13 files changed, 62 insertions, 48 deletions

diff --git a/include/asm-frv/unistd.h b/include/asm-frv/unistd.h
index 7306c71a8926..cd84f1771e34 100644
--- a/include/asm-frv/unistd.h
+++ b/include/asm-frv/unistd.h
@@ -330,10 +330,11 @@
 #define __NR_signalfd           321
 #define __NR_timerfd            322
 #define __NR_eventfd            323
+#define __NR_fallocate          324
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 324
+#define NR_syscalls 325
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 /* #define __ARCH_WANT_OLD_READDIR */
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index f605e8d0eed3..5f0d797d33fd 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -2,6 +2,7 @@
 #define _ASM_GENERIC_PGTABLE_H
 
 #ifndef __ASSEMBLY__
+#ifdef CONFIG_MMU
 
 #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
 /*
@@ -133,41 +134,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres
 #endif
 
 /*
- * A facility to provide lazy MMU batching.  This allows PTE updates and
- * page invalidations to be delayed until a call to leave lazy MMU mode
- * is issued.  Some architectures may benefit from doing this, and it is
- * beneficial for both shadow and direct mode hypervisors, which may batch
- * the PTE updates which happen during this window.  Note that using this
- * interface requires that read hazards be removed from the code.  A read
- * hazard could result in the direct mode hypervisor case, since the actual
- * write to the page tables may not yet have taken place, so reads though
- * a raw PTE pointer after it has been modified are not guaranteed to be
- * up to date.  This mode can only be entered and left under the protection of
- * the page table locks for all page tables which may be modified.  In the UP
- * case, this is required so that preemption is disabled, and in the SMP case,
- * it must synchronize the delayed page table writes properly on other CPUs.
- */
-#ifndef __HAVE_ARCH_ENTER_LAZY_MMU_MODE
-#define arch_enter_lazy_mmu_mode()      do {} while (0)
-#define arch_leave_lazy_mmu_mode()      do {} while (0)
-#define arch_flush_lazy_mmu_mode()      do {} while (0)
-#endif
-
-/*
- * A facility to provide batching of the reload of page tables with the
- * actual context switch code for paravirtualized guests.  By convention,
- * only one of the lazy modes (CPU, MMU) should be active at any given
- * time, entry should never be nested, and entry and exits should always
- * be paired.  This is for sanity of maintaining and reasoning about the
- * kernel code.
- */
-#ifndef __HAVE_ARCH_ENTER_LAZY_CPU_MODE
-#define arch_enter_lazy_cpu_mode()      do {} while (0)
-#define arch_leave_lazy_cpu_mode()      do {} while (0)
-#define arch_flush_lazy_cpu_mode()      do {} while (0)
-#endif
-
-/*
  * When walking page tables, get the address of the next boundary,
  * or the end address of the range if that comes earlier.  Although no
  * vma end wraps to 0, rounded up __boundary may wrap to 0 throughout.
@@ -233,6 +199,43 @@ static inline int pmd_none_or_clear_bad(pmd_t *pmd)
         }
         return 0;
 }
+#endif /* CONFIG_MMU */
+
+/*
+ * A facility to provide lazy MMU batching.  This allows PTE updates and
+ * page invalidations to be delayed until a call to leave lazy MMU mode
+ * is issued.  Some architectures may benefit from doing this, and it is
+ * beneficial for both shadow and direct mode hypervisors, which may batch
+ * the PTE updates which happen during this window.  Note that using this
+ * interface requires that read hazards be removed from the code.  A read
+ * hazard could result in the direct mode hypervisor case, since the actual
+ * write to the page tables may not yet have taken place, so reads though
+ * a raw PTE pointer after it has been modified are not guaranteed to be
+ * up to date.  This mode can only be entered and left under the protection of
+ * the page table locks for all page tables which may be modified.  In the UP
+ * case, this is required so that preemption is disabled, and in the SMP case,
+ * it must synchronize the delayed page table writes properly on other CPUs.
+ */
+#ifndef __HAVE_ARCH_ENTER_LAZY_MMU_MODE
+#define arch_enter_lazy_mmu_mode()      do {} while (0)
+#define arch_leave_lazy_mmu_mode()      do {} while (0)
+#define arch_flush_lazy_mmu_mode()      do {} while (0)
+#endif
+
+/*
+ * A facility to provide batching of the reload of page tables with the
+ * actual context switch code for paravirtualized guests.  By convention,
+ * only one of the lazy modes (CPU, MMU) should be active at any given
+ * time, entry should never be nested, and entry and exits should always
+ * be paired.  This is for sanity of maintaining and reasoning about the
+ * kernel code.
+ */
+#ifndef __HAVE_ARCH_ENTER_LAZY_CPU_MODE
+#define arch_enter_lazy_cpu_mode()      do {} while (0)
+#define arch_leave_lazy_cpu_mode()      do {} while (0)
+#define arch_flush_lazy_cpu_mode()      do {} while (0)
+#endif
+
 #endif /* !__ASSEMBLY__ */
 
 #endif /* _ASM_GENERIC_PGTABLE_H */
diff --git a/include/asm-i386/apic.h b/include/asm-i386/apic.h
index 1e8f6f252dd3..4091b33dcb10 100644
--- a/include/asm-i386/apic.h
+++ b/include/asm-i386/apic.h
@@ -116,6 +116,8 @@ extern void enable_NMI_through_LVT0 (void * dummy);
 extern int timer_over_8254;
 extern int local_apic_timer_c2_ok;
 
+extern int local_apic_timer_disabled;
+
 #else /* !CONFIG_X86_LOCAL_APIC */
 static inline void lapic_shutdown(void) { }
 
diff --git a/include/asm-i386/cpufeature.h b/include/asm-i386/cpufeature.h
index c961c03cf1e2..7b3aa28ebc6e 100644
--- a/include/asm-i386/cpufeature.h
+++ b/include/asm-i386/cpufeature.h
@@ -79,7 +79,7 @@
 #define X86_FEATURE_ARCH_PERFMON (3*32+11) /* Intel Architectural PerfMon */
 #define X86_FEATURE_PEBS        (3*32+12)  /* Precise-Event Based Sampling */
 #define X86_FEATURE_BTS         (3*32+13)  /* Branch Trace Store */
-#define X86_FEATURE_LAPIC_TIMER_BROKEN (3*32+ 14) /* lapic timer broken in C1 */
+/* 14 free */
 #define X86_FEATURE_SYNC_RDTSC  (3*32+15)  /* RDTSC synchronizes the CPU */
 #define X86_FEATURE_REP_GOOD   (3*32+16) /* rep microcode works well on this CPU */
 
diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h
index 7df88be2dd9e..9fa3fa9e62d1 100644
--- a/include/asm-i386/paravirt.h
+++ b/include/asm-i386/paravirt.h
@@ -47,7 +47,8 @@ struct paravirt_ops
          * The patch function should return the number of bytes of code
          * generated, as we nop pad the rest in generic code.
          */
-        unsigned (*patch)(u8 type, u16 clobber, void *firstinsn, unsigned len);
+        unsigned (*patch)(u8 type, u16 clobber, void *insnbuf,
+                          unsigned long addr, unsigned len);
 
         /* Basic arch-specific setup */
         void (*arch_setup)(void);
@@ -253,13 +254,16 @@ extern struct paravirt_ops paravirt_ops;
 
 unsigned paravirt_patch_nop(void);
 unsigned paravirt_patch_ignore(unsigned len);
-unsigned paravirt_patch_call(void *target, u16 tgt_clobbers,
-                             void *site, u16 site_clobbers,
+unsigned paravirt_patch_call(void *insnbuf,
+                             const void *target, u16 tgt_clobbers,
+                             unsigned long addr, u16 site_clobbers,
                              unsigned len);
-unsigned paravirt_patch_jmp(void *target, void *site, unsigned len);
-unsigned paravirt_patch_default(u8 type, u16 clobbers, void *site, unsigned len);
+unsigned paravirt_patch_jmp(const void *target, void *insnbuf,
+                            unsigned long addr, unsigned len);
+unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf,
+                                unsigned long addr, unsigned len);
 
-unsigned paravirt_patch_insns(void *site, unsigned len,
+unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
                               const char *start, const char *end);
 
 int paravirt_disable_iospace(void);
diff --git a/include/asm-i386/pci.h b/include/asm-i386/pci.h
index d790343e9982..4fcacc711385 100644
--- a/include/asm-i386/pci.h
+++ b/include/asm-i386/pci.h
@@ -8,6 +8,9 @@ struct pci_sysdata {
         int             node;           /* NUMA node */
 };
 
+/* scan a bus after allocating a pci_sysdata for it */
+extern struct pci_bus *pci_scan_bus_with_sysdata(int busno);
+
 #include <linux/mm.h>           /* for struct page */
 
 /* Can be used to override the logic in pci_scan_bus for skipping
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index 88926eb44f5c..5da8cb0c0599 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -10,6 +10,8 @@ struct pci_sysdata {
         void*           iommu;          /* IOMMU private data */
 };
 
+extern struct pci_bus *pci_scan_bus_with_sysdata(int busno);
+
 #ifdef CONFIG_CALGARY_IOMMU
 static inline void* pci_iommu(struct pci_bus *bus)
 {
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index e0bd46eb2414..def5a659b8a5 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -123,7 +123,6 @@ extern void clockevents_exchange_device(struct clock_event_device *old,
 extern void clockevents_set_mode(struct clock_event_device *dev,
                                  enum clock_event_mode mode);
 extern int clockevents_register_notifier(struct notifier_block *nb);
-extern void clockevents_unregister_notifier(struct notifier_block *nb);
 extern int clockevents_program_event(struct clock_event_device *dev,
                                      ktime_t expires, ktime_t now);
 
diff --git a/include/linux/init.h b/include/linux/init.h
index 1a4a283d19a9..74b1f43bf982 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -43,7 +43,7 @@
 #define __init          __attribute__ ((__section__ (".init.text"))) __cold
 #define __initdata      __attribute__ ((__section__ (".init.data")))
 #define __exitdata      __attribute__ ((__section__(".exit.data")))
-#define __exit_call     __attribute_used__ __attribute__ ((__section__ (".exitcall.exit"))) __cold
+#define __exit_call     __attribute_used__ __attribute__ ((__section__ (".exitcall.exit")))
 
 /* modpost check for section mismatches during the kernel build.
  * A section mismatch happens when there are references from a
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index b4f5b81b4257..f592df74b3cf 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -226,7 +226,7 @@ extern void print_hex_dump(const char *level, const char *prefix_str,
                                 int prefix_type, int rowsize, int groupsize,
                                 const void *buf, size_t len, bool ascii);
 extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
-                        void *buf, size_t len);
+                        const void *buf, size_t len);
 #define hex_asc(x)      "0123456789abcdef"[x]
 
 #ifdef DEBUG
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 28e3664fdf1b..cd13a78c5db8 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -75,7 +75,6 @@ struct proc_dir_entry {
         write_proc_t *write_proc;
         atomic_t count;         /* use count */
         int deleted;            /* delete flag */
-        void *set;
         int pde_users;  /* number of callers into module in progress */
         spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
         struct completion *pde_unload_completion;
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index c6b7485eac7c..fe17d7d750c2 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -281,7 +281,6 @@ extern void FASTCALL(call_rcu(struct rcu_head *head,
 extern void FASTCALL(call_rcu_bh(struct rcu_head *head,
                                 void (*func)(struct rcu_head *head)));
 extern void synchronize_rcu(void);
-void synchronize_idle(void);
 extern void rcu_barrier(void);
 
 #endif /* __KERNEL__ */
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 691a1748d9d2..6570719eafdf 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -274,6 +274,8 @@ struct tty_struct {
 #define TTY_PTY_LOCK            16      /* pty private */
 #define TTY_NO_WRITE_SPLIT      17      /* Preserve write boundaries to driver */
 #define TTY_HUPPED              18      /* Post driver->hangup() */
+#define TTY_FLUSHING            19      /* Flushing to ldisc in progress */
+#define TTY_FLUSHPENDING        20      /* Queued buffer flush pending */
 
 #define TTY_WRITE_FLUSH(tty) tty_write_flush((tty))