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 21c0e16dce5f..aba9b30f4249 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 418233a7ee6f..4bf272ed9add 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 38bbbccb4068..dd35a2c7798a 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 1993a3691768..19f70462b3be 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 60def658b246..0decf66117c1 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 fe9778301d07..9bdba8169b41 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 e6ec59682274..084971f333fe 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 4e65eb44adfd..70191a5a148f 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;