Merge commit 'v3.7-rc1' into stable/for-linus-3.7

* commit 'v3.7-rc1': (10892 commits)
  Linux 3.7-rc1
  x86, boot: Explicitly include autoconf.h for hostprogs
  perf: Fix UAPI fallout
  ARM: config: make sure that platforms are ordered by option string
  ARM: config: sort select statements alphanumerically
  UAPI: (Scripted) Disintegrate include/linux/byteorder
  UAPI: (Scripted) Disintegrate include/linux
  UAPI: Unexport linux/blk_types.h
  UAPI: Unexport part of linux/ppp-comp.h
  perf: Handle new rbtree implementation
  procfs: don't need a PATH_MAX allocation to hold a string representation of an int
  vfs: embed struct filename inside of names_cache allocation if possible
  audit: make audit_inode take struct filename
  vfs: make path_openat take a struct filename pointer
  vfs: turn do_path_lookup into wrapper around struct filename variant
  audit: allow audit code to satisfy getname requests from its names_list
  vfs: define struct filename and have getname() return it
  btrfs: Fix compilation with user namespace support enabled
  userns: Fix posix_acl_file_xattr_userns gid conversion
  userns: Properly print bluetooth socket uids
  ...

19 files changed, 141 insertions, 91 deletions

diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index 49765b53f637..05f2ba41ff1a 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -21,6 +21,7 @@ config OPENRISC
         select GENERIC_CLOCKEVENTS
         select GENERIC_STRNCPY_FROM_USER
         select GENERIC_STRNLEN_USER
+        select MODULES_USE_ELF_RELA
 
 config MMU
         def_bool y
diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild
index 0922959663a0..78de6805268d 100644
--- a/arch/openrisc/include/asm/Kbuild
+++ b/arch/openrisc/include/asm/Kbuild
@@ -1,6 +1,4 @@
-include include/asm-generic/Kbuild.asm
 
-header-y += elf.h
 header-y += ucontext.h
 
 generic-y += atomic.h
@@ -11,6 +9,7 @@ generic-y += bug.h
 generic-y += bugs.h
 generic-y += cacheflush.h
 generic-y += checksum.h
+generic-y += clkdev.h
 generic-y += cmpxchg.h
 generic-y += cmpxchg-local.h
 generic-y += cputime.h
diff --git a/arch/openrisc/include/asm/elf.h b/arch/openrisc/include/asm/elf.h
index a8fe2c513070..f4aa8a542a22 100644
--- a/arch/openrisc/include/asm/elf.h
+++ b/arch/openrisc/include/asm/elf.h
@@ -15,60 +15,12 @@
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  */
-
 #ifndef __ASM_OPENRISC_ELF_H
 #define __ASM_OPENRISC_ELF_H
 
-/*
- * This files is partially exported to userspace.  This allows us to keep
- * the ELF bits in one place which should assist in keeping the kernel and
- * userspace in sync.
- */
-
-/*
- * ELF register definitions..
- */
-
-/* for struct user_regs_struct definition */
-#include <asm/ptrace.h>
-
-/* The OR1K relocation types... not all relevant for module loader */
-#define R_OR32_NONE     0
-#define R_OR32_32       1
-#define R_OR32_16       2
-#define R_OR32_8        3
-#define R_OR32_CONST    4
-#define R_OR32_CONSTH   5
-#define R_OR32_JUMPTARG 6
-#define R_OR32_VTINHERIT 7
-#define R_OR32_VTENTRY  8
-
-typedef unsigned long elf_greg_t;
-
-/*
- * Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
- * thus exposed to user-space.
- */
-#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
-typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-
-/* A placeholder; OR32 does not have fp support yes, so no fp regs for now.  */
-typedef unsigned long elf_fpregset_t;
-
-/* This should be moved to include/linux/elf.h */
-#define EM_OR32         0x8472
-#define EM_OPENRISC     92     /* OpenRISC 32-bit embedded processor */
-
-/*
- * These are used to set parameters in the core dumps.
- */
-#define ELF_ARCH        EM_OR32
-#define ELF_CLASS       ELFCLASS32
-#define ELF_DATA        ELFDATA2MSB
-
-#ifdef __KERNEL__
 
 #include <linux/types.h>
+#include <uapi/asm/elf.h>
 
 /*
  * This is used to ensure we don't load something for the wrong architecture.
@@ -110,7 +62,7 @@ extern void dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt);
 
 #define ELF_PLATFORM    (NULL)
 
-#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
+#define SET_PERSONALITY(ex) \
+        set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
 
-#endif /* __KERNEL__ */
 #endif
diff --git a/arch/openrisc/include/asm/processor.h b/arch/openrisc/include/asm/processor.h
index 30462f1fe959..43decdbdb2ed 100644
--- a/arch/openrisc/include/asm/processor.h
+++ b/arch/openrisc/include/asm/processor.h
@@ -103,7 +103,7 @@ extern unsigned long thread_saved_pc(struct task_struct *t);
 
 #define init_stack      (init_thread_union.stack)
 
-#define cpu_relax()     do { } while (0)
+#define cpu_relax()     barrier()
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ASM_OPENRISC_PROCESSOR_H */
diff --git a/arch/openrisc/include/asm/ptrace.h b/arch/openrisc/include/asm/ptrace.h
index 8555c0c3d4d7..6ca17264c399 100644
--- a/arch/openrisc/include/asm/ptrace.h
+++ b/arch/openrisc/include/asm/ptrace.h
@@ -15,25 +15,12 @@
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  */
-
 #ifndef __ASM_OPENRISC_PTRACE_H
 #define __ASM_OPENRISC_PTRACE_H
 
-#ifndef __ASSEMBLY__
-/*
- * This is the layout of the regset returned by the GETREGSET ptrace call
- */
-struct user_regs_struct {
-        /* GPR R0-R31... */
-        unsigned long gpr[32];
-        unsigned long pc;
-        unsigned long sr;
-};
-#endif
-
-#ifdef __KERNEL__
 
 #include <asm/spr_defs.h>
+#include <uapi/asm/ptrace.h>
 
 /*
  * Make kernel PTrace/register structures opaque to userspace... userspace can
@@ -134,6 +121,4 @@ static inline long regs_return_value(struct pt_regs *regs)
 #define PT_ORIG_GPR11 132
 #define PT_SYSCALLNO  136
 
-#endif /* __KERNEL__ */
-
 #endif /* __ASM_OPENRISC_PTRACE_H */
diff --git a/arch/openrisc/include/asm/thread_info.h b/arch/openrisc/include/asm/thread_info.h
index 07a8bc080ef2..07f3212422ad 100644
--- a/arch/openrisc/include/asm/thread_info.h
+++ b/arch/openrisc/include/asm/thread_info.h
@@ -121,7 +121,6 @@ register struct thread_info *current_thread_info_reg asm("r10");
 #define _TIF_SIGPENDING         (1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED       (1<<TIF_NEED_RESCHED)
 #define _TIF_SINGLESTEP         (1<<TIF_SINGLESTEP)
-#define _TIF_RESTORE_SIGMASK     (1<<TIF_RESTORE_SIGMASK)
 #define _TIF_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
 
 
@@ -129,6 +128,8 @@ register struct thread_info *current_thread_info_reg asm("r10");
 /* For OpenRISC, this is anything in the LSW other than syscall trace */
 #define _TIF_WORK_MASK (0xff & ~(_TIF_SYSCALL_TRACE|_TIF_SINGLESTEP))
 
+#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG)
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_THREAD_INFO_H */
diff --git a/arch/openrisc/include/uapi/asm/Kbuild b/arch/openrisc/include/uapi/asm/Kbuild
new file mode 100644
index 000000000000..80761eb82b5f
--- /dev/null
+++ b/arch/openrisc/include/uapi/asm/Kbuild
@@ -0,0 +1,10 @@
+# UAPI Header export list
+include include/uapi/asm-generic/Kbuild.asm
+
+header-y += byteorder.h
+header-y += elf.h
+header-y += kvm_para.h
+header-y += param.h
+header-y += ptrace.h
+header-y += sigcontext.h
+header-y += unistd.h
diff --git a/arch/openrisc/include/asm/byteorder.h b/arch/openrisc/include/uapi/asm/byteorder.h
index 60d14f7e14e2..60d14f7e14e2 100644
--- a/arch/openrisc/include/asm/byteorder.h
+++ b/arch/openrisc/include/uapi/asm/byteorder.h
diff --git a/arch/openrisc/include/uapi/asm/elf.h b/arch/openrisc/include/uapi/asm/elf.h
new file mode 100644
index 000000000000..f02ea5830420
--- /dev/null
+++ b/arch/openrisc/include/uapi/asm/elf.h
@@ -0,0 +1,69 @@
+/*
+ * OpenRISC Linux
+ *
+ * Linux architectural port borrowing liberally from similar works of
+ * others.  All original copyrights apply as per the original source
+ * declaration.
+ *
+ * OpenRISC implementation:
+ * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
+ * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
+ * et al.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef _UAPI__ASM_OPENRISC_ELF_H
+#define _UAPI__ASM_OPENRISC_ELF_H
+
+/*
+ * This files is partially exported to userspace.  This allows us to keep
+ * the ELF bits in one place which should assist in keeping the kernel and
+ * userspace in sync.
+ */
+
+/*
+ * ELF register definitions..
+ */
+
+/* for struct user_regs_struct definition */
+#include <asm/ptrace.h>
+
+/* The OR1K relocation types... not all relevant for module loader */
+#define R_OR32_NONE     0
+#define R_OR32_32       1
+#define R_OR32_16       2
+#define R_OR32_8        3
+#define R_OR32_CONST    4
+#define R_OR32_CONSTH   5
+#define R_OR32_JUMPTARG 6
+#define R_OR32_VTINHERIT 7
+#define R_OR32_VTENTRY  8
+
+typedef unsigned long elf_greg_t;
+
+/*
+ * Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
+ * thus exposed to user-space.
+ */
+#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+/* A placeholder; OR32 does not have fp support yes, so no fp regs for now.  */
+typedef unsigned long elf_fpregset_t;
+
+/* This should be moved to include/linux/elf.h */
+#define EM_OR32         0x8472
+#define EM_OPENRISC     92     /* OpenRISC 32-bit embedded processor */
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_ARCH        EM_OR32
+#define ELF_CLASS       ELFCLASS32
+#define ELF_DATA        ELFDATA2MSB
+
+#endif /* _UAPI__ASM_OPENRISC_ELF_H */
diff --git a/arch/openrisc/include/asm/kvm_para.h b/arch/openrisc/include/uapi/asm/kvm_para.h
index 14fab8f0b957..14fab8f0b957 100644
--- a/arch/openrisc/include/asm/kvm_para.h
+++ b/arch/openrisc/include/uapi/asm/kvm_para.h
diff --git a/arch/openrisc/include/asm/param.h b/arch/openrisc/include/uapi/asm/param.h
index c39a336610e2..c39a336610e2 100644
--- a/arch/openrisc/include/asm/param.h
+++ b/arch/openrisc/include/uapi/asm/param.h
diff --git a/arch/openrisc/include/uapi/asm/ptrace.h b/arch/openrisc/include/uapi/asm/ptrace.h
new file mode 100644
index 000000000000..9760bd17fbcc
--- /dev/null
+++ b/arch/openrisc/include/uapi/asm/ptrace.h
@@ -0,0 +1,35 @@
+/*
+ * OpenRISC Linux
+ *
+ * Linux architectural port borrowing liberally from similar works of
+ * others.  All original copyrights apply as per the original source
+ * declaration.
+ *
+ * OpenRISC implementation:
+ * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
+ * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
+ * et al.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef _UAPI__ASM_OPENRISC_PTRACE_H
+#define _UAPI__ASM_OPENRISC_PTRACE_H
+
+#ifndef __ASSEMBLY__
+/*
+ * This is the layout of the regset returned by the GETREGSET ptrace call
+ */
+struct user_regs_struct {
+        /* GPR R0-R31... */
+        unsigned long gpr[32];
+        unsigned long pc;
+        unsigned long sr;
+};
+#endif
+
+
+#endif /* _UAPI__ASM_OPENRISC_PTRACE_H */
diff --git a/arch/openrisc/include/asm/sigcontext.h b/arch/openrisc/include/uapi/asm/sigcontext.h
index b79c2b19afbe..b79c2b19afbe 100644
--- a/arch/openrisc/include/asm/sigcontext.h
+++ b/arch/openrisc/include/uapi/asm/sigcontext.h
diff --git a/arch/openrisc/include/asm/unistd.h b/arch/openrisc/include/uapi/asm/unistd.h
index 89af3ab5c2e9..437bdbb61b14 100644
--- a/arch/openrisc/include/asm/unistd.h
+++ b/arch/openrisc/include/uapi/asm/unistd.h
@@ -16,9 +16,6 @@
  * (at your option) any later version.
  */
 
-#if !defined(__ASM_OPENRISC_UNISTD_H) || defined(__SYSCALL)
-#define __ASM_OPENRISC_UNISTD_H
-
 #define __ARCH_HAVE_MMU
 
 #define sys_mmap2 sys_mmap_pgoff
@@ -27,5 +24,3 @@
 
 #define __NR_or1k_atomic __NR_arch_specific_syscall
 __SYSCALL(__NR_or1k_atomic, sys_or1k_atomic)
-
-#endif /* __ASM_OPENRISC_UNISTD_H */
diff --git a/arch/openrisc/kernel/irq.c b/arch/openrisc/kernel/irq.c
index e935b9d8eee1..8ec77bc9f1e7 100644
--- a/arch/openrisc/kernel/irq.c
+++ b/arch/openrisc/kernel/irq.c
@@ -46,19 +46,19 @@ EXPORT_SYMBOL(arch_local_irq_restore);
 
 static void or1k_pic_mask(struct irq_data *data)
 {
-        mtspr(SPR_PICMR, mfspr(SPR_PICMR) & ~(1UL << data->irq));
+        mtspr(SPR_PICMR, mfspr(SPR_PICMR) & ~(1UL << data->hwirq));
 }
 
 static void or1k_pic_unmask(struct irq_data *data)
 {
-        mtspr(SPR_PICMR, mfspr(SPR_PICMR) | (1UL << data->irq));
+        mtspr(SPR_PICMR, mfspr(SPR_PICMR) | (1UL << data->hwirq));
 }
 
 static void or1k_pic_ack(struct irq_data *data)
 {
         /* EDGE-triggered interrupts need to be ack'ed in order to clear
          * the latch.
-         * LEVER-triggered interrupts do not need to be ack'ed; however,
+         * LEVEL-triggered interrupts do not need to be ack'ed; however,
          * ack'ing the interrupt has no ill-effect and is quicker than
          * trying to figure out what type it is...
          */
@@ -75,10 +75,10 @@ static void or1k_pic_ack(struct irq_data *data)
          *     as opposed to a 1 as mandated by the spec
          */
 
-        mtspr(SPR_PICSR, mfspr(SPR_PICSR) & ~(1UL << data->irq));
+        mtspr(SPR_PICSR, mfspr(SPR_PICSR) & ~(1UL << data->hwirq));
 #else
-        WARN(1, "Interrupt handling possibily broken\n");
-        mtspr(SPR_PICSR, (1UL << irq));
+        WARN(1, "Interrupt handling possibly broken\n");
+        mtspr(SPR_PICSR, (1UL << data->hwirq));
 #endif
 }
 
@@ -87,10 +87,12 @@ static void or1k_pic_mask_ack(struct irq_data *data)
         /* Comments for pic_ack apply here, too */
 
 #ifdef CONFIG_OR1K_1200
-        mtspr(SPR_PICSR, mfspr(SPR_PICSR) & ~(1UL << data->irq));
+        mtspr(SPR_PICMR, mfspr(SPR_PICMR) & ~(1UL << data->hwirq));
+        mtspr(SPR_PICSR, mfspr(SPR_PICSR) & ~(1UL << data->hwirq));
 #else
-        WARN(1, "Interrupt handling possibily broken\n");
-        mtspr(SPR_PICSR, (1UL << irq));
+        WARN(1, "Interrupt handling possibly broken\n");
+        mtspr(SPR_PICMR, (1UL << data->hwirq));
+        mtspr(SPR_PICSR, (1UL << data->hwirq));
 #endif
 }
 
diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c
index 55210f37d1a3..c35f3ab1a8d3 100644
--- a/arch/openrisc/kernel/process.c
+++ b/arch/openrisc/kernel/process.c
@@ -271,7 +271,7 @@ asmlinkage long _sys_execve(const char __user *name,
                             struct pt_regs *regs)
 {
         int error;
-        char *filename;
+        struct filename *filename;
 
         filename = getname(name);
         error = PTR_ERR(filename);
@@ -279,7 +279,7 @@ asmlinkage long _sys_execve(const char __user *name,
         if (IS_ERR(filename))
                 goto out;
 
-        error = do_execve(filename, argv, envp, regs);
+        error = do_execve(filename->name, argv, envp, regs);
         putname(filename);
 
 out:
diff --git a/arch/openrisc/kernel/ptrace.c b/arch/openrisc/kernel/ptrace.c
index e71781d24b0e..71a2a0c34c65 100644
--- a/arch/openrisc/kernel/ptrace.c
+++ b/arch/openrisc/kernel/ptrace.c
@@ -187,7 +187,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
                  */
                 ret = -1L;
 
-        audit_syscall_entry(audit_arch(), regs->gpr[11],
+        audit_syscall_entry(AUDIT_ARCH_OPENRISC, regs->gpr[11],
                             regs->gpr[3], regs->gpr[4],
                             regs->gpr[5], regs->gpr[6]);
 
diff --git a/arch/openrisc/lib/delay.c b/arch/openrisc/lib/delay.c
index 01d9740ae6f3..c330767c9217 100644
--- a/arch/openrisc/lib/delay.c
+++ b/arch/openrisc/lib/delay.c
@@ -30,9 +30,9 @@ int __devinit read_current_timer(unsigned long *timer_value)
 
 void __delay(unsigned long cycles)
 {
-        cycles_t target = get_cycles() + cycles;
+        cycles_t start = get_cycles();
 
-        while (get_cycles() < target)
+        while ((get_cycles() - start) < cycles)
                 cpu_relax();
 }
 EXPORT_SYMBOL(__delay);
@@ -41,7 +41,7 @@ inline void __const_udelay(unsigned long xloops)
 {
         unsigned long long loops;
 
-        loops = xloops * loops_per_jiffy * HZ;
+        loops = (unsigned long long)xloops * loops_per_jiffy * HZ;
 
         __delay(loops >> 32);
 }
diff --git a/arch/openrisc/mm/fault.c b/arch/openrisc/mm/fault.c
index 40f850e9766c..e2bfafce66c5 100644
--- a/arch/openrisc/mm/fault.c
+++ b/arch/openrisc/mm/fault.c
@@ -183,6 +183,7 @@ good_area:
                         tsk->min_flt++;
                 if (fault & VM_FAULT_RETRY) {
                         flags &= ~FAULT_FLAG_ALLOW_RETRY;
+                        flags |= FAULT_FLAG_TRIED;
 
                          /* No need to up_read(&mm->mmap_sem) as we would
                          * have already released it in __lock_page_or_retry