Merge branch 'linux-2.6'

22 files changed, 66 insertions, 49 deletions

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 9abf5a806c15..f30fa92a44a1 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -153,6 +153,7 @@ header-y += toshiba.h
 header-y += ultrasound.h
 header-y += un.h
 header-y += utime.h
+header-y += veth.h
 header-y += video_decoder.h
 header-y += video_encoder.h
 header-y += videotext.h
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 72ab80801ef6..e672e80202a8 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -554,8 +554,6 @@ static inline int ata_drive_40wire(const u16 *dev_id)
 
 static inline int ata_drive_40wire_relaxed(const u16 *dev_id)
 {
-        if (ata_id_is_sata(dev_id))
-                return 0;       /* SATA */
         if ((dev_id[93] & 0x2000) == 0x2000)
                 return 0;       /* 80 wire */
         return 1;
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index b79c57569367..92f2029a34f3 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -107,7 +107,6 @@ extern void unlock_cpu_hotplug(void);
 #define register_hotcpu_notifier(nb)    register_cpu_notifier(nb)
 #define unregister_hotcpu_notifier(nb)  unregister_cpu_notifier(nb)
 int cpu_down(unsigned int cpu);
-#define cpu_is_offline(cpu) unlikely(!cpu_online(cpu))
 
 #else           /* CONFIG_HOTPLUG_CPU */
 
@@ -122,9 +121,6 @@ static inline void cpuhotplug_mutex_unlock(struct mutex *cpu_hp_mutex)
 /* These aren't inline functions due to a GCC bug. */
 #define register_hotcpu_notifier(nb)    ({ (void)(nb); 0; })
 #define unregister_hotcpu_notifier(nb)  ({ (void)(nb); })
-
-/* CPUs don't go offline once they're online w/o CONFIG_HOTPLUG_CPU */
-static inline int cpu_is_offline(int cpu) { return 0; }
 #endif          /* CONFIG_HOTPLUG_CPU */
 
 #ifdef CONFIG_PM_SLEEP_SMP
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 23f55140ccd5..85bd790c201e 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -397,6 +397,8 @@ extern cpumask_t cpu_present_map;
 #define cpu_present(cpu)        ((cpu) == 0)
 #endif
 
+#define cpu_is_offline(cpu)     unlikely(!cpu_online(cpu))
+
 #ifdef CONFIG_SMP
 extern int nr_cpu_ids;
 #define any_online_cpu(mask) __any_online_cpu(&(mask))
diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h
index 88c81403eb3f..e18017d45758 100644
--- a/include/linux/i2c-id.h
+++ b/include/linux/i2c-id.h
@@ -23,6 +23,10 @@
 #ifndef LINUX_I2C_ID_H
 #define LINUX_I2C_ID_H
 
+/* Please note that I2C driver IDs are optional. They are only needed if a
+   legacy chip driver needs to identify a bus or a bus driver needs to
+   identify a legacy client. If you don't need them, just don't set them. */
+
 /*
  * ---- Driver types -----------------------------------------------------
  */
diff --git a/include/linux/key.h b/include/linux/key.h
index fcdbd5ed227b..a70b8a8f2005 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -290,7 +290,7 @@ extern void key_init(void);
 #define key_get(k)                      ({ NULL; })
 #define key_put(k)                      do { } while(0)
 #define key_ref_put(k)                  do { } while(0)
-#define make_key_ref(k)                 ({ NULL; })
+#define make_key_ref(k, p)                      ({ NULL; })
 #define key_ref_to_ptr(k)               ({ NULL; })
 #define is_key_possessed(k)             0
 #define alloc_uid_keyring(u,c)          0
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1e6af4f174b6..b0813c3286b1 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -319,21 +319,29 @@ struct napi_struct {
 enum
 {
         NAPI_STATE_SCHED,       /* Poll is scheduled */
+        NAPI_STATE_DISABLE,     /* Disable pending */
 };
 
 extern void FASTCALL(__napi_schedule(struct napi_struct *n));
 
+static inline int napi_disable_pending(struct napi_struct *n)
+{
+        return test_bit(NAPI_STATE_DISABLE, &n->state);
+}
+
 /**
  *      napi_schedule_prep - check if napi can be scheduled
  *      @n: napi context
  *
  * Test if NAPI routine is already running, and if not mark
  * it as running.  This is used as a condition variable
- * insure only one NAPI poll instance runs
+ * insure only one NAPI poll instance runs.  We also make
+ * sure there is no pending NAPI disable.
  */
 static inline int napi_schedule_prep(struct napi_struct *n)
 {
-        return !test_and_set_bit(NAPI_STATE_SCHED, &n->state);
+        return !napi_disable_pending(n) &&
+                !test_and_set_bit(NAPI_STATE_SCHED, &n->state);
 }
 
 /**
@@ -389,8 +397,10 @@ static inline void napi_complete(struct napi_struct *n)
  */
 static inline void napi_disable(struct napi_struct *n)
 {
+        set_bit(NAPI_STATE_DISABLE, &n->state);
         while (test_and_set_bit(NAPI_STATE_SCHED, &n->state))
                 msleep(1);
+        clear_bit(NAPI_STATE_DISABLE, &n->state);
 }
 
 /**
@@ -1268,7 +1278,7 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits)
 static inline int netif_rx_schedule_prep(struct net_device *dev,
                                          struct napi_struct *napi)
 {
-        return netif_running(dev) && napi_schedule_prep(napi);
+        return napi_schedule_prep(napi);
 }
 
 /* Add interface to tail of rx poll list. This assumes that _prep has
@@ -1277,7 +1287,6 @@ static inline int netif_rx_schedule_prep(struct net_device *dev,
 static inline void __netif_rx_schedule(struct net_device *dev,
                                        struct napi_struct *napi)
 {
-        dev_hold(dev);
         __napi_schedule(napi);
 }
 
@@ -1308,7 +1317,6 @@ static inline void __netif_rx_complete(struct net_device *dev,
                                        struct napi_struct *napi)
 {
         __napi_complete(napi);
-        dev_put(dev);
 }
 
 /* Remove interface from poll list: it must be in the poll list
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 023656d2f1da..7f2215139e9a 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2322,6 +2322,8 @@
 #define PCI_DEVICE_ID_INTEL_ICH9_4      0x2914
 #define PCI_DEVICE_ID_INTEL_ICH9_5      0x2919
 #define PCI_DEVICE_ID_INTEL_ICH9_6      0x2930
+#define PCI_DEVICE_ID_INTEL_ICH9_7      0x2916
+#define PCI_DEVICE_ID_INTEL_ICH9_8      0x2918
 #define PCI_DEVICE_ID_INTEL_82855PM_HB  0x3340
 #define PCI_DEVICE_ID_INTEL_82830_HB    0x3575
 #define PCI_DEVICE_ID_INTEL_82830_CGC   0x3577
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 09a309b7b5d2..b78e0295adf4 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -246,6 +246,15 @@ static inline int call_platform_enable_wakeup(struct device *dev, int is_on)
                 device_set_wakeup_enable(dev,val); \
         } while(0)
 
+/*
+ * Global Power Management flags
+ * Used to keep APM and ACPI from both being active
+ */
+extern unsigned int     pm_flags;
+
+#define PM_APM  1
+#define PM_ACPI 2
+
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_PM_H */
diff --git a/include/linux/pm_legacy.h b/include/linux/pm_legacy.h
index 514729a44688..446f4f42b952 100644
--- a/include/linux/pm_legacy.h
+++ b/include/linux/pm_legacy.h
@@ -4,10 +4,6 @@
 
 #ifdef CONFIG_PM_LEGACY
 
-extern int pm_active;
-
-#define PM_IS_ACTIVE() (pm_active != 0)
-
 /*
  * Register a device with power management
  */
@@ -21,8 +17,6 @@ int __deprecated pm_send_all(pm_request_t rqst, void *data);
 
 #else /* CONFIG_PM_LEGACY */
 
-#define PM_IS_ACTIVE() 0
-
 static inline struct pm_dev *pm_register(pm_dev_t type,
                                          unsigned long id,
                                          pm_callback callback)
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 0a0426c2867d..2a6d62c7d2d1 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -13,7 +13,7 @@
 #include <linux/errno.h>
 #include <linux/mod_devicetable.h>
 
-#define PNP_MAX_PORT            24
+#define PNP_MAX_PORT            40
 #define PNP_MAX_MEM             12
 #define PNP_MAX_IRQ             2
 #define PNP_MAX_DMA             2
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index ae8146abd746..3ea5750a0f7e 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -97,6 +97,7 @@ extern void __ptrace_link(struct task_struct *child,
 extern void __ptrace_unlink(struct task_struct *child);
 extern void ptrace_untrace(struct task_struct *child);
 extern int ptrace_may_attach(struct task_struct *task);
+extern int __ptrace_may_attach(struct task_struct *task);
 
 static inline void ptrace_link(struct task_struct *child,
                                struct task_struct *new_parent)
diff --git a/include/linux/quicklist.h b/include/linux/quicklist.h
index 9371c6116df3..39b66713a0bb 100644
--- a/include/linux/quicklist.h
+++ b/include/linux/quicklist.h
@@ -56,14 +56,6 @@ static inline void __quicklist_free(int nr, void (*dtor)(void *), void *p,
         struct page *page)
 {
         struct quicklist *q;
-        int nid = page_to_nid(page);
-
-        if (unlikely(nid != numa_node_id())) {
-                if (dtor)
-                        dtor(p);
-                __free_page(page);
-                return;
-        }
 
         q = &get_cpu_var(quicklist)[nr];
         *(void **)p = q->page;
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index 416e000dfe81..e3ff21dbac53 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -191,8 +191,8 @@ static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents,
         /*
          * offset and length are unused for chain entry.  Clear them.
          */
-        prv->offset = 0;
-        prv->length = 0;
+        prv[prv_nents - 1].offset = 0;
+        prv[prv_nents - 1].length = 0;
 
         /*
          * Set lowest bit to indicate a link pointer, and make sure to clear
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ac3d496fbd20..cc14656f8682 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1255,13 +1255,6 @@ struct pid_namespace;
  *
  * set_task_vxid()   : assigns a virtual id to a task;
  *
- * task_ppid_nr_ns() : the parent's id as seen from the namespace specified.
- *                     the result depends on the namespace and whether the
- *                     task in question is the namespace's init. e.g. for the
- *                     namespace's init this will return 0 when called from
- *                     the namespace of this init, or appropriate id otherwise.
- *
- *
  * see also pid_nr() etc in include/linux/pid.h
  */
 
@@ -1317,12 +1310,6 @@ static inline pid_t task_session_vnr(struct task_struct *tsk)
 }
 
 
-static inline pid_t task_ppid_nr_ns(struct task_struct *tsk,
-                struct pid_namespace *ns)
-{
-        return pid_nr_ns(task_pid(rcu_dereference(tsk->real_parent)), ns);
-}
-
 /**
  * pid_alive - check that a task structure is not stale
  * @p: Task structure to be checked.
diff --git a/include/linux/slab.h b/include/linux/slab.h
index f3a8eecd99f3..f62caaad94e0 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -271,5 +271,10 @@ static inline void *kzalloc(size_t size, gfp_t flags)
         return kmalloc(size, flags | __GFP_ZERO);
 }
 
+#ifdef CONFIG_SLABINFO
+extern const struct seq_operations slabinfo_op;
+ssize_t slabinfo_write(struct file *, const char __user *, size_t, loff_t *);
+#endif
+
 #endif  /* __KERNEL__ */
 #endif  /* _LINUX_SLAB_H */
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 32bdc2ffd715..fcc48096ee64 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -95,7 +95,4 @@ found:
 
 #endif  /* CONFIG_NUMA */
 
-extern const struct seq_operations slabinfo_op;
-ssize_t slabinfo_write(struct file *, const char __user *, size_t, loff_t *);
-
 #endif  /* _LINUX_SLAB_DEF_H */
diff --git a/include/linux/tc_act/Kbuild b/include/linux/tc_act/Kbuild
index 78dfbac36375..6dac0d7365cc 100644
--- a/include/linux/tc_act/Kbuild
+++ b/include/linux/tc_act/Kbuild
@@ -2,3 +2,4 @@ header-y += tc_gact.h
 header-y += tc_ipt.h
 header-y += tc_mirred.h
 header-y += tc_pedit.h
+header-y += tc_nat.h
diff --git a/include/linux/tty.h b/include/linux/tty.h
index c555f5442bd7..defd2ab72449 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -319,6 +319,7 @@ extern speed_t tty_termios_input_baud_rate(struct ktermios *termios);
 extern void tty_termios_encode_baud_rate(struct ktermios *termios, speed_t ibaud, speed_t obaud);
 extern void tty_encode_baud_rate(struct tty_struct *tty, speed_t ibaud, speed_t obaud);
 extern void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old);
+extern int tty_termios_hw_change(struct ktermios *a, struct ktermios *b);
 
 extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *);
 extern void tty_ldisc_deref(struct tty_ldisc *);
diff --git a/include/linux/veth.h b/include/linux/veth.h
new file mode 100644
index 000000000000..3354c1eb424e
--- /dev/null
+++ b/include/linux/veth.h
@@ -0,0 +1,12 @@
+#ifndef __NET_VETH_H_
+#define __NET_VETH_H_
+
+enum {
+        VETH_INFO_UNSPEC,
+        VETH_INFO_PEER,
+
+        __VETH_INFO_MAX
+#define VETH_INFO_MAX   (__VETH_INFO_MAX - 1)
+};
+
+#endif
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 7daafdc2514b..7f28c32d9aca 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -149,19 +149,27 @@ struct execute_work {
 
 extern struct workqueue_struct *
 __create_workqueue_key(const char *name, int singlethread,
-                       int freezeable, struct lock_class_key *key);
+                       int freezeable, struct lock_class_key *key,
+                       const char *lock_name);
 
 #ifdef CONFIG_LOCKDEP
 #define __create_workqueue(name, singlethread, freezeable)      \
 ({                                                              \
         static struct lock_class_key __key;                     \
+        const char *__lock_name;                                \
+                                                                \
+        if (__builtin_constant_p(name))                         \
+                __lock_name = (name);                           \
+        else                                                    \
+                __lock_name = #name;                            \
                                                                 \
         __create_workqueue_key((name), (singlethread),          \
-                               (freezeable), &__key);           \
+                               (freezeable), &__key,            \
+                               __lock_name);                    \
 })
 #else
 #define __create_workqueue(name, singlethread, freezeable)      \
-        __create_workqueue_key((name), (singlethread), (freezeable), NULL)
+        __create_workqueue_key((name), (singlethread), (freezeable), NULL, NULL)
 #endif
 
 #define create_workqueue(name) __create_workqueue((name), 0, 0)
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index bef7d66601cb..c6148bbf1250 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -62,7 +62,6 @@ struct writeback_control {
         unsigned for_reclaim:1;         /* Invoked from the page allocator */
         unsigned for_writepages:1;      /* This is a writepages() call */
         unsigned range_cyclic:1;        /* range_start is cyclic */
-        unsigned more_io:1;             /* more io to be dispatched */
 };
 
 /*