Merge branch 'linus' into x86/xen

Conflicts:
	arch/x86/kernel/paravirt.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>

27 files changed, 109 insertions, 23 deletions

diff --git a/include/asm-cris/Kbuild b/include/asm-cris/Kbuild
index b7037d80d461..d5b631935ec8 100644
--- a/include/asm-cris/Kbuild
+++ b/include/asm-cris/Kbuild
@@ -1,6 +1,5 @@
 include include/asm-generic/Kbuild.asm
 
-header-y += arch/
 header-y += arch-v10/
 header-y += arch-v32/
 
diff --git a/include/asm-frv/io.h b/include/asm-frv/io.h
index 20e44fe00abf..ca7475e73b5e 100644
--- a/include/asm-frv/io.h
+++ b/include/asm-frv/io.h
@@ -271,6 +271,8 @@ static inline void __iomem *ioremap_fullcache(unsigned long physaddr, unsigned l
         return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
 }
 
+#define ioremap_wc ioremap_nocache
+
 extern void iounmap(void volatile __iomem *addr);
 
 static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
diff --git a/include/asm-mn10300/io.h b/include/asm-mn10300/io.h
index b8b6dc878250..c1a4119e6497 100644
--- a/include/asm-mn10300/io.h
+++ b/include/asm-mn10300/io.h
@@ -259,6 +259,8 @@ static inline void *ioremap_nocache(unsigned long offset, unsigned long size)
         return (void *) (offset | 0x20000000);
 }
 
+#define ioremap_wc ioremap_nocache
+
 static inline void iounmap(void *addr)
 {
 }
diff --git a/include/asm-x86/genapic_32.h b/include/asm-x86/genapic_32.h
index b02ea6e17de8..754d635f90ff 100644
--- a/include/asm-x86/genapic_32.h
+++ b/include/asm-x86/genapic_32.h
@@ -118,6 +118,7 @@ enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
 #define get_uv_system_type()            UV_NONE
 #define is_uv_system()                  0
 #define uv_wakeup_secondary(a, b)       1
+#define uv_system_init()                do {} while (0)
 
 
 #endif
diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h
index 0f8504627c41..a47d63129135 100644
--- a/include/asm-x86/genapic_64.h
+++ b/include/asm-x86/genapic_64.h
@@ -42,6 +42,7 @@ extern int is_uv_system(void);
 extern struct genapic apic_x2apic_uv_x;
 DECLARE_PER_CPU(int, x2apic_extra_bits);
 extern void uv_cpu_init(void);
+extern void uv_system_init(void);
 extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
 
 extern void setup_apic_routing(void);
diff --git a/include/asm-x86/irq_vectors.h b/include/asm-x86/irq_vectors.h
index b95d167b7fb2..a48c7f2dbdc0 100644
--- a/include/asm-x86/irq_vectors.h
+++ b/include/asm-x86/irq_vectors.h
@@ -76,6 +76,7 @@
 #define CALL_FUNCTION_SINGLE_VECTOR     0xfb
 #define THERMAL_APIC_VECTOR             0xfa
 #define THRESHOLD_APIC_VECTOR           0xf9
+#define UV_BAU_MESSAGE                  0xf8
 #define INVALIDATE_TLB_VECTOR_END       0xf7
 #define INVALIDATE_TLB_VECTOR_START     0xf0    /* f0-f7 used for TLB flush */
 
diff --git a/include/asm-x86/uv/uv_bau.h b/include/asm-x86/uv/uv_bau.h
index 91ac0dfb7588..610b6b308e93 100644
--- a/include/asm-x86/uv/uv_bau.h
+++ b/include/asm-x86/uv/uv_bau.h
@@ -40,11 +40,6 @@
 #define UV_ACTIVATION_DESCRIPTOR_SIZE   32
 #define UV_DISTRIBUTION_SIZE            256
 #define UV_SW_ACK_NPENDING              8
-#define UV_BAU_MESSAGE                  200
-/*
- * Messaging irq; see irq_64.h and include/asm-x86/hw_irq_64.h
- * To be dynamically allocated in the future
- */
 #define UV_NET_ENDPOINT_INTD            0x38
 #define UV_DESC_BASE_PNODE_SHIFT        49
 #define UV_PAYLOADQ_PNODE_SHIFT         49
diff --git a/include/asm-x86/xen/hypervisor.h b/include/asm-x86/xen/hypervisor.h
index d9dd28caa508..fca066febc35 100644
--- a/include/asm-x86/xen/hypervisor.h
+++ b/include/asm-x86/xen/hypervisor.h
@@ -35,7 +35,6 @@
 
 #include <linux/types.h>
 #include <linux/kernel.h>
-#include <linux/version.h>
 
 #include <xen/interface/xen.h>
 #include <xen/interface/version.h>
diff --git a/include/linux/device.h b/include/linux/device.h
index d24a47f80f9c..4d8372d135df 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -358,6 +358,7 @@ struct device {
 
         struct kobject kobj;
         char    bus_id[BUS_ID_SIZE];    /* position on parent bus */
+        const char              *init_name; /* initial name of the device */
         struct device_type      *type;
         unsigned                uevent_suppress:1;
 
@@ -406,7 +407,7 @@ struct device {
 /* Get the wakeup routines, which depend on struct device */
 #include <linux/pm_wakeup.h>
 
-static inline const char *dev_name(struct device *dev)
+static inline const char *dev_name(const struct device *dev)
 {
         /* will be changed into kobject_name(&dev->kobj) in the near future */
         return dev->bus_id;
@@ -518,7 +519,7 @@ extern void device_shutdown(void);
 extern void sysdev_shutdown(void);
 
 /* debugging and troubleshooting/diagnostic helpers. */
-extern const char *dev_driver_string(struct device *dev);
+extern const char *dev_driver_string(const struct device *dev);
 #define dev_printk(level, dev, format, arg...)  \
         printk(level "%s %s: " format , dev_driver_string(dev) , \
                dev_name(dev) , ## arg)
diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index f5abd1306638..27e772cefb6a 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -35,6 +35,27 @@ enum fid_type {
         FILEID_INO32_GEN_PARENT = 2,
 
         /*
+         * 64 bit object ID, 64 bit root object ID,
+         * 32 bit generation number.
+         */
+        FILEID_BTRFS_WITHOUT_PARENT = 0x4d,
+
+        /*
+         * 64 bit object ID, 64 bit root object ID,
+         * 32 bit generation number,
+         * 64 bit parent object ID, 32 bit parent generation.
+         */
+        FILEID_BTRFS_WITH_PARENT = 0x4e,
+
+        /*
+         * 64 bit object ID, 64 bit root object ID,
+         * 32 bit generation number,
+         * 64 bit parent object ID, 32 bit parent generation,
+         * 64 bit parent root object ID.
+         */
+        FILEID_BTRFS_WITH_PARENT_ROOT = 0x4f,
+
+        /*
          * 32 bit block number, 16 bit partition reference,
          * 16 bit unused, 32 bit generation number.
          */
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 3b8870e32afd..531ccd5f5960 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -976,6 +976,9 @@ static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
 
 /* drivers/video/fb_defio.c */
 extern void fb_deferred_io_init(struct fb_info *info);
+extern void fb_deferred_io_open(struct fb_info *info,
+                                struct inode *inode,
+                                struct file *file);
 extern void fb_deferred_io_cleanup(struct fb_info *info);
 extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
                                 int datasync);
diff --git a/include/linux/fs_uart_pd.h b/include/linux/fs_uart_pd.h
index 809bb9ffc788..36b61ff39277 100644
--- a/include/linux/fs_uart_pd.h
+++ b/include/linux/fs_uart_pd.h
@@ -12,7 +12,6 @@
 #ifndef FS_UART_PD_H
 #define FS_UART_PD_H
 
-#include <linux/version.h>
 #include <asm/types.h>
 
 enum fs_uart_id {
diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h
index 4c6307ad9fdb..8529f57ba263 100644
--- a/include/linux/if_tun.h
+++ b/include/linux/if_tun.h
@@ -45,6 +45,7 @@
 #define TUNGETFEATURES _IOR('T', 207, unsigned int)
 #define TUNSETOFFLOAD  _IOW('T', 208, unsigned int)
 #define TUNSETTXFILTER _IOW('T', 209, unsigned int)
+#define TUNGETIFF      _IOR('T', 210, unsigned int)
 
 /* TUNSETIFF ifr flags */
 #define IFF_TUN         0x0001
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 06b80337303b..225bfc5bd9ec 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -163,6 +163,7 @@ enum {
         ATA_DEV_NONE            = 9,    /* no device */
 
         /* struct ata_link flags */
+        ATA_LFLAG_NO_HRST       = (1 << 1), /* avoid hardreset */
         ATA_LFLAG_NO_SRST       = (1 << 2), /* avoid softreset */
         ATA_LFLAG_ASSUME_ATA    = (1 << 3), /* assume ATA class */
         ATA_LFLAG_ASSUME_SEMB   = (1 << 4), /* assume SEMB class */
@@ -646,6 +647,7 @@ struct ata_link {
 
         unsigned int            flags;          /* ATA_LFLAG_xxx */
 
+        u32                     saved_scontrol; /* SControl on probe */
         unsigned int            hw_sata_spd_limit;
         unsigned int            sata_spd_limit;
         unsigned int            sata_spd;       /* current SATA PHY speed */
@@ -1427,6 +1429,28 @@ static inline unsigned long ata_deadline(unsigned long from_jiffies,
         return from_jiffies + msecs_to_jiffies(timeout_msecs);
 }
 
+/* Don't open code these in drivers as there are traps. Firstly the range may
+   change in future hardware and specs, secondly 0xFF means 'no DMA' but is
+   > UDMA_0. Dyma ddreigiau */
+
+static inline int ata_using_mwdma(struct ata_device *adev)
+{
+        if (adev->dma_mode >= XFER_MW_DMA_0 && adev->dma_mode <= XFER_MW_DMA_4)
+                return 1;
+        return 0;
+}
+
+static inline int ata_using_udma(struct ata_device *adev)
+{
+        if (adev->dma_mode >= XFER_UDMA_0 && adev->dma_mode <= XFER_UDMA_7)
+                return 1;
+        return 0;
+}
+
+static inline int ata_dma_enabled(struct ata_device *adev)
+{
+        return (adev->dma_mode == 0xFF ? 0 : 1);
+}
 
 /**************************************************************************
  * PMP - drivers/ata/libata-pmp.c
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 3ba25065fa96..8837928fbf33 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -57,6 +57,15 @@ static inline acpi_status pcie_osc_support_set(u32 flags)
 {
         return __pci_osc_support_set(flags, PCI_EXPRESS_ROOT_HID_STRING);
 }
+static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
+{
+        /* Find root host bridge */
+        while (pdev->bus->self)
+                pdev = pdev->bus->self;
+
+        return acpi_get_pci_rootbridge_handle(pci_domain_nr(pdev->bus),
+                        pdev->bus->number);
+}
 #else
 #if !defined(AE_ERROR)
 typedef u32             acpi_status;
@@ -66,6 +75,8 @@ static inline acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
 {return AE_ERROR;}
 static inline acpi_status pci_osc_support_set(u32 flags) {return AE_ERROR;} 
 static inline acpi_status pcie_osc_support_set(u32 flags) {return AE_ERROR;}
+static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
+{ return NULL; }
 #endif
 
 #endif  /* _PCI_ACPI_H_ */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 9ec2bcce8e83..f1624b396754 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2428,6 +2428,9 @@
 #define PCI_DEVICE_ID_INTEL_ICH10_3     0x3a1a
 #define PCI_DEVICE_ID_INTEL_ICH10_4     0x3a30
 #define PCI_DEVICE_ID_INTEL_ICH10_5     0x3a60
+#define PCI_DEVICE_ID_INTEL_PCH_0       0x3b10
+#define PCI_DEVICE_ID_INTEL_PCH_1       0x3b11
+#define PCI_DEVICE_ID_INTEL_PCH_2       0x3b30
 #define PCI_DEVICE_ID_INTEL_IOAT_SNB    0x402f
 #define PCI_DEVICE_ID_INTEL_5100_16     0x65f0
 #define PCI_DEVICE_ID_INTEL_5100_21     0x65f5
diff --git a/include/linux/pid.h b/include/linux/pid.h
index 22921ac4cfd9..d7e98ff8021e 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -161,4 +161,13 @@ pid_t pid_vnr(struct pid *pid);
                         }                                               \
         } while (0)
 
+#define do_each_pid_thread(pid, type, task)                             \
+        do_each_pid_task(pid, type, task) {                             \
+                struct task_struct *tg___ = task;                       \
+                do {
+
+#define while_each_pid_thread(pid, type, task)                          \
+                } while_each_thread(tg___, task);                       \
+                task = tg___;                                           \
+        } while_each_pid_task(pid, type, task)
 #endif /* _LINUX_PID_H */
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 69407f85e10b..fed6f5e0b411 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -102,7 +102,7 @@ int try_to_unmap(struct page *, int ignore_refs);
  * Called from mm/filemap_xip.c to unmap empty zero page
  */
 pte_t *page_check_address(struct page *, struct mm_struct *,
-                                unsigned long, spinlock_t **);
+                                unsigned long, spinlock_t **, int);
 
 /*
  * Used by swapoff to help locate where page is expected in vma.
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 358661c9990e..909923717830 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1452,6 +1452,10 @@ extern int	       skb_copy_datagram_iovec(const struct sk_buff *from,
 extern int             skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
                                                         int hlen,
                                                         struct iovec *iov);
+extern int             skb_copy_datagram_from_iovec(struct sk_buff *skb,
+                                                    int offset,
+                                                    struct iovec *from,
+                                                    int len);
 extern void            skb_free_datagram(struct sock *sk, struct sk_buff *skb);
 extern int             skb_kill_datagram(struct sock *sk, struct sk_buff *skb,
                                          unsigned int flags);
diff --git a/include/linux/tick.h b/include/linux/tick.h
index d3c02695dc5d..8cf8cfe2cc97 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -74,10 +74,13 @@ extern struct tick_device *tick_get_device(int cpu);
 extern int tick_init_highres(void);
 extern int tick_program_event(ktime_t expires, int force);
 extern void tick_setup_sched_timer(void);
+# endif
+
+# if defined CONFIG_NO_HZ || defined CONFIG_HIGH_RES_TIMERS
 extern void tick_cancel_sched_timer(int cpu);
 # else
 static inline void tick_cancel_sched_timer(int cpu) { }
-# endif /* HIGHRES */
+# endif
 
 # ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
 extern struct tick_device *tick_get_broadcast_device(void);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 0924cd9c30f6..94ac74aba6b6 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -110,6 +110,8 @@ enum usb_interface_condition {
  * @sysfs_files_created: sysfs attributes exist
  * @needs_remote_wakeup: flag set when the driver requires remote-wakeup
  *      capability during autosuspend.
+ * @needs_altsetting0: flag set when a set-interface request for altsetting 0
+ *      has been deferred.
  * @needs_binding: flag set when the driver should be re-probed or unbound
  *      following a reset or suspend operation it doesn't support.
  * @dev: driver model's view of this device
@@ -162,6 +164,7 @@ struct usb_interface {
         unsigned is_active:1;           /* the interface is not suspended */
         unsigned sysfs_files_created:1; /* the sysfs attributes exist */
         unsigned needs_remote_wakeup:1; /* driver requires remote wakeup */
+        unsigned needs_altsetting0:1;   /* switch to altsetting 0 is pending */
         unsigned needs_binding:1;       /* needs delayed unbind/rebind */
 
         struct device dev;              /* interface specific device info */
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 06b28142b3ab..c216de528b08 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -80,7 +80,8 @@ extern struct inet6_ifaddr      *ipv6_get_ifaddr(struct net *net,
                                                  struct net_device *dev,
                                                  int strict);
 
-extern int                      ipv6_dev_get_saddr(struct net_device *dev, 
+extern int                      ipv6_dev_get_saddr(struct net *net,
+                                               struct net_device *dev,
                                                const struct in6_addr *daddr,
                                                unsigned int srcprefs,
                                                struct in6_addr *saddr);
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index bc391ba101e9..5f53db7e4e57 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -107,6 +107,7 @@ struct rt6_rtnl_dump_arg
 {
         struct sk_buff *skb;
         struct netlink_callback *cb;
+        struct net *net;
 };
 
 extern int rt6_dump_route(struct rt6_info *rt, void *p_arg);
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index b397e4d984c7..ff137fd7714f 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -708,10 +708,7 @@ enum ieee80211_tkip_key_type {
  *      rely on the host system for such buffering. This option is used
  *      to configure the IEEE 802.11 upper layer to buffer broadcast and
  *      multicast frames when there are power saving stations so that
- *      the driver can fetch them with ieee80211_get_buffered_bc(). Note
- *      that not setting this flag works properly only when the
- *      %IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE is also not set because
- *      otherwise the stack will not know when the DTIM beacon was sent.
+ *      the driver can fetch them with ieee80211_get_buffered_bc().
  *
  * @IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE:
  *      Hardware is not capable of short slot operation on the 2.4 GHz band.
@@ -1099,10 +1096,8 @@ enum ieee80211_ampdu_mlme_action {
  *      See the section "Frame filtering" for more information.
  *      This callback must be implemented and atomic.
  *
- * @set_tim: Set TIM bit. If the hardware/firmware takes care of beacon
- *      generation (that is, %IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE is set)
- *      mac80211 calls this function when a TIM bit must be set or cleared
- *      for a given AID. Must be atomic.
+ * @set_tim: Set TIM bit. mac80211 calls this function when a TIM bit
+ *      must be set or cleared for a given AID. Must be atomic.
  *
  * @set_key: See the section "Hardware crypto acceleration"
  *      This callback can sleep, and is only called between add_interface
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 853fe83d9f37..b786a5b09253 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -78,6 +78,7 @@ extern struct Qdisc *fifo_create_dflt(struct Qdisc *sch, struct Qdisc_ops *ops,
 
 extern int register_qdisc(struct Qdisc_ops *qops);
 extern int unregister_qdisc(struct Qdisc_ops *qops);
+extern void qdisc_list_del(struct Qdisc *q);
 extern struct Qdisc *qdisc_lookup(struct net_device *dev, u32 handle);
 extern struct Qdisc *qdisc_lookup_class(struct net_device *dev, u32 handle);
 extern struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r,
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index a7abfda3e447..b1d2cfea89c5 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -27,6 +27,7 @@ enum qdisc_state_t
 {
         __QDISC_STATE_RUNNING,
         __QDISC_STATE_SCHED,
+        __QDISC_STATE_DEACTIVATED,
 };
 
 struct qdisc_size_table {
@@ -60,7 +61,6 @@ struct Qdisc
         struct gnet_stats_basic bstats;
         struct gnet_stats_queue qstats;
         struct gnet_stats_rate_est      rate_est;
-        struct rcu_head         q_rcu;
         int                     (*reshape_fail)(struct sk_buff *skb,
                                         struct Qdisc *q);
 
@@ -193,6 +193,11 @@ static inline struct Qdisc *qdisc_root(struct Qdisc *qdisc)
         return qdisc->dev_queue->qdisc;
 }
 
+static inline struct Qdisc *qdisc_root_sleeping(struct Qdisc *qdisc)
+{
+        return qdisc->dev_queue->qdisc_sleeping;
+}
+
 /* The qdisc root lock is a mechanism by which to top level
  * of a qdisc tree can be locked from any qdisc node in the
  * forest.  This allows changing the configuration of some
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 291d56a19167..80b2e93c2936 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -6,6 +6,7 @@
 #include <linux/spinlock.h>
 #include <linux/workqueue.h>
 #include <linux/blkdev.h>
+#include <scsi/scsi.h>
 #include <asm/atomic.h>
 
 struct request_queue;
@@ -426,7 +427,7 @@ static inline int scsi_device_enclosure(struct scsi_device *sdev)
 
 static inline int scsi_device_protection(struct scsi_device *sdev)
 {
-        return sdev->inquiry[5] & (1<<0);
+        return sdev->scsi_level > SCSI_2 && sdev->inquiry[5] & (1<<0);
 }
 
 #define MODULE_ALIAS_SCSI_DEVICE(type) \