Merge branch 'akpm' (patches from Andrew)

Merge yet more updates from Andrew Morton:

 - a pile of minor fs fixes and cleanups

 - kexec updates

 - random misc fixes in various places: vmcore, rbtree, eventfd, ipc, seccomp.

 - a series of python-based kgdb helper scripts

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (58 commits)
  seccomp: cap SECCOMP_RET_ERRNO data to MAX_ERRNO
  samples/seccomp: improve label helper
  ipc,sem: use current->state helpers
  scripts/gdb: disable pagination while printing from breakpoint handler
  scripts/gdb: define maintainer
  scripts/gdb: convert CpuList to generator function
  scripts/gdb: convert ModuleList to generator function
  scripts/gdb: use a generator instead of iterator for task list
  scripts/gdb: ignore byte-compiled python files
  scripts/gdb: port to python3 / gdb7.7
  scripts/gdb: add basic documentation
  scripts/gdb: add lx-lsmod command
  scripts/gdb: add class to iterate over CPU masks
  scripts/gdb: add lx_current convenience function
  scripts/gdb: add internal helper and convenience function for per-cpu lookup
  scripts/gdb: add get_gdbserver_type helper
  scripts/gdb: add internal helper and convenience function to retrieve thread_info
  scripts/gdb: add is_target_arch helper
  scripts/gdb: add helper and convenience function to look up tasks
  scripts/gdb: add task iteration class
  ...

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ecb3516f6546..c5cefb3c009c 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -167,6 +167,17 @@ config DEBUG_INFO_DWARF4
           But it significantly improves the success of resolving
           variables in gdb on optimized code.
 
+config GDB_SCRIPTS
+        bool "Provide GDB scripts for kernel debugging"
+        depends on DEBUG_INFO
+        help
+          This creates the required links to GDB helper scripts in the
+          build directory. If you load vmlinux into gdb, the helper
+          scripts will be automatically imported by gdb as well, and
+          additional functions are available to analyze a Linux kernel
+          instance. See Documentation/gdb-kernel-debugging.txt for further
+          details.
+
 config ENABLE_WARN_DEPRECATED
         bool "Enable __deprecated logic"
         default y