it ends up
-				 * isize being 8k.
-				 */
-				if (btrfs_fs_incompat(root->fs_info, NO_HOLES))
-					last_size = new_size;
+			if (item_end < new_size)
 				break;
-			}
 			if (found_key.offset >= new_size)
 				del_item = 1;
 			else

@@ -4697,8 +4686,12 @@ out:
 			btrfs_abort_transaction(trans, ret);
 	}
 error:
-	if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID)
+	if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) {
+		ASSERT(last_size >= new_size);
+		if (!err && last_size > new_size)
+			last_size = new_size;
 		btrfs_ordered_update_i_size(inode, last_size, NULL);
+	}
 
 	btrfs_free_path(path);
 

---
 fs/orangefs/super.c |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
@@ -115,6 +115,13 @@ static struct inode *orangefs_alloc_inod
 	return &orangefs_inode->vfs_inode;
 }
 
+static void orangefs_i_callback(struct rcu_head *head)
+{
+	struct inode *inode = container_of(head, struct inode, i_rcu);
+	struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
+	kmem_cache_free(orangefs_inode_cache, orangefs_inode);
+}
+
 static void orangefs_destroy_inode(struct inode *inode)
 {
 	struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);

@@ -123,7 +130,7 @@ static void orangefs_destroy_inode(struc
 			"%s: deallocated %p destroying inode %pU\n",
 			__func__, orangefs_inode, get_khandle_from_ino(inode));
 
-	kmem_cache_free(orangefs_inode_cache, orangefs_inode);
+	call_rcu(&inode->i_rcu, orangefs_i_callback);
 }
 
 /*

---
 drivers/memory/atmel-ebi.c |   27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)
@@ -93,7 +93,7 @@ static void at91sam9_ebi_get_config(stru
 				    struct at91_ebi_dev_config *conf)
 {
 	struct at91sam9_smc_generic_fields *fields = &ebid->ebi->sam9;
-	unsigned int clk_rate = clk_get_rate(ebid->ebi->clk);
+	unsigned int clk_period = NSEC_PER_SEC / clk_get_rate(ebid->ebi->clk);
 	struct at91sam9_ebi_dev_config *config = &conf->sam9;
 	struct at91sam9_smc_timings *timings = &config->timings;
 	unsigned int val;

@@ -102,43 +102,43 @@ static void at91sam9_ebi_get_config(stru
 	config->mode = val & ~AT91_SMC_TDF;
 
 	val = (val & AT91_SMC_TDF) >> 16;
-	timings->tdf_ns = clk_rate * val;
+	timings->tdf_ns = clk_period * val;
 
 	regmap_fields_read(fields->setup, conf->cs, &val);
 	timings->ncs_rd_setup_ns = (val >> 24) & 0x1f;
 	timings->ncs_rd_setup_ns += ((val >> 29) & 0x1) * 128;
-	timings->ncs_rd_setup_ns *= clk_rate;
+	timings->ncs_rd_setup_ns *= clk_period;
 	timings->nrd_setup_ns = (val >> 16) & 0x1f;
 	timings->nrd_setup_ns += ((val >> 21) & 0x1) * 128;
-	timings->nrd_setup_ns *= clk_rate;
+	timings->nrd_setup_ns *= clk_period;
 	timings->ncs_wr_setup_ns = (val >> 8) & 0x1f;
 	timings->ncs_wr_setup_ns += ((val >> 13) & 0x1) * 128;
-	timings->ncs_wr_setup_ns *= clk_rate;
+	timings->ncs_wr_setup_ns *= clk_period;
 	timings->nwe_setup_ns = val & 0x1f;
 	timings->nwe_setup_ns += ((val >> 5) & 0x1) * 128;
-	timings->nwe_setup_ns *= clk_rate;
+	timings->nwe_setup_ns *= clk_period;
 
 	regmap_fields_read(fields->pulse, conf->cs, &val);
 	timings->ncs_rd_pulse_ns = (val >> 24) & 0x3f;
 	timings->ncs_rd_pulse_ns += ((val >> 30) & 0x1) * 256;
-	timings->ncs_rd_pulse_ns *= clk_rate;
+	timings->ncs_rd_pulse_ns *= clk_period;
 	timings->nrd_pulse_ns = (val >> 16) & 0x3f;
 	timings->nrd_pulse_ns += ((val >> 22) & 0x1) * 256;
-	timings->nrd_pulse_ns *= clk_rate;
+	timings->nrd_pulse_ns *= clk_period;
 	timings->ncs_wr_pulse_ns = (val >> 8) & 0x3f;
 	timings->ncs_wr_pulse_ns += ((val >> 14) & 0x1) * 256;
-	timings->ncs_wr_pulse_ns *= clk_rate;
+	timings->ncs_wr_pulse_ns *= clk_period;
 	timings->nwe_pulse_ns = val & 0x3f;
 	timings->nwe_pulse_ns += ((val >> 6) & 0x1) * 256;
-	timings->nwe_pulse_ns *= clk_rate;
+	timings->nwe_pulse_ns *= clk_period;
 
 	regmap_fields_read(fields->cycle, conf->cs, &val);
 	timings->nrd_cycle_ns = (val >> 16) & 0x7f;
 	timings->nrd_cycle_ns += ((val >> 23) & 0x3) * 256;
-	timings->nrd_cycle_ns *= clk_rate;
+	timings->nrd_cycle_ns *= clk_period;
 	timings->nwe_cycle_ns = val & 0x7f;
 	timings->nwe_cycle_ns += ((val >> 7) & 0x3) * 256;
-	timings->nwe_cycle_ns *= clk_rate;
+	timings->nwe_cycle_ns *= clk_period;
 }
 
 static int at91_xlate_timing(struct device_node *np, const char *prop,

@@ -334,6 +334,7 @@ static int at91sam9_ebi_apply_config(str
 				     struct at91_ebi_dev_config *conf)
 {
 	unsigned int clk_rate = clk_get_rate(ebid->ebi->clk);
+	unsigned int clk_period = NSEC_PER_SEC / clk_rate;
 	struct at91sam9_ebi_dev_config *config = &conf->sam9;
 	struct at91sam9_smc_timings *timings = &config->timings;
 	struct at91sam9_smc_generic_fields *fields = &ebid->ebi->sam9;

@@ -376,7 +377,7 @@ static int at91sam9_ebi_apply_config(str
 	val |= AT91SAM9_SMC_NWECYCLE(coded_val);
 	regmap_fields_write(fields->cycle, conf->cs, val);
 
-	val = DIV_ROUND_UP(timings->tdf_ns, clk_rate);
+	val = DIV_ROUND_UP(timings->tdf_ns, clk_period);
 	if (val > AT91_SMC_TDF_MAX)
 		val = AT91_SMC_TDF_MAX;
 	regmap_fields_write(fields->mode, conf->cs,

---
 kernel/trace/trace_benchmark.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -175,9 +175,9 @@ int trace_benchmark_reg(void)
 
 	bm_event_thread = kthread_run(benchmark_event_kthread,
 				      NULL, "event_benchmark");
-	if (!bm_event_thread) {
+	if (IS_ERR(bm_event_thread)) {
 		pr_warning("trace benchmark failed to create kernel thread\n");
-		return -ENOMEM;
+		return PTR_ERR(bm_event_thread);
 	}
 
 	return 0;

---
 tools/testing/ktest/ktest.pl |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -2629,7 +2629,7 @@ sub do_run_test {
     }
 
     waitpid $child_pid, 0;
-    $child_exit = $?;
+    $child_exit = $? >> 8;
 
     my $end_time = time;
     $test_time = $end_time - $start_time;

---
 fs/ceph/mds_client.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
@@ -628,6 +628,9 @@ static void __unregister_request(struct
 {
 	dout("__unregister_request %p tid %lld\n", req, req->r_tid);
 
+	/* Never leave an unregistered request on an unsafe list! */
+	list_del_init(&req->r_unsafe_item);
+
 	if (req->r_tid == mdsc->oldest_tid) {
 		struct rb_node *p = rb_next(&req->r_node);
 		mdsc->oldest_tid = 0;

@@ -1036,7 +1039,6 @@ static void cleanup_session_requests(str
 	while (!list_empty(&session->s_unsafe)) {
 		req = list_first_entry(&session->s_unsafe,
 				       struct ceph_mds_request, r_unsafe_item);
-		list_del_init(&req->r_unsafe_item);
 		pr_warn_ratelimited(" dropping unsafe request %llu\n",
 				    req->r_tid);
 		__unregister_request(mdsc, req);

@@ -2437,7 +2439,6 @@ static void handle_reply(struct ceph_mds
 			 * useful we could do with a revised return value.
 			 */
 			dout("got safe reply %llu, mds%d\n", tid, mds);
-			list_del_init(&req->r_unsafe_item);
 
 			/* last unsafe request during umount? */
 			if (mdsc->stopping && !__get_oldest_req(mdsc))

 WARNING: CPU: 2 PID: 1071 at drivers/pci/hotplug/pnv_php.c:85 \
                              pnv_php_release+0xcc/0x150 [pnv_php]
    :
 Call Trace:
 [c0000003bc007c10] [d00000000ad613c4] pnv_php_release+0x144/0x150 [pnv_php]
 [c0000003bc007c40] [c0000000006641d8] pci_hp_deregister+0x238/0x330
 [c0000003bc007cd0] [d00000000ad61440] pnv_php_unregister_one+0x70/0xa0 [pnv_php]
 [c0000003bc007d10] [d00000000ad614c0] pnv_php_unregister+0x50/0x80 [pnv_php]
 [c0000003bc007d40] [d00000000ad61e84] pnv_php_exit+0x50/0xcb4 [pnv_php]
 [c0000003bc007d70] [c00000000019499c] SyS_delete_module+0x1fc/0x2a0
 [c0000003bc007e30] [c00000000000b184] system_call+0x38/0xe0
---
 drivers/pci/hotplug/pnv_php.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -82,7 +82,7 @@ static void pnv_php_free_slot(struct kre
 static inline void pnv_php_put_slot(struct pnv_php_slot *php_slot)
 {
 
-	if (WARN_ON(!php_slot))
+	if (!php_slot)
 		return;
 
 	kref_put(&php_slot->kref, pnv_php_free_slot);

 ------------[ cut here ]------------
 WARNING: CPU: 19 PID: 1004 at drivers/pci/msi.c:1071 \
                              __pci_enable_msi_range+0x84/0x4e0
 NIP [c000000000665c34] __pci_enable_msi_range+0x84/0x4e0
 LR [c000000000665c24] __pci_enable_msi_range+0x74/0x4e0
 Call Trace:
 [c000000384d67600] [c000000000665c24] __pci_enable_msi_range+0x74/0x4e0
 [c000000384d676e0] [d00000000aa31b04] pnv_php_register+0x564/0x5a0 [pnv_php]
 [c000000384d677c0] [d00000000aa31658] pnv_php_register+0xb8/0x5a0 [pnv_php]
 [c000000384d678a0] [d00000000aa31658] pnv_php_register+0xb8/0x5a0 [pnv_php]
 [c000000384d67980] [d00000000aa31dfc] pnv_php_init+0x60/0x98 [pnv_php]
 [c000000384d679f0] [c00000000000cfdc] do_one_initcall+0x6c/0x1d0
 [c000000384d67ab0] [c000000000b92354] do_init_module+0x94/0x254
 [c000000384d67b40] [c00000000019719c] load_module+0x258c/0x2c60
 [c000000384d67d30] [c000000000197bb0] SyS_finit_module+0xf0/0x170
 [c000000384d67e30] [c00000000000b184] system_call+0x38/0xe0
---
 drivers/pci/hotplug/pnv_php.c |    8 ++++++++
 1 file changed, 8 insertions(+)
@@ -799,6 +799,14 @@ static void pnv_php_enable_irq(struct pn
 	struct pci_dev *pdev = php_slot->pdev;
 	int irq, ret;
 
+	/*
+	 * The MSI/MSIx interrupt might have been occupied by other
+	 * drivers. Don't populate the surprise hotplug capability
+	 * in that case.
+	 */
+	if (pci_dev_msi_enabled(pdev))
+		return;
+
 	ret = pci_enable_device(pdev);
 	if (ret) {
 		dev_warn(&pdev->dev, "Error %d enabling device\n", ret);

  lun_ref = {
    count = {
      counter = 1
    },
    percpu_count_ptr = 3,
    release = 0xffffffffa02fa1e0 <core_tpg_lun_ref_release>,
    confirm_switch = 0x0,
    force_atomic = false,
    rcu = {
      next = 0xffff88154fa1a5d0,
      func = 0xffffffff8137c4c0 <percpu_ref_switch_to_atomic_rcu>
    }
---
 drivers/target/target_core_device.c    |   10 ++++++++--
 drivers/target/target_core_tpg.c       |    3 ++-
 drivers/target/target_core_transport.c |   31 ++++++++++++++++++++++++++++++-
 include/target/target_core_base.h      |    1 +
 4 files changed, 41 insertions(+), 4 deletions(-)
@@ -78,12 +78,16 @@ transport_lookup_cmd_lun(struct se_cmd *
 					&deve->read_bytes);
 
 		se_lun = rcu_dereference(deve->se_lun);
+
+		if (!percpu_ref_tryget_live(&se_lun->lun_ref)) {
+			se_lun = NULL;
+			goto out_unlock;
+		}
+
 		se_cmd->se_lun = rcu_dereference(deve->se_lun);
 		se_cmd->pr_res_key = deve->pr_res_key;
 		se_cmd->orig_fe_lun = unpacked_lun;
 		se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
-
-		percpu_ref_get(&se_lun->lun_ref);
 		se_cmd->lun_ref_active = true;
 
 		if ((se_cmd->data_direction == DMA_TO_DEVICE) &&

@@ -97,6 +101,7 @@ transport_lookup_cmd_lun(struct se_cmd *
 			goto ref_dev;
 		}
 	}
+out_unlock:
 	rcu_read_unlock();
 
 	if (!se_lun) {

@@ -816,6 +821,7 @@ struct se_device *target_alloc_device(st
 	xcopy_lun = &dev->xcopy_lun;
 	rcu_assign_pointer(xcopy_lun->lun_se_dev, dev);
 	init_completion(&xcopy_lun->lun_ref_comp);
+	init_completion(&xcopy_lun->lun_shutdown_comp);
 	INIT_LIST_HEAD(&xcopy_lun->lun_deve_list);
 	INIT_LIST_HEAD(&xcopy_lun->lun_dev_link);
 	mutex_init(&xcopy_lun->lun_tg_pt_md_mutex);

@@ -445,7 +445,7 @@ static void core_tpg_lun_ref_release(str
 {
 	struct se_lun *lun = container_of(ref, struct se_lun, lun_ref);
 
-	complete(&lun->lun_ref_comp);
+	complete(&lun->lun_shutdown_comp);
 }
 
 int core_tpg_register(

@@ -571,6 +571,7 @@ struct se_lun *core_tpg_alloc_lun(
 	lun->lun_link_magic = SE_LUN_LINK_MAGIC;
 	atomic_set(&lun->lun_acl_count, 0);
 	init_completion(&lun->lun_ref_comp);
+	init_completion(&lun->lun_shutdown_comp);
 	INIT_LIST_HEAD(&lun->lun_deve_list);
 	INIT_LIST_HEAD(&lun->lun_dev_link);
 	atomic_set(&lun->lun_tg_pt_secondary_offline, 0);

@@ -2706,10 +2706,39 @@ void target_wait_for_sess_cmds(struct se
 }
 EXPORT_SYMBOL(target_wait_for_sess_cmds);
 
+static void target_lun_confirm(struct percpu_ref *ref)
+{
+	struct se_lun *lun = container_of(ref, struct se_lun, lun_ref);
+
+	complete(&lun->lun_ref_comp);
+}
+
 void transport_clear_lun_ref(struct se_lun *lun)
 {
-	percpu_ref_kill(&lun->lun_ref);
+	/*
+	 * Mark the percpu-ref as DEAD, switch to atomic_t mode, drop
+	 * the initial reference and schedule confirm kill to be
+	 * executed after one full RCU grace period has completed.
+	 */
+	percpu_ref_kill_and_confirm(&lun->lun_ref, target_lun_confirm);
+	/*
+	 * The first completion waits for percpu_ref_switch_to_atomic_rcu()
+	 * to call target_lun_confirm after lun->lun_ref has been marked
+	 * as __PERCPU_REF_DEAD on all CPUs, and switches to atomic_t
+	 * mode so that percpu_ref_tryget_live() lookup of lun->lun_ref
+	 * fails for all new incoming I/O.
+	 */
 	wait_for_completion(&lun->lun_ref_comp);
+	/*
+	 * The second completion waits for percpu_ref_put_many() to
+	 * invoke ->release() after lun->lun_ref has switched to
+	 * atomic_t mode, and lun->lun_ref.count has reached zero.
+	 *
+	 * At this point all target-core lun->lun_ref references have
+	 * been dropped via transport_lun_remove_cmd(), and it's safe
+	 * to proceed with the remaining LUN shutdown.
+	 */
+	wait_for_completion(&lun->lun_shutdown_comp);
 }
 
 static bool

@@ -732,6 +732,7 @@ struct se_lun {
 	struct config_group	lun_group;
 	struct se_port_stat_grps port_stat_grps;
 	struct completion	lun_ref_comp;
+	struct completion	lun_shutdown_comp;
 	struct percpu_ref	lun_ref;
 	struct list_head	lun_dev_link;
 	struct hlist_node	link;

---
 drivers/pci/hotplug/pnv_php.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
@@ -713,8 +713,12 @@ static irqreturn_t pnv_php_interrupt(int
 		added = !!(lsts & PCI_EXP_LNKSTA_DLLLA);
 	} else if (sts & PCI_EXP_SLTSTA_PDC) {
 		ret = pnv_pci_get_presence_state(php_slot->id, &presence);
-		if (!ret)
+		if (ret) {
+			dev_warn(&pdev->dev, "PCI slot [%s] error %d getting presence (0x%04x), to retry the operation.\n",
+				 php_slot->name, ret, sts);
 			return IRQ_HANDLED;
+		}
+
 		added = !!(presence == OPAL_PCI_SLOT_PRESENT);
 	} else {
 		return IRQ_NONE;

        /* Check if the slot has been configured */
        if (php_slot->state != PNV_PHP_STATE_REGISTERED)
                return 0;
---
 drivers/pci/hotplug/pnv_php.c |   16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)
@@ -436,9 +436,21 @@ static int pnv_php_enable(struct pnv_php
 	if (ret)
 		return ret;
 
-	/* Proceed if there have nothing behind the slot */
-	if (presence == OPAL_PCI_SLOT_EMPTY)
+	/*
+	 * Proceed if there have nothing behind the slot. However,
+	 * we should leave the slot in registered state at the
+	 * beginning. Otherwise, the PCI devices inserted afterwards
+	 * won't be probed and populated.
+	 */
+	if (presence == OPAL_PCI_SLOT_EMPTY) {
+		if (!php_slot->power_state_check) {
+			php_slot->power_state_check = true;
+
+			return 0;
+		}
+
 		goto scan;
+	}
 
 	/*
 	 * If the power supply to the slot is off, we can't detect

---
 include/linux/lockd/lockd.h |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
@@ -355,7 +355,8 @@ static inline int nlm_privileged_request
 static inline int nlm_compare_locks(const struct file_lock *fl1,
 				    const struct file_lock *fl2)
 {
-	return	fl1->fl_pid   == fl2->fl_pid
+	return file_inode(fl1->fl_file) == file_inode(fl2->fl_file)
+	     && fl1->fl_pid   == fl2->fl_pid
 	     && fl1->fl_owner == fl2->fl_owner
 	     && fl1->fl_start == fl2->fl_start
 	     && fl1->fl_end   == fl2->fl_end

---
 drivers/pwm/pwm-pca9685.c |   11 -----------
 1 file changed, 11 deletions(-)
@@ -65,7 +65,6 @@
 #define PCA9685_MAXCHAN		0x10
 
 #define LED_FULL		(1 << 4)
-#define MODE1_RESTART		(1 << 7)
 #define MODE1_SLEEP		(1 << 4)
 #define MODE2_INVRT		(1 << 4)
 #define MODE2_OUTDRV		(1 << 2)

@@ -117,16 +116,6 @@ static int pca9685_pwm_config(struct pwm
 			udelay(500);
 
 			pca->period_ns = period_ns;
-
-			/*
-			 * If the duty cycle did not change, restart PWM with
-			 * the same duty cycle to period ratio and return.
-			 */
-			if (duty_ns == pca->duty_ns) {
-				regmap_update_bits(pca->regmap, PCA9685_MODE1,
-						   MODE1_RESTART, 0x1);
-				return 0;
-			}
 		} else {
 			dev_err(chip->dev,
 				"prescaler not set: period out of bounds!\n");

---
 arch/xtensa/kernel/setup.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -126,6 +126,8 @@ static int __init parse_tag_initrd(const
 
 __tagtable(BP_TAG_INITRD, parse_tag_initrd);
 
+#endif /* CONFIG_BLK_DEV_INITRD */
+
 #ifdef CONFIG_OF
 
 static int __init parse_tag_fdt(const bp_tag_t *tag)

@@ -138,8 +140,6 @@ __tagtable(BP_TAG_FDT, parse_tag_fdt);
 
 #endif /* CONFIG_OF */
 
-#endif /* CONFIG_BLK_DEV_INITRD */
-
 static int __init parse_tag_cmdline(const bp_tag_t* tag)
 {
 	strlcpy(command_line, (char *)(tag->data), COMMAND_LINE_SIZE);

---
 drivers/acpi/nfit/core.c        |   16 +++++++++++++++-
 drivers/nvdimm/namespace_devs.c |   18 ++++++++++++++----
 drivers/nvdimm/nd.h             |    1 +
 drivers/nvdimm/region_devs.c    |    9 +++++++++
 include/linux/libnvdimm.h       |    2 ++
 5 files changed, 41 insertions(+), 5 deletions(-)
@@ -1603,7 +1603,7 @@ static size_t sizeof_nfit_set_info(int n
 		+ num_mappings * sizeof(struct nfit_set_info_map);
 }
 
-static int cmp_map(const void *m0, const void *m1)
+static int cmp_map_compat(const void *m0, const void *m1)
 {
 	const struct nfit_set_info_map *map0 = m0;
 	const struct nfit_set_info_map *map1 = m1;

@@ -1612,6 +1612,14 @@ static int cmp_map(const void *m0, const
 			sizeof(u64));
 }
 
+static int cmp_map(const void *m0, const void *m1)
+{
+	const struct nfit_set_info_map *map0 = m0;
+	const struct nfit_set_info_map *map1 = m1;
+
+	return map0->region_offset - map1->region_offset;
+}
+
 /* Retrieve the nth entry referencing this spa */
 static struct acpi_nfit_memory_map *memdev_from_spa(
 		struct acpi_nfit_desc *acpi_desc, u16 range_index, int n)

@@ -1667,6 +1675,12 @@ static int acpi_nfit_init_interleave_set
 	sort(&info->mapping[0], nr, sizeof(struct nfit_set_info_map),
 			cmp_map, NULL);
 	nd_set->cookie = nd_fletcher64(info, sizeof_nfit_set_info(nr), 0);
+
+	/* support namespaces created with the wrong sort order */
+	sort(&info->mapping[0], nr, sizeof(struct nfit_set_info_map),
+			cmp_map_compat, NULL);
+	nd_set->altcookie = nd_fletcher64(info, sizeof_nfit_set_info(nr), 0);
+
 	ndr_desc->nd_set = nd_set;
 	devm_kfree(dev, info);
 

@@ -1700,6 +1700,7 @@ static int select_pmem_id(struct nd_regi
 struct device *create_namespace_pmem(struct nd_region *nd_region,
 		struct nd_namespace_label *nd_label)
 {
+	u64 altcookie = nd_region_interleave_set_altcookie(nd_region);
 	u64 cookie = nd_region_interleave_set_cookie(nd_region);
 	struct nd_label_ent *label_ent;
 	struct nd_namespace_pmem *nspm;

@@ -1718,7 +1719,11 @@ struct device *create_namespace_pmem(str
 	if (__le64_to_cpu(nd_label->isetcookie) != cookie) {
 		dev_dbg(&nd_region->dev, "invalid cookie in label: %pUb\n",
 				nd_label->uuid);
-		return ERR_PTR(-EAGAIN);
+		if (__le64_to_cpu(nd_label->isetcookie) != altcookie)
+			return ERR_PTR(-EAGAIN);
+
+		dev_dbg(&nd_region->dev, "valid altcookie in label: %pUb\n",
+				nd_label->uuid);
 	}
 
 	nspm = kzalloc(sizeof(*nspm), GFP_KERNEL);

@@ -1733,9 +1738,14 @@ struct device *create_namespace_pmem(str
 	res->name = dev_name(&nd_region->dev);
 	res->flags = IORESOURCE_MEM;
 
-	for (i = 0; i < nd_region->ndr_mappings; i++)
-		if (!has_uuid_at_pos(nd_region, nd_label->uuid, cookie, i))
-			break;
+	for (i = 0; i < nd_region->ndr_mappings; i++) {
+		if (has_uuid_at_pos(nd_region, nd_label->uuid, cookie, i))
+			continue;
+		if (has_uuid_at_pos(nd_region, nd_label->uuid, altcookie, i))
+			continue;
+		break;
+	}
+
 	if (i < nd_region->ndr_mappings) {
 		struct nvdimm_drvdata *ndd = to_ndd(&nd_region->mapping[i]);
 

@@ -328,6 +328,7 @@ struct nd_region *to_nd_region(struct de
 int nd_region_to_nstype(struct nd_region *nd_region);
 int nd_region_register_namespaces(struct nd_region *nd_region, int *err);
 u64 nd_region_interleave_set_cookie(struct nd_region *nd_region);
+u64 nd_region_interleave_set_altcookie(struct nd_region *nd_region);
 void nvdimm_bus_lock(struct device *dev);
 void nvdimm_bus_unlock(struct device *dev);
 bool is_nvdimm_bus_locked(struct device *dev);

@@ -505,6 +505,15 @@ u64 nd_region_interleave_set_cookie(stru
 	return 0;
 }
 
+u64 nd_region_interleave_set_altcookie(struct nd_region *nd_region)
+{
+	struct nd_interleave_set *nd_set = nd_region->nd_set;
+
+	if (nd_set)
+		return nd_set->altcookie;
+	return 0;
+}
+
 void nd_mapping_free_labels(struct nd_mapping *nd_mapping)
 {
 	struct nd_label_ent *label_ent, *e;

@@ -70,6 +70,8 @@ struct nd_cmd_desc {
 
 struct nd_interleave_set {
 	u64 cookie;
+	/* compatibility with initial buggy Linux implementation */
+	u64 altcookie;
 };
 
 struct nd_mapping_desc {

             sdata->crypto_tx_tailroom_pending_dec);
---
 net/mac80211/pm.c |    1 +
 1 file changed, 1 insertion(+)
@@ -168,6 +168,7 @@ int __ieee80211_suspend(struct ieee80211
 			break;
 		}
 
+		flush_delayed_work(&sdata->dec_tailroom_needed_wk);
 		drv_remove_interface(local, sdata);
 	}
 

---
 net/mac80211/agg-rx.c   |    1 +
 net/mac80211/rx.c       |   14 +++++++++++++-
 net/mac80211/sta_info.h |    6 ++++--
 3 files changed, 18 insertions(+), 3 deletions(-)
@@ -398,6 +398,7 @@ void __ieee80211_start_rx_ba_session(str
 	tid_agg_rx->timeout = timeout;
 	tid_agg_rx->stored_mpdu_num = 0;
 	tid_agg_rx->auto_seq = auto_seq;
+	tid_agg_rx->started = false;
 	tid_agg_rx->reorder_buf_filtered = 0;
 	status = WLAN_STATUS_SUCCESS;
 

@@ -4,7 +4,7 @@
  * Copyright 2006-2007	Jiri Benc <[email protected]>
  * Copyright 2007-2010	Johannes Berg <[email protected]>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
- * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as

@@ -1034,6 +1034,18 @@ static bool ieee80211_sta_manage_reorder
 	buf_size = tid_agg_rx->buf_size;
 	head_seq_num = tid_agg_rx->head_seq_num;
 
+	/*
+	 * If the current MPDU's SN is smaller than the SSN, it shouldn't
+	 * be reordered.
+	 */
+	if (unlikely(!tid_agg_rx->started)) {
+		if (ieee80211_sn_less(mpdu_seq_num, head_seq_num)) {
+			ret = false;
+			goto out;
+		}
+		tid_agg_rx->started = true;
+	}
+
 	/* frame with out of date sequence number */
 	if (ieee80211_sn_less(mpdu_seq_num, head_seq_num)) {
 		dev_kfree_skb(skb);

@@ -189,6 +189,7 @@ struct tid_ampdu_tx {
  * @auto_seq: used for offloaded BA sessions to automatically pick head_seq_and
  *	and ssn.
  * @removed: this session is removed (but might have been found due to RCU)
+ * @started: this session has started (head ssn or higher was received)
  *
  * This structure's lifetime is managed by RCU, assignments to
  * the array holding it must hold the aggregation mutex.

@@ -212,8 +213,9 @@ struct tid_ampdu_rx {
 	u16 ssn;
 	u16 buf_size;
 	u16 timeout;
-	bool auto_seq;
-	bool removed;
+	u8 auto_seq:1,
+	   removed:1,
+	   started:1;
 };
 
 /**

---
 net/mac80211/status.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
@@ -51,7 +51,8 @@ static void ieee80211_handle_filtered_fr
 	struct ieee80211_hdr *hdr = (void *)skb->data;
 	int ac;
 
-	if (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER) {
+	if (info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER |
+			   IEEE80211_TX_CTL_AMPDU)) {
 		ieee80211_free_txskb(&local->hw, skb);
 		return;
 	}

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
@@ -1252,7 +1252,8 @@ void amdgpu_pm_compute_clocks(struct amd
 	if (!adev->pm.dpm_enabled)
 		return;
 
-	amdgpu_display_bandwidth_update(adev);
+	if (adev->mode_info.num_crtc)
+		amdgpu_display_bandwidth_update(adev);
 
 	for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
 		struct amdgpu_ring *ring = adev->rings[i];

 drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c |  330 ++++++++++++++--------------------
 1 file changed, 139 insertions(+), 191 deletions(-)
@@ -708,290 +708,238 @@ static void gfx_v6_0_tiling_mode_table_i
 		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) {
 			switch (reg_offset) {
 			case 0:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4) |
-						 NUM_BANKS(ADDR_SURF_16_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
 				break;
 			case 1:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4) |
-						 NUM_BANKS(ADDR_SURF_16_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
 				break;
 			case 2:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4) |
-						 NUM_BANKS(ADDR_SURF_16_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
 				break;
 			case 3:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
+						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_8_BANK) |
-						 TILE_SPLIT(split_equal_to_row_size));
+						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
 				break;
 			case 4:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2));
+				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
+						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
+						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
+						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 5:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
-						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
+						 TILE_SPLIT(split_equal_to_row_size) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_8_BANK));
+						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 6:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
-						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
+						 TILE_SPLIT(split_equal_to_row_size) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_8_BANK));
+						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 7:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
-						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
+						 TILE_SPLIT(split_equal_to_row_size) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_4_BANK));
+						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
 				break;
 			case 8:
-				gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED));
+				gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
+						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
+						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
+						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
+						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 9:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2));
+				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
+						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
+						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
+						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 10:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4) |
-						 NUM_BANKS(ADDR_SURF_16_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
 				break;
 			case 11:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) |
-						 NUM_BANKS(ADDR_SURF_16_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 12:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) |
-						 NUM_BANKS(ADDR_SURF_16_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 13:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2));
+				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
+						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
+						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
+						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 14:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) |
-						 NUM_BANKS(ADDR_SURF_16_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 15:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) |
-						 NUM_BANKS(ADDR_SURF_16_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 16:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) |
-						 NUM_BANKS(ADDR_SURF_16_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 17:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
-						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) |
-						 NUM_BANKS(ADDR_SURF_16_BANK) |
-						 TILE_SPLIT(split_equal_to_row_size));
-				break;
-			case 18:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_1D_TILED_THICK) |
-						 PIPE_CONFIG(ADDR_SURF_P2));
-				break;
-			case 19:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_XTHICK) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
-						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
+						 TILE_SPLIT(split_equal_to_row_size) |
 						 NUM_BANKS(ADDR_SURF_16_BANK) |
-						 TILE_SPLIT(split_equal_to_row_size));
-				break;
-			case 20:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THICK) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) |
-						 NUM_BANKS(ADDR_SURF_16_BANK) |
-						 TILE_SPLIT(split_equal_to_row_size));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 21:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_8_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 22:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
-						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_8_BANK));
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
+						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
+						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
 				break;
 			case 23:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_8_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 24:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
+						 NUM_BANKS(ADDR_SURF_16_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_8_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
 				break;
 			case 25:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
+				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
+						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
+						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
-						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_4_BANK));
-				break;
-			case 26:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
-						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
-						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_4_BANK));
-				break;
-			case 27:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
-						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
-						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_4_BANK));
-				break;
-			case 28:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
-						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
-						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_4_BANK));
-				break;
-			case 29:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
-						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
-						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
-						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_4_BANK));
-				break;
-			case 30:
-				gb_tile_moden = (MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
-						 ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
-						 PIPE_CONFIG(ADDR_SURF_P2) |
-						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_2KB) |
+						 NUM_BANKS(ADDR_SURF_8_BANK) |
 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
-						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) |
-						 NUM_BANKS(ADDR_SURF_4_BANK));
+						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
 				break;
 			default:
-				continue;
+				gb_tile_moden = 0;
+				break;
 			}
 			adev->gfx.config.tile_mode_array[reg_offset] = gb_tile_moden;
 			WREG32(mmGB_TILE_MODE0 + reg_offset, gb_tile_moden);

---
 drivers/gpu/drm/ast/ast_drv.h  |    6 
 drivers/gpu/drm/ast/ast_main.c |  264 +++++++++++++++++++++++++----------------
 drivers/gpu/drm/ast/ast_post.c |    7 -
 3 files changed, 168 insertions(+), 109 deletions(-)
@@ -113,7 +113,11 @@ struct ast_private {
 	struct ttm_bo_kmap_obj cache_kmap;
 	int next_cursor;
 	bool support_wide_screen;
-	bool DisableP2A;
+	enum {
+		ast_use_p2a,
+		ast_use_dt,
+		ast_use_defaults
+	} config_mode;
 
 	enum ast_tx_chip tx_chip_type;
 	u8 dp501_maxclk;

@@ -379,17 +379,14 @@ void ast_post_gpu(struct drm_device *dev
 	ast_open_key(ast);
 	ast_set_def_ext_reg(dev);
 
-	if (ast->DisableP2A == false)
-	{
+	if (ast->config_mode == ast_use_p2a) {
 		if (ast->chip == AST2300 || ast->chip == AST2400)
 			ast_init_dram_2300(dev);
 		else
 			ast_init_dram_reg(dev);
 
 		ast_init_3rdtx(dev);
-	}
-	else
-	{
+	} else {
 		if (ast->tx_chip_type != AST_TX_NONE)
 			ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xcf, 0x80);	/* Enable DVO */
 	}

---
 drivers/gpu/drm/ast/ast_post.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
@@ -58,13 +58,9 @@ bool ast_is_vga_enabled(struct drm_devic
 		/* TODO 1180 */
 	} else {
 		ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT);
-		if (ch) {
-			ast_open_key(ast);
-			ch = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xb6, 0xff);
-			return ch & 0x04;
-		}
+		return !!(ch & 0x01);
 	}
-	return 0;
+	return false;
 }
 
 static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };

---
 drivers/gpu/drm/ast/ast_post.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -371,8 +371,8 @@ void ast_post_gpu(struct drm_device *dev
 	pci_write_config_dword(ast->dev->pdev, 0x04, reg);
 
 	ast_enable_vga(dev);
-	ast_enable_mmio(dev);
 	ast_open_key(ast);
+	ast_enable_mmio(dev);
 	ast_set_def_ext_reg(dev);
 
 	if (ast->config_mode == ast_use_p2a) {

---
 drivers/gpu/drm/ast/ast_post.c |   38 +++++++++++++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)
@@ -1631,12 +1631,44 @@ static void ast_init_dram_2300(struct dr
 		temp |= 0x73;
 		ast_write32(ast, 0x12008, temp);
 
+		param.dram_freq = 396;
 		param.dram_type = AST_DDR3;
+		temp = ast_mindwm(ast, 0x1e6e2070);
 		if (temp & 0x01000000)
 			param.dram_type = AST_DDR2;
-		param.dram_chipid = ast->dram_type;
-		param.dram_freq = ast->mclk;
-		param.vram_size = ast->vram_size;
+                switch (temp & 0x18000000) {
+		case 0:
+			param.dram_chipid = AST_DRAM_512Mx16;
+			break;
+		default:
+		case 0x08000000:
+			param.dram_chipid = AST_DRAM_1Gx16;
+			break;
+		case 0x10000000:
+			param.dram_chipid = AST_DRAM_2Gx16;
+			break;
+		case 0x18000000:
+			param.dram_chipid = AST_DRAM_4Gx16;
+			break;
+		}
+                switch (temp & 0x0c) {
+                default:
+		case 0x00:
+			param.vram_size = AST_VIDMEM_SIZE_8M;
+			break;
+
+		case 0x04:
+			param.vram_size = AST_VIDMEM_SIZE_16M;
+			break;
+
+		case 0x08:
+			param.vram_size = AST_VIDMEM_SIZE_32M;
+			break;
+
+		case 0x0c:
+			param.vram_size = AST_VIDMEM_SIZE_64M;
+			break;
+		}
 
 		if (param.dram_type == AST_DDR3) {
 			get_ddr3_info(ast, &param);

---
 drivers/gpu/drm/radeon/radeon_bios.c |   68 +++++++++++++++++++----------------
 1 file changed, 37 insertions(+), 31 deletions(-)
@@ -596,52 +596,58 @@ static bool radeon_read_disabled_bios(st
 #ifdef CONFIG_ACPI
 static bool radeon_acpi_vfct_bios(struct radeon_device *rdev)
 {
-	bool ret = false;
 	struct acpi_table_header *hdr;
 	acpi_size tbl_size;
 	UEFI_ACPI_VFCT *vfct;
-	GOP_VBIOS_CONTENT *vbios;
-	VFCT_IMAGE_HEADER *vhdr;
+	unsigned offset;
 
 	if (!ACPI_SUCCESS(acpi_get_table("VFCT", 1, &hdr)))
 		return false;
 	tbl_size = hdr->length;
 	if (tbl_size < sizeof(UEFI_ACPI_VFCT)) {
 		DRM_ERROR("ACPI VFCT table present but broken (too short #1)\n");
-		goto out_unmap;
+		return false;
 	}
 
 	vfct = (UEFI_ACPI_VFCT *)hdr;
-	if (vfct->VBIOSImageOffset + sizeof(VFCT_IMAGE_HEADER) > tbl_size) {
-		DRM_ERROR("ACPI VFCT table present but broken (too short #2)\n");
-		goto out_unmap;
-	}
+	offset = vfct->VBIOSImageOffset;
 
-	vbios = (GOP_VBIOS_CONTENT *)((char *)hdr + vfct->VBIOSImageOffset);
-	vhdr = &vbios->VbiosHeader;
-	DRM_INFO("ACPI VFCT contains a BIOS for %02x:%02x.%d %04x:%04x, size %d\n",
-			vhdr->PCIBus, vhdr->PCIDevice, vhdr->PCIFunction,
-			vhdr->VendorID, vhdr->DeviceID, vhdr->ImageLength);
-
-	if (vhdr->PCIBus != rdev->pdev->bus->number ||
-	    vhdr->PCIDevice != PCI_SLOT(rdev->pdev->devfn) ||
-	    vhdr->PCIFunction != PCI_FUNC(rdev->pdev->devfn) ||
-	    vhdr->VendorID != rdev->pdev->vendor ||
-	    vhdr->DeviceID != rdev->pdev->device) {
-		DRM_INFO("ACPI VFCT table is not for this card\n");
-		goto out_unmap;
+	while (offset < tbl_size) {
+		GOP_VBIOS_CONTENT *vbios = (GOP_VBIOS_CONTENT *)((char *)hdr + offset);
+		VFCT_IMAGE_HEADER *vhdr = &vbios->VbiosHeader;
+
+		offset += sizeof(VFCT_IMAGE_HEADER);
+		if (offset > tbl_size) {
+			DRM_ERROR("ACPI VFCT image header truncated\n");
+			return false;
+		}
+
+		offset += vhdr->ImageLength;
+		if (offset > tbl_size) {
+			DRM_ERROR("ACPI VFCT image truncated\n");
+			return false;
+		}
+
+		if (vhdr->ImageLength &&
+		    vhdr->PCIBus == rdev->pdev->bus->number &&
+		    vhdr->PCIDevice == PCI_SLOT(rdev->pdev->devfn) &&
+		    vhdr->PCIFunction == PCI_FUNC(rdev->pdev->devfn) &&
+		    vhdr->VendorID == rdev->pdev->vendor &&
+		    vhdr->DeviceID == rdev->pdev->device) {
+			rdev->bios = kmemdup(&vbios->VbiosContent,
+					     vhdr->ImageLength,
+					     GFP_KERNEL);
+
+			if (!rdev->bios) {
+				kfree(rdev->bios);
+				return false;
+			}
+			return true;
+		}
 	}
 
-	if (vfct->VBIOSImageOffset + sizeof(VFCT_IMAGE_HEADER) + vhdr->ImageLength > tbl_size) {
-		DRM_ERROR("ACPI VFCT image truncated\n");
-		goto out_unmap;
-	}
-
-	rdev->bios = kmemdup(&vbios->VbiosContent, vhdr->ImageLength, GFP_KERNEL);
-	ret = !!rdev->bios;
-
-out_unmap:
-	return ret;
+	DRM_ERROR("ACPI VFCT table present but broken (too short #2)\n");
+	return false;
 }
 #else
 static inline bool radeon_acpi_vfct_bios(struct radeon_device *rdev)

---
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c |   11 ++++++++++-
 drivers/gpu/drm/vmwgfx/vmwgfx_drv.h |    4 ++--
 2 files changed, 12 insertions(+), 3 deletions(-)
@@ -199,9 +199,14 @@ static const struct drm_ioctl_desc vmw_i
 	VMW_IOCTL_DEF(VMW_PRESENT_READBACK,
 		      vmw_present_readback_ioctl,
 		      DRM_MASTER | DRM_AUTH),
+	/*
+	 * The permissions of the below ioctl are overridden in
+	 * vmw_generic_ioctl(). We require either
+	 * DRM_MASTER or capable(CAP_SYS_ADMIN).
+	 */
 	VMW_IOCTL_DEF(VMW_UPDATE_LAYOUT,
 		      vmw_kms_update_layout_ioctl,
-		      DRM_MASTER | DRM_CONTROL_ALLOW),
+		      DRM_RENDER_ALLOW),
 	VMW_IOCTL_DEF(VMW_CREATE_SHADER,
 		      vmw_shader_define_ioctl,
 		      DRM_AUTH | DRM_RENDER_ALLOW),

@@ -1125,6 +1130,10 @@ static long vmw_generic_ioctl(struct fil
 
 			return (long) vmw_execbuf_ioctl(dev, arg, file_priv,
 							_IOC_SIZE(cmd));
+		} else if (nr == DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT) {
+			if (!drm_is_current_master(file_priv) &&
+			    !capable(CAP_SYS_ADMIN))
+				return -EACCES;
 		}
 
 		if (unlikely(ioctl->cmd != cmd))

@@ -41,9 +41,9 @@
 #include <drm/ttm/ttm_module.h>
 #include "vmwgfx_fence.h"
 
-#define VMWGFX_DRIVER_DATE "20160210"
+#define VMWGFX_DRIVER_DATE "20170221"
 #define VMWGFX_DRIVER_MAJOR 2
-#define VMWGFX_DRIVER_MINOR 11
+#define VMWGFX_DRIVER_MINOR 12
 #define VMWGFX_DRIVER_PATCHLEVEL 0
 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000
 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024)

---
 drivers/gpu/drm/imx/imx-tve.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
@@ -98,6 +98,8 @@
 /* TVE_TST_MODE_REG */
 #define TVE_TVDAC_TEST_MODE_MASK	(0x7 << 0)
 
+#define IMX_TVE_DAC_VOLTAGE	2750000
+
 enum {
 	TVE_MODE_TVOUT,
 	TVE_MODE_VGA,

@@ -621,9 +623,8 @@ static int imx_tve_bind(struct device *d
 
 	tve->dac_reg = devm_regulator_get(dev, "dac");
 	if (!IS_ERR(tve->dac_reg)) {
-		ret = regulator_set_voltage(tve->dac_reg, 2750000, 2750000);
-		if (ret)
-			return ret;
+		if (regulator_get_voltage(tve->dac_reg) != IMX_TVE_DAC_VOLTAGE)
+			dev_warn(dev, "dac voltage is not %d uV\n", IMX_TVE_DAC_VOLTAGE);
 		ret = regulator_enable(tve->dac_reg);
 		if (ret)
 			return ret;

---
 drivers/gpu/drm/drm_atomic_helper.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -362,7 +362,7 @@ mode_fixup(struct drm_atomic_state *stat
 	struct drm_connector *connector;
 	struct drm_connector_state *conn_state;
 	int i;
-	bool ret;
+	int ret;
 
 	for_each_crtc_in_state(state, crtc, crtc_state, i) {
 		if (!crtc_state->mode_changed &&

---
 drivers/gpu/drm/i915/i915_gem_stolen.c |    5 +++++
 1 file changed, 5 insertions(+)
@@ -414,6 +414,11 @@ int i915_gem_init_stolen(struct drm_i915
 
 	mutex_init(&dev_priv->mm.stolen_lock);
 
+	if (intel_vgpu_active(dev_priv)) {
+		DRM_INFO("iGVT-g active, disabling use of stolen memory\n");
+		return 0;
+	}
+
 #ifdef CONFIG_INTEL_IOMMU
 	if (intel_iommu_gfx_mapped && INTEL_GEN(dev_priv) < 8) {
 		DRM_INFO("DMAR active, disabling use of stolen memory\n");

---
 drivers/gpu/drm/drm_fb_helper.c |    2 ++
 1 file changed, 2 insertions(+)
@@ -856,6 +856,8 @@ void drm_fb_helper_fini(struct drm_fb_he
 	if (!drm_fbdev_emulation)
 		return;
 
+	cancel_work_sync(&fb_helper->dirty_work);
+
 	mutex_lock(&kernel_fb_helper_lock);
 	if (!list_empty(&fb_helper->kernel_fb_list)) {
 		list_del(&fb_helper->kernel_fb_list);

---
 drivers/gpu/drm/drm_fb_helper.c |    1 +
 1 file changed, 1 insertion(+)
@@ -856,6 +856,7 @@ void drm_fb_helper_fini(struct drm_fb_he
 	if (!drm_fbdev_emulation)
 		return;
 
+	cancel_work_sync(&fb_helper->resume_work);
 	cancel_work_sync(&fb_helper->dirty_work);
 
 	mutex_lock(&kernel_fb_helper_lock);

---
 drivers/gpu/drm/i915/i915_gem_internal.c |   37 +++++++++++++++++++------------
 1 file changed, 23 insertions(+), 14 deletions(-)
@@ -46,24 +46,12 @@ static struct sg_table *
 i915_gem_object_get_pages_internal(struct drm_i915_gem_object *obj)
 {
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
-	unsigned int npages = obj->base.size / PAGE_SIZE;
 	struct sg_table *st;
 	struct scatterlist *sg;
+	unsigned int npages;
 	int max_order;
 	gfp_t gfp;
 
-	st = kmalloc(sizeof(*st), GFP_KERNEL);
-	if (!st)
-		return ERR_PTR(-ENOMEM);
-
-	if (sg_alloc_table(st, npages, GFP_KERNEL)) {
-		kfree(st);
-		return ERR_PTR(-ENOMEM);
-	}
-
-	sg = st->sgl;
-	st->nents = 0;
-
 	max_order = MAX_ORDER;
 #ifdef CONFIG_SWIOTLB
 	if (swiotlb_nr_tbl()) {

@@ -85,6 +73,20 @@ i915_gem_object_get_pages_internal(struc
 		gfp |= __GFP_DMA32;
 	}
 
+create_st:
+	st = kmalloc(sizeof(*st), GFP_KERNEL);
+	if (!st)
+		return ERR_PTR(-ENOMEM);
+
+	npages = obj->base.size / PAGE_SIZE;
+	if (sg_alloc_table(st, npages, GFP_KERNEL)) {
+		kfree(st);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	sg = st->sgl;
+	st->nents = 0;
+
 	do {
 		int order = min(fls(npages) - 1, max_order);
 		struct page *page;

@@ -112,8 +114,15 @@ i915_gem_object_get_pages_internal(struc
 		sg = __sg_next(sg);
 	} while (1);
 
-	if (i915_gem_gtt_prepare_pages(obj, st))
+	if (i915_gem_gtt_prepare_pages(obj, st)) {
+		/* Failed to dma-map try again with single page sg segments */
+		if (get_order(st->sgl->length)) {
+			internal_free_pages(st);
+			max_order = 0;
+			goto create_st;
+		}
 		goto err;
+	}
 
 	/* Mark the pages as dontneed whilst they are still pinned. As soon
 	 * as they are unpinned they are allowed to be reaped by the shrinker,

---
 drivers/gpu/drm/i915/i915_gem_request.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
@@ -1011,8 +1011,13 @@ __i915_request_wait_for_execute(struct d
 			break;
 		}
 
+		if (!timeout) {
+			timeout = -ETIME;
+			break;
+		}
+
 		timeout = io_schedule_timeout(timeout);
-	} while (timeout);
+	} while (1);
 	finish_wait(&request->execute.wait, &wait);
 
 	if (flags & I915_WAIT_LOCKED)

---
 drivers/gpu/drm/i915/i915_gem.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -440,7 +440,7 @@ i915_gem_object_wait_reservation(struct
 			timeout = i915_gem_object_wait_fence(shared[i],
 							     flags, timeout,
 							     rps);
-			if (timeout <= 0)
+			if (timeout < 0)
 				break;
 
 			dma_fence_put(shared[i]);

@@ -453,7 +453,7 @@ i915_gem_object_wait_reservation(struct
 		excl = reservation_object_get_excl_rcu(resv);
 	}
 
-	if (excl && timeout > 0)
+	if (excl && timeout >= 0)
 		timeout = i915_gem_object_wait_fence(excl, flags, timeout, rps);
 
 	dma_fence_put(excl);

---
 drivers/gpu/drm/i915/intel_opregion.c |   13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)
@@ -982,7 +982,18 @@ int intel_opregion_setup(struct drm_i915
 			opregion->vbt_size = vbt_size;
 		} else {
 			vbt = base + OPREGION_VBT_OFFSET;
-			vbt_size = OPREGION_ASLE_EXT_OFFSET - OPREGION_VBT_OFFSET;
+			/*
+			 * The VBT specification says that if the ASLE ext
+			 * mailbox is not used its area is reserved, but
+			 * on some CHT boards the VBT extends into the
+			 * ASLE ext area. Allow this even though it is
+			 * against the spec, so we do not end up rejecting
+			 * the VBT on those boards (and end up not finding the
+			 * LCD panel because of this).
+			 */
+			vbt_size = (mboxes & MBOX_ASLE_EXT) ?
+				OPREGION_ASLE_EXT_OFFSET : OPREGION_SIZE;
+			vbt_size -= OPREGION_VBT_OFFSET;
 			if (intel_bios_is_valid_vbt(vbt, vbt_size)) {
 				DRM_DEBUG_KMS("Found valid VBT in ACPI OpRegion (Mailbox #4)\n");
 				opregion->vbt = vbt;

---
 include/linux/ceph/osdmap.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -57,7 +57,7 @@ static inline bool ceph_can_shift_osds(s
 	case CEPH_POOL_TYPE_EC:
 		return false;
 	default:
-		BUG_ON(1);
+		BUG();
 	}
 }
 

---
 arch/x86/mm/gup.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
@@ -120,6 +120,11 @@ static noinline int gup_pte_range(pmd_t
 			return 0;
 		}
 
+		if (!pte_allows_gup(pte_val(pte), write)) {
+			pte_unmap(ptep);
+			return 0;
+		}
+
 		if (pte_devmap(pte)) {
 			pgmap = get_dev_pagemap(pte_pfn(pte), pgmap);
 			if (unlikely(!pgmap)) {

@@ -127,8 +132,7 @@ static noinline int gup_pte_range(pmd_t
 				pte_unmap(ptep);
 				return 0;
 			}
-		} else if (!pte_allows_gup(pte_val(pte), write) ||
-			   pte_special(pte)) {
+		} else if (pte_special(pte)) {
 			pte_unmap(ptep);
 			return 0;
 		}

---
 arch/x86/include/asm/tlbflush.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -188,7 +188,7 @@ static inline void __native_flush_tlb_si
 
 static inline void __flush_tlb_all(void)
 {
-	if (static_cpu_has(X86_FEATURE_PGE))
+	if (boot_cpu_has(X86_FEATURE_PGE))
 		__flush_tlb_global();
 	else
 		__flush_tlb();

	int main(int argc, char *argv[])
	{
		int fd;

		system("mount -t tmpfs -o huge=always none /mnt");
		fd = open("/mnt/test", O_CREAT | O_RDWR);
		ftruncate(fd, 4UL << 20);
		mmap(NULL, 4UL << 20, PROT_READ | PROT_WRITE,
				MAP_SHARED | MAP_FIXED | MAP_LOCKED, fd, 0);
		mmap(NULL, 4096, PROT_READ | PROT_WRITE,
				MAP_SHARED | MAP_LOCKED, fd, 0);
		munlockall();
		return 0;
	}
---
 mm/mlock.c |    9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)
@@ -441,7 +441,7 @@ void munlock_vma_pages_range(struct vm_a
 
 	while (start < end) {
 		struct page *page;
-		unsigned int page_mask;
+		unsigned int page_mask = 0;
 		unsigned long page_increm;
 		struct pagevec pvec;
 		struct zone *zone;

@@ -455,8 +455,7 @@ void munlock_vma_pages_range(struct vm_a
 		 * suits munlock very well (and if somehow an abnormal page
 		 * has sneaked into the range, we won't oops here: great).
 		 */
-		page = follow_page_mask(vma, start, FOLL_GET | FOLL_DUMP,
-				&page_mask);
+		page = follow_page(vma, start, FOLL_GET | FOLL_DUMP);
 
 		if (page && !IS_ERR(page)) {
 			if (PageTransTail(page)) {

@@ -467,8 +466,8 @@ void munlock_vma_pages_range(struct vm_a
 				/*
 				 * Any THP page found by follow_page_mask() may
 				 * have gotten split before reaching
-				 * munlock_vma_page(), so we need to recompute
-				 * the page_mask here.
+				 * munlock_vma_page(), so we need to compute
+				 * the page_mask here instead.
 				 */
 				page_mask = munlock_vma_page(page);
 				unlock_page(page);

  CPU: 1 PID: 1950 Comm: mkdir Not tainted 4.10.0+ #151
  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
  Call Trace:
   dump_stack+0x67/0x99
   register_lock_class+0x36d/0x540
   __lock_acquire+0x7f/0x1a30
   lock_acquire+0xcc/0x200
   del_timer_sync+0x3c/0xc0
   wb_domain_exit+0x14/0x20
   mem_cgroup_free+0x14/0x40
   mem_cgroup_css_alloc+0x3f9/0x620
   cgroup_apply_control_enable+0x190/0x390
   cgroup_mkdir+0x290/0x3d0
   kernfs_iop_mkdir+0x58/0x80
   vfs_mkdir+0x10e/0x1a0
   SyS_mkdirat+0xa8/0xd0
   SyS_mkdir+0x14/0x20
   entry_SYSCALL_64_fastpath+0x18/0xad
---
 mm/memcontrol.c |   11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)
@@ -4132,17 +4132,22 @@ static void free_mem_cgroup_per_node_inf
 	kfree(memcg->nodeinfo[node]);
 }
 
-static void mem_cgroup_free(struct mem_cgroup *memcg)
+static void __mem_cgroup_free(struct mem_cgroup *memcg)
 {
 	int node;
 
-	memcg_wb_domain_exit(memcg);
 	for_each_node(node)
 		free_mem_cgroup_per_node_info(memcg, node);
 	free_percpu(memcg->stat);
 	kfree(memcg);
 }
 
+static void mem_cgroup_free(struct mem_cgroup *memcg)
+{
+	memcg_wb_domain_exit(memcg);
+	__mem_cgroup_free(memcg);
+}
+
 static struct mem_cgroup *mem_cgroup_alloc(void)
 {
 	struct mem_cgroup *memcg;

@@ -4193,7 +4198,7 @@ static struct mem_cgroup *mem_cgroup_all
 fail:
 	if (memcg->id.id > 0)
 		idr_remove(&mem_cgroup_idr, memcg->id.id);
-	mem_cgroup_free(memcg);
+	__mem_cgroup_free(memcg);
 	return NULL;
 }
 

---
 mm/kasan/quarantine.c |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
@@ -282,8 +282,15 @@ void quarantine_remove_cache(struct kmem
 	on_each_cpu(per_cpu_remove_cache, cache, 1);
 
 	spin_lock_irqsave(&quarantine_lock, flags);
-	for (i = 0; i < QUARANTINE_BATCHES; i++)
+	for (i = 0; i < QUARANTINE_BATCHES; i++) {
+		if (qlist_empty(&global_quarantine[i]))
+			continue;
 		qlist_move_cache(&global_quarantine[i], &to_free, cache);
+		/* Scanning whole quarantine can take a while. */
+		spin_unlock_irqrestore(&quarantine_lock, flags);
+		cond_resched();
+		spin_lock_irqsave(&quarantine_lock, flags);
+	}
 	spin_unlock_irqrestore(&quarantine_lock, flags);
 
 	qlist_free_all(&to_free, cache);

---
 fs/fat/inode.c |   13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)
@@ -1359,6 +1359,16 @@ out:
 	return 0;
 }
 
+static void fat_dummy_inode_init(struct inode *inode)
+{
+	/* Initialize this dummy inode to work as no-op. */
+	MSDOS_I(inode)->mmu_private = 0;
+	MSDOS_I(inode)->i_start = 0;
+	MSDOS_I(inode)->i_logstart = 0;
+	MSDOS_I(inode)->i_attrs = 0;
+	MSDOS_I(inode)->i_pos = 0;
+}
+
 static int fat_read_root(struct inode *inode)
 {
 	struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb);

@@ -1803,12 +1813,13 @@ int fat_fill_super(struct super_block *s
 	fat_inode = new_inode(sb);
 	if (!fat_inode)
 		goto out_fail;
-	MSDOS_I(fat_inode)->i_pos = 0;
+	fat_dummy_inode_init(fat_inode);
 	sbi->fat_inode = fat_inode;
 
 	fsinfo_inode = new_inode(sb);
 	if (!fsinfo_inode)
 		goto out_fail;
+	fat_dummy_inode_init(fsinfo_inode);
 	fsinfo_inode->i_ino = MSDOS_FSINFO_INO;
 	sbi->fsinfo_inode = fsinfo_inode;
 	insert_inode_hash(fsinfo_inode);

---
 drivers/hv/hv.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -220,7 +220,7 @@ int hv_init(void)
 	/* See if the hypercall page is already set */
 	rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
 
-	virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_EXEC);
+	virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_RX);
 
 	if (!virtaddr)
 		goto cleanup;

	total: 149 pass: 149 fail: 0
Qemu test results:
	total: 122 pass: 122 fail: 0
	total: 149 pass: 149 fail: 0
Qemu test results:
	total: 122 pass: 122 fail: 0