63 files changed, 374 insertions, 229 deletions

diff --git a/include/asm-frv/pgtable.h b/include/asm-frv/pgtable.h
index 83c51aba534b..e16fdb1f4f4f 100644
--- a/include/asm-frv/pgtable.h
+++ b/include/asm-frv/pgtable.h
@@ -478,7 +478,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 #define __swp_type(x)                   (((x).val >> 2) & 0x1f)
 #define __swp_offset(x)                 ((x).val >> 8)
 #define __swp_entry(type, offset)       ((swp_entry_t) { ((type) << 2) | ((offset) << 8) })
-#define __pte_to_swp_entry(pte)         ((swp_entry_t) { (pte).pte })
+#define __pte_to_swp_entry(_pte)        ((swp_entry_t) { (_pte).pte })
 #define __swp_entry_to_pte(x)           ((pte_t) { (x).val })
 
 static inline int pte_file(pte_t pte)
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 8190b9bcc2d9..e5f4ae989abf 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1321,6 +1321,8 @@ void drm_gem_object_free(struct kref *kref);
 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
                                             size_t size);
 void drm_gem_object_handle_free(struct kref *kref);
+void drm_gem_vm_open(struct vm_area_struct *vma);
+void drm_gem_vm_close(struct vm_area_struct *vma);
 int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
 
 static inline void
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index d54de24bf371..5ded1acfb543 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -609,7 +609,7 @@ extern char *drm_get_dvi_i_subconnector_name(int val);
 extern char *drm_get_dvi_i_select_name(int val);
 extern char *drm_get_tv_subconnector_name(int val);
 extern char *drm_get_tv_select_name(int val);
-extern void drm_fb_release(struct file *filp);
+extern void drm_fb_release(struct drm_file *file_priv);
 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
 extern struct edid *drm_get_edid(struct drm_connector *connector,
                                  struct i2c_adapter *adapter);
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index 0c6f0e11b41b..c7d4b2e606a5 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -54,13 +54,13 @@ struct drm_crtc_helper_funcs {
                            struct drm_display_mode *mode,
                            struct drm_display_mode *adjusted_mode);
         /* Actually set the mode */
-        void (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode,
-                         struct drm_display_mode *adjusted_mode, int x, int y,
-                         struct drm_framebuffer *old_fb);
+        int (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode,
+                        struct drm_display_mode *adjusted_mode, int x, int y,
+                        struct drm_framebuffer *old_fb);
 
         /* Move the crtc on the current fb to the given position *optional* */
-        void (*mode_set_base)(struct drm_crtc *crtc, int x, int y,
-                              struct drm_framebuffer *old_fb);
+        int (*mode_set_base)(struct drm_crtc *crtc, int x, int y,
+                             struct drm_framebuffer *old_fb);
 };
 
 struct drm_encoder_helper_funcs {
@@ -76,6 +76,7 @@ struct drm_encoder_helper_funcs {
         void (*mode_set)(struct drm_encoder *encoder,
                          struct drm_display_mode *mode,
                          struct drm_display_mode *adjusted_mode);
+        struct drm_crtc *(*get_crtc)(struct drm_encoder *encoder);
         /* detect for DAC style encoders */
         enum drm_connector_status (*detect)(struct drm_encoder *encoder,
                                             struct drm_connector *connector);
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index c707c15f5164..a11cc9d32591 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -58,10 +58,10 @@ struct detailed_pixel_timing {
         u8 hsync_pulse_width_lo;
         u8 vsync_pulse_width_lo:4;
         u8 vsync_offset_lo:4;
-        u8 hsync_pulse_width_hi:2;
-        u8 hsync_offset_hi:2;
         u8 vsync_pulse_width_hi:2;
         u8 vsync_offset_hi:2;
+        u8 hsync_pulse_width_hi:2;
+        u8 hsync_offset_hi:2;
         u8 width_mm_lo;
         u8 height_mm_lo;
         u8 height_mm_hi:4;
@@ -69,8 +69,8 @@ struct detailed_pixel_timing {
         u8 hborder;
         u8 vborder;
         u8 unknown0:1;
-        u8 vsync_positive:1;
         u8 hsync_positive:1;
+        u8 vsync_positive:1;
         u8 separate_sync:2;
         u8 stereo:1;
         u8 unknown6:1;
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index b97cdc516a8f..106c3ba50844 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -52,6 +52,7 @@ header-y += const.h
 header-y += cgroupstats.h
 header-y += cramfs_fs.h
 header-y += cycx_cfm.h
+header-y += dcbnl.h
 header-y += dlmconstants.h
 header-y += dlm_device.h
 header-y += dlm_netlink.h
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 08a86d5cdf1b..9a061accd8b8 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -89,6 +89,8 @@ enum {
         ATA_ID_DLF              = 128,
         ATA_ID_CSFO             = 129,
         ATA_ID_CFA_POWER        = 160,
+        ATA_ID_CFA_KEY_MGMT     = 162,
+        ATA_ID_CFA_MODES        = 163,
         ATA_ID_ROT_SPEED        = 217,
         ATA_ID_PIO4             = (1 << 1),
 
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 2aa283ab062b..d8bd43bfdcf5 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -171,8 +171,6 @@ struct bio {
 #define BIO_RW_FAILFAST_TRANSPORT       8
 #define BIO_RW_FAILFAST_DRIVER          9
 
-#define BIO_RW_SYNC     (BIO_RW_SYNCIO | BIO_RW_UNPLUG)
-
 #define bio_rw_flagged(bio, flag)       ((bio)->bi_rw & (1 << (flag)))
 
 /*
@@ -533,7 +531,7 @@ extern void bio_integrity_endio(struct bio *, int);
 extern void bio_integrity_advance(struct bio *, unsigned int);
 extern void bio_integrity_trim(struct bio *, unsigned int, unsigned int);
 extern void bio_integrity_split(struct bio *, struct bio_pair *, int);
-extern int bio_integrity_clone(struct bio *, struct bio *, struct bio_set *);
+extern int bio_integrity_clone(struct bio *, struct bio *, gfp_t, struct bio_set *);
 extern int bioset_integrity_create(struct bio_set *, int);
 extern void bioset_integrity_free(struct bio_set *);
 extern void bio_integrity_init_slab(void);
@@ -544,7 +542,7 @@ extern void bio_integrity_init_slab(void);
 #define bioset_integrity_create(a, b)   (0)
 #define bio_integrity_prep(a)           (0)
 #define bio_integrity_enabled(a)        (0)
-#define bio_integrity_clone(a, b, c)    (0)
+#define bio_integrity_clone(a, b, c,d ) (0)
 #define bioset_integrity_free(a)        do { } while (0)
 #define bio_integrity_free(a, b)        do { } while (0)
 #define bio_integrity_endio(a, b)       do { } while (0)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index dcaa0fd84b02..465d6babc847 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -708,6 +708,8 @@ struct req_iterator {
 };
 
 /* This should not be used directly - use rq_for_each_segment */
+#define for_each_bio(_bio)              \
+        for (; _bio; _bio = _bio->bi_next)
 #define __rq_for_each_bio(_bio, rq)     \
         if ((rq->bio))                  \
                 for (_bio = (rq)->bio; _bio; _bio = _bio->bi_next)
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 25379cba2370..6e915878e88c 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -15,6 +15,7 @@ enum blktrace_cat {
         BLK_TC_WRITE    = 1 << 1,       /* writes */
         BLK_TC_BARRIER  = 1 << 2,       /* barrier */
         BLK_TC_SYNC     = 1 << 3,       /* sync IO */
+        BLK_TC_SYNCIO   = BLK_TC_SYNC,
         BLK_TC_QUEUE    = 1 << 4,       /* queueing/merging */
         BLK_TC_REQUEUE  = 1 << 5,       /* requeueing */
         BLK_TC_ISSUE    = 1 << 6,       /* issue */
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 1514d534deeb..a3ed7cb8ca34 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -52,7 +52,15 @@
 #define __deprecated                    __attribute__((deprecated))
 #define __packed                        __attribute__((packed))
 #define __weak                          __attribute__((weak))
-#define __naked                         __attribute__((naked))
+
+/*
+ * it doesn't make sense on ARM (currently the only user of __naked) to trace
+ * naked functions because then mcount is called without stack and frame pointer
+ * being set up and there is no chance to restore the lr register to the value
+ * before mcount was called.
+ */
+#define __naked                         __attribute__((naked)) notrace
+
 #define __noreturn                      __attribute__((noreturn))
 
 /*
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 384b38d3e8e2..161042746afc 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -234,7 +234,6 @@ struct cpufreq_driver {
         int     (*suspend)      (struct cpufreq_policy *policy, pm_message_t pmsg);
         int     (*resume)       (struct cpufreq_policy *policy);
         struct freq_attr        **attr;
-        bool                    hide_interface;
 };
 
 /* flags */
diff --git a/include/linux/dcbnl.h b/include/linux/dcbnl.h
index b0ef274e0031..7d2e10006188 100644
--- a/include/linux/dcbnl.h
+++ b/include/linux/dcbnl.h
@@ -20,10 +20,12 @@
 #ifndef __LINUX_DCBNL_H__
 #define __LINUX_DCBNL_H__
 
+#include <linux/types.h>
+
 #define DCB_PROTO_VERSION 1
 
 struct dcbmsg {
-        unsigned char      dcb_family;
+        __u8               dcb_family;
         __u8               cmd;
         __u16              dcb_pad;
 };
diff --git a/include/linux/device.h b/include/linux/device.h
index 45e5b1921fbb..47f343c7bdda 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -147,6 +147,8 @@ extern void put_driver(struct device_driver *drv);
 extern struct device_driver *driver_find(const char *name,
                                          struct bus_type *bus);
 extern int driver_probe_done(void);
+extern int wait_for_device_probe(void);
+
 
 /* sysfs interface for exporting driver attributes */
 
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 3e68469c1885..1956c8d46d32 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -97,7 +97,6 @@ typedef struct { DECLARE_BITMAP(bits, DMA_TX_TYPE_END); } dma_cap_mask_t;
 
 /**
  * struct dma_chan_percpu - the per-CPU part of struct dma_chan
- * @refcount: local_t used for open-coded "bigref" counting
  * @memcpy_count: transaction counter
  * @bytes_transferred: byte counter
  */
@@ -114,13 +113,11 @@ struct dma_chan_percpu {
  * @cookie: last cookie value returned to client
  * @chan_id: channel ID for sysfs
  * @dev: class device for sysfs
- * @refcount: kref, used in "bigref" slow-mode
- * @slow_ref: indicates that the DMA channel is free
- * @rcu: the DMA channel's RCU head
  * @device_node: used to add this to the device chan list
  * @local: per-cpu pointer to a struct dma_chan_percpu
  * @client-count: how many clients are using this channel
  * @table_count: number of appearances in the mem-to-mem allocation table
+ * @private: private data for certain client-channel associations
  */
 struct dma_chan {
         struct dma_device *device;
@@ -134,6 +131,7 @@ struct dma_chan {
         struct dma_chan_percpu *local;
         int client_count;
         int table_count;
+        void *private;
 };
 
 /**
@@ -211,8 +209,6 @@ struct dma_async_tx_descriptor {
  * @global_node: list_head for global dma_device_list
  * @cap_mask: one or more dma_capability flags
  * @max_xor: maximum number of xor sources, 0 if no capability
- * @refcount: reference count
- * @done: IO completion struct
  * @dev_id: unique device ID
  * @dev: struct device reference for dma mapping api
  * @device_alloc_chan_resources: allocate resources and return the
@@ -225,6 +221,7 @@ struct dma_async_tx_descriptor {
  * @device_prep_dma_interrupt: prepares an end of chain interrupt operation
  * @device_prep_slave_sg: prepares a slave dma operation
  * @device_terminate_all: terminate all pending operations
+ * @device_is_tx_complete: poll for transaction completion
  * @device_issue_pending: push pending transactions to hardware
  */
 struct dma_device {
diff --git a/include/linux/firmware-map.h b/include/linux/firmware-map.h
index 6e199c8dfacc..cca686b39123 100644
--- a/include/linux/firmware-map.h
+++ b/include/linux/firmware-map.h
@@ -1,7 +1,7 @@
 /*
  * include/linux/firmware-map.h:
  *  Copyright (C) 2008 SUSE LINUX Products GmbH
- *  by Bernhard Walle <bwalle@suse.de>
+ *  by Bernhard Walle <bernhard.walle@gmx.de>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License v2.0 as published by
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 6022f44043f2..92734c0012e6 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -54,24 +54,30 @@ struct inodes_stat_t {
 #define MAY_ACCESS 16
 #define MAY_OPEN 32
 
+/*
+ * flags in file.f_mode.  Note that FMODE_READ and FMODE_WRITE must correspond
+ * to O_WRONLY and O_RDWR via the strange trick in __dentry_open()
+ */
+
 /* file is open for reading */
 #define FMODE_READ              ((__force fmode_t)1)
 /* file is open for writing */
 #define FMODE_WRITE             ((__force fmode_t)2)
 /* file is seekable */
 #define FMODE_LSEEK             ((__force fmode_t)4)
-/* file can be accessed using pread/pwrite */
+/* file can be accessed using pread */
 #define FMODE_PREAD             ((__force fmode_t)8)
-#define FMODE_PWRITE            FMODE_PREAD     /* These go hand in hand */
+/* file can be accessed using pwrite */
+#define FMODE_PWRITE            ((__force fmode_t)16)
 /* File is opened for execution with sys_execve / sys_uselib */
-#define FMODE_EXEC              ((__force fmode_t)16)
+#define FMODE_EXEC              ((__force fmode_t)32)
 /* File is opened with O_NDELAY (only set for block devices) */
-#define FMODE_NDELAY            ((__force fmode_t)32)
+#define FMODE_NDELAY            ((__force fmode_t)64)
 /* File is opened with O_EXCL (only set for block devices) */
-#define FMODE_EXCL              ((__force fmode_t)64)
+#define FMODE_EXCL              ((__force fmode_t)128)
 /* File is opened using open(.., 3, ..) and is writeable only for ioctls
    (specialy hack for floppy.c) */
-#define FMODE_WRITE_IOCTL       ((__force fmode_t)128)
+#define FMODE_WRITE_IOCTL       ((__force fmode_t)256)
 
 /*
  * Don't update ctime and mtime.
@@ -87,10 +93,10 @@ struct inodes_stat_t {
 #define WRITE 1
 #define READA 2         /* read-ahead  - don't block if no resources */
 #define SWRITE 3        /* for ll_rw_block() - wait for buffer lock */
-#define READ_SYNC       (READ | (1 << BIO_RW_SYNC))
+#define READ_SYNC       (READ | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG))
 #define READ_META       (READ | (1 << BIO_RW_META))
-#define WRITE_SYNC      (WRITE | (1 << BIO_RW_SYNC))
-#define SWRITE_SYNC     (SWRITE | (1 << BIO_RW_SYNC))
+#define WRITE_SYNC      (WRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG))
+#define SWRITE_SYNC     (SWRITE | (1 << BIO_RW_SYNCIO) | (1 << BIO_RW_UNPLUG))
 #define WRITE_BARRIER   (WRITE | (1 << BIO_RW_BARRIER))
 #define DISCARD_NOBARRIER (1 << BIO_RW_DISCARD)
 #define DISCARD_BARRIER ((1 << BIO_RW_DISCARD) | (1 << BIO_RW_BARRIER))
diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h
index c37e9241fae7..ed21bd3dbd25 100644
--- a/include/linux/hdreg.h
+++ b/include/linux/hdreg.h
@@ -511,7 +511,6 @@ struct hd_driveid {
         unsigned short  words69_70[2];  /* reserved words 69-70
                                          * future command overlap and queuing
                                          */
-        /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
         unsigned short  words71_74[4];  /* reserved words 71-74
                                          * for IDENTIFY PACKET DEVICE command
                                          */
diff --git a/include/linux/i2c-dev.h b/include/linux/i2c-dev.h
index 311315b56b61..fd53bfd26470 100644
--- a/include/linux/i2c-dev.h
+++ b/include/linux/i2c-dev.h
@@ -33,7 +33,7 @@
  */
 #define I2C_RETRIES     0x0701  /* number of times a device address should
                                    be polled when not acknowledging */
-#define I2C_TIMEOUT     0x0702  /* set timeout in jiffies - call with int */
+#define I2C_TIMEOUT     0x0702  /* set timeout in units of 10 ms */
 
 /* NOTE: Slave address is 7 or 10 bits, but 10-bit addresses
  * are NOT supported! (due to code brokenness)
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index fcfbfea3af72..c86c3b07604c 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -361,7 +361,7 @@ struct i2c_adapter {
         struct mutex bus_lock;
         struct mutex clist_lock;
 
-        int timeout;
+        int timeout;                    /* in jiffies */
         int retries;
         struct device dev;              /* the adapter device */
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 194da5a4b0d6..25087aead657 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -663,7 +663,7 @@ typedef struct ide_drive_s ide_drive_t;
 #define to_ide_device(dev)              container_of(dev, ide_drive_t, gendev)
 
 #define to_ide_drv(obj, cont_type)      \
-        container_of(obj, struct cont_type, kref)
+        container_of(obj, struct cont_type, dev)
 
 #define ide_drv_g(disk, cont_type)      \
         container_of((disk)->private_data, struct cont_type, driver)
@@ -797,6 +797,7 @@ typedef struct hwif_s {
         struct scatterlist *sg_table;
         int sg_max_nents;               /* Maximum number of entries in it */
         int sg_nents;                   /* Current number of entries in it */
+        int orig_sg_nents;
         int sg_dma_direction;           /* dma transfer direction */
 
         /* data phase of the active command (currently only valid for PIO/DMA) */
@@ -866,6 +867,7 @@ struct ide_host {
         unsigned int    n_ports;
         struct device   *dev[2];
         unsigned int    (*init_chipset)(struct pci_dev *);
+        irq_handler_t   irq_handler;
         unsigned long   host_flags;
         void            *host_priv;
         ide_hwif_t      *cur_port;      /* for hosts requiring serialization */
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index f8ff918c208f..e1ff5b14310e 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -210,6 +210,7 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)
 
         /* Move the mac addresses to the beginning of the new header. */
         memmove(skb->data, skb->data + VLAN_HLEN, 2 * VLAN_ETH_ALEN);
+        skb->mac_header -= VLAN_HLEN;
 
         /* first, the ethernet type */
         veth->h_vlan_proto = htons(ETH_P_8021Q);
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index c4f6c101dbcd..d2e3cbfba14f 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -194,6 +194,7 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
 /* FSTS_REG */
 #define DMA_FSTS_PPF ((u32)2)
 #define DMA_FSTS_PFO ((u32)1)
+#define DMA_FSTS_IQE (1 << 4)
 #define dma_fsts_fault_record_index(s) (((s) >> 8) & 0xff)
 
 /* FRCD_REG, 32 bits access */
@@ -328,7 +329,7 @@ extern int qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
                           unsigned int size_order, u64 type,
                           int non_present_entry_flush);
 
-extern void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);
+extern int qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);
 
 extern void *intel_alloc_coherent(struct device *, size_t, dma_addr_t *, gfp_t);
 extern void intel_free_coherent(struct device *, size_t, void *, dma_addr_t);
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 468e3a25a4a1..91658d076598 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -61,6 +61,17 @@
 
 typedef irqreturn_t (*irq_handler_t)(int, void *);
 
+/**
+ * struct irqaction - per interrupt action descriptor
+ * @handler:    interrupt handler function
+ * @flags:      flags (see IRQF_* above)
+ * @mask:       no comment as it is useless and about to be removed
+ * @name:       name of the device
+ * @dev_id:     cookie to identify the device
+ * @next:       pointer to the next irqaction for shared interrupts
+ * @irq:        interrupt number
+ * @dir:        pointer to the proc/irq/NN/name entry
+ */
 struct irqaction {
         irq_handler_t handler;
         unsigned long flags;
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h
index 82df31726a54..0adb0f91568c 100644
--- a/include/linux/io-mapping.h
+++ b/include/linux/io-mapping.h
@@ -30,11 +30,14 @@
  * See Documentation/io_mapping.txt
  */
 
-/* this struct isn't actually defined anywhere */
-struct io_mapping;
-
 #ifdef CONFIG_HAVE_ATOMIC_IOMAP
 
+struct io_mapping {
+        resource_size_t base;
+        unsigned long size;
+        pgprot_t prot;
+};
+
 /*
  * For small address space machines, mapping large objects
  * into the kernel virtual space isn't practical. Where
@@ -43,23 +46,40 @@ struct io_mapping;
  */
 
 static inline struct io_mapping *
-io_mapping_create_wc(unsigned long base, unsigned long size)
+io_mapping_create_wc(resource_size_t base, unsigned long size)
 {
-        return (struct io_mapping *) base;
+        struct io_mapping *iomap;
+
+        if (!is_io_mapping_possible(base, size))
+                return NULL;
+
+        iomap = kmalloc(sizeof(*iomap), GFP_KERNEL);
+        if (!iomap)
+                return NULL;
+
+        iomap->base = base;
+        iomap->size = size;
+        iomap->prot = pgprot_writecombine(__pgprot(__PAGE_KERNEL));
+        return iomap;
 }
 
 static inline void
 io_mapping_free(struct io_mapping *mapping)
 {
+        kfree(mapping);
 }
 
 /* Atomic map/unmap */
 static inline void *
 io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset)
 {
-        offset += (unsigned long) mapping;
-        return iomap_atomic_prot_pfn(offset >> PAGE_SHIFT, KM_USER0,
-                                     __pgprot(__PAGE_KERNEL_WC));
+        resource_size_t phys_addr;
+        unsigned long pfn;
+
+        BUG_ON(offset >= mapping->size);
+        phys_addr = mapping->base + offset;
+        pfn = (unsigned long) (phys_addr >> PAGE_SHIFT);
+        return iomap_atomic_prot_pfn(pfn, KM_USER0, mapping->prot);
 }
 
 static inline void
@@ -71,8 +91,12 @@ io_mapping_unmap_atomic(void *vaddr)
 static inline void *
 io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset)
 {
-        offset += (unsigned long) mapping;
-        return ioremap_wc(offset, PAGE_SIZE);
+        resource_size_t phys_addr;
+
+        BUG_ON(offset >= mapping->size);
+        phys_addr = mapping->base + offset;
+
+        return ioremap_wc(phys_addr, PAGE_SIZE);
 }
 
 static inline void
@@ -83,9 +107,12 @@ io_mapping_unmap(void *vaddr)
 
 #else
 
+/* this struct isn't actually defined anywhere */
+struct io_mapping;
+
 /* Create the io_mapping object*/
 static inline struct io_mapping *
-io_mapping_create_wc(unsigned long base, unsigned long size)
+io_mapping_create_wc(resource_size_t base, unsigned long size)
 {
         return (struct io_mapping *) ioremap_wc(base, size);
 }
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 48901e9a33b9..6db939a575bd 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -218,7 +218,6 @@ irq_remap_to_desc(unsigned int irq, struct irq_desc *desc)
  * Migration helpers for obsolete names, they will go away:
  */
 #define hw_interrupt_type       irq_chip
-typedef struct irq_chip         hw_irq_controller;
 #define no_irq_type             no_irq_chip
 typedef struct irq_desc         irq_desc_t;
 
@@ -228,6 +227,7 @@ typedef struct irq_desc		irq_desc_t;
 #include <asm/hw_irq.h>
 
 extern int setup_irq(unsigned int irq, struct irqaction *new);
+extern void remove_irq(unsigned int irq, struct irqaction *act);
 
 #ifdef CONFIG_GENERIC_HARDIRQS
 
@@ -272,7 +272,7 @@ static inline int irq_balancing_disabled(unsigned int irq)
 }
 
 /* Handle irq action chains: */
-extern int handle_IRQ_event(unsigned int irq, struct irqaction *action);
+extern irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action);
 
 /*
  * Built-in IRQ handlers for various IRQ types,
@@ -317,7 +317,7 @@ static inline void generic_handle_irq(unsigned int irq)
 
 /* Handling of unhandled and spurious interrupts: */
 extern void note_interrupt(unsigned int irq, struct irq_desc *desc,
-                           int action_ret);
+                           irqreturn_t action_ret);
 
 /* Resending of interrupts :*/
 void check_irq_resend(struct irq_desc *desc, unsigned int irq);
diff --git a/include/linux/irqreturn.h b/include/linux/irqreturn.h
index 881883c2009d..c5584ca5b8c9 100644
--- a/include/linux/irqreturn.h
+++ b/include/linux/irqreturn.h
@@ -1,25 +1,17 @@
-/* irqreturn.h */
 #ifndef _LINUX_IRQRETURN_H
 #define _LINUX_IRQRETURN_H
 
-/*
- * For 2.4.x compatibility, 2.4.x can use
- *
- *      typedef void irqreturn_t;
- *      #define IRQ_NONE
- *      #define IRQ_HANDLED
- *      #define IRQ_RETVAL(x)
- *
- * To mix old-style and new-style irq handler returns.
- *
- * IRQ_NONE means we didn't handle it.
- * IRQ_HANDLED means that we did have a valid interrupt and handled it.
- * IRQ_RETVAL(x) selects on the two depending on x being non-zero (for handled)
+/**
+ * enum irqreturn
+ * @IRQ_NONE            interrupt was not from this device
+ * @IRQ_HANDLED         interrupt was handled by this device
  */
-typedef int irqreturn_t;
+enum irqreturn {
+        IRQ_NONE,
+        IRQ_HANDLED,
+};
 
-#define IRQ_NONE        (0)
-#define IRQ_HANDLED     (1)
-#define IRQ_RETVAL(x)   ((x) != 0)
+typedef enum irqreturn irqreturn_t;
+#define IRQ_RETVAL(x)   ((x) != IRQ_NONE)
 
 #endif
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index b28b37eb11c6..4d248b3f1323 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -1150,7 +1150,8 @@ extern int	   jbd2_journal_clear_err  (journal_t *);
 extern int         jbd2_journal_bmap(journal_t *, unsigned long, unsigned long long *);
 extern int         jbd2_journal_force_commit(journal_t *);
 extern int         jbd2_journal_file_inode(handle_t *handle, struct jbd2_inode *inode);
-extern int         jbd2_journal_begin_ordered_truncate(struct jbd2_inode *inode, loff_t new_size);
+extern int         jbd2_journal_begin_ordered_truncate(journal_t *journal,
+                                struct jbd2_inode *inode, loff_t new_size);
 extern void        jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode);
 extern void        jbd2_journal_release_jbd_inode(journal_t *journal, struct jbd2_inode *jinode);
 
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 5715f1907601..0424326f1679 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -58,10 +58,10 @@ struct kvm_irqchip {
         __u32 pad;
         union {
                 char dummy[512];  /* reserving space */
-#ifdef CONFIG_X86
+#ifdef __KVM_HAVE_PIT
                 struct kvm_pic_state pic;
 #endif
-#if defined(CONFIG_X86) || defined(CONFIG_IA64)
+#ifdef __KVM_HAVE_IOAPIC
                 struct kvm_ioapic_state ioapic;
 #endif
         } chip;
@@ -384,16 +384,16 @@ struct kvm_trace_rec {
 #define KVM_CAP_MP_STATE 14
 #define KVM_CAP_COALESCED_MMIO 15
 #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
-#if defined(CONFIG_X86)||defined(CONFIG_IA64)
+#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 #define KVM_CAP_DEVICE_ASSIGNMENT 17
 #endif
 #define KVM_CAP_IOMMU 18
-#if defined(CONFIG_X86)
+#ifdef __KVM_HAVE_MSI
 #define KVM_CAP_DEVICE_MSI 20
 #endif
 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
-#if defined(CONFIG_X86)
+#ifdef __KVM_HAVE_USER_NMI
 #define KVM_CAP_USER_NMI 22
 #endif
 
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ec49d0be7f52..bf6f703642fc 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -285,6 +285,7 @@ void kvm_free_physmem(struct kvm *kvm);
 struct  kvm *kvm_arch_create_vm(void);
 void kvm_arch_destroy_vm(struct kvm *kvm);
 void kvm_free_all_assigned_devices(struct kvm *kvm);
+void kvm_arch_sync_events(struct kvm *kvm);
 
 int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
 int kvm_cpu_has_interrupt(struct kvm_vcpu *v);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 5d87bc09a1f5..dc18b87ed722 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -275,7 +275,7 @@ enum {
          * advised to wait only for the following duration before
          * doing SRST.
          */
-        ATA_TMOUT_PMP_SRST_WAIT = 1000,
+        ATA_TMOUT_PMP_SRST_WAIT = 5000,
 
         /* ATA bus states */
         BUS_UNKNOWN             = 0,
@@ -530,6 +530,7 @@ struct ata_queued_cmd {
         unsigned long           flags;          /* ATA_QCFLAG_xxx */
         unsigned int            tag;
         unsigned int            n_elem;
+        unsigned int            orig_n_elem;
 
         int                     dma_dir;
 
@@ -750,7 +751,8 @@ struct ata_port {
         acpi_handle             acpi_handle;
         struct ata_acpi_gtm     __acpi_init_gtm; /* use ata_acpi_init_gtm() */
 #endif
-        u8                      sector_buf[ATA_SECT_SIZE]; /* owned by EH */
+        /* owned by EH */
+        u8                      sector_buf[ATA_SECT_SIZE] ____cacheline_aligned;
 };
 
 /* The following initializer overrides a method to NULL whether one of
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index aa6fe7026de7..51855dfd8adb 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -346,6 +346,7 @@ static inline int __nlm_cmp_addr4(const struct sockaddr *sap1,
         return sin1->sin_addr.s_addr == sin2->sin_addr.s_addr;
 }
 
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 static inline int __nlm_cmp_addr6(const struct sockaddr *sap1,
                                   const struct sockaddr *sap2)
 {
@@ -353,6 +354,13 @@ static inline int __nlm_cmp_addr6(const struct sockaddr *sap1,
         const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sap2;
         return ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr);
 }
+#else   /* !(CONFIG_IPV6 || CONFIG_IPV6_MODULE) */
+static inline int __nlm_cmp_addr6(const struct sockaddr *sap1,
+                                  const struct sockaddr *sap2)
+{
+        return 0;
+}
+#endif  /* !(CONFIG_IPV6 || CONFIG_IPV6_MODULE) */
 
 /*
  * Compare two host addresses
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 323561582c10..065cdf8c09fb 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1041,10 +1041,23 @@ extern void free_bootmem_with_active_regions(int nid,
 typedef int (*work_fn_t)(unsigned long, unsigned long, void *);
 extern void work_with_active_regions(int nid, work_fn_t work_fn, void *data);
 extern void sparse_memory_present_with_active_regions(int nid);
-#ifndef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
-extern int early_pfn_to_nid(unsigned long pfn);
-#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */
 #endif /* CONFIG_ARCH_POPULATES_NODE_MAP */
+
+#if !defined(CONFIG_ARCH_POPULATES_NODE_MAP) && \
+    !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID)
+static inline int __early_pfn_to_nid(unsigned long pfn)
+{
+        return 0;
+}
+#else
+/* please see mm/page_alloc.c */
+extern int __meminit early_pfn_to_nid(unsigned long pfn);
+#ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
+/* there is a per-arch backend function. */
+extern int __meminit __early_pfn_to_nid(unsigned long pfn);
+#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */
+#endif
+
 extern void set_dma_reserve(unsigned long new_dma_reserve);
 extern void memmap_init_zone(unsigned long, int, unsigned long,
                                 unsigned long, enum memmap_context);
@@ -1159,6 +1172,7 @@ extern int filemap_fault(struct vm_area_struct *, struct vm_fault *);
 
 /* mm/page-writeback.c */
 int write_one_page(struct page *page, int wait);
+void task_dirty_inc(struct task_struct *tsk);
 
 /* readahead.c */
 #define VM_MAX_READAHEAD        128     /* kbytes */
@@ -1304,5 +1318,6 @@ void vmemmap_populate_print_last(void);
 
 extern void *alloc_locked_buffer(size_t size);
 extern void free_locked_buffer(void *buffer, size_t size);
+extern void release_locked_buffer(void *buffer, size_t size);
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 92915e81443f..d84feb7bdbf0 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -276,4 +276,7 @@ struct mm_struct {
 #endif
 };
 
+/* Future-safe accessor for struct mm_struct's cpu_vm_mask. */
+#define mm_cpumask(mm) (&(mm)->cpu_vm_mask)
+
 #endif /* _LINUX_MM_TYPES_H */
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 09c14e213b63..1aca6cebbb78 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1071,7 +1071,7 @@ void sparse_init(void);
 #endif /* CONFIG_SPARSEMEM */
 
 #ifdef CONFIG_NODES_SPAN_OTHER_NODES
-#define early_pfn_in_nid(pfn, nid)      (early_pfn_to_nid(pfn) == (nid))
+bool early_pfn_in_nid(unsigned long pfn, int nid);
 #else
 #define early_pfn_in_nid(pfn, nid)      (1)
 #endif
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ec54785d34f9..659366734f3f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1079,6 +1079,7 @@ extern void		synchronize_net(void);
 extern int              register_netdevice_notifier(struct notifier_block *nb);
 extern int              unregister_netdevice_notifier(struct notifier_block *nb);
 extern int              init_dummy_netdev(struct net_device *dev);
+extern void             netdev_resync_ops(struct net_device *dev);
 
 extern int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
 extern struct net_device        *dev_get_by_index(struct net *net, int ifindex);
diff --git a/include/linux/netfilter/xt_NFLOG.h b/include/linux/netfilter/xt_NFLOG.h
index cdcd0ed58f7a..4b36aeb46a10 100644
--- a/include/linux/netfilter/xt_NFLOG.h
+++ b/include/linux/netfilter/xt_NFLOG.h
@@ -2,7 +2,7 @@
 #define _XT_NFLOG_TARGET
 
 #define XT_NFLOG_DEFAULT_GROUP          0x1
-#define XT_NFLOG_DEFAULT_THRESHOLD      1
+#define XT_NFLOG_DEFAULT_THRESHOLD      0
 
 #define XT_NFLOG_MASK                   0x0
 
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index a550b528319f..2e5f00066afd 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -406,6 +406,8 @@ struct nfs3_setaclargs {
         int                     mask;
         struct posix_acl *      acl_access;
         struct posix_acl *      acl_default;
+        size_t                  len;
+        unsigned int            npages;
         struct page **          pages;
 };
 
diff --git a/include/linux/nfsacl.h b/include/linux/nfsacl.h
index 54487a99beb8..43011b69297c 100644
--- a/include/linux/nfsacl.h
+++ b/include/linux/nfsacl.h
@@ -37,6 +37,9 @@
 #define NFSACL_MAXPAGES         ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \
                                  >> PAGE_SHIFT)
 
+#define NFS_ACL_MAX_ENTRIES_INLINE      (5)
+#define NFS_ACL_INLINE_BUFSIZE  ((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2)
+
 static inline unsigned int
 nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default)
 {
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 52a9fe08451c..aca8c458aa8a 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1312,6 +1312,7 @@
 #define PCI_DEVICE_ID_VIA_VT3351        0x0351
 #define PCI_DEVICE_ID_VIA_VT3364        0x0364
 #define PCI_DEVICE_ID_VIA_8371_0        0x0391
+#define PCI_DEVICE_ID_VIA_6415          0x0415
 #define PCI_DEVICE_ID_VIA_8501_0        0x0501
 #define PCI_DEVICE_ID_VIA_82C561        0x0561
 #define PCI_DEVICE_ID_VIA_82C586_1      0x0571
@@ -1444,6 +1445,7 @@
 #define PCI_DEVICE_ID_DIGI_DF_M_E       0x0071
 #define PCI_DEVICE_ID_DIGI_DF_M_IOM2_A  0x0072
 #define PCI_DEVICE_ID_DIGI_DF_M_A       0x0073
+#define PCI_DEVICE_ID_DIGI_NEO_8        0x00B1
 #define PCI_DEVICE_ID_NEO_2DB9          0x00C8
 #define PCI_DEVICE_ID_NEO_2DB9PRI       0x00C9
 #define PCI_DEVICE_ID_NEO_2RJ45         0x00CA
@@ -2321,6 +2323,9 @@
 #define PCI_DEVICE_ID_INTEL_82378       0x0484
 #define PCI_DEVICE_ID_INTEL_I960        0x0960
 #define PCI_DEVICE_ID_INTEL_I960RM      0x0962
+#define PCI_DEVICE_ID_INTEL_8257X_SOL   0x1062
+#define PCI_DEVICE_ID_INTEL_82573E_SOL  0x1085
+#define PCI_DEVICE_ID_INTEL_82573L_SOL  0x108F
 #define PCI_DEVICE_ID_INTEL_82815_MC    0x1130
 #define PCI_DEVICE_ID_INTEL_82815_CGC   0x1132
 #define PCI_DEVICE_ID_INTEL_82092AA_0   0x1221
diff --git a/include/linux/pm.h b/include/linux/pm.h
index de2e0a8f6728..24ba5f67b3a3 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -381,10 +381,12 @@ struct dev_pm_info {
 
 #ifdef CONFIG_PM_SLEEP
 extern void device_pm_lock(void);
+extern int sysdev_resume(void);
 extern void device_power_up(pm_message_t state);
 extern void device_resume(pm_message_t state);
 
 extern void device_pm_unlock(void);
+extern int sysdev_suspend(pm_message_t state);
 extern int device_power_down(pm_message_t state);
 extern int device_suspend(pm_message_t state);
 extern int device_prepare_suspend(pm_message_t state);
diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index f3f697df1d71..80044a4f3ab9 100644
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -181,4 +181,10 @@ extern long rcu_batches_completed_bh(void);
 #define rcu_enter_nohz()        do { } while (0)
 #define rcu_exit_nohz()         do { } while (0)
 
+/* A context switch is a grace period for rcuclassic. */
+static inline int rcu_blocking_is_gp(void)
+{
+        return num_online_cpus() == 1;
+}
+
 #endif /* __LINUX_RCUCLASSIC_H */
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 921340a7b71c..528343e6da51 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -52,6 +52,9 @@ struct rcu_head {
         void (*func)(struct rcu_head *head);
 };
 
+/* Internal to kernel, but needed by rcupreempt.h. */
+extern int rcu_scheduler_active;
+
 #if defined(CONFIG_CLASSIC_RCU)
 #include <linux/rcuclassic.h>
 #elif defined(CONFIG_TREE_RCU)
@@ -265,6 +268,7 @@ extern void rcu_barrier_sched(void);
 
 /* Internal to kernel */
 extern void rcu_init(void);
+extern void rcu_scheduler_starting(void);
 extern int rcu_needs_cpu(int cpu);
 
 #endif /* __LINUX_RCUPDATE_H */
diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h
index 3e05c09b54a2..74304b4538d8 100644
--- a/include/linux/rcupreempt.h
+++ b/include/linux/rcupreempt.h
@@ -142,4 +142,19 @@ static inline void rcu_exit_nohz(void)
 #define rcu_exit_nohz()         do { } while (0)
 #endif /* CONFIG_NO_HZ */
 
+/*
+ * A context switch is a grace period for rcupreempt synchronize_rcu()
+ * only during early boot, before the scheduler has been initialized.
+ * So, how the heck do we get a context switch?  Well, if the caller
+ * invokes synchronize_rcu(), they are willing to accept a context
+ * switch, so we simply pretend that one happened.
+ *
+ * After boot, there might be a blocked or preempted task in an RCU
+ * read-side critical section, so we cannot then take the fastpath.
+ */
+static inline int rcu_blocking_is_gp(void)
+{
+        return num_online_cpus() == 1 && !rcu_scheduler_active;
+}
+
 #endif /* __LINUX_RCUPREEMPT_H */
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index d4368b7975c3..a722fb67bb2d 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -326,4 +326,10 @@ static inline void rcu_exit_nohz(void)
 }
 #endif /* CONFIG_NO_HZ */
 
+/* A context switch is a grace period for rcutree. */
+static inline int rcu_blocking_is_gp(void)
+{
+        return num_online_cpus() == 1;
+}
+
 #endif /* __LINUX_RCUTREE_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8981e52c714f..011db2f4c94c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1419,6 +1419,9 @@ struct task_struct {
 #endif
 };
 
+/* Future-safe accessor for struct task_struct's cpus_allowed. */
+#define tsk_cpumask(tsk) (&(tsk)->cpus_allowed)
+
 /*
  * Priority of a process goes from 0..MAX_PRIO-1, valid RT
  * priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH
@@ -2291,9 +2294,13 @@ extern long sched_group_rt_runtime(struct task_group *tg);
 extern int sched_group_set_rt_period(struct task_group *tg,
                                       long rt_period_us);
 extern long sched_group_rt_period(struct task_group *tg);
+extern int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk);
 #endif
 #endif
 
+extern int task_can_switch_user(struct user_struct *up,
+                                        struct task_struct *tsk);
+
 #ifdef CONFIG_TASK_XACCT
 static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
 {
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index 40ea5058c2ec..f616f31576d7 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -19,6 +19,7 @@ struct seq_file {
         size_t from;
         size_t count;
         loff_t index;
+        loff_t read_pos;
         u64 version;
         struct mutex lock;
         const struct seq_operations *op;
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 90bbbf0b1161..df9245c7bd3b 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -296,6 +296,7 @@ struct uart_port {
 #define UPF_HARDPPS_CD          ((__force upf_t) (1 << 11))
 #define UPF_LOW_LATENCY         ((__force upf_t) (1 << 13))
 #define UPF_BUGGY_UART          ((__force upf_t) (1 << 14))
+#define UPF_NO_TXEN_TEST        ((__force upf_t) (1 << 15))
 #define UPF_MAGIC_MULTIPLIER    ((__force upf_t) (1 << 16))
 #define UPF_CONS_FLOW           ((__force upf_t) (1 << 23))
 #define UPF_SHARE_IRQ           ((__force upf_t) (1 << 24))
diff --git a/include/linux/serio.h b/include/linux/serio.h
index 1bcb357a01a1..e0417e4d3f15 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -212,7 +212,7 @@ static inline void serio_unpin_driver(struct serio *serio)
 #define SERIO_FUJITSU   0x35
 #define SERIO_ZHENHUA   0x36
 #define SERIO_INEXIO    0x37
-#define SERIO_TOUCHIT213        0x37
+#define SERIO_TOUCHIT213        0x38
 #define SERIO_W8001     0x39
 
 #endif
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index cf2cb50f77d1..9dcf956ad18a 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -416,15 +416,6 @@ extern void	      skb_over_panic(struct sk_buff *skb, int len,
                                      void *here);
 extern void           skb_under_panic(struct sk_buff *skb, int len,
                                       void *here);
-extern void           skb_truesize_bug(struct sk_buff *skb);
-
-static inline void skb_truesize_check(struct sk_buff *skb)
-{
-        int len = sizeof(struct sk_buff) + skb->len;
-
-        if (unlikely((int)skb->truesize < len))
-                skb_truesize_bug(skb);
-}
 
 extern int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
                         int getfrag(void *from, char *to, int offset,
diff --git a/include/linux/slab.h b/include/linux/slab.h
index f96d13c281e8..24c5602bee99 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -127,6 +127,7 @@ int kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr);
 void * __must_check __krealloc(const void *, size_t, gfp_t);
 void * __must_check krealloc(const void *, size_t, gfp_t);
 void kfree(const void *);
+void kzfree(const void *);
 size_t ksize(const void *);
 
 /*
diff --git a/include/linux/soundcard.h b/include/linux/soundcard.h
index 523d069c862c..1904afedb82f 100644
--- a/include/linux/soundcard.h
+++ b/include/linux/soundcard.h
@@ -1045,50 +1045,36 @@ typedef struct mixer_vol_table {
  */
 #define LOCL_STARTAUDIO         1
 
-#if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) 
+#if !defined(__KERNEL__) || defined(USE_SEQ_MACROS)
 /*
  *      Some convenience macros to simplify programming of the
  *      /dev/sequencer interface
  *
- *      These macros define the API which should be used when possible.
+ *      This is a legacy interface for applications written against
+ *      the OSSlib-3.8 style interface. It is no longer possible
+ *      to actually link against OSSlib with this header, but we
+ *      still provide these macros for programs using them.
+ *
+ *      If you want to use OSSlib, it is recommended that you get
+ *      the GPL version of OSS-4.x and build against that version
+ *      of the header.
+ *
+ *      We redefine the extern keyword so that make headers_check
+ *      does not complain about SEQ_USE_EXTBUF.
  */
 #define SEQ_DECLAREBUF()                SEQ_USE_EXTBUF()
 
 void seqbuf_dump(void); /* This function must be provided by programs */
 
-extern int OSS_init(int seqfd, int buflen);
-extern void OSS_seqbuf_dump(int fd, unsigned char *buf, int buflen);
-extern void OSS_seq_advbuf(int len, int fd, unsigned char *buf, int buflen);
-extern void OSS_seq_needbuf(int len, int fd, unsigned char *buf, int buflen);
-extern void OSS_patch_caching(int dev, int chn, int patch,
-                              int fd, unsigned char *buf, int buflen);
-extern void OSS_drum_caching(int dev, int chn, int patch,
-                              int fd, unsigned char *buf, int buflen);
-extern void OSS_write_patch(int fd, unsigned char *buf, int len);
-extern int OSS_write_patch2(int fd, unsigned char *buf, int len);
-
 #define SEQ_PM_DEFINES int __foo_bar___
-#ifdef OSSLIB
-#  define SEQ_USE_EXTBUF() \
-                extern unsigned char *_seqbuf; \
-                extern int _seqbuflen;extern int _seqbufptr
-#  define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len
-#  define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen)
-#  define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen)
-#  define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen)
-
-#  define SEQ_LOAD_GMINSTR(dev, instr) \
-                OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen)
-#  define SEQ_LOAD_GMDRUM(dev, drum) \
-                OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen)
-#else /* !OSSLIB */
-
-#  define SEQ_LOAD_GMINSTR(dev, instr)
-#  define SEQ_LOAD_GMDRUM(dev, drum)
-
-#  define SEQ_USE_EXTBUF() \
-                extern unsigned char _seqbuf[]; \
-                extern int _seqbuflen;extern int _seqbufptr
+
+#define SEQ_LOAD_GMINSTR(dev, instr)
+#define SEQ_LOAD_GMDRUM(dev, drum)
+
+#define _SEQ_EXTERN extern
+#define SEQ_USE_EXTBUF() \
+                _SEQ_EXTERN unsigned char _seqbuf[]; \
+                _SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr
 
 #ifndef USE_SIMPLE_MACROS
 /* Sample seqbuf_dump() implementation:
@@ -1131,7 +1117,6 @@ extern int OSS_write_patch2(int fd, unsigned char *buf, int len);
  */
 #define _SEQ_NEEDBUF(len)       /* empty */
 #endif
-#endif /* !OSSLIB */
 
 #define SEQ_VOLUME_MODE(dev, mode)      {_SEQ_NEEDBUF(8);\
                                         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
@@ -1215,14 +1200,8 @@ extern int OSS_write_patch2(int fd, unsigned char *buf, int len);
                 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
 
 #define SEQ_SET_PATCH SEQ_PGM_CHANGE
-#ifdef OSSLIB
-#   define SEQ_PGM_CHANGE(dev, chn, patch) \
-                {OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \
-                 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);}
-#else
-#   define SEQ_PGM_CHANGE(dev, chn, patch) \
+#define SEQ_PGM_CHANGE(dev, chn, patch) \
                 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
-#endif
 
 #define SEQ_CONTROL(dev, chn, controller, value) \
                 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
@@ -1300,19 +1279,12 @@ extern int OSS_write_patch2(int fd, unsigned char *buf, int len);
 /*
  * Patch loading.
  */
-#ifdef OSSLIB
-#   define SEQ_WRPATCH(patchx, len) \
-                OSS_write_patch(seqfd, (char*)(patchx), len)
-#   define SEQ_WRPATCH2(patchx, len) \
-                OSS_write_patch2(seqfd, (char*)(patchx), len)
-#else
-#   define SEQ_WRPATCH(patchx, len) \
+#define SEQ_WRPATCH(patchx, len) \
                 {if (_seqbufptr) SEQ_DUMPBUF();\
                  if (write(seqfd, (char*)(patchx), len)==-1) \
                     perror("Write patch: /dev/sequencer");}
-#   define SEQ_WRPATCH2(patchx, len) \
+#define SEQ_WRPATCH2(patchx, len) \
                 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
-#endif
 
 #endif
 #endif
diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h
index bf8de281b4ed..eed4254bd503 100644
--- a/include/linux/spi/spi_bitbang.h
+++ b/include/linux/spi/spi_bitbang.h
@@ -83,6 +83,13 @@ extern int spi_bitbang_stop(struct spi_bitbang *spi);
  *  int getmiso(struct spi_device *);
  *  void spidelay(unsigned);
  *
+ * setsck()'s is_on parameter is a zero/nonzero boolean.
+ *
+ * setmosi()'s is_on parameter is a zero/nonzero boolean.
+ *
+ * getmiso() is required to return 0 or 1 only. Any other value is invalid
+ * and will result in improper operation.
+ *
  * A non-inlined routine would call bitbang_txrx_*() routines.  The
  * main loop could easily compile down to a handful of instructions,
  * especially if the delay is a NOP (to run at peak speed).
diff --git a/include/linux/timerfd.h b/include/linux/timerfd.h
index 86cb0501d3e2..2d0792983f8c 100644
--- a/include/linux/timerfd.h
+++ b/include/linux/timerfd.h
@@ -11,13 +11,21 @@
 /* For O_CLOEXEC and O_NONBLOCK */
 #include <linux/fcntl.h>
 
-/* Flags for timerfd_settime.  */
+/*
+ * CAREFUL: Check include/asm-generic/fcntl.h when defining
+ * new flags, since they might collide with O_* ones. We want
+ * to re-use O_* flags that couldn't possibly have a meaning
+ * from eventfd, in order to leave a free define-space for
+ * shared O_* flags.
+ */
 #define TFD_TIMER_ABSTIME (1 << 0)
-
-/* Flags for timerfd_create.  */
 #define TFD_CLOEXEC O_CLOEXEC
 #define TFD_NONBLOCK O_NONBLOCK
 
+#define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK)
+/* Flags for timerfd_create.  */
+#define TFD_CREATE_FLAGS TFD_SHARED_FCNTL_FLAGS
+/* Flags for timerfd_settime.  */
+#define TFD_SETTIME_FLAGS TFD_TIMER_ABSTIME
 
 #endif /* _LINUX_TIMERFD_H */
-
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index 315bcd375224..cc4f45361dbb 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -13,6 +13,7 @@ struct user_namespace {
         struct kref             kref;
         struct hlist_head       uidhash_table[UIDHASH_SZ];
         struct user_struct      *creator;
+        struct work_struct      destroyer;
 };
 
 extern struct user_namespace init_user_ns;
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 506e7620a986..9c0890c7a06a 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -84,6 +84,10 @@ extern struct vm_struct *get_vm_area_caller(unsigned long size,
                                         unsigned long flags, void *caller);
 extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
                                         unsigned long start, unsigned long end);
+extern struct vm_struct *__get_vm_area_caller(unsigned long size,
+                                        unsigned long flags,
+                                        unsigned long start, unsigned long end,
+                                        void *caller);
 extern struct vm_struct *get_vm_area_node(unsigned long size,
                                           unsigned long flags, int node,
                                           gfp_t gfp_mask);
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 6fc13d905c5f..ded434b032a4 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -109,11 +109,6 @@ extern struct list_head net_namespace_list;
 #ifdef CONFIG_NET_NS
 extern void __put_net(struct net *net);
 
-static inline int net_alive(struct net *net)
-{
-        return net && atomic_read(&net->count);
-}
-
 static inline struct net *get_net(struct net *net)
 {
         atomic_inc(&net->count);
@@ -145,11 +140,6 @@ int net_eq(const struct net *net1, const struct net *net2)
 }
 #else
 
-static inline int net_alive(struct net *net)
-{
-        return 1;
-}
-
 static inline struct net *get_net(struct net *net)
 {
         return net;
@@ -234,6 +224,23 @@ struct pernet_operations {
         void (*exit)(struct net *net);
 };
 
+/*
+ * Use these carefully.  If you implement a network device and it
+ * needs per network namespace operations use device pernet operations,
+ * otherwise use pernet subsys operations.
+ *
+ * This is critically important.  Most of the network code cleanup
+ * runs with the assumption that dev_remove_pack has been called so no
+ * new packets will arrive during and after the cleanup functions have
+ * been called.  dev_remove_pack is not per namespace so instead the
+ * guarantee of no more packets arriving in a network namespace is
+ * provided by ensuring that all network devices and all sockets have
+ * left the network namespace before the cleanup methods are called.
+ *
+ * For the longest time the ipv4 icmp code was registered as a pernet
+ * device which caused kernel oops, and panics during network
+ * namespace cleanup.   So please don't get this wrong.
+ */
 extern int register_pernet_subsys(struct pernet_operations *);
 extern void unregister_pernet_subsys(struct pernet_operations *);
 extern int register_pernet_gen_subsys(int *id, struct pernet_operations *);
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index e78afe7f28e3..c25068e38516 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -59,7 +59,7 @@ static inline int nf_conntrack_confirm(struct sk_buff *skb)
         struct nf_conn *ct = (struct nf_conn *)skb->nfct;
         int ret = NF_ACCEPT;
 
-        if (ct) {
+        if (ct && ct != &nf_conntrack_untracked) {
                 if (!nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct))
                         ret = __nf_conntrack_confirm(skb);
                 nf_ct_deliver_cached_events(ct);
diff --git a/include/net/sock.h b/include/net/sock.h
index ce3b5b622683..eefeeaf7fc46 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -860,7 +860,6 @@ static inline void sk_mem_uncharge(struct sock *sk, int size)
 
 static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb)
 {
-        skb_truesize_check(skb);
         sock_set_flag(sk, SOCK_QUEUE_SHRUNK);
         sk->sk_wmem_queued -= skb->truesize;
         sk_mem_uncharge(sk, skb->truesize);
diff --git a/include/scsi/fc/fc_fcoe.h b/include/scsi/fc/fc_fcoe.h
index 57aaa8f0d613..f271d9cc0fc2 100644
--- a/include/scsi/fc/fc_fcoe.h
+++ b/include/scsi/fc/fc_fcoe.h
@@ -31,10 +31,6 @@
 #define ETH_P_FCOE      0x8906          /* FCOE ether type */
 #endif
 
-#ifndef ETH_P_8021Q
-#define ETH_P_8021Q     0x8100
-#endif
-
 /*
  * FC_FCOE_OUI hasn't been standardized yet.   XXX TBD.
  */
diff --git a/include/scsi/fc/fc_fs.h b/include/scsi/fc/fc_fs.h
index 3e4801d2bdbb..1b7af3a64c7c 100644
--- a/include/scsi/fc/fc_fs.h
+++ b/include/scsi/fc/fc_fs.h
@@ -337,4 +337,9 @@ enum fc_pf_rjt_reason {
         FC_RJT_VENDOR =         0xff,   /* vendor specific reject */
 };
 
+/* default timeout values */
+
+#define FC_DEF_E_D_TOV  2000UL
+#define FC_DEF_R_A_TOV  10000UL
+
 #endif /* _FC_FS_H_ */
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 9f2876397dda..a2e126b86e3e 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -68,9 +68,6 @@
 /*
  * FC HBA status
  */
-#define FC_PAUSE                    (1 << 1)
-#define FC_LINK_UP                  (1 << 0)
-
 enum fc_lport_state {
         LPORT_ST_NONE = 0,
         LPORT_ST_FLOGI,
@@ -339,31 +336,17 @@ struct fc_exch {
 
 struct libfc_function_template {
 
-        /**
-         * Mandatory Fields
-         *
-         * These handlers must be implemented by the LLD.
-         */
-
         /*
          * Interface to send a FC frame
-         */
-        int (*frame_send)(struct fc_lport *lp, struct fc_frame *fp);
-
-        /**
-         * Optional Fields
          *
-         * The LLD may choose to implement any of the following handlers.
-         * If LLD doesn't specify hander and leaves its pointer NULL then
-         * the default libfc function will be used for that handler.
-         */
-
-        /**
-         * ELS/CT interfaces
+         * STATUS: REQUIRED
          */
+        int (*frame_send)(struct fc_lport *lp, struct fc_frame *fp);
 
         /*
-         * elsct_send - sends ELS/CT frame
+         * Interface to send ELS/CT frames
+         *
+         * STATUS: OPTIONAL
          */
         struct fc_seq *(*elsct_send)(struct fc_lport *lport,
                                      struct fc_rport *rport,
@@ -373,9 +356,6 @@ struct libfc_function_template {
                                              struct fc_frame *fp,
                                              void *arg),
                                      void *arg, u32 timer_msec);
-        /**
-         * Exhance Manager interfaces
-         */
 
         /*
          * Send the FC frame payload using a new exchange and sequence.
@@ -407,6 +387,8 @@ struct libfc_function_template {
          * timer_msec argument is specified. The timer is canceled when
          * it fires or when the exchange is done. The exchange timeout handler
          * is registered by EM layer.
+         *
+         * STATUS: OPTIONAL
          */
         struct fc_seq *(*exch_seq_send)(struct fc_lport *lp,
                                         struct fc_frame *fp,
@@ -418,14 +400,18 @@ struct libfc_function_template {
                                         void *arg, unsigned int timer_msec);
 
         /*
-         * send a frame using existing sequence and exchange.
+         * Send a frame using an existing sequence and exchange.
+         *
+         * STATUS: OPTIONAL
          */
         int (*seq_send)(struct fc_lport *lp, struct fc_seq *sp,
                         struct fc_frame *fp);
 
         /*
-         * Send ELS response using mainly infomation
-         * in exchange and sequence in EM layer.
+         * Send an ELS response using infomation from a previous
+         * exchange and sequence.
+         *
+         * STATUS: OPTIONAL
          */
         void (*seq_els_rsp_send)(struct fc_seq *sp, enum fc_els_cmd els_cmd,
                                  struct fc_seq_els_data *els_data);
@@ -437,6 +423,8 @@ struct libfc_function_template {
          * A timer_msec can be specified for abort timeout, if non-zero
          * timer_msec value is specified then exchange resp handler
          * will be called with timeout error if no response to abort.
+         *
+         * STATUS: OPTIONAL
          */
         int (*seq_exch_abort)(const struct fc_seq *req_sp,
                               unsigned int timer_msec);
@@ -444,6 +432,8 @@ struct libfc_function_template {
         /*
          * Indicate that an exchange/sequence tuple is complete and the memory
          * allocated for the related objects may be freed.
+         *
+         * STATUS: OPTIONAL
          */
         void (*exch_done)(struct fc_seq *sp);
 
@@ -451,6 +441,8 @@ struct libfc_function_template {
          * Assigns a EM and a free XID for an new exchange and then
          * allocates a new exchange and sequence pair.
          * The fp can be used to determine free XID.
+         *
+         * STATUS: OPTIONAL
          */
         struct fc_exch *(*exch_get)(struct fc_lport *lp, struct fc_frame *fp);
 
@@ -458,12 +450,16 @@ struct libfc_function_template {
          * Release previously assigned XID by exch_get API.
          * The LLD may implement this if XID is assigned by LLD
          * in exch_get().
+         *
+         * STATUS: OPTIONAL
          */
         void (*exch_put)(struct fc_lport *lp, struct fc_exch_mgr *mp,
                          u16 ex_id);
 
         /*
          * Start a new sequence on the same exchange/sequence tuple.
+         *
+         * STATUS: OPTIONAL
          */
         struct fc_seq *(*seq_start_next)(struct fc_seq *sp);
 
@@ -471,26 +467,38 @@ struct libfc_function_template {
          * Reset an exchange manager, completing all sequences and exchanges.
          * If s_id is non-zero, reset only exchanges originating from that FID.
          * If d_id is non-zero, reset only exchanges sending to that FID.
+         *
+         * STATUS: OPTIONAL
          */
-        void (*exch_mgr_reset)(struct fc_exch_mgr *,
+        void (*exch_mgr_reset)(struct fc_lport *,
                                u32 s_id, u32 d_id);
 
-        void (*rport_flush_queue)(void);
-        /**
-         * Local Port interfaces
+        /*
+         * Flush the rport work queue. Generally used before shutdown.
+         *
+         * STATUS: OPTIONAL
          */
+        void (*rport_flush_queue)(void);
 
         /*
-         * Receive a frame to a local port.
+         * Receive a frame for a local port.
+         *
+         * STATUS: OPTIONAL
          */
         void (*lport_recv)(struct fc_lport *lp, struct fc_seq *sp,
                            struct fc_frame *fp);
 
+        /*
+         * Reset the local port.
+         *
+         * STATUS: OPTIONAL
+         */
         int (*lport_reset)(struct fc_lport *);
 
-        /**
-         * Remote Port interfaces
+        /*
+         * Create a remote port
          */
+        struct fc_rport *(*rport_create)(struct fc_disc_port *);
 
         /*
          * Initiates the RP state machine. It is called from the LP module.
@@ -500,26 +508,33 @@ struct libfc_function_template {
          * - PLOGI
          * - PRLI
          * - RTV
+         *
+         * STATUS: OPTIONAL
          */
         int (*rport_login)(struct fc_rport *rport);
 
         /*
          * Logoff, and remove the rport from the transport if
          * it had been added. This will send a LOGO to the target.
+         *
+         * STATUS: OPTIONAL
          */
         int (*rport_logoff)(struct fc_rport *rport);
 
         /*
          * Recieve a request from a remote port.
+         *
+         * STATUS: OPTIONAL
          */
         void (*rport_recv_req)(struct fc_seq *, struct fc_frame *,
                                struct fc_rport *);
 
-        struct fc_rport *(*rport_lookup)(const struct fc_lport *, u32);
-
-        /**
-         * FCP interfaces
+        /*
+         * lookup an rport by it's port ID.
+         *
+         * STATUS: OPTIONAL
          */
+        struct fc_rport *(*rport_lookup)(const struct fc_lport *, u32);
 
         /*
          * Send a fcp cmd from fsp pkt.
@@ -527,30 +542,38 @@ struct libfc_function_template {
          *
          * The resp handler is called when FCP_RSP received.
          *
+         * STATUS: OPTIONAL
          */
         int (*fcp_cmd_send)(struct fc_lport *lp, struct fc_fcp_pkt *fsp,
                             void (*resp)(struct fc_seq *, struct fc_frame *fp,
                                          void *arg));
 
         /*
-         * Used at least durring linkdown and reset
+         * Cleanup the FCP layer, used durring link down and reset
+         *
+         * STATUS: OPTIONAL
          */
         void (*fcp_cleanup)(struct fc_lport *lp);
 
         /*
          * Abort all I/O on a local port
+         *
+         * STATUS: OPTIONAL
          */
         void (*fcp_abort_io)(struct fc_lport *lp);
 
-        /**
-         * Discovery interfaces
+        /*
+         * Receive a request for the discovery layer.
+         *
+         * STATUS: OPTIONAL
          */
-
         void (*disc_recv_req)(struct fc_seq *,
                               struct fc_frame *, struct fc_lport *);
 
         /*
          * Start discovery for a local port.
+         *
+         * STATUS: OPTIONAL
          */
         void (*disc_start)(void (*disc_callback)(struct fc_lport *,
                                                  enum fc_disc_event),
@@ -559,6 +582,8 @@ struct libfc_function_template {
         /*
          * Stop discovery for a given lport. This will remove
          * all discovered rports
+         *
+         * STATUS: OPTIONAL
          */
         void (*disc_stop) (struct fc_lport *);
 
@@ -566,6 +591,8 @@ struct libfc_function_template {
          * Stop discovery for a given lport. This will block
          * until all discovered rports are deleted from the
          * FC transport class
+         *
+         * STATUS: OPTIONAL
          */
         void (*disc_stop_final) (struct fc_lport *);
 };
@@ -603,7 +630,8 @@ struct fc_lport {
 
         /* Operational Information */
         struct libfc_function_template tt;
-        u16                     link_status;
+        u8                      link_up;
+        u8                      qfull;
         enum fc_lport_state     state;
         unsigned long           boot_time;
 
@@ -637,7 +665,7 @@ struct fc_lport {
         struct delayed_work     disc_work;
 };
 
-/**
+/*
  * FC_LPORT HELPER FUNCTIONS
  *****************************/
 static inline void *lport_priv(const struct fc_lport *lp)
@@ -669,7 +697,7 @@ static inline void fc_lport_state_enter(struct fc_lport *lp,
 }
 
 
-/**
+/*
  * LOCAL PORT LAYER
  *****************************/
 int fc_lport_init(struct fc_lport *lp);
@@ -704,12 +732,6 @@ void fc_linkup(struct fc_lport *);
 void fc_linkdown(struct fc_lport *);
 
 /*
- * Pause and unpause traffic.
- */
-void fc_pause(struct fc_lport *);
-void fc_unpause(struct fc_lport *);
-
-/*
  * Configure the local port.
  */
 int fc_lport_config(struct fc_lport *);
@@ -725,19 +747,19 @@ int fc_lport_reset(struct fc_lport *);
 int fc_set_mfs(struct fc_lport *lp, u32 mfs);
 
 
-/**
+/*
  * REMOTE PORT LAYER
  *****************************/
 int fc_rport_init(struct fc_lport *lp);
 void fc_rport_terminate_io(struct fc_rport *rp);
 
-/**
+/*
  * DISCOVERY LAYER
  *****************************/
 int fc_disc_init(struct fc_lport *lp);
 
 
-/**
+/*
  * SCSI LAYER
  *****************************/
 /*
@@ -798,7 +820,7 @@ int fc_change_queue_type(struct scsi_device *sdev, int tag_type);
  */
 void fc_fcp_destroy(struct fc_lport *);
 
-/**
+/*
  * ELS/CT interface
  *****************************/
 /*
@@ -807,7 +829,7 @@ void fc_fcp_destroy(struct fc_lport *);
 int fc_elsct_init(struct fc_lport *lp);
 
 
-/**
+/*
  * EXCHANGE MANAGER LAYER
  *****************************/
 /*
@@ -916,7 +938,7 @@ struct fc_seq *fc_seq_start_next(struct fc_seq *sp);
  * If s_id is non-zero, reset only exchanges originating from that FID.
  * If d_id is non-zero, reset only exchanges sending to that FID.
  */
-void fc_exch_mgr_reset(struct fc_exch_mgr *, u32 s_id, u32 d_id);
+void fc_exch_mgr_reset(struct fc_lport *, u32 s_id, u32 d_id);
 
 /*
  * Functions for fc_functions_template
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 89fdbb9a6a1b..941818f29f59 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -46,6 +46,7 @@ struct fcoe_softc {
         struct net_device *phys_dev;            /* device with ethtool_ops */
         struct packet_type  fcoe_packet_type;
         struct sk_buff_head fcoe_pending_queue;
+        u8      fcoe_pending_queue_active;
 
         u8 dest_addr[ETH_ALEN];
         u8 ctl_src_addr[ETH_ALEN];
@@ -58,16 +59,10 @@ struct fcoe_softc {
         u8 address_mode;
 };
 
-static inline struct fcoe_softc *fcoe_softc(
-        const struct fc_lport *lp)
-{
-        return (struct fcoe_softc *)lport_priv(lp);
-}
-
 static inline struct net_device *fcoe_netdev(
         const struct fc_lport *lp)
 {
-        return fcoe_softc(lp)->real_dev;
+        return ((struct fcoe_softc *)lport_priv(lp))->real_dev;
 }
 
 static inline struct fcoe_hdr *skb_fcoe_header(const struct sk_buff *skb)