Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-latest

8 files changed, 48 insertions, 17 deletions

diff --git a/include/asm-generic/cputime.h b/include/asm-generic/cputime.h
index 2bcc5c7c22a6..61e03dd7939e 100644
--- a/include/asm-generic/cputime.h
+++ b/include/asm-generic/cputime.h
@@ -30,6 +30,9 @@ typedef u64 cputime64_t;
 #define cputime64_to_jiffies64(__ct)    (__ct)
 #define jiffies64_to_cputime64(__jif)   (__jif)
 #define cputime_to_cputime64(__ct)      ((u64) __ct)
+#define cputime64_gt(__a, __b)          ((__a) >  (__b))
+
+#define nsecs_to_cputime64(__ct)        nsecs_to_jiffies64(__ct)
 
 
 /*
diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h
index 0fc16e3f0bfc..84793c7025e2 100644
--- a/include/asm-generic/fcntl.h
+++ b/include/asm-generic/fcntl.h
@@ -80,6 +80,10 @@
 #define O_SYNC          (__O_SYNC|O_DSYNC)
 #endif
 
+#ifndef O_PATH
+#define O_PATH          010000000
+#endif
+
 #ifndef O_NDELAY
 #define O_NDELAY        O_NONBLOCK
 #endif
diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h
index 3c2344f48136..01f227e14254 100644
--- a/include/asm-generic/futex.h
+++ b/include/asm-generic/futex.h
@@ -6,7 +6,7 @@
 #include <asm/errno.h>
 
 static inline int
-futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
+futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
 {
         int op = (encoded_op >> 28) & 7;
         int cmp = (encoded_op >> 24) & 15;
@@ -16,7 +16,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
         if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
                 oparg = 1 << oparg;
 
-        if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
+        if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
                 return -EFAULT;
 
         pagefault_disable();
@@ -48,7 +48,8 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 }
 
 static inline int
-futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
+                              u32 oldval, u32 newval)
 {
         return -ENOSYS;
 }
diff --git a/include/asm-generic/ioctls.h b/include/asm-generic/ioctls.h
index 3f3f2d189fb8..199975fac395 100644
--- a/include/asm-generic/ioctls.h
+++ b/include/asm-generic/ioctls.h
@@ -73,6 +73,7 @@
 #define TCSETXF         0x5434
 #define TCSETXW         0x5435
 #define TIOCSIG         _IOW('T', 0x36, int)  /* pty: generate signal */
+#define TIOCVHANGUP     0x5437
 
 #define FIONCLEX        0x5450
 #define FIOCLEX         0x5451
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 31b6188df221..b4bfe338ea0e 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -4,6 +4,8 @@
 #ifndef __ASSEMBLY__
 #ifdef CONFIG_MMU
 
+#include <linux/mm_types.h>
+
 #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
 extern int ptep_set_access_flags(struct vm_area_struct *vma,
                                  unsigned long address, pte_t *ptep,
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index b3bfabc258f3..c1a1216e29ce 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h
@@ -11,6 +11,7 @@ extern char _sinittext[], _einittext[];
 extern char _end[];
 extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[];
 extern char __kprobes_text_start[], __kprobes_text_end[];
+extern char __entry_text_start[], __entry_text_end[];
 extern char __initdata_begin[], __initdata_end[];
 extern char __start_rodata[], __end_rodata[];
 
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index b969770196c2..57af0338d270 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -646,9 +646,13 @@ __SYSCALL(__NR_prlimit64, sys_prlimit64)
 __SYSCALL(__NR_fanotify_init, sys_fanotify_init)
 #define __NR_fanotify_mark 263
 __SYSCALL(__NR_fanotify_mark, sys_fanotify_mark)
+#define __NR_name_to_handle_at          264
+__SYSCALL(__NR_name_to_handle_at, sys_name_to_handle_at)
+#define __NR_open_by_handle_at          265
+__SYSCALL(__NR_open_by_handle_at, sys_open_by_handle_at)
 
 #undef __NR_syscalls
-#define __NR_syscalls 264
+#define __NR_syscalls 266
 
 /*
  * All syscalls below here should go away really,
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index fe77e3395b40..32c45e5fe0ab 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -15,7 +15,7 @@
  *      HEAD_TEXT_SECTION
  *      INIT_TEXT_SECTION(PAGE_SIZE)
  *      INIT_DATA_SECTION(...)
- *      PERCPU(PAGE_SIZE)
+ *      PERCPU(CACHELINE_SIZE, PAGE_SIZE)
  *      __init_end = .;
  *
  *      _stext = .;
@@ -424,6 +424,12 @@
                 *(.kprobes.text)                                        \
                 VMLINUX_SYMBOL(__kprobes_text_end) = .;
 
+#define ENTRY_TEXT                                                      \
+                ALIGN_FUNCTION();                                       \
+                VMLINUX_SYMBOL(__entry_text_start) = .;                 \
+                *(.entry.text)                                          \
+                VMLINUX_SYMBOL(__entry_text_end) = .;
+
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 #define IRQENTRY_TEXT                                                   \
                 ALIGN_FUNCTION();                                       \
@@ -683,13 +689,18 @@
 
 /**
  * PERCPU_VADDR - define output section for percpu area
+ * @cacheline: cacheline size
  * @vaddr: explicit base address (optional)
  * @phdr: destination PHDR (optional)
  *
- * Macro which expands to output section for percpu area.  If @vaddr
- * is not blank, it specifies explicit base address and all percpu
- * symbols will be offset from the given address.  If blank, @vaddr
- * always equals @laddr + LOAD_OFFSET.
+ * Macro which expands to output section for percpu area.
+ *
+ * @cacheline is used to align subsections to avoid false cacheline
+ * sharing between subsections for different purposes.
+ *
+ * If @vaddr is not blank, it specifies explicit base address and all
+ * percpu symbols will be offset from the given address.  If blank,
+ * @vaddr always equals @laddr + LOAD_OFFSET.
  *
  * @phdr defines the output PHDR to use if not blank.  Be warned that
  * output PHDR is sticky.  If @phdr is specified, the next output
@@ -700,7 +711,7 @@
  * If there is no need to put the percpu section at a predetermined
  * address, use PERCPU().
  */
-#define PERCPU_VADDR(vaddr, phdr)                                       \
+#define PERCPU_VADDR(cacheline, vaddr, phdr)                            \
         VMLINUX_SYMBOL(__per_cpu_load) = .;                             \
         .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load)         \
                                 - LOAD_OFFSET) {                        \
@@ -708,7 +719,9 @@
                 *(.data..percpu..first)                                 \
                 . = ALIGN(PAGE_SIZE);                                   \
                 *(.data..percpu..page_aligned)                          \
+                . = ALIGN(cacheline);                                   \
                 *(.data..percpu..readmostly)                            \
+                . = ALIGN(cacheline);                                   \
                 *(.data..percpu)                                        \
                 *(.data..percpu..shared_aligned)                        \
                 VMLINUX_SYMBOL(__per_cpu_end) = .;                      \
@@ -717,18 +730,18 @@
 
 /**
  * PERCPU - define output section for percpu area, simple version
+ * @cacheline: cacheline size
  * @align: required alignment
  *
- * Align to @align and outputs output section for percpu area.  This
- * macro doesn't maniuplate @vaddr or @phdr and __per_cpu_load and
+ * Align to @align and outputs output section for percpu area.  This macro
+ * doesn't manipulate @vaddr or @phdr and __per_cpu_load and
  * __per_cpu_start will be identical.
  *
- * This macro is equivalent to ALIGN(align); PERCPU_VADDR( , ) except
- * that __per_cpu_load is defined as a relative symbol against
- * .data..percpu which is required for relocatable x86_32
- * configuration.
+ * This macro is equivalent to ALIGN(@align); PERCPU_VADDR(@cacheline,,)
+ * except that __per_cpu_load is defined as a relative symbol against
+ * .data..percpu which is required for relocatable x86_32 configuration.
  */
-#define PERCPU(align)                                                   \
+#define PERCPU(cacheline, align)                                        \
         . = ALIGN(align);                                               \
         .data..percpu   : AT(ADDR(.data..percpu) - LOAD_OFFSET) {       \
                 VMLINUX_SYMBOL(__per_cpu_load) = .;                     \
@@ -736,7 +749,9 @@
                 *(.data..percpu..first)                                 \
                 . = ALIGN(PAGE_SIZE);                                   \
                 *(.data..percpu..page_aligned)                          \
+                . = ALIGN(cacheline);                                   \
                 *(.data..percpu..readmostly)                            \
+                . = ALIGN(cacheline);                                   \
                 *(.data..percpu)                                        \
                 *(.data..percpu..shared_aligned)                        \
                 VMLINUX_SYMBOL(__per_cpu_end) = .;                      \