Manual merge of for-linus to upstream (fix conflicts in drivers/infiniband/core/ucm.c)

12 files changed, 76 insertions, 20 deletions

diff --git a/include/asm-alpha/atomic.h b/include/asm-alpha/atomic.h
index 1b383e3cb68c..0b40bad00289 100644
--- a/include/asm-alpha/atomic.h
+++ b/include/asm-alpha/atomic.h
@@ -100,18 +100,19 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
 static __inline__ long atomic_add_return(int i, atomic_t * v)
 {
         long temp, result;
+        smp_mb();
         __asm__ __volatile__(
         "1:     ldl_l %0,%1\n"
         "       addl %0,%3,%2\n"
         "       addl %0,%3,%0\n"
         "       stl_c %0,%1\n"
         "       beq %0,2f\n"
-        "       mb\n"
         ".subsection 2\n"
         "2:     br 1b\n"
         ".previous"
         :"=&r" (temp), "=m" (v->counter), "=&r" (result)
         :"Ir" (i), "m" (v->counter) : "memory");
+        smp_mb();
         return result;
 }
 
@@ -120,54 +121,57 @@ static __inline__ long atomic_add_return(int i, atomic_t * v)
 static __inline__ long atomic64_add_return(long i, atomic64_t * v)
 {
         long temp, result;
+        smp_mb();
         __asm__ __volatile__(
         "1:     ldq_l %0,%1\n"
         "       addq %0,%3,%2\n"
         "       addq %0,%3,%0\n"
         "       stq_c %0,%1\n"
         "       beq %0,2f\n"
-        "       mb\n"
         ".subsection 2\n"
         "2:     br 1b\n"
         ".previous"
         :"=&r" (temp), "=m" (v->counter), "=&r" (result)
         :"Ir" (i), "m" (v->counter) : "memory");
+        smp_mb();
         return result;
 }
 
 static __inline__ long atomic_sub_return(int i, atomic_t * v)
 {
         long temp, result;
+        smp_mb();
         __asm__ __volatile__(
         "1:     ldl_l %0,%1\n"
         "       subl %0,%3,%2\n"
         "       subl %0,%3,%0\n"
         "       stl_c %0,%1\n"
         "       beq %0,2f\n"
-        "       mb\n"
         ".subsection 2\n"
         "2:     br 1b\n"
         ".previous"
         :"=&r" (temp), "=m" (v->counter), "=&r" (result)
         :"Ir" (i), "m" (v->counter) : "memory");
+        smp_mb();
         return result;
 }
 
 static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
 {
         long temp, result;
+        smp_mb();
         __asm__ __volatile__(
         "1:     ldq_l %0,%1\n"
         "       subq %0,%3,%2\n"
         "       subq %0,%3,%0\n"
         "       stq_c %0,%1\n"
         "       beq %0,2f\n"
-        "       mb\n"
         ".subsection 2\n"
         "2:     br 1b\n"
         ".previous"
         :"=&r" (temp), "=m" (v->counter), "=&r" (result)
         :"Ir" (i), "m" (v->counter) : "memory");
+        smp_mb();
         return result;
 }
 
diff --git a/include/asm-arm/arch-ixp4xx/entry-macro.S b/include/asm-arm/arch-ixp4xx/entry-macro.S
index 455da64832de..323b0bc4a39c 100644
--- a/include/asm-arm/arch-ixp4xx/entry-macro.S
+++ b/include/asm-arm/arch-ixp4xx/entry-macro.S
@@ -15,25 +15,26 @@
                 ldr     \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP_OFFSET)
                 ldr     \irqstat, [\irqstat]            @ get interrupts
                 cmp     \irqstat, #0
-                beq     1001f
+                beq     1001f                           @ upper IRQ?
                 clz     \irqnr, \irqstat
                 mov     \base, #31
-                subs    \irqnr, \base, \irqnr
+                sub     \irqnr, \base, \irqnr
+                b       1002f                           @ lower IRQ being
+                                                        @ handled
 
 1001:
                 /*
                  * IXP465 has an upper IRQ status register
                  */
 #if defined(CONFIG_CPU_IXP46X)
-                bne     1002f
                 ldr     \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP2_OFFSET)
                 ldr     \irqstat, [\irqstat]            @ get upper interrupts
                 mov     \irqnr, #63
                 clz     \irqstat, \irqstat
                 cmp     \irqstat, #32
                 subne   \irqnr, \irqnr, \irqstat
-1002:
 #endif
+1002:
                 .endm
 
 
diff --git a/include/asm-arm/arch-ixp4xx/hardware.h b/include/asm-arm/arch-ixp4xx/hardware.h
index 4ac964b9078a..55d85eea8c1a 100644
--- a/include/asm-arm/arch-ixp4xx/hardware.h
+++ b/include/asm-arm/arch-ixp4xx/hardware.h
@@ -27,7 +27,7 @@
 
 #define pcibios_assign_all_busses()     1
 
-#if defined(CONFIG_CPU_IXP465) && !defined(__ASSEMBLY__)
+#if defined(CONFIG_CPU_IXP46X) && !defined(__ASSEMBLY__)
 extern unsigned int processor_id;
 #define cpu_is_ixp465() ((processor_id & 0xffffffc0) == 0x69054200)
 #else
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index 13fa2deb4ddd..3af7165ab0d7 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -653,7 +653,7 @@
 
 #define UDCCS_IO_RFS    (1 << 0)        /* Receive FIFO service */
 #define UDCCS_IO_RPC    (1 << 1)        /* Receive packet complete */
-#define UDCCS_IO_ROF    (1 << 3)        /* Receive overflow */
+#define UDCCS_IO_ROF    (1 << 2)        /* Receive overflow */
 #define UDCCS_IO_DME    (1 << 3)        /* DMA enable */
 #define UDCCS_IO_RNE    (1 << 6)        /* Receive FIFO not empty */
 #define UDCCS_IO_RSP    (1 << 7)        /* Receive short packet */
diff --git a/include/asm-arm/arch-s3c2410/regs-clock.h b/include/asm-arm/arch-s3c2410/regs-clock.h
index 16f4c3cc1388..34360706e016 100644
--- a/include/asm-arm/arch-s3c2410/regs-clock.h
+++ b/include/asm-arm/arch-s3c2410/regs-clock.h
@@ -18,7 +18,9 @@
  *    10-Feb-2005 Ben Dooks         Fixed CAMDIVN address (Guillaume Gourat)
  *    10-Mar-2005 Lucas Villa Real  Changed S3C2410_VA to S3C24XX_VA
  *    27-Aug-2005 Ben Dooks         Add clock-slow info
- */
+ *    20-Oct-2005 Ben Dooks         Fixed overflow in PLL (Guillaume Gourat)
+ *    20-Oct-2005 Ben Dooks         Add masks for DCLK (Guillaume Gourat)
+*/
 
 #ifndef __ASM_ARM_REGS_CLOCK
 #define __ASM_ARM_REGS_CLOCK "$Id: clock.h,v 1.4 2003/04/30 14:50:51 ben Exp $"
@@ -66,11 +68,16 @@
 #define S3C2410_DCLKCON_DCLK0_UCLK   (1<<1)
 #define S3C2410_DCLKCON_DCLK0_DIV(x) (((x) - 1 )<<4)
 #define S3C2410_DCLKCON_DCLK0_CMP(x) (((x) - 1 )<<8)
+#define S3C2410_DCLKCON_DCLK0_DIV_MASK ((0xf)<<4)
+#define S3C2410_DCLKCON_DCLK0_CMP_MASK ((0xf)<<8)
 
 #define S3C2410_DCLKCON_DCLK1EN      (1<<16)
 #define S3C2410_DCLKCON_DCLK1_PCLK   (0<<17)
 #define S3C2410_DCLKCON_DCLK1_UCLK   (1<<17)
 #define S3C2410_DCLKCON_DCLK1_DIV(x) (((x) - 1) <<20)
+#define S3C2410_DCLKCON_DCLK1_CMP(x) (((x) - 1) <<24)
+#define S3C2410_DCLKCON_DCLK1_DIV_MASK ((0xf) <<20)
+#define S3C2410_DCLKCON_DCLK1_CMP_MASK ((0xf) <<24)
 
 #define S3C2410_CLKDIVN_PDIVN        (1<<0)
 #define S3C2410_CLKDIVN_HDIVN        (1<<1)
@@ -83,10 +90,13 @@
 
 #ifndef __ASSEMBLY__
 
+#include <asm/div64.h>
+
 static inline unsigned int
-s3c2410_get_pll(int pllval, int baseclk)
+s3c2410_get_pll(unsigned int pllval, unsigned int baseclk)
 {
-        int mdiv, pdiv, sdiv;
+        unsigned int mdiv, pdiv, sdiv;
+        uint64_t fvco;
 
         mdiv = pllval >> S3C2410_PLLCON_MDIVSHIFT;
         pdiv = pllval >> S3C2410_PLLCON_PDIVSHIFT;
@@ -96,7 +106,10 @@ s3c2410_get_pll(int pllval, int baseclk)
         pdiv &= S3C2410_PLLCON_PDIVMASK;
         sdiv &= S3C2410_PLLCON_SDIVMASK;
 
-        return (baseclk * (mdiv + 8)) / ((pdiv + 2) << sdiv);
+        fvco = (uint64_t)baseclk * (mdiv + 8);
+        do_div(fvco, (pdiv + 2) << sdiv);
+
+        return (unsigned int)fvco;
 }
 
 #endif /* __ASSEMBLY__ */
diff --git a/include/asm-arm/locks.h b/include/asm-arm/locks.h
index f08dc8447913..852220eecdbc 100644
--- a/include/asm-arm/locks.h
+++ b/include/asm-arm/locks.h
@@ -103,7 +103,7 @@
         ({                                      \
         smp_mb();                               \
         __asm__ __volatile__(                   \
-        "@ up_op_read\n"                        \
+        "@ up_op_write\n"                       \
 "1:     ldrex   lr, [%0]\n"                     \
 "       adds    lr, lr, %1\n"                   \
 "       strex   ip, lr, [%0]\n"                 \
@@ -231,7 +231,7 @@
 #define __up_op_write(ptr,wake)                 \
         ({                                      \
         __asm__ __volatile__(                   \
-        "@ up_op_read\n"                        \
+        "@ up_op_write\n"                       \
 "       mrs     ip, cpsr\n"                     \
 "       orr     lr, ip, #128\n"                 \
 "       msr     cpsr_c, lr\n"                   \
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/bootmem.h b/include/linux/bootmem.h
index 82bd8842d11c..3b03b0b868dd 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -43,7 +43,7 @@ typedef struct bootmem_data {
 extern unsigned long __init bootmem_bootmap_pages (unsigned long);
 extern unsigned long __init init_bootmem (unsigned long addr, unsigned long memend);
 extern void __init free_bootmem (unsigned long addr, unsigned long size);
-extern void * __init __alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal);
+extern void * __init __alloc_bootmem_limit (unsigned long size, unsigned long align, unsigned long goal, unsigned long limit);
 #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
 extern void __init reserve_bootmem (unsigned long addr, unsigned long size);
 #define alloc_bootmem(x) \
@@ -54,6 +54,16 @@ extern void __init reserve_bootmem (unsigned long addr, unsigned long size);
         __alloc_bootmem((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_low_pages(x) \
         __alloc_bootmem((x), PAGE_SIZE, 0)
+
+#define alloc_bootmem_limit(x, limit)                                           \
+        __alloc_bootmem_limit((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_low_limit(x, limit)                       \
+        __alloc_bootmem_limit((x), SMP_CACHE_BYTES, 0, (limit))
+#define alloc_bootmem_pages_limit(x, limit)                                     \
+        __alloc_bootmem_limit((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_low_pages_limit(x, limit)         \
+        __alloc_bootmem_limit((x), PAGE_SIZE, 0, (limit))
+
 #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
 extern unsigned long __init free_all_bootmem (void);
 
@@ -61,7 +71,7 @@ extern unsigned long __init init_bootmem_node (pg_data_t *pgdat, unsigned long f
 extern void __init reserve_bootmem_node (pg_data_t *pgdat, unsigned long physaddr, unsigned long size);
 extern void __init free_bootmem_node (pg_data_t *pgdat, unsigned long addr, unsigned long size);
 extern unsigned long __init free_all_bootmem_node (pg_data_t *pgdat);
-extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal);
+extern void * __init __alloc_bootmem_node_limit (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal, unsigned long limit);
 #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
 #define alloc_bootmem_node(pgdat, x) \
         __alloc_bootmem_node((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
@@ -69,6 +79,14 @@ extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size,
         __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_low_pages_node(pgdat, x) \
         __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, 0)
+
+#define alloc_bootmem_node_limit(pgdat, x, limit)                               \
+        __alloc_bootmem_node_limit((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_pages_node_limit(pgdat, x, limit)                         \
+        __alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_low_pages_node_limit(pgdat, x, limit)             \
+        __alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, 0, (limit))
+
 #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
 
 #ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP
@@ -105,5 +123,15 @@ extern void *__init alloc_large_system_hash(const char *tablename,
 #endif
 extern int __initdata hashdist;         /* Distribute hashes across NUMA nodes? */
 
+static inline void *__alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal)
+{
+        return __alloc_bootmem_limit(size, align, goal, 0);
+}
+
+static inline void *__alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align,
+                                     unsigned long goal)
+{
+        return __alloc_bootmem_node_limit(pgdat, size, align, goal, 0);
+}
 
 #endif /* _LINUX_BOOTMEM_H */
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index e670b0d13fe0..d664330d900e 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -25,6 +25,8 @@ int is_hugepage_mem_enough(size_t);
 unsigned long hugetlb_total_pages(void);
 struct page *alloc_huge_page(void);
 void free_huge_page(struct page *);
+int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
+                        unsigned long address, int write_access);
 
 extern unsigned long max_huge_pages;
 extern const unsigned long hugetlb_zero, hugetlb_infinity;
@@ -99,6 +101,7 @@ static inline unsigned long hugetlb_total_pages(void)
                                                 do { } while (0)
 #define alloc_huge_page()                       ({ NULL; })
 #define free_huge_page(p)                       ({ (void)(p); BUG(); })
+#define hugetlb_fault(mm, vma, addr, write)     ({ BUG(); 0; })
 
 #ifndef HPAGE_MASK
 #define HPAGE_MASK      0               /* Keep the compiler happy */
diff --git a/include/linux/idr.h b/include/linux/idr.h
index ca3b7e462576..3d5de45f961b 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -75,4 +75,5 @@ int idr_pre_get(struct idr *idp, unsigned gfp_mask);
 int idr_get_new(struct idr *idp, void *ptr, int *id);
 int idr_get_new_above(struct idr *idp, void *ptr, int starting_id, int *id);
 void idr_remove(struct idr *idp, int id);
+void idr_destroy(struct idr *idp);
 void idr_init(struct idr *idp);
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;
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 9dbcd9e51c00..30bb4a893237 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -171,7 +171,7 @@ typedef struct {
         ax25_address            calls[AX25_MAX_DIGIS];
         unsigned char           repeated[AX25_MAX_DIGIS];
         unsigned char           ndigi;
-        char                    lastrepeat;
+        signed char             lastrepeat;
 } ax25_digi;
 
 typedef struct ax25_route {