Merge branch 'master'

17 files changed, 135 insertions, 55 deletions

diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index d81d6cfc1bb4..eb4b152c82fc 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -321,8 +321,9 @@
 #define __NR_splice             313
 #define __NR_sync_file_range    314
 #define __NR_tee                315
+#define __NR_vmsplice           316
 
-#define NR_syscalls 316
+#define NR_syscalls 317
 
 /*
  * user-visible error numbers are in the range -1 - -128: see
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index a40ebec6aeeb..7107763168bf 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -290,12 +290,13 @@
 #define __NR_get_robust_list            1299
 #define __NR_sync_file_range            1300
 #define __NR_tee                        1301
+#define __NR_vmsplice                   1302
 
 #ifdef __KERNEL__
 
 #include <linux/config.h>
 
-#define NR_syscalls                     278 /* length of syscall table */
+#define NR_syscalls                     279 /* length of syscall table */
 
 #define __ARCH_WANT_SYS_RT_SIGACTION
 
diff --git a/include/asm-parisc/io.h b/include/asm-parisc/io.h
index 29da31194b91..244f6b8883f4 100644
--- a/include/asm-parisc/io.h
+++ b/include/asm-parisc/io.h
@@ -126,24 +126,17 @@ static inline void gsc_writeq(unsigned long long val, unsigned long addr)
 
 extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
 
-extern inline void __iomem * ioremap(unsigned long offset, unsigned long size)
-{
-        return __ioremap(offset, size, 0);
-}
-
-/*
- * This one maps high address device memory and turns off caching for that area.
- * it's useful if some control registers are in such an area and write combining
- * or read caching is not desirable:
+/* Most machines react poorly to I/O-space being cacheable... Instead let's
+ * define ioremap() in terms of ioremap_nocache().
  */
-extern inline void * ioremap_nocache(unsigned long offset, unsigned long size)
+extern inline void __iomem * ioremap(unsigned long offset, unsigned long size)
 {
-        return __ioremap(offset, size, _PAGE_NO_CACHE /* _PAGE_PCD */);
+        return __ioremap(offset, size, _PAGE_NO_CACHE);
 }
+#define ioremap_nocache(off, sz)        ioremap((off), (sz))
 
 extern void iounmap(void __iomem *addr);
 
-
 static inline unsigned char __raw_readb(const volatile void __iomem *addr)
 {
         return (*(volatile unsigned char __force *) (addr));
diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h
index 45e02aa5bf4b..c0dd461fb8f1 100644
--- a/include/asm-parisc/page.h
+++ b/include/asm-parisc/page.h
@@ -1,13 +1,30 @@
 #ifndef _PARISC_PAGE_H
 #define _PARISC_PAGE_H
 
-/* PAGE_SHIFT determines the page size */
-#define PAGE_SHIFT      12
-#define PAGE_SIZE       (1UL << PAGE_SHIFT)
-#define PAGE_MASK       (~(PAGE_SIZE-1))
+#if !defined(__KERNEL__)
+/* this is for userspace applications (4k page size) */
+# define PAGE_SHIFT     12      /* 4k */
+# define PAGE_SIZE      (1UL << PAGE_SHIFT)
+# define PAGE_MASK      (~(PAGE_SIZE-1))
+#endif
+
 
 #ifdef __KERNEL__
 #include <linux/config.h>
+
+#if defined(CONFIG_PARISC_PAGE_SIZE_4KB)
+# define PAGE_SHIFT     12      /* 4k */
+#elif defined(CONFIG_PARISC_PAGE_SIZE_16KB)
+# define PAGE_SHIFT     14      /* 16k */
+#elif defined(CONFIG_PARISC_PAGE_SIZE_64KB)
+# define PAGE_SHIFT     16      /* 64k */
+#else
+# error "unknown default kernel page size"
+#endif
+#define PAGE_SIZE       (1UL << PAGE_SHIFT)
+#define PAGE_MASK       (~(PAGE_SIZE-1))
+
+
 #ifndef __ASSEMBLY__
 
 #include <asm/types.h>
diff --git a/include/asm-parisc/pgtable.h b/include/asm-parisc/pgtable.h
index 4e34c6b44059..aec089eb8b85 100644
--- a/include/asm-parisc/pgtable.h
+++ b/include/asm-parisc/pgtable.h
@@ -59,16 +59,15 @@
 #define  ISTACK_SIZE  32768 /* Interrupt Stack Size */
 #define  ISTACK_ORDER 3
 
-/* This is the size of the initially mapped kernel memory (i.e. currently
- * 0 to 1<<23 == 8MB */
+/* This is the size of the initially mapped kernel memory */
 #ifdef CONFIG_64BIT
-#define KERNEL_INITIAL_ORDER    24
+#define KERNEL_INITIAL_ORDER    24      /* 0 to 1<<24 = 16MB */
 #else
-#define KERNEL_INITIAL_ORDER    23
+#define KERNEL_INITIAL_ORDER    23      /* 0 to 1<<23 = 8MB */
 #endif
 #define KERNEL_INITIAL_SIZE     (1 << KERNEL_INITIAL_ORDER)
 
-#ifdef CONFIG_64BIT
+#if defined(CONFIG_64BIT) && defined(CONFIG_PARISC_PAGE_SIZE_4KB)
 #define PT_NLEVELS      3
 #define PGD_ORDER       1 /* Number of pages per pgd */
 #define PMD_ORDER       1 /* Number of pages per pmd */
@@ -111,11 +110,15 @@
 #define MAX_ADDRBITS    (PGDIR_SHIFT + BITS_PER_PGD)
 #define MAX_ADDRESS     (1UL << MAX_ADDRBITS)
 
-#define SPACEID_SHIFT (MAX_ADDRBITS - 32)
+#define SPACEID_SHIFT   (MAX_ADDRBITS - 32)
 
 /* This calculates the number of initial pages we need for the initial
  * page tables */
-#define PT_INITIAL      (1 << (KERNEL_INITIAL_ORDER - PMD_SHIFT))
+#if (KERNEL_INITIAL_ORDER) >= (PMD_SHIFT)
+# define PT_INITIAL     (1 << (KERNEL_INITIAL_ORDER - PMD_SHIFT))
+#else
+# define PT_INITIAL     (1)  /* all initial PTEs fit into one page */
+#endif
 
 /*
  * pgd entries used up by user/kernel:
@@ -160,6 +163,10 @@ extern  void *vmalloc_start;
  * to zero */
 #define PTE_SHIFT               xlate_pabit(_PAGE_USER_BIT)
 
+/* PFN_PTE_SHIFT defines the shift of a PTE value to access the PFN field */
+#define PFN_PTE_SHIFT           12
+
+
 /* this is how many bits may be used by the file functions */
 #define PTE_FILE_MAX_BITS       (BITS_PER_LONG - PTE_SHIFT)
 
@@ -188,7 +195,8 @@ extern  void *vmalloc_start;
 /* The pgd/pmd contains a ptr (in phys addr space); since all pgds/pmds
  * are page-aligned, we don't care about the PAGE_OFFSET bits, except
  * for a few meta-information bits, so we shift the address to be
- * able to effectively address 40-bits of physical address space. */
+ * able to effectively address 40/42/44-bits of physical address space
+ * depending on 4k/16k/64k PAGE_SIZE */
 #define _PxD_PRESENT_BIT   31
 #define _PxD_ATTACHED_BIT  30
 #define _PxD_VALID_BIT     29
@@ -198,7 +206,7 @@ extern  void *vmalloc_start;
 #define PxD_FLAG_VALID    (1 << xlate_pabit(_PxD_VALID_BIT))
 #define PxD_FLAG_MASK     (0xf)
 #define PxD_FLAG_SHIFT    (4)
-#define PxD_VALUE_SHIFT   (8)
+#define PxD_VALUE_SHIFT   (8) /* (PAGE_SHIFT-PxD_FLAG_SHIFT) */
 
 #ifndef __ASSEMBLY__
 
@@ -246,6 +254,7 @@ extern  void *vmalloc_start;
 #define __S110  PAGE_RWX
 #define __S111  PAGE_RWX
 
+
 extern pgd_t swapper_pg_dir[]; /* declared in init_task.c */
 
 /* initial page tables for 0-8MB for kernel */
@@ -272,7 +281,7 @@ extern unsigned long *empty_zero_page;
 #define pgd_flag(x)     (pgd_val(x) & PxD_FLAG_MASK)
 #define pgd_address(x)  ((unsigned long)(pgd_val(x) &~ PxD_FLAG_MASK) << PxD_VALUE_SHIFT)
 
-#ifdef CONFIG_64BIT
+#if PT_NLEVELS == 3
 /* The first entry of the permanent pmd is not there if it contains
  * the gateway marker */
 #define pmd_none(x)     (!pmd_val(x) || pmd_flag(x) == PxD_FLAG_ATTACHED)
@@ -282,7 +291,7 @@ extern unsigned long *empty_zero_page;
 #define pmd_bad(x)      (!(pmd_flag(x) & PxD_FLAG_VALID))
 #define pmd_present(x)  (pmd_flag(x) & PxD_FLAG_PRESENT)
 static inline void pmd_clear(pmd_t *pmd) {
-#ifdef CONFIG_64BIT
+#if PT_NLEVELS == 3
         if (pmd_flag(*pmd) & PxD_FLAG_ATTACHED)
                 /* This is the entry pointing to the permanent pmd
                  * attached to the pgd; cannot clear it */
@@ -303,7 +312,7 @@ static inline void pmd_clear(pmd_t *pmd) {
 #define pgd_bad(x)      (!(pgd_flag(x) & PxD_FLAG_VALID))
 #define pgd_present(x)  (pgd_flag(x) & PxD_FLAG_PRESENT)
 static inline void pgd_clear(pgd_t *pgd) {
-#ifdef CONFIG_64BIT
+#if PT_NLEVELS == 3
         if(pgd_flag(*pgd) & PxD_FLAG_ATTACHED)
                 /* This is the permanent pmd attached to the pgd; cannot
                  * free it */
@@ -351,7 +360,7 @@ extern inline pte_t pte_mkwrite(pte_t pte)	{ pte_val(pte) |= _PAGE_WRITE; return
 ({                                                                      \
         pte_t __pte;                                                    \
                                                                         \
-        pte_val(__pte) = ((addr)+pgprot_val(pgprot));                   \
+        pte_val(__pte) = ((((addr)>>PAGE_SHIFT)<<PFN_PTE_SHIFT) + pgprot_val(pgprot));  \
                                                                         \
         __pte;                                                          \
 })
@@ -361,20 +370,16 @@ extern inline pte_t pte_mkwrite(pte_t pte)	{ pte_val(pte) |= _PAGE_WRITE; return
 static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot)
 {
         pte_t pte;
-        pte_val(pte) = (pfn << PAGE_SHIFT) | pgprot_val(pgprot);
+        pte_val(pte) = (pfn << PFN_PTE_SHIFT) | pgprot_val(pgprot);
         return pte;
 }
 
-/* This takes a physical page address that is used by the remapping functions */
-#define mk_pte_phys(physpage, pgprot) \
-({ pte_t __pte; pte_val(__pte) = physpage + pgprot_val(pgprot); __pte; })
-
 extern inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 { pte_val(pte) = (pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot); return pte; }
 
 /* Permanent address of a page.  On parisc we don't have highmem. */
 
-#define pte_pfn(x) (pte_val(x) >> PAGE_SHIFT)
+#define pte_pfn(x)              (pte_val(x) >> PFN_PTE_SHIFT)
 
 #define pte_page(pte)           (pfn_to_page(pte_pfn(pte)))
 
@@ -499,6 +504,26 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
 
 #endif /* !__ASSEMBLY__ */
 
+
+/* TLB page size encoding - see table 3-1 in parisc20.pdf */
+#define _PAGE_SIZE_ENCODING_4K          0
+#define _PAGE_SIZE_ENCODING_16K 1
+#define _PAGE_SIZE_ENCODING_64K 2
+#define _PAGE_SIZE_ENCODING_256K        3
+#define _PAGE_SIZE_ENCODING_1M          4
+#define _PAGE_SIZE_ENCODING_4M          5
+#define _PAGE_SIZE_ENCODING_16M 6
+#define _PAGE_SIZE_ENCODING_64M 7
+
+#if defined(CONFIG_PARISC_PAGE_SIZE_4KB)
+# define _PAGE_SIZE_ENCODING_DEFAULT _PAGE_SIZE_ENCODING_4K
+#elif defined(CONFIG_PARISC_PAGE_SIZE_16KB)
+# define _PAGE_SIZE_ENCODING_DEFAULT _PAGE_SIZE_ENCODING_16K
+#elif defined(CONFIG_PARISC_PAGE_SIZE_64KB)
+# define _PAGE_SIZE_ENCODING_DEFAULT _PAGE_SIZE_ENCODING_64K
+#endif
+
+
 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot)         \
                 remap_pfn_range(vma, vaddr, pfn, size, prot)
 
diff --git a/include/asm-parisc/unistd.h b/include/asm-parisc/unistd.h
index c56fccbf34ad..0e1a30be2e30 100644
--- a/include/asm-parisc/unistd.h
+++ b/include/asm-parisc/unistd.h
@@ -780,8 +780,14 @@
 #define __NR_readlinkat         (__NR_Linux + 285)
 #define __NR_fchmodat           (__NR_Linux + 286)
 #define __NR_faccessat          (__NR_Linux + 287)
+#define __NR_unshare            (__NR_Linux + 288)
+#define __NR_set_robust_list    (__NR_Linux + 289)
+#define __NR_get_robust_list    (__NR_Linux + 290)
+#define __NR_splice             (__NR_Linux + 291)
+#define __NR_sync_file_range    (__NR_Linux + 292)
+#define __NR_tee                (__NR_Linux + 293)
 
-#define __NR_Linux_syscalls     288
+#define __NR_Linux_syscalls     294
 
 #define HPUX_GATEWAY_ADDR       0xC0000004
 #define LINUX_GATEWAY_ADDR      0x100
diff --git a/include/asm-powerpc/iommu.h b/include/asm-powerpc/iommu.h
index d5677cbec200..18ca29e9105a 100644
--- a/include/asm-powerpc/iommu.h
+++ b/include/asm-powerpc/iommu.h
@@ -70,17 +70,18 @@ extern void iommu_free_table(struct device_node *dn);
 extern struct iommu_table *iommu_init_table(struct iommu_table * tbl);
 
 extern int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
-                struct scatterlist *sglist, int nelems,
+                struct scatterlist *sglist, int nelems, unsigned long mask,
                 enum dma_data_direction direction);
 extern void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist,
                 int nelems, enum dma_data_direction direction);
 
 extern void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size,
-                dma_addr_t *dma_handle, gfp_t flag);
+                dma_addr_t *dma_handle, unsigned long mask, gfp_t flag);
 extern void iommu_free_coherent(struct iommu_table *tbl, size_t size,
                 void *vaddr, dma_addr_t dma_handle);
 extern dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr,
-                size_t size, enum dma_data_direction direction);
+                size_t size, unsigned long mask,
+                enum dma_data_direction direction);
 extern void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle,
                 size_t size, enum dma_data_direction direction);
 
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index 5ed847680754..0f9254c18914 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -253,7 +253,11 @@ extern struct machdep_calls *machine_id;
 
 #define __machine_desc __attribute__ ((__section__ (".machine.desc")))
 
-#define define_machine(name) struct machdep_calls mach_##name __machine_desc =
+#define define_machine(name)                                    \
+        extern struct machdep_calls mach_##name;                \
+        EXPORT_SYMBOL(mach_##name);                             \
+        struct machdep_calls mach_##name __machine_desc =
+
 #define machine_is(name) \
         ({ \
                 extern struct machdep_calls mach_##name \
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h
index c612f1a62772..34325e292596 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -303,8 +303,9 @@
 #define __NR_unshare            282
 #define __NR_splice             283
 #define __NR_tee                284
+#define __NR_vmsplice           285
 
-#define __NR_syscalls           285
+#define __NR_syscalls           286
 
 #ifdef __KERNEL__
 #define __NR__exit __NR_exit
diff --git a/include/asm-sparc/unistd.h b/include/asm-sparc/unistd.h
index 45feff893b8e..32a48f623e2b 100644
--- a/include/asm-sparc/unistd.h
+++ b/include/asm-sparc/unistd.h
@@ -271,7 +271,7 @@
 #define __NR_getsid             252
 #define __NR_fdatasync          253
 #define __NR_nfsservctl         254
-#define __NR_sys_sync_file_range 255
+#define __NR_sync_file_range    255
 #define __NR_clock_settime      256
 #define __NR_clock_gettime      257
 #define __NR_clock_getres       258
diff --git a/include/asm-sparc64/unistd.h b/include/asm-sparc64/unistd.h
index 597f6923a46e..ca80e8aca128 100644
--- a/include/asm-sparc64/unistd.h
+++ b/include/asm-sparc64/unistd.h
@@ -273,7 +273,7 @@
 #define __NR_getsid             252
 #define __NR_fdatasync          253
 #define __NR_nfsservctl         254
-#define __NR_sys_sync_file_range 255
+#define __NR_sync_file_range    255
 #define __NR_clock_settime      256
 #define __NR_clock_gettime      257
 #define __NR_clock_getres       258
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index 98c36eae567c..feb77cb8c044 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -615,8 +615,10 @@ __SYSCALL(__NR_splice, sys_splice)
 __SYSCALL(__NR_tee, sys_tee)
 #define __NR_sync_file_range    277
 __SYSCALL(__NR_sync_file_range, sys_sync_file_range)
+#define __NR_vmsplice           278
+__SYSCALL(__NR_vmsplice, sys_vmsplice)
 
-#define __NR_syscall_max __NR_sync_file_range
+#define __NR_syscall_max __NR_vmsplice
 
 #ifndef __NO_STUBS
 
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 40ccf8cc4239..01db7b88a2b1 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 f6bdef82a322..38701454e197 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/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index ef7f33c0be19..0008d4bd4059 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/syscalls.h b/include/linux/syscalls.h
index d3ebc0e68b2b..3996960fc565 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,
diff --git a/include/net/ieee80211softmac.h b/include/net/ieee80211softmac.h
index 6b3693f05ca0..b1ebfbae397f 100644
--- a/include/net/ieee80211softmac.h
+++ b/include/net/ieee80211softmac.h
@@ -96,10 +96,13 @@ struct ieee80211softmac_assoc_info {
          *
          * bssvalid is true if we found a matching network
          * and saved it's BSSID into the bssid above.
+         *
+         * bssfixed is used for SIOCSIWAP.
          */
         u8 static_essid:1,
            associating:1,
-           bssvalid:1;
+           bssvalid:1,
+           bssfixed:1;
 
         /* Scan retries remaining */
         int scan_retry;