Merge branch 'master'

8 files changed, 90 insertions, 66 deletions

diff --git a/include/asm-arm/arch-pxa/pxafb.h b/include/asm-arm/arch-pxa/pxafb.h
index 21c0e16dce5..aba9b30f424 100644
--- a/include/asm-arm/arch-pxa/pxafb.h
+++ b/include/asm-arm/arch-pxa/pxafb.h
@@ -66,4 +66,5 @@ struct pxafb_mach_info {
 
 };
 void set_pxa_fb_info(struct pxafb_mach_info *hard_pxa_fb_info);
+void set_pxa_fb_parent(struct device *parent_dev);
 unsigned long pxafb_get_hsync_time(struct device *dev);
diff --git a/include/asm-arm/arch-s3c2410/io.h b/include/asm-arm/arch-s3c2410/io.h
index 418233a7ee6..4bf272ed9ad 100644
--- a/include/asm-arm/arch-s3c2410/io.h
+++ b/include/asm-arm/arch-s3c2410/io.h
@@ -9,7 +9,7 @@
  *  06-Dec-1997	RMK	Created.
  *  02-Sep-2003 BJD	Modified for S3C2410
  *  10-Mar-2005 LCVR	Changed S3C2410_VA to S3C24XX_VA
- *
+ *  13-Oct-2005 BJD	Fixed problems with LDRH/STRH offset range
  */
 
 #ifndef __ASM_ARM_ARCH_IO_H
@@ -97,7 +97,7 @@ DECLARE_IO(int,l,"")
 	else								\
 		__asm__ __volatile__(					\
 		"strb	%0, [%1, #0]	@ outbc"			\
-		: : "r" (value), "r" ((port)));		\
+		: : "r" (value), "r" ((port)));				\
 })
 
 #define __inbc(port)							\
@@ -110,35 +110,61 @@ DECLARE_IO(int,l,"")
 	else								\
 		__asm__ __volatile__(					\
 		"ldrb	%0, [%1, #0]	@ inbc"				\
-		: "=r" (result) : "r" ((port)));	\
+		: "=r" (result) : "r" ((port)));			\
 	result;								\
 })
 
 #define __outwc(value,port)						\
 ({									\
 	unsigned long v = value;					\
-	if (__PORT_PCIO((port)))					\
-		__asm__ __volatile__(					\
-		"strh	%0, [%1, %2]	@ outwc"			\
-		: : "r" (v), "r" (PCIO_BASE), "Jr" ((port)));	\
-	else								\
+	if (__PORT_PCIO((port))) {					\
+		if ((port) < 256 && (port) > -256)			\
+			__asm__ __volatile__(				\
+			"strh	%0, [%1, %2]	@ outwc"		\
+			: : "r" (v), "r" (PCIO_BASE), "Jr" ((port)));	\
+		else if ((port) > 0)					\
+			__asm__ __volatile__(				\
+			"strh	%0, [%1, %2]	@ outwc"		\
+			: : "r" (v),					\
+			    "r" (PCIO_BASE + ((port) & ~0xff)),		\
+			     "Jr" (((port) & 0xff)));			\
+		else							\
+			__asm__ __volatile__(				\
+			"strh	%0, [%1, #0]	@ outwc"		\
+			: : "r" (v),					\
+			    "r" (PCIO_BASE + (port)));			\
+	} else								\
 		__asm__ __volatile__(					\
 		"strh	%0, [%1, #0]	@ outwc"			\
-		: : "r" (v), "r" ((port)));	\
+		: : "r" (v), "r" ((port)));				\
 })
 
 #define __inwc(port)							\
 ({									\
 	unsigned short result;						\
-	if (__PORT_PCIO((port)))					\
-		__asm__ __volatile__(					\
-		"ldrh	%0, [%1, %2]	@ inwc"				\
-		: "=r" (result) : "r" (PCIO_BASE), "Jr" ((port)));	\
-	else								\
+	if (__PORT_PCIO((port))) {					\
+		if ((port) < 256 && (port) > -256 )			\
+			__asm__ __volatile__(				\
+			"ldrh	%0, [%1, %2]	@ inwc"			\
+			: "=r" (result)					\
+			: "r" (PCIO_BASE),				\
+			  "Jr" ((port)));				\
+		else if ((port) > 0)					\
+			__asm__ __volatile__(				\
+			"ldrh	%0, [%1, %2]	@ inwc"			\
+			: "=r" (result)					\
+			: "r" (PCIO_BASE + ((port) & ~0xff)),		\
+			  "Jr" (((port) & 0xff)));			\
+		else							\
+			__asm__ __volatile__(				\
+			"ldrh	%0, [%1, #0]	@ inwc"			\
+			: "=r" (result)					\
+			: "r" (PCIO_BASE + ((port))));			\
+	} else								\
 		__asm__ __volatile__(					\
 		"ldrh	%0, [%1, #0]	@ inwc"				\
-		: "=r" (result) : "r" ((port)));		\
-	result;						\
+		: "=r" (result) : "r" ((port)));			\
+	result;								\
 })
 
 #define __outlc(value,port)						\
diff --git a/include/asm-sparc64/pbm.h b/include/asm-sparc64/pbm.h
index 38bbbccb406..dd35a2c7798 100644
--- a/include/asm-sparc64/pbm.h
+++ b/include/asm-sparc64/pbm.h
@@ -27,23 +27,27 @@
  * PCI bus.
  */
 
-#define PBM_LOGCLUSTERS 3
-#define PBM_NCLUSTERS (1 << PBM_LOGCLUSTERS)
-
 struct pci_controller_info;
 
 /* This contains the software state necessary to drive a PCI
  * controller's IOMMU.
  */
+struct pci_iommu_arena {
+	unsigned long	*map;
+	unsigned int	hint;
+	unsigned int	limit;
+};
+
 struct pci_iommu {
 	/* This protects the controller's IOMMU and all
 	 * streaming buffers underneath.
 	 */
 	spinlock_t	lock;
 
+	struct pci_iommu_arena arena;
+
 	/* IOMMU page table, a linear array of ioptes. */
 	iopte_t		*page_table;		/* The page table itself. */
-	int		page_table_sz_bits;	/* log2 of ow many pages does it map? */
 
 	/* Base PCI memory space address where IOMMU mappings
 	 * begin.
@@ -62,12 +66,6 @@ struct pci_iommu {
 	 */
 	unsigned long	write_complete_reg;
 
-	/* The lowest used consistent mapping entry.  Since
-	 * we allocate consistent maps out of cluster 0 this
-	 * is relative to the beginning of closter 0.
-	 */
-	u32		lowest_consistent_map;
-
 	/* In order to deal with some buggy third-party PCI bridges that
 	 * do wrong prefetching, we never mark valid mappings as invalid.
 	 * Instead we point them at this dummy page.
@@ -75,16 +73,6 @@ struct pci_iommu {
 	unsigned long	dummy_page;
 	unsigned long	dummy_page_pa;
 
-	/* If PBM_NCLUSTERS is ever decreased to 4 or lower,
-	 * or if largest supported page_table_sz * 8K goes above
-	 * 2GB, you must increase the size of the type of
-	 * these counters.  You have been duly warned. -DaveM
-	 */
-	struct {
-		u16	next;
-		u16	flush;
-	} alloc_info[PBM_NCLUSTERS];
-
 	/* CTX allocation. */
 	unsigned long ctx_lowest_free;
 	unsigned long ctx_bitmap[IOMMU_NUM_CTXS / (sizeof(unsigned long) * 8)];
@@ -102,7 +90,7 @@ struct pci_iommu {
 	u32 dma_addr_mask;
 };
 
-extern void pci_iommu_table_init(struct pci_iommu *, int);
+extern void pci_iommu_table_init(struct pci_iommu *iommu, int tsbsize, u32 dma_offset, u32 dma_addr_mask);
 
 /* This describes a PCI bus module's streaming buffer. */
 struct pci_strbuf {
diff --git a/include/linux/acct.h b/include/linux/acct.h
index 1993a369176..19f70462b3b 100644
--- a/include/linux/acct.h
+++ b/include/linux/acct.h
@@ -162,13 +162,13 @@ typedef struct acct acct_t;
 #ifdef __KERNEL__
 /*
  * Yet another set of HZ to *HZ helper functions.
- * See <linux/times.h> for the original.
+ * See <linux/jiffies.h> for the original.
  */
 
 static inline u32 jiffies_to_AHZ(unsigned long x)
 {
 #if (TICK_NSEC % (NSEC_PER_SEC / AHZ)) == 0
-	return x / (HZ / USER_HZ);
+	return x / (HZ / AHZ);
 #else
         u64 tmp = (u64)x * TICK_NSEC;
         do_div(tmp, (NSEC_PER_SEC / AHZ));
diff --git a/include/linux/aio.h b/include/linux/aio.h
index 60def658b24..0decf66117c 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -24,7 +24,12 @@ struct kioctx;
 #define KIOCB_SYNC_KEY		(~0U)
 
 /* ki_flags bits */
-#define KIF_LOCKED		0
+/*
+ * This may be used for cancel/retry serialization in the future, but
+ * for now it's unused and we probably don't want modules to even
+ * think they can use it.
+ */
+/* #define KIF_LOCKED		0 */
 #define KIF_KICKED		1
 #define KIF_CANCELLED		2
 
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index fe9778301d0..9bdba8169b4 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -393,15 +393,13 @@ extern cpumask_t cpu_present_map;
 #define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map)
 
 /* Find the highest possible smp_processor_id() */
-static inline unsigned int highest_possible_processor_id(void)
-{
-	unsigned int cpu, highest = 0;
-
-	for_each_cpu_mask(cpu, cpu_possible_map)
-		highest = cpu;
-
-	return highest;
-}
+#define highest_possible_processor_id() \
+({ \
+	unsigned int cpu, highest = 0; \
+	for_each_cpu_mask(cpu, cpu_possible_map) \
+		highest = cpu; \
+	highest; \
+})
 
 
 #endif /* __LINUX_CPUMASK_H */
diff --git a/include/linux/list.h b/include/linux/list.h
index e6ec5968227..084971f333f 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -442,12 +442,14 @@ static inline void list_splice_init(struct list_head *list,
  * as long as the traversal is guarded by rcu_read_lock().
  */
 #define list_for_each_rcu(pos, head) \
-	for (pos = (head)->next; prefetch(pos->next), pos != (head); \
-        	pos = rcu_dereference(pos->next))
+	for (pos = (head)->next; \
+		prefetch(rcu_dereference(pos)->next), pos != (head); \
+        	pos = pos->next)
 
 #define __list_for_each_rcu(pos, head) \
-	for (pos = (head)->next; pos != (head); \
-        	pos = rcu_dereference(pos->next))
+	for (pos = (head)->next; \
+		rcu_dereference(pos) != (head); \
+        	pos = pos->next)
 
 /**
  * list_for_each_safe_rcu	-	iterate over an rcu-protected list safe
@@ -461,8 +463,9 @@ static inline void list_splice_init(struct list_head *list,
  * as long as the traversal is guarded by rcu_read_lock().
  */
 #define list_for_each_safe_rcu(pos, n, head) \
-	for (pos = (head)->next, n = pos->next; pos != (head); \
-		pos = rcu_dereference(n), n = pos->next)
+	for (pos = (head)->next; \
+		n = rcu_dereference(pos)->next, pos != (head); \
+		pos = n)
 
 /**
  * list_for_each_entry_rcu	-	iterate over rcu list of given type
@@ -474,11 +477,11 @@ static inline void list_splice_init(struct list_head *list,
  * the _rcu list-mutation primitives such as list_add_rcu()
  * as long as the traversal is guarded by rcu_read_lock().
  */
-#define list_for_each_entry_rcu(pos, head, member)			\
-	for (pos = list_entry((head)->next, typeof(*pos), member);	\
-	     prefetch(pos->member.next), &pos->member != (head); 	\
-	     pos = rcu_dereference(list_entry(pos->member.next, 	\
-					typeof(*pos), member)))
+#define list_for_each_entry_rcu(pos, head, member) \
+	for (pos = list_entry((head)->next, typeof(*pos), member); \
+		prefetch(rcu_dereference(pos)->member.next), \
+			&pos->member != (head); \
+		pos = list_entry(pos->member.next, typeof(*pos), member))
 
 
 /**
@@ -492,8 +495,9 @@ static inline void list_splice_init(struct list_head *list,
  * as long as the traversal is guarded by rcu_read_lock().
  */
 #define list_for_each_continue_rcu(pos, head) \
-	for ((pos) = (pos)->next; prefetch((pos)->next), (pos) != (head); \
-        	(pos) = rcu_dereference((pos)->next))
+	for ((pos) = (pos)->next; \
+		prefetch(rcu_dereference((pos))->next), (pos) != (head); \
+        	(pos) = (pos)->next)
 
 /*
  * Double linked lists with a single pointer list head.
@@ -696,8 +700,9 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
 	     pos = n)
 
 #define hlist_for_each_rcu(pos, head) \
-	for ((pos) = (head)->first; pos && ({ prefetch((pos)->next); 1; }); \
-		(pos) = rcu_dereference((pos)->next))
+	for ((pos) = (head)->first; \
+		rcu_dereference((pos)) && ({ prefetch((pos)->next); 1; }); \
+		(pos) = (pos)->next)
 
 /**
  * hlist_for_each_entry	- iterate over list of given type
@@ -762,9 +767,9 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
  */
 #define hlist_for_each_entry_rcu(tpos, pos, head, member)		 \
 	for (pos = (head)->first;					 \
-	     pos && ({ prefetch(pos->next); 1;}) &&			 \
+	     rcu_dereference(pos) && ({ prefetch(pos->next); 1;}) &&	 \
 		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
-	     pos = rcu_dereference(pos->next))
+	     pos = pos->next)
 
 #else
 #warning "don't include kernel headers in userspace"
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 4e65eb44adf..70191a5a148 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -94,6 +94,7 @@ struct rcu_data {
 	long  	       	batch;           /* Batch # for current RCU batch */
 	struct rcu_head *nxtlist;
 	struct rcu_head **nxttail;
+	long            count; /* # of queued items */
 	struct rcu_head *curlist;
 	struct rcu_head **curtail;
 	struct rcu_head *donelist;