Merge branch 'linux-2.6' into merge

23 files changed, 126 insertions, 42 deletions

diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 06480bcabfdc..06ebb6ef72aa 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -319,6 +319,7 @@ static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
 #endif                          /* CONFIG_CPU_FREQ */
 
 /* in processor_throttling.c */
+int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
 int acpi_processor_get_throttling_info(struct acpi_processor *pr);
 extern int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
 extern struct file_operations acpi_processor_throttling_fops;
diff --git a/include/asm-arm/arch-pxa/regs-lcd.h b/include/asm-arm/arch-pxa/regs-lcd.h
index f762493f5141..3ba464c913a5 100644
--- a/include/asm-arm/arch-pxa/regs-lcd.h
+++ b/include/asm-arm/arch-pxa/regs-lcd.h
@@ -1,5 +1,8 @@
 #ifndef __ASM_ARCH_REGS_LCD_H
 #define __ASM_ARCH_REGS_LCD_H
+
+#include <asm/arch/bitfield.h>
+
 /*
  * LCD Controller Registers and Bits Definitions
  */
@@ -69,7 +72,7 @@
 #define LCCR0_QDM       (1 << 11)       /* LCD Quick Disable mask */
 #define LCCR0_PDD       (0xff << 12)    /* Palette DMA request delay */
 #define LCCR0_PDD_S     12
-#define LCCR0_BM        (1 << 20)       /* Branch mask */
+#define LCCR0_BM        (1 << 20)       /* Branch mask */
 #define LCCR0_OUM       (1 << 21)       /* Output FIFO underrun mask */
 #define LCCR0_LCDT      (1 << 22)       /* LCD panel type */
 #define LCCR0_RDSTM     (1 << 23)       /* Read status interrupt mask */
diff --git a/include/asm-m68k/bitops.h b/include/asm-m68k/bitops.h
index 83d1f286230b..3e8106442d5a 100644
--- a/include/asm-m68k/bitops.h
+++ b/include/asm-m68k/bitops.h
@@ -410,8 +410,49 @@ static inline int ext2_find_next_zero_bit(const void *vaddr, unsigned size,
         res = ext2_find_first_zero_bit (p, size - 32 * (p - addr));
         return (p - addr) * 32 + res;
 }
-#define ext2_find_next_bit(addr, size, off) \
-        generic_find_next_le_bit((unsigned long *)(addr), (size), (off))
+
+static inline int ext2_find_first_bit(const void *vaddr, unsigned size)
+{
+        const unsigned long *p = vaddr, *addr = vaddr;
+        int res;
+
+        if (!size)
+                return 0;
+
+        size = (size >> 5) + ((size & 31) > 0);
+        while (*p++ == 0UL) {
+                if (--size == 0)
+                        return (p - addr) << 5;
+        }
+
+        --p;
+        for (res = 0; res < 32; res++)
+                if (ext2_test_bit(res, p))
+                        break;
+        return (p - addr) * 32 + res;
+}
+
+static inline int ext2_find_next_bit(const void *vaddr, unsigned size,
+                                     unsigned offset)
+{
+        const unsigned long *addr = vaddr;
+        const unsigned long *p = addr + (offset >> 5);
+        int bit = offset & 31UL, res;
+
+        if (offset >= size)
+                return size;
+
+        if (bit) {
+                /* Look for one in first longword */
+                for (res = bit; res < 32; res++)
+                        if (ext2_test_bit(res, p))
+                                return (p - addr) * 32 + res;
+                p++;
+        }
+        /* No set bit yet, search remaining full bytes for a set bit */
+        res = ext2_find_first_bit(p, size - 32 * (p - addr));
+        return (p - addr) * 32 + res;
+}
 
 #endif /* __KERNEL__ */
 
diff --git a/include/asm-parisc/checksum.h b/include/asm-parisc/checksum.h
index cc3ec1bd8919..e9639ccc3fce 100644
--- a/include/asm-parisc/checksum.h
+++ b/include/asm-parisc/checksum.h
@@ -65,7 +65,7 @@ static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
 "2:\n"
         : "=r" (sum), "=r" (iph), "=r" (ihl)
         : "1" (iph), "2" (ihl)
-        : "r19", "r20", "r21" );
+        : "r19", "r20", "r21", "memory");
 
         return (__force __sum16)sum;
 }
diff --git a/include/asm-powerpc/kvm_ppc.h b/include/asm-powerpc/kvm_ppc.h
index b35a7e3ef978..5a21115228af 100644
--- a/include/asm-powerpc/kvm_ppc.h
+++ b/include/asm-powerpc/kvm_ppc.h
@@ -57,6 +57,7 @@ extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
 
 extern int kvmppc_emulate_instruction(struct kvm_run *run,
                                       struct kvm_vcpu *vcpu);
+extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
 
 extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn,
                            u64 asid, u32 flags);
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 51e6b1e520e6..dcf77fa826b5 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -82,6 +82,7 @@ struct cpuidle_state_kobj {
 };
 
 struct cpuidle_device {
+        unsigned int            registered:1;
         unsigned int            enabled:1;
         unsigned int            cpu;
 
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index d5d40a9f7929..c6801bffe76d 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -53,14 +53,14 @@ struct resource_list {
 #define IORESOURCE_AUTO         0x40000000
 #define IORESOURCE_BUSY         0x80000000      /* Driver has marked this resource busy */
 
-/* ISA PnP IRQ specific bits (IORESOURCE_BITS) */
+/* PnP IRQ specific bits (IORESOURCE_BITS) */
 #define IORESOURCE_IRQ_HIGHEDGE         (1<<0)
 #define IORESOURCE_IRQ_LOWEDGE          (1<<1)
 #define IORESOURCE_IRQ_HIGHLEVEL        (1<<2)
 #define IORESOURCE_IRQ_LOWLEVEL         (1<<3)
 #define IORESOURCE_IRQ_SHAREABLE        (1<<4)
 
-/* ISA PnP DMA specific bits (IORESOURCE_BITS) */
+/* PnP DMA specific bits (IORESOURCE_BITS) */
 #define IORESOURCE_DMA_TYPE_MASK        (3<<0)
 #define IORESOURCE_DMA_8BIT             (0<<0)
 #define IORESOURCE_DMA_8AND16BIT        (1<<0)
@@ -76,7 +76,7 @@ struct resource_list {
 #define IORESOURCE_DMA_TYPEB            (2<<6)
 #define IORESOURCE_DMA_TYPEF            (3<<6)
 
-/* ISA PnP memory I/O specific bits (IORESOURCE_BITS) */
+/* PnP memory I/O specific bits (IORESOURCE_BITS) */
 #define IORESOURCE_MEM_WRITEABLE        (1<<0)  /* dup: IORESOURCE_READONLY */
 #define IORESOURCE_MEM_CACHEABLE        (1<<1)  /* dup: IORESOURCE_CACHEABLE */
 #define IORESOURCE_MEM_RANGELENGTH      (1<<2)  /* dup: IORESOURCE_RANGELENGTH */
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 10b666b61add..cde056e08181 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -396,8 +396,10 @@ static inline struct request_sock *inet6_reqsk_alloc(struct request_sock_ops *op
 {
         struct request_sock *req = reqsk_alloc(ops);
 
-        if (req != NULL)
+        if (req != NULL) {
                 inet_rsk(req)->inet6_rsk_offset = inet6_rsk_offset(req);
+                inet6_rsk(req)->pktopts = NULL;
+        }
 
         return req;
 }
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 398978972b7a..092b1b25291d 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -297,7 +297,7 @@ static inline gpa_t gfn_to_gpa(gfn_t gfn)
         return (gpa_t)gfn << PAGE_SHIFT;
 }
 
-static inline void kvm_migrate_apic_timer(struct kvm_vcpu *vcpu)
+static inline void kvm_migrate_timers(struct kvm_vcpu *vcpu)
 {
         set_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests);
 }
diff --git a/include/linux/math64.h b/include/linux/math64.h
index c1a5f81501ff..c87f1528703a 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -81,4 +81,25 @@ static inline s64 div_s64(s64 dividend, s32 divisor)
 }
 #endif
 
+u32 iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder);
+
+static __always_inline u32
+__iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder)
+{
+        u32 ret = 0;
+
+        while (dividend >= divisor) {
+                /* The following asm() prevents the compiler from
+                   optimising this loop into a modulo operation.  */
+                asm("" : "+rm"(dividend));
+
+                dividend -= divisor;
+                ret++;
+        }
+
+        *remainder = dividend;
+
+        return ret;
+}
+
 #endif /* _LINUX_MATH64_H */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index c31a9cd2a30e..586a943cab01 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -760,16 +760,17 @@ unsigned long unmap_vmas(struct mmu_gather **tlb,
  * (see walk_page_range for more details)
  */
 struct mm_walk {
-        int (*pgd_entry)(pgd_t *, unsigned long, unsigned long, void *);
-        int (*pud_entry)(pud_t *, unsigned long, unsigned long, void *);
-        int (*pmd_entry)(pmd_t *, unsigned long, unsigned long, void *);
-        int (*pte_entry)(pte_t *, unsigned long, unsigned long, void *);
-        int (*pte_hole)(unsigned long, unsigned long, void *);
+        int (*pgd_entry)(pgd_t *, unsigned long, unsigned long, struct mm_walk *);
+        int (*pud_entry)(pud_t *, unsigned long, unsigned long, struct mm_walk *);
+        int (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *);
+        int (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *);
+        int (*pte_hole)(unsigned long, unsigned long, struct mm_walk *);
+        struct mm_struct *mm;
+        void *private;
 };
 
-int walk_page_range(const struct mm_struct *, unsigned long addr,
-                    unsigned long end, const struct mm_walk *walk,
-                    void *private);
+int walk_page_range(unsigned long addr, unsigned long end,
+                struct mm_walk *walk);
 void free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
                 unsigned long end, unsigned long floor, unsigned long ceiling);
 void free_pgtables(struct mmu_gather **tlb, struct vm_area_struct *start_vma,
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 509159bcd4e7..d18b1dd49fab 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -206,6 +206,7 @@ struct pci_dev {
         struct bin_attribute *rom_attr; /* attribute descriptor for sysfs ROM entry */
         int rom_attr_enabled;           /* has display of the rom attribute been enabled? */
         struct bin_attribute *res_attr[DEVICE_COUNT_RESOURCE]; /* sysfs file for resources */
+        struct bin_attribute *res_attr_wc[DEVICE_COUNT_RESOURCE]; /* sysfs file for WC mapping of resources */
 #ifdef CONFIG_PCI_MSI
         struct list_head msi_list;
 #endif
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 9b940e644179..eafc9d6d2b35 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -716,6 +716,7 @@
 #define PCI_DEVICE_ID_HP_CISSA          0x3220
 #define PCI_DEVICE_ID_HP_CISSC          0x3230
 #define PCI_DEVICE_ID_HP_CISSD          0x3238
+#define PCI_DEVICE_ID_HP_CISSE          0x323a
 #define PCI_DEVICE_ID_HP_ZX2_IOC        0x4031
 
 #define PCI_VENDOR_ID_PCTECH            0x1042
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 9883bc942262..fff1d27ddb4c 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -9,6 +9,8 @@
 
 struct net;
 struct completion;
+struct mm_struct;
+
 /*
  * The proc filesystem constants/structures
  */
@@ -101,8 +103,6 @@ extern spinlock_t proc_subdir_lock;
 extern void proc_root_init(void);
 extern void proc_misc_init(void);
 
-struct mm_struct;
-
 void proc_flush_task(struct task_struct *task);
 struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *);
 int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir);
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index a2aec2c0cfb5..b358c704d102 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -246,6 +246,7 @@ enum rt_class_t
 {
         RT_TABLE_UNSPEC=0,
 /* User defined values */
+        RT_TABLE_COMPAT=252,
         RT_TABLE_DEFAULT=253,
         RT_TABLE_MAIN=254,
         RT_TABLE_LOCAL=255,
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ae0be3c62375..c5d3f847ca8d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2026,6 +2026,19 @@ static inline int fatal_signal_pending(struct task_struct *p)
         return signal_pending(p) && __fatal_signal_pending(p);
 }
 
+static inline int signal_pending_state(long state, struct task_struct *p)
+{
+        if (!(state & (TASK_INTERRUPTIBLE | TASK_WAKEKILL)))
+                return 0;
+        if (!signal_pending(p))
+                return 0;
+
+        if (state & (__TASK_STOPPED | __TASK_TRACED))
+                return 0;
+
+        return (state & TASK_INTERRUPTIBLE) || __fatal_signal_pending(p);
+}
+
 static inline int need_resched(void)
 {
         return unlikely(test_thread_flag(TIF_NEED_RESCHED));
diff --git a/include/linux/ssb/ssb_driver_gige.h b/include/linux/ssb/ssb_driver_gige.h
index 01fbdf5fef22..942e38736901 100644
--- a/include/linux/ssb/ssb_driver_gige.h
+++ b/include/linux/ssb/ssb_driver_gige.h
@@ -100,7 +100,7 @@ extern char * nvram_get(const char *name);
 /* Get the device MAC address */
 static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr)
 {
-#ifdef CONFIG_BCM947XX
+#ifdef CONFIG_BCM47XX
         char *res = nvram_get("et0macaddr");
         if (res)
                 memcpy(macaddr, res, 6);
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 18e62e3d406f..b31b6b74aa28 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -239,11 +239,6 @@ static inline struct tcp_request_sock *tcp_rsk(const struct request_sock *req)
         return (struct tcp_request_sock *)req;
 }
 
-struct tcp_deferred_accept_info {
-        struct sock *listen_sk;
-        struct request_sock *request;
-};
-
 struct tcp_sock {
         /* inet_connection_sock has to be the first member of tcp_sock */
         struct inet_connection_sock     inet_conn;
@@ -379,8 +374,6 @@ struct tcp_sock {
         unsigned int            keepalive_intvl;  /* time interval between keep alive probes */
         int                     linger2;
 
-        struct tcp_deferred_accept_info defer_tcp_accept;
-
         unsigned long last_synq_overflow; 
 
         u32     tso_deferred;
diff --git a/include/linux/time.h b/include/linux/time.h
index d32ef0ad4c0a..e15206a7e82e 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -6,6 +6,7 @@
 #ifdef __KERNEL__
 # include <linux/cache.h>
 # include <linux/seqlock.h>
+# include <linux/math64.h>
 #endif
 
 #ifndef _STRUCT_TIMESPEC
@@ -169,18 +170,13 @@ extern struct timeval ns_to_timeval(const s64 nsec);
  * timespec_add_ns - Adds nanoseconds to a timespec
  * @a:          pointer to timespec to be incremented
  * @ns:         unsigned nanoseconds value to be added
+ *
+ * This must always be inlined because its used from the x86-64 vdso,
+ * which cannot call other kernel functions.
  */
-static inline void timespec_add_ns(struct timespec *a, u64 ns)
+static __always_inline void timespec_add_ns(struct timespec *a, u64 ns)
 {
-        ns += a->tv_nsec;
-        while(unlikely(ns >= NSEC_PER_SEC)) {
-                /* The following asm() prevents the compiler from
-                 * optimising this loop into a modulo operation.  */
-                asm("" : "+r"(ns));
-
-                ns -= NSEC_PER_SEC;
-                a->tv_sec++;
-        }
+        a->tv_sec += __iter_div_u64_rem(a->tv_nsec + ns, NSEC_PER_SEC, &ns);
         a->tv_nsec = ns;
 }
 #endif /* __KERNEL__ */
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 9405aa6cdf26..38c0571820fb 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -38,7 +38,7 @@ struct virtio_net_hdr
 #define VIRTIO_NET_HDR_GSO_ECN          0x80    // TCP has ECN set
         __u8 gso_type;
         __u16 hdr_len;          /* Ethernet + IP + tcp/udp hdrs */
-        __u16 gso_size;         /* Bytes to append to gso_hdr_len per frame */
+        __u16 gso_size;         /* Bytes to append to hdr_len per frame */
         __u16 csum_start;       /* Position to start checksumming from */
         __u16 csum_offset;      /* Offset after that to place checksum */
 };
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index a42cd63d241a..9fabe5b38912 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -197,4 +197,14 @@ static inline int inet_iif(const struct sk_buff *skb)
         return skb->rtable->rt_iif;
 }
 
+static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops)
+{
+        struct request_sock *req = reqsk_alloc(ops);
+
+        if (req != NULL)
+                inet_rsk(req)->opt = NULL;
+
+        return req;
+}
+
 #endif  /* _INET_SOCK_H */
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index b220b5f624de..0c96e7bed5db 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -115,8 +115,8 @@ struct request_sock_queue {
         struct request_sock     *rskq_accept_head;
         struct request_sock     *rskq_accept_tail;
         rwlock_t                syn_wait_lock;
-        u16                     rskq_defer_accept;
-        /* 2 bytes hole, try to pack */
+        u8                      rskq_defer_accept;
+        /* 3 bytes hole, try to pack */
         struct listen_sock      *listen_opt;
 };
 
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 633147cb6bbc..cf54034019d9 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -139,7 +139,6 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define MAX_TCP_KEEPINTVL       32767
 #define MAX_TCP_KEEPCNT         127
 #define MAX_TCP_SYNCNT          127
-#define MAX_TCP_ACCEPT_DEFERRED 65535
 
 #define TCP_SYNQ_INTERVAL       (HZ/5)  /* Period of SYNACK timer */
 
@@ -433,7 +432,6 @@ extern struct sk_buff *		tcp_make_synack(struct sock *sk,
 
 extern int                      tcp_disconnect(struct sock *sk, int flags);
 
-extern void                     tcp_unhash(struct sock *sk);
 
 /* From syncookies.c */
 extern __u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS];