8 files changed, 35 insertions, 28 deletions

diff --git a/include/asm-x86/cmpxchg_32.h b/include/asm-x86/cmpxchg_32.h
index cea1dae288a7..959fad00dff5 100644
--- a/include/asm-x86/cmpxchg_32.h
+++ b/include/asm-x86/cmpxchg_32.h
@@ -269,22 +269,26 @@ static inline unsigned long cmpxchg_386(volatile void *ptr, unsigned long old,
 ({                                                                      \
         __typeof__(*(ptr)) __ret;                                       \
         if (likely(boot_cpu_data.x86 > 3))                              \
-                __ret = __cmpxchg((ptr), (unsigned long)(o),            \
-                                        (unsigned long)(n), sizeof(*(ptr))); \
+                __ret = (__typeof__(*(ptr)))__cmpxchg((ptr),            \
+                                (unsigned long)(o), (unsigned long)(n), \
+                                sizeof(*(ptr)));                        \
         else                                                            \
-                __ret = cmpxchg_386((ptr), (unsigned long)(o),          \
-                                        (unsigned long)(n), sizeof(*(ptr))); \
+                __ret = (__typeof__(*(ptr)))cmpxchg_386((ptr),          \
+                                (unsigned long)(o), (unsigned long)(n), \
+                                sizeof(*(ptr)));                        \
         __ret;                                                          \
 })
 #define cmpxchg_local(ptr, o, n)                                        \
 ({                                                                      \
         __typeof__(*(ptr)) __ret;                                       \
         if (likely(boot_cpu_data.x86 > 3))                              \
-                __ret = __cmpxchg_local((ptr), (unsigned long)(o),      \
-                                        (unsigned long)(n), sizeof(*(ptr))); \
+                __ret = (__typeof__(*(ptr)))__cmpxchg_local((ptr),      \
+                                (unsigned long)(o), (unsigned long)(n), \
+                                sizeof(*(ptr)));                        \
         else                                                            \
-                __ret = cmpxchg_386((ptr), (unsigned long)(o),          \
-                                        (unsigned long)(n), sizeof(*(ptr))); \
+                __ret = (__typeof__(*(ptr)))cmpxchg_386((ptr),          \
+                                (unsigned long)(o), (unsigned long)(n), \
+                                sizeof(*(ptr)));                        \
         __ret;                                                          \
 })
 #endif
@@ -301,10 +305,12 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64);
 ({                                                                      \
         __typeof__(*(ptr)) __ret;                                       \
         if (likely(boot_cpu_data.x86 > 4))                              \
-                __ret = __cmpxchg64((ptr), (unsigned long long)(o),     \
+                __ret = (__typeof__(*(ptr)))__cmpxchg64((ptr),          \
+                                (unsigned long long)(o),                \
                                 (unsigned long long)(n));               \
         else                                                            \
-                __ret = cmpxchg_486_u64((ptr), (unsigned long long)(o), \
+                __ret = (__typeof__(*(ptr)))cmpxchg_486_u64((ptr),      \
+                                (unsigned long long)(o),                \
                                 (unsigned long long)(n));               \
         __ret;                                                          \
 })
@@ -312,10 +318,12 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64);
 ({                                                                      \
         __typeof__(*(ptr)) __ret;                                       \
         if (likely(boot_cpu_data.x86 > 4))                              \
-                __ret = __cmpxchg64_local((ptr), (unsigned long long)(o), \
+                __ret = (__typeof__(*(ptr)))__cmpxchg64_local((ptr),    \
+                                (unsigned long long)(o),                \
                                 (unsigned long long)(n));               \
         else                                                            \
-                __ret = cmpxchg_486_u64((ptr), (unsigned long long)(o), \
+                __ret = (__typeof__(*(ptr)))cmpxchg_486_u64((ptr),      \
+                                (unsigned long long)(o),                \
                                 (unsigned long long)(n));               \
         __ret;                                                          \
 })
diff --git a/include/asm-x86/e820_32.h b/include/asm-x86/e820_32.h
index f1da7ebd1905..e7207a6de3e0 100644
--- a/include/asm-x86/e820_32.h
+++ b/include/asm-x86/e820_32.h
@@ -28,6 +28,8 @@ extern void find_max_pfn(void);
 extern void register_bootmem_low_pages(unsigned long max_low_pfn);
 extern void add_memory_region(unsigned long long start,
                               unsigned long long size, int type);
+extern void update_memory_range(u64 start, u64 size, unsigned old_type,
+                                unsigned new_type);
 extern void e820_register_memory(void);
 extern void limit_regions(unsigned long long size);
 extern void print_memory_map(char *who);
diff --git a/include/asm-x86/e820_64.h b/include/asm-x86/e820_64.h
index a560c4f5d500..22ede73ae724 100644
--- a/include/asm-x86/e820_64.h
+++ b/include/asm-x86/e820_64.h
@@ -18,6 +18,8 @@ extern unsigned long find_e820_area(unsigned long start, unsigned long end,
                                     unsigned size, unsigned long align);
 extern void add_memory_region(unsigned long start, unsigned long size, 
                               int type);
+extern void update_memory_range(u64 start, u64 size, unsigned old_type,
+                                unsigned new_type);
 extern void setup_memory_region(void);
 extern void contig_e820_setup(void); 
 extern unsigned long e820_end_of_ram(void);
diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h
index 58d2c45cd0b1..d4d8fbd9378c 100644
--- a/include/asm-x86/io_32.h
+++ b/include/asm-x86/io_32.h
@@ -114,13 +114,13 @@ static inline void * phys_to_virt(unsigned long address)
  * If the area you are trying to map is a PCI BAR you should have a
  * look at pci_iomap().
  */
-extern void __iomem *ioremap_nocache(unsigned long offset, unsigned long size);
-extern void __iomem *ioremap_cache(unsigned long offset, 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);
 
 /*
  * The default ioremap() behavior is non-cached:
  */
-static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
+static inline void __iomem *ioremap(resource_size_t offset, unsigned long size)
 {
         return ioremap_nocache(offset, size);
 }
diff --git a/include/asm-x86/io_64.h b/include/asm-x86/io_64.h
index f64a59cc396d..db0be2011a3c 100644
--- a/include/asm-x86/io_64.h
+++ b/include/asm-x86/io_64.h
@@ -158,13 +158,13 @@ extern void early_iounmap(void *addr, unsigned long size);
  * it's useful if some control registers are in such an area and write combining
  * or read caching is not desirable:
  */
-extern void __iomem *ioremap_nocache(unsigned long offset, unsigned long size);
-extern void __iomem *ioremap_cache(unsigned long offset, 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);
 
 /*
  * The default ioremap() behavior is non-cached:
  */
-static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
+static inline void __iomem *ioremap(resource_size_t offset, unsigned long size)
 {
         return ioremap_nocache(offset, size);
 }
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 1cb7c51bc296..a05b2896492f 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -52,13 +52,13 @@ extern int page_is_ram(unsigned long pagenr);
 
 struct page;
 
-static void inline clear_user_page(void *page, unsigned long vaddr,
+static inline void clear_user_page(void *page, unsigned long vaddr,
                                 struct page *pg)
 {
         clear_page(page);
 }
 
-static void inline copy_user_page(void *to, void *from, unsigned long vaddr,
+static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
                                 struct page *topage)
 {
         copy_page(to, from);
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 174b87738714..9cf472aeb9ce 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -85,6 +85,7 @@ extern pteval_t __PAGE_KERNEL, __PAGE_KERNEL_EXEC;
 #define __PAGE_KERNEL_RX                (__PAGE_KERNEL_EXEC & ~_PAGE_RW)
 #define __PAGE_KERNEL_EXEC_NOCACHE      (__PAGE_KERNEL_EXEC | _PAGE_PCD | _PAGE_PWT)
 #define __PAGE_KERNEL_NOCACHE           (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT)
+#define __PAGE_KERNEL_UC_MINUS          (__PAGE_KERNEL | _PAGE_PCD)
 #define __PAGE_KERNEL_VSYSCALL          (__PAGE_KERNEL_RX | _PAGE_USER)
 #define __PAGE_KERNEL_VSYSCALL_NOCACHE  (__PAGE_KERNEL_VSYSCALL | _PAGE_PCD | _PAGE_PWT)
 #define __PAGE_KERNEL_LARGE             (__PAGE_KERNEL | _PAGE_PSE)
@@ -101,6 +102,7 @@ extern pteval_t __PAGE_KERNEL, __PAGE_KERNEL_EXEC;
 #define PAGE_KERNEL_EXEC                MAKE_GLOBAL(__PAGE_KERNEL_EXEC)
 #define PAGE_KERNEL_RX                  MAKE_GLOBAL(__PAGE_KERNEL_RX)
 #define PAGE_KERNEL_NOCACHE             MAKE_GLOBAL(__PAGE_KERNEL_NOCACHE)
+#define PAGE_KERNEL_UC_MINUS            MAKE_GLOBAL(__PAGE_KERNEL_UC_MINUS)
 #define PAGE_KERNEL_EXEC_NOCACHE        MAKE_GLOBAL(__PAGE_KERNEL_EXEC_NOCACHE)
 #define PAGE_KERNEL_LARGE               MAKE_GLOBAL(__PAGE_KERNEL_LARGE)
 #define PAGE_KERNEL_LARGE_EXEC          MAKE_GLOBAL(__PAGE_KERNEL_LARGE_EXEC)
diff --git a/include/asm-x86/sync_bitops.h b/include/asm-x86/sync_bitops.h
index cbce08a2d135..6b775c905666 100644
--- a/include/asm-x86/sync_bitops.h
+++ b/include/asm-x86/sync_bitops.h
@@ -23,10 +23,6 @@
  * This function is atomic and may not be reordered.  See __set_bit()
  * if you do not require the atomic guarantees.
  *
- * Note: there are no guarantees that this function will not be reordered
- * on non-x86 architectures, so if you are writing portable code,
- * make sure not to rely on its reordering guarantees.
- *
  * Note that @nr may be almost arbitrarily large; this function is not
  * restricted to acting on a single-word quantity.
  */
@@ -61,8 +57,7 @@ static inline void sync_clear_bit(int nr, volatile unsigned long * addr)
  * @nr: Bit to change
  * @addr: Address to start counting from
  *
- * change_bit() is atomic and may not be reordered. It may be
- * reordered on other architectures than x86.
+ * sync_change_bit() is atomic and may not be reordered.
  * Note that @nr may be almost arbitrarily large; this function is not
  * restricted to acting on a single-word quantity.
  */
@@ -80,7 +75,6 @@ static inline void sync_change_bit(int nr, volatile unsigned long * addr)
  * @addr: Address to count from
  *
  * This operation is atomic and cannot be reordered.
- * It may be reordered on other architectures than x86.
  * It also implies a memory barrier.
  */
 static inline int sync_test_and_set_bit(int nr, volatile unsigned long * addr)
@@ -99,7 +93,6 @@ static inline int sync_test_and_set_bit(int nr, volatile unsigned long * addr)
  * @addr: Address to count from
  *
  * This operation is atomic and cannot be reordered.
- * It can be reorderdered on other architectures other than x86.
  * It also implies a memory barrier.
  */
 static inline int sync_test_and_clear_bit(int nr, volatile unsigned long * addr)