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-rw-r--r--include/asm-generic/audit_change_attr.h4
-rw-r--r--include/asm-generic/audit_write.h6
-rw-r--r--include/asm-generic/barrier.h55
-rw-r--r--include/asm-generic/fixmap.h97
-rw-r--r--include/asm-generic/hash.h9
-rw-r--r--include/asm-generic/int-l64.h49
-rw-r--r--include/asm-generic/uaccess.h2
7 files changed, 159 insertions, 63 deletions
diff --git a/include/asm-generic/audit_change_attr.h b/include/asm-generic/audit_change_attr.h
index 89b73e5d0fd0..a1865537339b 100644
--- a/include/asm-generic/audit_change_attr.h
+++ b/include/asm-generic/audit_change_attr.h
@@ -4,9 +4,11 @@ __NR_chmod,
__NR_fchmod,
#ifdef __NR_chown
__NR_chown,
-__NR_fchown,
__NR_lchown,
#endif
+#ifdef __NR_fchown
+__NR_fchown,
+#endif
__NR_setxattr,
__NR_lsetxattr,
__NR_fsetxattr,
diff --git a/include/asm-generic/audit_write.h b/include/asm-generic/audit_write.h
index e7020c57b13b..274575d7129f 100644
--- a/include/asm-generic/audit_write.h
+++ b/include/asm-generic/audit_write.h
@@ -10,6 +10,12 @@ __NR_truncate,
#ifdef __NR_truncate64
__NR_truncate64,
#endif
+#ifdef __NR_ftruncate
+__NR_ftruncate,
+#endif
+#ifdef __NR_ftruncate64
+__NR_ftruncate64,
+#endif
#ifdef __NR_bind
__NR_bind, /* bind can affect fs object only in one way... */
#endif
diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h
index 639d7a4d033b..6f692f8ac664 100644
--- a/include/asm-generic/barrier.h
+++ b/include/asm-generic/barrier.h
@@ -1,4 +1,5 @@
-/* Generic barrier definitions, based on MN10300 definitions.
+/*
+ * Generic barrier definitions, originally based on MN10300 definitions.
*
* It should be possible to use these on really simple architectures,
* but it serves more as a starting point for new ports.
@@ -16,35 +17,65 @@
#ifndef __ASSEMBLY__
-#define nop() asm volatile ("nop")
+#include <linux/compiler.h>
+
+#ifndef nop
+#define nop() asm volatile ("nop")
+#endif
/*
- * Force strict CPU ordering.
- * And yes, this is required on UP too when we're talking
- * to devices.
+ * Force strict CPU ordering. And yes, this is required on UP too when we're
+ * talking to devices.
*
- * This implementation only contains a compiler barrier.
+ * Fall back to compiler barriers if nothing better is provided.
*/
-#define mb() asm volatile ("": : :"memory")
+#ifndef mb
+#define mb() barrier()
+#endif
+
+#ifndef rmb
#define rmb() mb()
-#define wmb() asm volatile ("": : :"memory")
+#endif
+
+#ifndef wmb
+#define wmb() mb()
+#endif
+
+#ifndef read_barrier_depends
+#define read_barrier_depends() do { } while (0)
+#endif
#ifdef CONFIG_SMP
#define smp_mb() mb()
#define smp_rmb() rmb()
#define smp_wmb() wmb()
+#define smp_read_barrier_depends() read_barrier_depends()
#else
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
+#define smp_read_barrier_depends() do { } while (0)
+#endif
+
+#ifndef set_mb
+#define set_mb(var, value) do { (var) = (value); mb(); } while (0)
#endif
-#define set_mb(var, value) do { var = value; mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
-#define read_barrier_depends() do {} while (0)
-#define smp_read_barrier_depends() do {} while (0)
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ___p1; \
+})
#endif /* !__ASSEMBLY__ */
#endif /* __ASM_GENERIC_BARRIER_H */
diff --git a/include/asm-generic/fixmap.h b/include/asm-generic/fixmap.h
new file mode 100644
index 000000000000..5a64ca4621f3
--- /dev/null
+++ b/include/asm-generic/fixmap.h
@@ -0,0 +1,97 @@
+/*
+ * fixmap.h: compile-time virtual memory allocation
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1998 Ingo Molnar
+ *
+ * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999
+ * x86_32 and x86_64 integration by Gustavo F. Padovan, February 2009
+ * Break out common bits to asm-generic by Mark Salter, November 2013
+ */
+
+#ifndef __ASM_GENERIC_FIXMAP_H
+#define __ASM_GENERIC_FIXMAP_H
+
+#include <linux/bug.h>
+
+#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT))
+#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT)
+
+#ifndef __ASSEMBLY__
+/*
+ * 'index to address' translation. If anyone tries to use the idx
+ * directly without translation, we catch the bug with a NULL-deference
+ * kernel oops. Illegal ranges of incoming indices are caught too.
+ */
+static __always_inline unsigned long fix_to_virt(const unsigned int idx)
+{
+ BUILD_BUG_ON(idx >= __end_of_fixed_addresses);
+ return __fix_to_virt(idx);
+}
+
+static inline unsigned long virt_to_fix(const unsigned long vaddr)
+{
+ BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START);
+ return __virt_to_fix(vaddr);
+}
+
+/*
+ * Provide some reasonable defaults for page flags.
+ * Not all architectures use all of these different types and some
+ * architectures use different names.
+ */
+#ifndef FIXMAP_PAGE_NORMAL
+#define FIXMAP_PAGE_NORMAL PAGE_KERNEL
+#endif
+#ifndef FIXMAP_PAGE_NOCACHE
+#define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NOCACHE
+#endif
+#ifndef FIXMAP_PAGE_IO
+#define FIXMAP_PAGE_IO PAGE_KERNEL_IO
+#endif
+#ifndef FIXMAP_PAGE_CLEAR
+#define FIXMAP_PAGE_CLEAR __pgprot(0)
+#endif
+
+#ifndef set_fixmap
+#define set_fixmap(idx, phys) \
+ __set_fixmap(idx, phys, FIXMAP_PAGE_NORMAL)
+#endif
+
+#ifndef clear_fixmap
+#define clear_fixmap(idx) \
+ __set_fixmap(idx, 0, FIXMAP_PAGE_CLEAR)
+#endif
+
+/* Return a pointer with offset calculated */
+#define __set_fixmap_offset(idx, phys, flags) \
+({ \
+ unsigned long addr; \
+ __set_fixmap(idx, phys, flags); \
+ addr = fix_to_virt(idx) + ((phys) & (PAGE_SIZE - 1)); \
+ addr; \
+})
+
+#define set_fixmap_offset(idx, phys) \
+ __set_fixmap_offset(idx, phys, FIXMAP_PAGE_NORMAL)
+
+/*
+ * Some hardware wants to get fixmapped without caching.
+ */
+#define set_fixmap_nocache(idx, phys) \
+ __set_fixmap(idx, phys, FIXMAP_PAGE_NOCACHE)
+
+#define set_fixmap_offset_nocache(idx, phys) \
+ __set_fixmap_offset(idx, phys, FIXMAP_PAGE_NOCACHE)
+
+/*
+ * Some fixmaps are for IO
+ */
+#define set_fixmap_io(idx, phys) \
+ __set_fixmap(idx, phys, FIXMAP_PAGE_IO)
+
+#endif /* __ASSEMBLY__ */
+#endif /* __ASM_GENERIC_FIXMAP_H */
diff --git a/include/asm-generic/hash.h b/include/asm-generic/hash.h
new file mode 100644
index 000000000000..b6312843dbd9
--- /dev/null
+++ b/include/asm-generic/hash.h
@@ -0,0 +1,9 @@
+#ifndef __ASM_GENERIC_HASH_H
+#define __ASM_GENERIC_HASH_H
+
+struct fast_hash_ops;
+static inline void setup_arch_fast_hash(struct fast_hash_ops *ops)
+{
+}
+
+#endif /* __ASM_GENERIC_HASH_H */
diff --git a/include/asm-generic/int-l64.h b/include/asm-generic/int-l64.h
deleted file mode 100644
index 27d4ec0dfce0..000000000000
--- a/include/asm-generic/int-l64.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * asm-generic/int-l64.h
- *
- * Integer declarations for architectures which use "long"
- * for 64-bit types.
- */
-#ifndef _ASM_GENERIC_INT_L64_H
-#define _ASM_GENERIC_INT_L64_H
-
-#include <uapi/asm-generic/int-l64.h>
-
-
-#ifndef __ASSEMBLY__
-
-typedef signed char s8;
-typedef unsigned char u8;
-
-typedef signed short s16;
-typedef unsigned short u16;
-
-typedef signed int s32;
-typedef unsigned int u32;
-
-typedef signed long s64;
-typedef unsigned long u64;
-
-#define S8_C(x) x
-#define U8_C(x) x ## U
-#define S16_C(x) x
-#define U16_C(x) x ## U
-#define S32_C(x) x
-#define U32_C(x) x ## U
-#define S64_C(x) x ## L
-#define U64_C(x) x ## UL
-
-#else /* __ASSEMBLY__ */
-
-#define S8_C(x) x
-#define U8_C(x) x
-#define S16_C(x) x
-#define U16_C(x) x
-#define S32_C(x) x
-#define U32_C(x) x
-#define S64_C(x) x
-#define U64_C(x) x
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _ASM_GENERIC_INT_L64_H */
diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h
index dc1269c74a52..72d8803832ff 100644
--- a/include/asm-generic/uaccess.h
+++ b/include/asm-generic/uaccess.h
@@ -3,7 +3,7 @@
/*
* User space memory access functions, these should work
- * on a ny machine that has kernel and user data in the same
+ * on any machine that has kernel and user data in the same
* address space, e.g. all NOMMU machines.
*/
#include <linux/sched.h>