Merge branch 'upstream' into irq-pio

12 files changed, 60 insertions, 15 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 8d2db412ba9..a8bef1d1371 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1220,7 +1220,6 @@ typedef struct ide_pci_enablebit_s {
 enum {
 	/* Uses ISA control ports not PCI ones. */
 	IDEPCI_FLAG_ISA_PORTS		= (1 << 0),
-	IDEPCI_FLAG_FORCE_PDC		= (1 << 1),
 };
 
 typedef struct ide_pci_device_s {
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 4ca3e6ad03e..91120638617 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -99,10 +99,7 @@ static inline int __remove_pages(struct zone *zone, unsigned long start_pfn,
 	return -ENOSYS;
 }
 
-#if defined(CONFIG_MEMORY_HOTPLUG) || defined(CONFIG_ACPI_HOTPLUG_MEMORY) \
-	|| defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)
 extern int add_memory(u64 start, u64 size);
 extern int remove_memory(u64 start, u64 size);
-#endif
 
 #endif /* __LINUX_MEMORY_HOTPLUG_H */
diff --git a/include/linux/mv643xx.h b/include/linux/mv643xx.h
index 955d3069d72..edfa012fad3 100644
--- a/include/linux/mv643xx.h
+++ b/include/linux/mv643xx.h
@@ -13,7 +13,7 @@
 #ifndef __ASM_MV643XX_H
 #define __ASM_MV643XX_H
 
-#ifdef __MIPS__
+#ifdef __mips__
 #include <asm/addrspace.h>
 #include <asm/marvell.h>
 #endif
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 40ccf8cc423..01db7b88a2b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -829,19 +829,21 @@ static inline void netif_rx_schedule(struct net_device *dev)
 		__netif_rx_schedule(dev);
 }
 
-/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete().
- * Do not inline this?
- */
+
+static inline void  __netif_rx_reschedule(struct net_device *dev, int undo)
+{
+	dev->quota += undo;
+	list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
+	__raise_softirq_irqoff(NET_RX_SOFTIRQ);
+}
+
+/* Try to reschedule poll. Called by dev->poll() after netif_rx_complete(). */
 static inline int netif_rx_reschedule(struct net_device *dev, int undo)
 {
 	if (netif_rx_schedule_prep(dev)) {
 		unsigned long flags;
-
-		dev->quota += undo;
-
 		local_irq_save(flags);
-		list_add_tail(&dev->poll_list, &__get_cpu_var(softnet_data).poll_list);
-		__raise_softirq_irqoff(NET_RX_SOFTIRQ);
+		__netif_rx_reschedule(dev, undo);
 		local_irq_restore(flags);
 		return 1;
 	}
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index f6bdef82a32..38701454e19 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -361,7 +361,11 @@ struct compat_xt_entry_target
 
 struct compat_xt_counters
 {
+#if defined(CONFIG_X86_64) || defined(CONFIG_IA64)
 	u_int32_t cnt[4];
+#else
+	u_int64_t cnt[2];
+#endif
 };
 
 struct compat_xt_counters_info
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 8d03e10212f..d6fe048376a 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -356,6 +356,10 @@
 #define PCI_DEVICE_ID_ATI_IXP300_SATA   0x436e
 #define PCI_DEVICE_ID_ATI_IXP400_IDE	0x4376
 #define PCI_DEVICE_ID_ATI_IXP400_SATA   0x4379
+#define PCI_DEVICE_ID_ATI_IXP400_SATA2	0x437a
+#define PCI_DEVICE_ID_ATI_IXP600_SATA	0x4380
+#define PCI_DEVICE_ID_ATI_IXP600_SRAID	0x4381
+#define PCI_DEVICE_ID_ATI_IXP600_IDE	0x438c
 
 #define PCI_VENDOR_ID_VLSI		0x1004
 #define PCI_DEVICE_ID_VLSI_82C592	0x0005
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index ef7f33c0be1..0008d4bd405 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -61,4 +61,21 @@ void __free_pipe_info(struct pipe_inode_info *);
 				 /* from/to, of course */
 #define SPLICE_F_MORE	(0x04)	/* expect more data */
 
+/*
+ * Passed to the actors
+ */
+struct splice_desc {
+	unsigned int len, total_len;	/* current and remaining length */
+	unsigned int flags;		/* splice flags */
+	struct file *file;		/* file to read/write */
+	loff_t pos;			/* file position */
+};
+
+typedef int (splice_actor)(struct pipe_inode_info *, struct pipe_buffer *,
+			   struct splice_desc *);
+
+extern ssize_t splice_from_pipe(struct pipe_inode_info *, struct file *,
+				loff_t *, size_t, unsigned int,
+				splice_actor *);
+
 #endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index b7d31e2e172..29b7d4f87d2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1192,8 +1192,7 @@ extern void wait_task_inactive(task_t * p);
 #define remove_parent(p)	list_del_init(&(p)->sibling)
 #define add_parent(p)		list_add_tail(&(p)->sibling,&(p)->parent->children)
 
-#define next_task(p)	list_entry((p)->tasks.next, struct task_struct, tasks)
-#define prev_task(p)	list_entry((p)->tasks.prev, struct task_struct, tasks)
+#define next_task(p)	list_entry(rcu_dereference((p)->tasks.next), struct task_struct, tasks)
 
 #define for_each_process(p) \
 	for (p = &init_task ; (p = next_task(p)) != &init_task ; )
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index c4619a428d9..f8f234708b9 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -344,6 +344,13 @@ 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)
+{
+	if (unlikely((int)skb->truesize < sizeof(struct sk_buff) + skb->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/sunrpc/metrics.h b/include/linux/sunrpc/metrics.h
index 8f96e9dc369..77f78e56c48 100644
--- a/include/linux/sunrpc/metrics.h
+++ b/include/linux/sunrpc/metrics.h
@@ -69,9 +69,21 @@ struct rpc_clnt;
 /*
  * EXPORTed functions for managing rpc_iostats structures
  */
+
+#ifdef CONFIG_PROC_FS
+
 struct rpc_iostats *	rpc_alloc_iostats(struct rpc_clnt *);
 void			rpc_count_iostats(struct rpc_task *);
 void			rpc_print_iostats(struct seq_file *, struct rpc_clnt *);
 void			rpc_free_iostats(struct rpc_iostats *);
 
+#else  /*  CONFIG_PROC_FS  */
+
+static inline struct rpc_iostats *rpc_alloc_iostats(struct rpc_clnt *clnt) { return NULL; }
+static inline void rpc_count_iostats(struct rpc_task *task) {}
+static inline void rpc_print_iostats(struct seq_file *seq, struct rpc_clnt *clnt) {}
+static inline void rpc_free_iostats(struct rpc_iostats *stats) {}
+
+#endif  /*  CONFIG_PROC_FS  */
+
 #endif /* _LINUX_SUNRPC_METRICS_H */
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 7eebbab7160..e8bbe8118de 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -53,6 +53,7 @@ struct rpc_timeout {
 
 struct rpc_task;
 struct rpc_xprt;
+struct seq_file;
 
 /*
  * This describes a complete RPC request
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index d3ebc0e68b2..3996960fc56 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -574,6 +574,9 @@ asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
 			   int fd_out, loff_t __user *off_out,
 			   size_t len, unsigned int flags);
 
+asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
+			     unsigned long nr_segs, unsigned int flags);
+
 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
 
 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,