14 files changed, 108 insertions, 41 deletions

diff --git a/include/asm-generic/Kbuild.asm b/include/asm-generic/Kbuild.asm
index 290910e4ede4..96d7c9804dc1 100644
--- a/include/asm-generic/Kbuild.asm
+++ b/include/asm-generic/Kbuild.asm
@@ -3,6 +3,11 @@ ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/kvm.h \
 header-y  += kvm.h
 endif
 
+ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/kvm_para.h \
+                  $(srctree)/include/asm-$(SRCARCH)/kvm_para.h),)
+header-y  += kvm_para.h
+endif
+
 ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/a.out.h \
                   $(srctree)/include/asm-$(SRCARCH)/a.out.h),)
 unifdef-y += a.out.h
diff --git a/include/asm-generic/device.h b/include/asm-generic/device.h
index c17c9600f220..d7c76bba640d 100644
--- a/include/asm-generic/device.h
+++ b/include/asm-generic/device.h
@@ -9,4 +9,7 @@
 struct dev_archdata {
 };
 
+struct pdev_archdata {
+};
+
 #endif /* _ASM_GENERIC_DEVICE_H */
diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h
index 5406a601185c..e694263445f7 100644
--- a/include/asm-generic/dma-mapping-common.h
+++ b/include/asm-generic/dma-mapping-common.h
@@ -103,7 +103,6 @@ static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t addr,
         if (ops->sync_single_for_cpu)
                 ops->sync_single_for_cpu(dev, addr, size, dir);
         debug_dma_sync_single_for_cpu(dev, addr, size, dir);
-        flush_write_buffers();
 }
 
 static inline void dma_sync_single_for_device(struct device *dev,
@@ -116,7 +115,6 @@ static inline void dma_sync_single_for_device(struct device *dev,
         if (ops->sync_single_for_device)
                 ops->sync_single_for_device(dev, addr, size, dir);
         debug_dma_sync_single_for_device(dev, addr, size, dir);
-        flush_write_buffers();
 }
 
 static inline void dma_sync_single_range_for_cpu(struct device *dev,
@@ -132,7 +130,6 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
                 ops->sync_single_range_for_cpu(dev, addr, offset, size, dir);
                 debug_dma_sync_single_range_for_cpu(dev, addr, offset, size, dir);
 
-                flush_write_buffers();
         } else
                 dma_sync_single_for_cpu(dev, addr, size, dir);
 }
@@ -150,7 +147,6 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
                 ops->sync_single_range_for_device(dev, addr, offset, size, dir);
                 debug_dma_sync_single_range_for_device(dev, addr, offset, size, dir);
 
-                flush_write_buffers();
         } else
                 dma_sync_single_for_device(dev, addr, size, dir);
 }
@@ -165,7 +161,6 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
         if (ops->sync_sg_for_cpu)
                 ops->sync_sg_for_cpu(dev, sg, nelems, dir);
         debug_dma_sync_sg_for_cpu(dev, sg, nelems, dir);
-        flush_write_buffers();
 }
 
 static inline void
@@ -179,7 +174,6 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
                 ops->sync_sg_for_device(dev, sg, nelems, dir);
         debug_dma_sync_sg_for_device(dev, sg, nelems, dir);
 
-        flush_write_buffers();
 }
 
 #define dma_map_single(d, a, s, r) dma_map_single_attrs(d, a, s, r, NULL)
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index d6c379dc64fa..9cca3785cab8 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -141,6 +141,8 @@ extern int __gpio_to_irq(unsigned gpio);
  * but more typically is configured entirely from userspace.
  */
 extern int gpio_export(unsigned gpio, bool direction_may_change);
+extern int gpio_export_link(struct device *dev, const char *name,
+                        unsigned gpio);
 extern void gpio_unexport(unsigned gpio);
 
 #endif  /* CONFIG_GPIO_SYSFS */
@@ -185,6 +187,12 @@ static inline int gpio_export(unsigned gpio, bool direction_may_change)
         return -ENOSYS;
 }
 
+static inline int gpio_export_link(struct device *dev, const char *name,
+                                unsigned gpio)
+{
+        return -ENOSYS;
+}
+
 static inline void gpio_unexport(unsigned gpio)
 {
 }
diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h
index eddbce0f9fb9..e5f234a08540 100644
--- a/include/asm-generic/kmap_types.h
+++ b/include/asm-generic/kmap_types.h
@@ -2,34 +2,35 @@
 #define _ASM_GENERIC_KMAP_TYPES_H
 
 #ifdef __WITH_KM_FENCE
-# define D(n) __KM_FENCE_##n ,
+# define KMAP_D(n) __KM_FENCE_##n ,
 #else
-# define D(n)
+# define KMAP_D(n)
 #endif
 
 enum km_type {
-D(0)    KM_BOUNCE_READ,
-D(1)    KM_SKB_SUNRPC_DATA,
-D(2)    KM_SKB_DATA_SOFTIRQ,
-D(3)    KM_USER0,
-D(4)    KM_USER1,
-D(5)    KM_BIO_SRC_IRQ,
-D(6)    KM_BIO_DST_IRQ,
-D(7)    KM_PTE0,
-D(8)    KM_PTE1,
-D(9)    KM_IRQ0,
-D(10)   KM_IRQ1,
-D(11)   KM_SOFTIRQ0,
-D(12)   KM_SOFTIRQ1,
-D(13)   KM_SYNC_ICACHE,
-D(14)   KM_SYNC_DCACHE,
-D(15)   KM_UML_USERCOPY, /* UML specific, for copy_*_user - used in do_op_one_page */
-D(16)   KM_IRQ_PTE,
-D(17)   KM_NMI,
-D(18)   KM_NMI_PTE,
-D(19)   KM_TYPE_NR
+KMAP_D(0)       KM_BOUNCE_READ,
+KMAP_D(1)       KM_SKB_SUNRPC_DATA,
+KMAP_D(2)       KM_SKB_DATA_SOFTIRQ,
+KMAP_D(3)       KM_USER0,
+KMAP_D(4)       KM_USER1,
+KMAP_D(5)       KM_BIO_SRC_IRQ,
+KMAP_D(6)       KM_BIO_DST_IRQ,
+KMAP_D(7)       KM_PTE0,
+KMAP_D(8)       KM_PTE1,
+KMAP_D(9)       KM_IRQ0,
+KMAP_D(10)      KM_IRQ1,
+KMAP_D(11)      KM_SOFTIRQ0,
+KMAP_D(12)      KM_SOFTIRQ1,
+KMAP_D(13)      KM_SYNC_ICACHE,
+KMAP_D(14)      KM_SYNC_DCACHE,
+/* UML specific, for copy_*_user - used in do_op_one_page */
+KMAP_D(15)      KM_UML_USERCOPY,
+KMAP_D(16)      KM_IRQ_PTE,
+KMAP_D(17)      KM_NMI,
+KMAP_D(18)      KM_NMI_PTE,
+KMAP_D(19)      KM_TYPE_NR
 };
 
-#undef D
+#undef KMAP_D
 
 #endif
diff --git a/include/asm-generic/mman-common.h b/include/asm-generic/mman-common.h
index 3b69ad34189a..dd63bd38864b 100644
--- a/include/asm-generic/mman-common.h
+++ b/include/asm-generic/mman-common.h
@@ -35,6 +35,9 @@
 #define MADV_DONTFORK   10              /* don't inherit across fork */
 #define MADV_DOFORK     11              /* do inherit across fork */
 
+#define MADV_MERGEABLE   12             /* KSM may merge identical pages */
+#define MADV_UNMERGEABLE 13             /* KSM may not merge identical pages */
+
 /* compatibility flags */
 #define MAP_FILE        0
 
diff --git a/include/asm-generic/mman.h b/include/asm-generic/mman.h
index 7cab4de2bca6..32c8bd6a196d 100644
--- a/include/asm-generic/mman.h
+++ b/include/asm-generic/mman.h
@@ -11,6 +11,7 @@
 #define MAP_POPULATE    0x8000          /* populate (prefault) pagetables */
 #define MAP_NONBLOCK    0x10000         /* do not block on IO */
 #define MAP_STACK       0x20000         /* give out an address that is best suited for process/thread stacks */
+#define MAP_HUGETLB     0x40000         /* create a huge page mapping */
 
 #define MCL_CURRENT     1               /* lock all current mappings */
 #define MCL_FUTURE      2               /* lock all future mappings */
diff --git a/include/asm-generic/pci.h b/include/asm-generic/pci.h
index b4326b5466eb..26373cff4546 100644
--- a/include/asm-generic/pci.h
+++ b/include/asm-generic/pci.h
@@ -30,7 +30,18 @@ pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
         res->end = region->end;
 }
 
-#define pcibios_scan_all_fns(a, b)      0
+static inline struct resource *
+pcibios_select_root(struct pci_dev *pdev, struct resource *res)
+{
+        struct resource *root = NULL;
+
+        if (res->flags & IORESOURCE_IO)
+                root = &ioport_resource;
+        if (res->flags & IORESOURCE_MEM)
+                root = &iomem_resource;
+
+        return root;
+}
 
 #ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index aa00800adacc..90079c373f1c 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -81,14 +81,17 @@ extern void setup_per_cpu_areas(void);
 
 #ifdef MODULE
 #define PER_CPU_SHARED_ALIGNED_SECTION ""
+#define PER_CPU_ALIGNED_SECTION ""
 #else
 #define PER_CPU_SHARED_ALIGNED_SECTION ".shared_aligned"
+#define PER_CPU_ALIGNED_SECTION ".shared_aligned"
 #endif
 #define PER_CPU_FIRST_SECTION ".first"
 
 #else
 
 #define PER_CPU_SHARED_ALIGNED_SECTION ""
+#define PER_CPU_ALIGNED_SECTION ".shared_aligned"
 #define PER_CPU_FIRST_SECTION ""
 
 #endif
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index d083561337f2..b3bfabc258f3 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h
@@ -23,4 +23,20 @@ extern char __ctors_start[], __ctors_end[];
 #define dereference_function_descriptor(p) (p)
 #endif
 
+/* random extra sections (if any).  Override
+ * in asm/sections.h */
+#ifndef arch_is_kernel_text
+static inline int arch_is_kernel_text(unsigned long addr)
+{
+        return 0;
+}
+#endif
+
+#ifndef arch_is_kernel_data
+static inline int arch_is_kernel_data(unsigned long addr)
+{
+        return 0;
+}
+#endif
+
 #endif /* _ASM_GENERIC_SECTIONS_H_ */
diff --git a/include/asm-generic/socket.h b/include/asm-generic/socket.h
index 5d79e409241c..538991cef6f0 100644
--- a/include/asm-generic/socket.h
+++ b/include/asm-generic/socket.h
@@ -60,4 +60,7 @@
 #define SO_TIMESTAMPING         37
 #define SCM_TIMESTAMPING        SO_TIMESTAMPING
 
+#define SO_PROTOCOL             38
+#define SO_DOMAIN               39
+
 #endif /* __ASM_GENERIC_SOCKET_H */
diff --git a/include/asm-generic/syscall.h b/include/asm-generic/syscall.h
index ea8087b55ffc..5c122ae6bfa6 100644
--- a/include/asm-generic/syscall.h
+++ b/include/asm-generic/syscall.h
@@ -1,7 +1,7 @@
 /*
  * Access to user system call parameters and results
  *
- * Copyright (C) 2008 Red Hat, Inc.  All rights reserved.
+ * Copyright (C) 2008-2009 Red Hat, Inc.  All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
  * modify, copy, or redistribute it subject to the terms and conditions
@@ -32,9 +32,13 @@ struct pt_regs;
  * If @task is not executing a system call, i.e. it's blocked
  * inside the kernel for a fault or signal, returns -1.
  *
+ * Note this returns int even on 64-bit machines.  Only 32 bits of
+ * system call number can be meaningful.  If the actual arch value
+ * is 64 bits, this truncates to 32 bits so 0xffffffff means -1.
+ *
  * It's only valid to call this when @task is known to be blocked.
  */
-long syscall_get_nr(struct task_struct *task, struct pt_regs *regs);
+int syscall_get_nr(struct task_struct *task, struct pt_regs *regs);
 
 /**
  * syscall_rollback - roll back registers after an aborted system call
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index 1125e5a1ee5d..d76b66acea95 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -620,8 +620,8 @@ __SYSCALL(__NR_move_pages, sys_move_pages)
 
 #define __NR_rt_tgsigqueueinfo 240
 __SYSCALL(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo)
-#define __NR_perf_counter_open 241
-__SYSCALL(__NR_perf_counter_open, sys_perf_counter_open)
+#define __NR_perf_event_open 241
+__SYSCALL(__NR_perf_event_open, sys_perf_event_open)
 
 #undef __NR_syscalls
 #define __NR_syscalls 242
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 6ad76bf5fb40..29ca8f53ffbe 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -33,13 +33,10 @@
  *      BSS_SECTION(0, 0, 0)
  *      _end = .;
  *
- *      /DISCARD/ : {
- *              EXIT_TEXT
- *              EXIT_DATA
- *              EXIT_CALL
- *      }
  *      STABS_DEBUG
  *      DWARF_DEBUG
+ *
+ *      DISCARDS                // must be the last
  * }
  *
  * [__init_begin, __init_end] is the init section that may be freed after init
@@ -91,7 +88,8 @@
 #endif
 
 #ifdef CONFIG_FTRACE_MCOUNT_RECORD
-#define MCOUNT_REC()    VMLINUX_SYMBOL(__start_mcount_loc) = .; \
+#define MCOUNT_REC()    . = ALIGN(8);                           \
+                        VMLINUX_SYMBOL(__start_mcount_loc) = .; \
                         *(__mcount_loc)                         \
                         VMLINUX_SYMBOL(__stop_mcount_loc) = .;
 #else
@@ -331,7 +329,6 @@
         /* __*init sections */                                          \
         __init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) {         \
                 *(.ref.rodata)                                          \
-                MCOUNT_REC()                                            \
                 DEV_KEEP(init.rodata)                                   \
                 DEV_KEEP(exit.rodata)                                   \
                 CPU_KEEP(init.rodata)                                   \
@@ -455,6 +452,7 @@
         MEM_DISCARD(init.data)                                          \
         KERNEL_CTORS()                                                  \
         *(.init.rodata)                                                 \
+        MCOUNT_REC()                                                    \
         DEV_DISCARD(init.rodata)                                        \
         CPU_DISCARD(init.rodata)                                        \
         MEM_DISCARD(init.rodata)
@@ -626,6 +624,23 @@
 #define INIT_RAM_FS
 #endif
 
+/*
+ * Default discarded sections.
+ *
+ * Some archs want to discard exit text/data at runtime rather than
+ * link time due to cross-section references such as alt instructions,
+ * bug table, eh_frame, etc.  DISCARDS must be the last of output
+ * section definitions so that such archs put those in earlier section
+ * definitions.
+ */
+#define DISCARDS                                                        \
+        /DISCARD/ : {                                                   \
+        EXIT_TEXT                                                       \
+        EXIT_DATA                                                       \
+        EXIT_CALL                                                       \
+        *(.discard)                                                     \
+        }
+
 /**
  * PERCPU_VADDR - define output section for percpu area
  * @vaddr: explicit base address (optional)