19 files changed, 64 insertions, 148 deletions

diff --git a/include/asm-x86/hugetlb.h b/include/asm-x86/hugetlb.h
index 14171a4924f..439a9acc132 100644
--- a/include/asm-x86/hugetlb.h
+++ b/include/asm-x86/hugetlb.h
@@ -14,11 +14,13 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
  * If the arch doesn't supply something else, assume that hugepage
  * size aligned regions are ok without further preparation.
  */
-static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
+static inline int prepare_hugepage_range(struct file *file,
+                        unsigned long addr, unsigned long len)
 {
-        if (len & ~HPAGE_MASK)
+        struct hstate *h = hstate_file(file);
+        if (len & ~huge_page_mask(h))
                 return -EINVAL;
-        if (addr & ~HPAGE_MASK)
+        if (addr & ~huge_page_mask(h))
                 return -EINVAL;
         return 0;
 }
@@ -26,7 +28,7 @@ static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
 static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) {
 }
 
-static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb,
+static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
                                           unsigned long addr, unsigned long end,
                                           unsigned long floor,
                                           unsigned long ceiling)
diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h
index 37672f79dcc..96fa8449ff1 100644
--- a/include/asm-x86/i387.h
+++ b/include/asm-x86/i387.h
@@ -137,60 +137,6 @@ static inline void __save_init_fpu(struct task_struct *tsk)
         task_thread_info(tsk)->status &= ~TS_USEDFPU;
 }
 
-/*
- * Signal frame handlers.
- */
-
-static inline int save_i387(struct _fpstate __user *buf)
-{
-        struct task_struct *tsk = current;
-        int err = 0;
-
-        BUILD_BUG_ON(sizeof(struct user_i387_struct) !=
-                        sizeof(tsk->thread.xstate->fxsave));
-
-        if ((unsigned long)buf % 16)
-                printk("save_i387: bad fpstate %p\n", buf);
-
-        if (!used_math())
-                return 0;
-        clear_used_math(); /* trigger finit */
-        if (task_thread_info(tsk)->status & TS_USEDFPU) {
-                err = save_i387_checking((struct i387_fxsave_struct __user *)
-                                         buf);
-                if (err)
-                        return err;
-                task_thread_info(tsk)->status &= ~TS_USEDFPU;
-                stts();
-        } else {
-                if (__copy_to_user(buf, &tsk->thread.xstate->fxsave,
-                                   sizeof(struct i387_fxsave_struct)))
-                        return -1;
-        }
-        return 1;
-}
-
-/*
- * This restores directly out of user space. Exceptions are handled.
- */
-static inline int restore_i387(struct _fpstate __user *buf)
-{
-        struct task_struct *tsk = current;
-        int err;
-
-        if (!used_math()) {
-                err = init_fpu(tsk);
-                if (err)
-                        return err;
-        }
-
-        if (!(task_thread_info(current)->status & TS_USEDFPU)) {
-                clts();
-                task_thread_info(current)->status |= TS_USEDFPU;
-        }
-        return restore_fpu_checking((__force struct i387_fxsave_struct *)buf);
-}
-
 #else  /* CONFIG_X86_32 */
 
 extern void finit(void);
diff --git a/include/asm-x86/ide.h b/include/asm-x86/ide.h
deleted file mode 100644
index cf9c98e5bdb..00000000000
--- a/include/asm-x86/ide.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- *  Copyright (C) 1994-1996  Linus Torvalds & authors
- */
-
-/*
- *  This file contains the i386 architecture specific IDE code.
- */
-
-#ifndef __ASMi386_IDE_H
-#define __ASMi386_IDE_H
-
-#ifdef __KERNEL__
-
-
-#ifndef MAX_HWIFS
-# ifdef CONFIG_BLK_DEV_IDEPCI
-#define MAX_HWIFS       10
-# else
-#define MAX_HWIFS       6
-# endif
-#endif
-
-static __inline__ int ide_default_irq(unsigned long base)
-{
-        switch (base) {
-                case 0x1f0: return 14;
-                case 0x170: return 15;
-                case 0x1e8: return 11;
-                case 0x168: return 10;
-                case 0x1e0: return 8;
-                case 0x160: return 12;
-                default:
-                        return 0;
-        }
-}
-
-static __inline__ unsigned long ide_default_io_base(int index)
-{
-        /*
-         *      If PCI is present then it is not safe to poke around
-         *      the other legacy IDE ports. Only 0x1f0 and 0x170 are
-         *      defined compatibility mode ports for PCI. A user can 
-         *      override this using ide= but we must default safe.
-         */
-        if (no_pci_devices()) {
-                switch(index) {
-                        case 2: return 0x1e8;
-                        case 3: return 0x168;
-                        case 4: return 0x1e0;
-                        case 5: return 0x160;
-                }
-        }
-        switch (index) {
-                case 0: return 0x1f0;
-                case 1: return 0x170;
-                default:
-                        return 0;
-        }
-}
-
-#include <asm-generic/ide_iops.h>
-
-#endif /* __KERNEL__ */
-
-#endif /* __ASMi386_IDE_H */
diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h
index 4df44ed5407..e876d89ac15 100644
--- a/include/asm-x86/io_32.h
+++ b/include/asm-x86/io_32.h
@@ -110,6 +110,8 @@ static inline void *phys_to_virt(unsigned long address)
  */
 extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size);
 extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size);
+extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size,
+                                unsigned long prot_val);
 
 /*
  * The default ioremap() behavior is non-cached:
diff --git a/include/asm-x86/io_64.h b/include/asm-x86/io_64.h
index ddd8058a502..22995c5c5ad 100644
--- a/include/asm-x86/io_64.h
+++ b/include/asm-x86/io_64.h
@@ -175,6 +175,8 @@ extern void early_iounmap(void *addr, unsigned long size);
  */
 extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size);
 extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size);
+extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size,
+                                unsigned long prot_val);
 
 /*
  * The default ioremap() behavior is non-cached:
diff --git a/include/asm-x86/ipi.h b/include/asm-x86/ipi.h
index 3d8d6a6c1f8..8d1178b0ba7 100644
--- a/include/asm-x86/ipi.h
+++ b/include/asm-x86/ipi.h
@@ -128,7 +128,7 @@ static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
          * - mbligh
          */
         local_irq_save(flags);
-        for_each_cpu_mask(query_cpu, mask) {
+        for_each_cpu_mask_nr(query_cpu, mask) {
                 __send_IPI_dest_field(per_cpu(x86_cpu_to_apicid, query_cpu),
                                       vector, APIC_DEST_PHYSICAL);
         }
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 28d7b4533b1..49982110e4d 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -18,8 +18,11 @@
    (ie, 32-bit PAE). */
 #define PHYSICAL_PAGE_MASK      (((signed long)PAGE_MASK) & __PHYSICAL_MASK)
 
-/* PTE_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */
-#define PTE_MASK                ((pteval_t)PHYSICAL_PAGE_MASK)
+/* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */
+#define PTE_PFN_MASK            ((pteval_t)PHYSICAL_PAGE_MASK)
+
+/* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */
+#define PTE_FLAGS_MASK          (~PTE_PFN_MASK)
 
 #define PMD_PAGE_SIZE           (_AC(1, UL) << PMD_SHIFT)
 #define PMD_PAGE_MASK           (~(PMD_PAGE_SIZE-1))
@@ -29,8 +32,7 @@
 #define HPAGE_MASK              (~(HPAGE_SIZE - 1))
 #define HUGETLB_PAGE_ORDER      (HPAGE_SHIFT - PAGE_SHIFT)
 
-/* to align the pointer to the (next) page boundary */
-#define PAGE_ALIGN(addr)        (((addr)+PAGE_SIZE-1)&PAGE_MASK)
+#define HUGE_MAX_HSTATE 2
 
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
@@ -144,6 +146,11 @@ static inline pteval_t native_pte_val(pte_t pte)
         return pte.pte;
 }
 
+static inline pteval_t native_pte_flags(pte_t pte)
+{
+        return native_pte_val(pte) & PTE_FLAGS_MASK;
+}
+
 #define pgprot_val(x)   ((x).pgprot)
 #define __pgprot(x)     ((pgprot_t) { (x) } )
 
@@ -165,7 +172,7 @@ static inline pteval_t native_pte_val(pte_t pte)
 #endif
 
 #define pte_val(x)      native_pte_val(x)
-#define pte_flags(x)    native_pte_val(x)
+#define pte_flags(x)    native_pte_flags(x)
 #define __pte(x)        native_make_pte(x)
 
 #endif  /* CONFIG_PARAVIRT */
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index a8b19ec04ac..d64d915a40c 100644
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -1069,6 +1069,9 @@ static inline pteval_t pte_flags(pte_t pte)
                 ret = PVOP_CALL1(pteval_t, pv_mmu_ops.pte_flags,
                                  pte.pte);
 
+#ifdef CONFIG_PARAVIRT_DEBUG
+        BUG_ON(ret & PTE_PFN_MASK);
+#endif
         return ret;
 }
 
diff --git a/include/asm-x86/pgtable-3level.h b/include/asm-x86/pgtable-3level.h
index c93dbb6c262..105057f3403 100644
--- a/include/asm-x86/pgtable-3level.h
+++ b/include/asm-x86/pgtable-3level.h
@@ -25,7 +25,7 @@ static inline int pud_none(pud_t pud)
 
 static inline int pud_bad(pud_t pud)
 {
-        return (pud_val(pud) & ~(PTE_MASK | _KERNPG_TABLE | _PAGE_USER)) != 0;
+        return (pud_val(pud) & ~(PTE_PFN_MASK | _KERNPG_TABLE | _PAGE_USER)) != 0;
 }
 
 static inline int pud_present(pud_t pud)
@@ -120,9 +120,9 @@ static inline void pud_clear(pud_t *pudp)
                 write_cr3(pgd);
 }
 
-#define pud_page(pud) ((struct page *) __va(pud_val(pud) & PTE_MASK))
+#define pud_page(pud) ((struct page *) __va(pud_val(pud) & PTE_PFN_MASK))
 
-#define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & PTE_MASK))
+#define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & PTE_PFN_MASK))
 
 
 /* Find an entry in the second-level page table.. */
@@ -160,7 +160,7 @@ static inline int pte_none(pte_t pte)
 
 static inline unsigned long pte_pfn(pte_t pte)
 {
-        return (pte_val(pte) & PTE_MASK) >> PAGE_SHIFT;
+        return (pte_val(pte) & PTE_PFN_MASK) >> PAGE_SHIFT;
 }
 
 /*
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 96aa76e691d..3e5dbc4195f 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -53,7 +53,7 @@
                          _PAGE_DIRTY)
 
 /* Set of bits not changed in pte_modify */
-#define _PAGE_CHG_MASK  (PTE_MASK | _PAGE_PCD | _PAGE_PWT |             \
+#define _PAGE_CHG_MASK  (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT |         \
                          _PAGE_ACCESSED | _PAGE_DIRTY)
 
 #define _PAGE_CACHE_MASK        (_PAGE_PCD | _PAGE_PWT)
@@ -286,7 +286,7 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
         return __pgprot(preservebits | addbits);
 }
 
-#define pte_pgprot(x) __pgprot(pte_flags(x) & ~PTE_MASK)
+#define pte_pgprot(x) __pgprot(pte_flags(x) & PTE_FLAGS_MASK)
 
 #define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)
 
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index 0611abf96a5..5c3b26567a9 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -88,7 +88,7 @@ extern unsigned long pg0[];
 /* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
 #define pmd_none(x)     (!(unsigned long)pmd_val((x)))
 #define pmd_present(x)  (pmd_val((x)) & _PAGE_PRESENT)
-#define pmd_bad(x) ((pmd_val(x) & (~PTE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
+#define pmd_bad(x) ((pmd_val(x) & (PTE_FLAGS_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
 
 #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
 
@@ -139,7 +139,7 @@ static inline int pud_large(pud_t pud) { return 0; }
 #define pmd_page(pmd) (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT))
 
 #define pmd_page_vaddr(pmd)                                     \
-        ((unsigned long)__va(pmd_val((pmd)) & PTE_MASK))
+        ((unsigned long)__va(pmd_val((pmd)) & PTE_PFN_MASK))
 
 #if defined(CONFIG_HIGHPTE)
 #define pte_offset_map(dir, address)                                    \
diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h
index 805d3128bfc..ac5fff4cc58 100644
--- a/include/asm-x86/pgtable_64.h
+++ b/include/asm-x86/pgtable_64.h
@@ -158,17 +158,17 @@ static inline void native_pgd_clear(pgd_t *pgd)
 
 static inline int pgd_bad(pgd_t pgd)
 {
-        return (pgd_val(pgd) & ~(PTE_MASK | _PAGE_USER)) != _KERNPG_TABLE;
+        return (pgd_val(pgd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
 }
 
 static inline int pud_bad(pud_t pud)
 {
-        return (pud_val(pud) & ~(PTE_MASK | _PAGE_USER)) != _KERNPG_TABLE;
+        return (pud_val(pud) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
 }
 
 static inline int pmd_bad(pmd_t pmd)
 {
-        return (pmd_val(pmd) & ~(PTE_MASK | _PAGE_USER)) != _KERNPG_TABLE;
+        return (pmd_val(pmd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
 }
 
 #define pte_none(x)     (!pte_val((x)))
@@ -193,7 +193,7 @@ static inline int pmd_bad(pmd_t pmd)
  * Level 4 access.
  */
 #define pgd_page_vaddr(pgd)                                             \
-        ((unsigned long)__va((unsigned long)pgd_val((pgd)) & PTE_MASK))
+        ((unsigned long)__va((unsigned long)pgd_val((pgd)) & PTE_PFN_MASK))
 #define pgd_page(pgd)           (pfn_to_page(pgd_val((pgd)) >> PAGE_SHIFT))
 #define pgd_present(pgd) (pgd_val(pgd) & _PAGE_PRESENT)
 static inline int pgd_large(pgd_t pgd) { return 0; }
@@ -216,7 +216,7 @@ static inline int pud_large(pud_t pte)
 }
 
 /* PMD  - Level 2 access */
-#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val((pmd)) & PTE_MASK))
+#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val((pmd)) & PTE_PFN_MASK))
 #define pmd_page(pmd)           (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT))
 
 #define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))
diff --git a/include/asm-x86/processor-flags.h b/include/asm-x86/processor-flags.h
index 092b39b3a7e..eff2ecd7fff 100644
--- a/include/asm-x86/processor-flags.h
+++ b/include/asm-x86/processor-flags.h
@@ -88,10 +88,12 @@
 #define CX86_ARR_BASE   0xc4
 #define CX86_RCR_BASE   0xdc
 
+#ifdef __KERNEL__
 #ifdef CONFIG_VM86
 #define X86_VM_MASK     X86_EFLAGS_VM
 #else
 #define X86_VM_MASK     0 /* No VM86 support */
 #endif
+#endif
 
 #endif  /* __ASM_I386_PROCESSOR_FLAGS_H */
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 15cb82a44e8..5f58da401b4 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -134,7 +134,7 @@ extern __u32			cleared_cpu_caps[NCAPINTS];
 #ifdef CONFIG_SMP
 DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info);
 #define cpu_data(cpu)           per_cpu(cpu_info, cpu)
-#define current_cpu_data        cpu_data(smp_processor_id())
+#define current_cpu_data        __get_cpu_var(cpu_info)
 #else
 #define cpu_data(cpu)           boot_cpu_data
 #define current_cpu_data        boot_cpu_data
diff --git a/include/asm-x86/semaphore.h b/include/asm-x86/semaphore.h
deleted file mode 100644
index d9b2034ed1d..00000000000
--- a/include/asm-x86/semaphore.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <linux/semaphore.h>
diff --git a/include/asm-x86/thread_info.h b/include/asm-x86/thread_info.h
index 0a8f27d31d0..3f2de105098 100644
--- a/include/asm-x86/thread_info.h
+++ b/include/asm-x86/thread_info.h
@@ -79,7 +79,6 @@ struct thread_info {
 #define TIF_SYSCALL_AUDIT       7       /* syscall auditing active */
 #define TIF_SECCOMP             8       /* secure computing */
 #define TIF_MCE_NOTIFY          10      /* notify userspace of an MCE */
-#define TIF_HRTICK_RESCHED      11      /* reprogram hrtick timer */
 #define TIF_NOTSC               16      /* TSC is not accessible in userland */
 #define TIF_IA32                17      /* 32bit process */
 #define TIF_FORK                18      /* ret_from_fork */
@@ -102,7 +101,6 @@ struct thread_info {
 #define _TIF_SYSCALL_AUDIT      (1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP            (1 << TIF_SECCOMP)
 #define _TIF_MCE_NOTIFY         (1 << TIF_MCE_NOTIFY)
-#define _TIF_HRTICK_RESCHED     (1 << TIF_HRTICK_RESCHED)
 #define _TIF_NOTSC              (1 << TIF_NOTSC)
 #define _TIF_IA32               (1 << TIF_IA32)
 #define _TIF_FORK               (1 << TIF_FORK)
@@ -135,7 +133,7 @@ struct thread_info {
 
 /* Only used for 64 bit */
 #define _TIF_DO_NOTIFY_MASK                                             \
-        (_TIF_SIGPENDING|_TIF_MCE_NOTIFY|_TIF_HRTICK_RESCHED)
+        (_TIF_SIGPENDING|_TIF_MCE_NOTIFY)
 
 /* flags to check in __switch_to() */
 #define _TIF_WORK_CTXSW                                                 \
diff --git a/include/asm-x86/unistd_32.h b/include/asm-x86/unistd_32.h
index 8317d94771d..d7394673b77 100644
--- a/include/asm-x86/unistd_32.h
+++ b/include/asm-x86/unistd_32.h
@@ -332,6 +332,12 @@
 #define __NR_fallocate          324
 #define __NR_timerfd_settime    325
 #define __NR_timerfd_gettime    326
+#define __NR_signalfd4          327
+#define __NR_eventfd2           328
+#define __NR_epoll_create1      329
+#define __NR_dup3               330
+#define __NR_pipe2              331
+#define __NR_inotify_init1      332
 
 #ifdef __KERNEL__
 
diff --git a/include/asm-x86/unistd_64.h b/include/asm-x86/unistd_64.h
index 9c1a4a3470d..3a341d79179 100644
--- a/include/asm-x86/unistd_64.h
+++ b/include/asm-x86/unistd_64.h
@@ -639,6 +639,20 @@ __SYSCALL(__NR_fallocate, sys_fallocate)
 __SYSCALL(__NR_timerfd_settime, sys_timerfd_settime)
 #define __NR_timerfd_gettime                    287
 __SYSCALL(__NR_timerfd_gettime, sys_timerfd_gettime)
+#define __NR_paccept                            288
+__SYSCALL(__NR_paccept, sys_paccept)
+#define __NR_signalfd4                          289
+__SYSCALL(__NR_signalfd4, sys_signalfd4)
+#define __NR_eventfd2                           290
+__SYSCALL(__NR_eventfd2, sys_eventfd2)
+#define __NR_epoll_create1                      291
+__SYSCALL(__NR_epoll_create1, sys_epoll_create1)
+#define __NR_dup3                               292
+__SYSCALL(__NR_dup3, sys_dup3)
+#define __NR_pipe2                              293
+__SYSCALL(__NR_pipe2, sys_pipe2)
+#define __NR_inotify_init1                      294
+__SYSCALL(__NR_inotify_init1, sys_inotify_init1)
 
 
 #ifndef __NO_STUBS
diff --git a/include/asm-x86/xen/page.h b/include/asm-x86/xen/page.h
index 05e678a8662..7b3835d3b77 100644
--- a/include/asm-x86/xen/page.h
+++ b/include/asm-x86/xen/page.h
@@ -124,7 +124,7 @@ static inline unsigned long mfn_to_local_pfn(unsigned long mfn)
 
 static inline unsigned long pte_mfn(pte_t pte)
 {
-        return (pte.pte & PTE_MASK) >> PAGE_SHIFT;
+        return (pte.pte & PTE_PFN_MASK) >> PAGE_SHIFT;
 }
 
 static inline pte_t mfn_pte(unsigned long page_nr, pgprot_t pgprot)