Merge branch 'akpm' (patches from Andrew)

Merge yet more updates from Andrew Morton:

 - Oleg's "wait/ptrace: assume __WALL if the child is traced".  It's a
   kernel-based workaround for existing userspace issues.

 - A few hotfixes

 - befs cleanups

 - nilfs2 updates

 - sys_wait() changes

 - kexec updates

 - kdump

 - scripts/gdb updates

 - the last of the MM queue

 - a few other misc things

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (84 commits)
  kgdb: depends on VT
  drm/amdgpu: make amdgpu_mn_get wait for mmap_sem killable
  drm/radeon: make radeon_mn_get wait for mmap_sem killable
  drm/i915: make i915_gem_mmap_ioctl wait for mmap_sem killable
  uprobes: wait for mmap_sem for write killable
  prctl: make PR_SET_THP_DISABLE wait for mmap_sem killable
  exec: make exec path waiting for mmap_sem killable
  aio: make aio_setup_ring killable
  coredump: make coredump_wait wait for mmap_sem for write killable
  vdso: make arch_setup_additional_pages wait for mmap_sem for write killable
  ipc, shm: make shmem attach/detach wait for mmap_sem killable
  mm, fork: make dup_mmap wait for mmap_sem for write killable
  mm, proc: make clear_refs killable
  mm: make vm_brk killable
  mm, elf: handle vm_brk error
  mm, aout: handle vm_brk failures
  mm: make vm_munmap killable
  mm: make vm_mmap killable
  mm: make mmap_sem for write waits killable for mm syscalls
  MAINTAINERS: add co-maintainer for scripts/gdb
  ...

1 files changed, 59 insertions, 0 deletions

diff --git a/scripts/gdb/linux/constants.py.in b/scripts/gdb/linux/constants.py.in
new file mode 100644
index 000000000000..07e6c2befe36
--- /dev/null
+++ b/scripts/gdb/linux/constants.py.in
@@ -0,0 +1,59 @@
+/*
+ * gdb helper commands and functions for Linux kernel debugging
+ *
+ *  Kernel constants derived from include files.
+ *
+ * Copyright (c) 2016 Linaro Ltd
+ *
+ * Authors:
+ *  Kieran Bingham <kieran.bingham@linaro.org>
+ *
+ * This work is licensed under the terms of the GNU GPL version 2.
+ *
+ */
+
+#include <linux/fs.h>
+#include <linux/mount.h>
+#include <linux/radix-tree.h>
+
+/* We need to stringify expanded macros so that they can be parsed */
+
+#define STRING(x) #x
+#define XSTRING(x) STRING(x)
+
+#define LX_VALUE(x) LX_##x = x
+#define LX_GDBPARSED(x) LX_##x = gdb.parse_and_eval(XSTRING(x))
+
+/*
+ * IS_ENABLED generates (a || b) which is not compatible with python
+ * We can only switch on configuration items we know are available
+ * Therefore - IS_BUILTIN() is more appropriate
+ */
+#define LX_CONFIG(x) LX_##x = IS_BUILTIN(x)
+
+/* The build system will take care of deleting everything above this marker */
+<!-- end-c-headers -->
+
+import gdb
+
+/* linux/fs.h */
+LX_VALUE(MS_RDONLY)
+LX_VALUE(MS_SYNCHRONOUS)
+LX_VALUE(MS_MANDLOCK)
+LX_VALUE(MS_DIRSYNC)
+LX_VALUE(MS_NOATIME)
+LX_VALUE(MS_NODIRATIME)
+
+/* linux/mount.h */
+LX_VALUE(MNT_NOSUID)
+LX_VALUE(MNT_NODEV)
+LX_VALUE(MNT_NOEXEC)
+LX_VALUE(MNT_NOATIME)
+LX_VALUE(MNT_NODIRATIME)
+LX_VALUE(MNT_RELATIME)
+
+/* linux/radix-tree.h */
+LX_VALUE(RADIX_TREE_INDIRECT_PTR)
+LX_GDBPARSED(RADIX_TREE_HEIGHT_MASK)
+LX_GDBPARSED(RADIX_TREE_MAP_SHIFT)
+LX_GDBPARSED(RADIX_TREE_MAP_MASK)