8 files changed, 74 insertions, 77 deletions

diff --git a/include/asm-generic/dma-coherent.h b/include/asm-generic/dma-coherent.h
index 2be8a2dbc868..0297e5875798 100644
--- a/include/asm-generic/dma-coherent.h
+++ b/include/asm-generic/dma-coherent.h
@@ -16,16 +16,13 @@ int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma,
  * Standard interface
  */
 #define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
-extern int
-dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
-                            dma_addr_t device_addr, size_t size, int flags);
+int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
+                                dma_addr_t device_addr, size_t size, int flags);
 
-extern void
-dma_release_declared_memory(struct device *dev);
+void dma_release_declared_memory(struct device *dev);
 
-extern void *
-dma_mark_declared_memory_occupied(struct device *dev,
-                                  dma_addr_t device_addr, size_t size);
+void *dma_mark_declared_memory_occupied(struct device *dev,
+                                        dma_addr_t device_addr, size_t size);
 #else
 #define dma_alloc_from_coherent(dev, size, handle, ret) (0)
 #define dma_release_from_coherent(dev, order, vaddr) (0)
diff --git a/include/asm-generic/fixmap.h b/include/asm-generic/fixmap.h
index 5a64ca4621f3..f23174fb9ec4 100644
--- a/include/asm-generic/fixmap.h
+++ b/include/asm-generic/fixmap.h
@@ -93,5 +93,8 @@ static inline unsigned long virt_to_fix(const unsigned long vaddr)
 #define set_fixmap_io(idx, phys) \
         __set_fixmap(idx, phys, FIXMAP_PAGE_IO)
 
+#define set_fixmap_offset_io(idx, phys) \
+        __set_fixmap_offset(idx, phys, FIXMAP_PAGE_IO)
+
 #endif /* __ASSEMBLY__ */
 #endif /* __ASM_GENERIC_FIXMAP_H */
diff --git a/include/asm-generic/ioctl.h b/include/asm-generic/ioctl.h
index d17295b290fa..297fb0d7cd6c 100644
--- a/include/asm-generic/ioctl.h
+++ b/include/asm-generic/ioctl.h
@@ -3,10 +3,15 @@
 
 #include <uapi/asm-generic/ioctl.h>
 
+#ifdef __CHECKER__
+#define _IOC_TYPECHECK(t) (sizeof(t))
+#else
 /* provoke compile error for invalid uses of size argument */
 extern unsigned int __invalid_size_argument_for_IOC;
 #define _IOC_TYPECHECK(t) \
         ((sizeof(t) == sizeof(t[1]) && \
           sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
           sizeof(t) : __invalid_size_argument_for_IOC)
+#endif
+
 #endif /* _ASM_GENERIC_IOCTL_H */
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 1ec08c198b66..53b2acc38213 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -233,6 +233,10 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b)
 # define pte_accessible(mm, pte)        ((void)(pte), 1)
 #endif
 
+#ifndef pte_present_nonuma
+#define pte_present_nonuma(pte) pte_present(pte)
+#endif
+
 #ifndef flush_tlb_fix_spurious_fault
 #define flush_tlb_fix_spurious_fault(vma, address) flush_tlb_page(vma, address)
 #endif
@@ -670,7 +674,7 @@ static inline int pmd_trans_unstable(pmd_t *pmd)
 static inline int pte_numa(pte_t pte)
 {
         return (pte_flags(pte) &
-                (_PAGE_NUMA|_PAGE_PRESENT)) == _PAGE_NUMA;
+                (_PAGE_NUMA|_PAGE_PROTNONE|_PAGE_PRESENT)) == _PAGE_NUMA;
 }
 #endif
 
@@ -678,7 +682,7 @@ static inline int pte_numa(pte_t pte)
 static inline int pmd_numa(pmd_t pmd)
 {
         return (pmd_flags(pmd) &
-                (_PAGE_NUMA|_PAGE_PRESENT)) == _PAGE_NUMA;
+                (_PAGE_NUMA|_PAGE_PROTNONE|_PAGE_PRESENT)) == _PAGE_NUMA;
 }
 #endif
 
@@ -693,24 +697,35 @@ static inline int pmd_numa(pmd_t pmd)
 #ifndef pte_mknonnuma
 static inline pte_t pte_mknonnuma(pte_t pte)
 {
-        pte = pte_clear_flags(pte, _PAGE_NUMA);
-        return pte_set_flags(pte, _PAGE_PRESENT|_PAGE_ACCESSED);
+        pteval_t val = pte_val(pte);
+
+        val &= ~_PAGE_NUMA;
+        val |= (_PAGE_PRESENT|_PAGE_ACCESSED);
+        return __pte(val);
 }
 #endif
 
 #ifndef pmd_mknonnuma
 static inline pmd_t pmd_mknonnuma(pmd_t pmd)
 {
-        pmd = pmd_clear_flags(pmd, _PAGE_NUMA);
-        return pmd_set_flags(pmd, _PAGE_PRESENT|_PAGE_ACCESSED);
+        pmdval_t val = pmd_val(pmd);
+
+        val &= ~_PAGE_NUMA;
+        val |= (_PAGE_PRESENT|_PAGE_ACCESSED);
+
+        return __pmd(val);
 }
 #endif
 
 #ifndef pte_mknuma
 static inline pte_t pte_mknuma(pte_t pte)
 {
-        pte = pte_set_flags(pte, _PAGE_NUMA);
-        return pte_clear_flags(pte, _PAGE_PRESENT);
+        pteval_t val = pte_val(pte);
+
+        val &= ~_PAGE_PRESENT;
+        val |= _PAGE_NUMA;
+
+        return __pte(val);
 }
 #endif
 
@@ -729,8 +744,12 @@ static inline void ptep_set_numa(struct mm_struct *mm, unsigned long addr,
 #ifndef pmd_mknuma
 static inline pmd_t pmd_mknuma(pmd_t pmd)
 {
-        pmd = pmd_set_flags(pmd, _PAGE_NUMA);
-        return pmd_clear_flags(pmd, _PAGE_PRESENT);
+        pmdval_t val = pmd_val(pmd);
+
+        val &= ~_PAGE_PRESENT;
+        val |= _PAGE_NUMA;
+
+        return __pmd(val);
 }
 #endif
 
diff --git a/include/asm-generic/resource.h b/include/asm-generic/resource.h
index b4ea8f50fc65..5e752b959054 100644
--- a/include/asm-generic/resource.h
+++ b/include/asm-generic/resource.h
@@ -12,7 +12,7 @@
         [RLIMIT_CPU]            = {  RLIM_INFINITY,  RLIM_INFINITY },   \
         [RLIMIT_FSIZE]          = {  RLIM_INFINITY,  RLIM_INFINITY },   \
         [RLIMIT_DATA]           = {  RLIM_INFINITY,  RLIM_INFINITY },   \
-        [RLIMIT_STACK]          = {       _STK_LIM,   _STK_LIM_MAX },   \
+        [RLIMIT_STACK]          = {       _STK_LIM,  RLIM_INFINITY },   \
         [RLIMIT_CORE]           = {              0,  RLIM_INFINITY },   \
         [RLIMIT_RSS]            = {  RLIM_INFINITY,  RLIM_INFINITY },   \
         [RLIMIT_NPROC]          = {              0,              0 },   \
diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h
index 03cf5936bad6..1ac097279db1 100644
--- a/include/asm-generic/unaligned.h
+++ b/include/asm-generic/unaligned.h
@@ -4,22 +4,27 @@
 /*
  * This is the most generic implementation of unaligned accesses
  * and should work almost anywhere.
- *
- * If an architecture can handle unaligned accesses in hardware,
- * it may want to use the linux/unaligned/access_ok.h implementation
- * instead.
  */
 #include <asm/byteorder.h>
 
+/* Set by the arch if it can handle unaligned accesses in hardware. */
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+# include <linux/unaligned/access_ok.h>
+#endif
+
 #if defined(__LITTLE_ENDIAN)
-# include <linux/unaligned/le_struct.h>
-# include <linux/unaligned/be_byteshift.h>
+# ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+#  include <linux/unaligned/le_struct.h>
+#  include <linux/unaligned/be_byteshift.h>
+# endif
 # include <linux/unaligned/generic.h>
 # define get_unaligned  __get_unaligned_le
 # define put_unaligned  __put_unaligned_le
 #elif defined(__BIG_ENDIAN)
-# include <linux/unaligned/be_struct.h>
-# include <linux/unaligned/le_byteshift.h>
+# ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+#  include <linux/unaligned/be_struct.h>
+#  include <linux/unaligned/le_byteshift.h>
+# endif
 # include <linux/unaligned/generic.h>
 # define get_unaligned  __get_unaligned_be
 # define put_unaligned  __put_unaligned_be
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 146e4fffd710..d647637cd699 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -139,52 +139,23 @@
 #define TRACE_SYSCALLS()
 #endif
 
-#ifdef CONFIG_CLKSRC_OF
-#define CLKSRC_OF_TABLES() . = ALIGN(8);                                \
-                           VMLINUX_SYMBOL(__clksrc_of_table) = .;       \
-                           *(__clksrc_of_table)                         \
-                           *(__clksrc_of_table_end)
-#else
-#define CLKSRC_OF_TABLES()
-#endif
 
-#ifdef CONFIG_IRQCHIP
-#define IRQCHIP_OF_MATCH_TABLE()                                        \
+#define ___OF_TABLE(cfg, name)  _OF_TABLE_##cfg(name)
+#define __OF_TABLE(cfg, name)   ___OF_TABLE(cfg, name)
+#define OF_TABLE(cfg, name)     __OF_TABLE(config_enabled(cfg), name)
+#define _OF_TABLE_0(name)
+#define _OF_TABLE_1(name)                                               \
         . = ALIGN(8);                                                   \
-        VMLINUX_SYMBOL(__irqchip_begin) = .;                            \
-        *(__irqchip_of_table)                                           \
-        *(__irqchip_of_end)
-#else
-#define IRQCHIP_OF_MATCH_TABLE()
-#endif
-
-#ifdef CONFIG_COMMON_CLK
-#define CLK_OF_TABLES() . = ALIGN(8);                           \
-                        VMLINUX_SYMBOL(__clk_of_table) = .;     \
-                        *(__clk_of_table)                       \
-                        *(__clk_of_table_end)
-#else
-#define CLK_OF_TABLES()
-#endif
-
-#ifdef CONFIG_OF_RESERVED_MEM
-#define RESERVEDMEM_OF_TABLES()                         \
-        . = ALIGN(8);                                   \
-        VMLINUX_SYMBOL(__reservedmem_of_table) = .;     \
-        *(__reservedmem_of_table)                       \
-        *(__reservedmem_of_table_end)
-#else
-#define RESERVEDMEM_OF_TABLES()
-#endif
+        VMLINUX_SYMBOL(__##name##_of_table) = .;                        \
+        *(__##name##_of_table)                                          \
+        *(__##name##_of_table_end)
 
-#ifdef CONFIG_SMP
-#define CPU_METHOD_OF_TABLES() . = ALIGN(8);                                \
-                           VMLINUX_SYMBOL(__cpu_method_of_table_begin) = .; \
-                           *(__cpu_method_of_table)                         \
-                           VMLINUX_SYMBOL(__cpu_method_of_table_end) = .;
-#else
-#define CPU_METHOD_OF_TABLES()
-#endif
+#define CLKSRC_OF_TABLES()      OF_TABLE(CONFIG_CLKSRC_OF, clksrc)
+#define IRQCHIP_OF_MATCH_TABLE() OF_TABLE(CONFIG_IRQCHIP, irqchip)
+#define CLK_OF_TABLES()         OF_TABLE(CONFIG_COMMON_CLK, clk)
+#define RESERVEDMEM_OF_TABLES() OF_TABLE(CONFIG_OF_RESERVED_MEM, reservedmem)
+#define CPU_METHOD_OF_TABLES()  OF_TABLE(CONFIG_SMP, cpu_method)
+#define EARLYCON_OF_TABLES()    OF_TABLE(CONFIG_SERIAL_EARLYCON, earlycon)
 
 #define KERNEL_DTB()                                                    \
         STRUCT_ALIGN();                                                 \
@@ -513,7 +484,8 @@
         CLKSRC_OF_TABLES()                                              \
         CPU_METHOD_OF_TABLES()                                          \
         KERNEL_DTB()                                                    \
-        IRQCHIP_OF_MATCH_TABLE()
+        IRQCHIP_OF_MATCH_TABLE()                                        \
+        EARLYCON_OF_TABLES()
 
 #define INIT_TEXT                                                       \
         *(.init.text)                                                   \
diff --git a/include/asm-generic/word-at-a-time.h b/include/asm-generic/word-at-a-time.h
index d3909effd725..94f9ea8abcae 100644
--- a/include/asm-generic/word-at-a-time.h
+++ b/include/asm-generic/word-at-a-time.h
@@ -50,11 +50,7 @@ static inline bool has_zero(unsigned long val, unsigned long *data, const struct
 }
 
 #ifndef zero_bytemask
-#ifdef CONFIG_64BIT
-#define zero_bytemask(mask)     (~0ul << fls64(mask))
-#else
-#define zero_bytemask(mask)     (~0ul << fls(mask))
-#endif /* CONFIG_64BIT */
-#endif /* zero_bytemask */
+#define zero_bytemask(mask) (~1ul << __fls(mask))
+#endif
 
 #endif /* _ASM_WORD_AT_A_TIME_H */