Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:
 "The main item in this pull request are the Spectre variant 1.1 fixes
  from Julien Thierry.

  A few other patches to improve various areas, and removal of some
  obsolete mcount bits and a redundant kbuild conditional"

* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8802/1: Call syscall_trace_exit even when system call skipped
  ARM: 8797/1: spectre-v1.1: harden __copy_to_user
  ARM: 8796/1: spectre-v1,v1.1: provide helpers for address sanitization
  ARM: 8795/1: spectre-v1.1: use put_user() for __put_user()
  ARM: 8794/1: uaccess: Prevent speculative use of the current addr_limit
  ARM: 8793/1: signal: replace __put_user_error with __put_user
  ARM: 8792/1: oabi-compat: copy oabi events using __copy_to_user()
  ARM: 8791/1: vfp: use __copy_to_user() when saving VFP state
  ARM: 8790/1: signal: always use __copy_to_user to save iwmmxt context
  ARM: 8789/1: signal: copy registers using __copy_to_user()
  ARM: 8801/1: makefile: use ARMv3M mode for RiscPC
  ARM: 8800/1: use choice for kernel unwinders
  ARM: 8798/1: remove unnecessary KBUILD_SRC ifeq conditional
  ARM: 8788/1: ftrace: remove old mcount support
  ARM: 8786/1: Debug kernel copy by printing

diff --combined lib/Kconfig.debug
index 4966c4fbe7f735a1eae8d7e5de7e96022cb02862,25188b322326a7bdfd12d88af281a806384de7db..8d24f4ed66fd7d20313e94b06c595abd468ece24
--- 1/lib/Kconfig.debug
--- 2/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@@ -1179,7 -1179,7 +1179,7 @@@ config LOCKDE
        bool
        depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
        select STACKTRACE
-       select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE && !ARC && !X86
+       select FRAME_POINTER if !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86
        select KALLSYMS
        select KALLSYMS_ALL
  
@@@ -1277,13 -1277,13 +1277,13 @@@ config WARN_ALL_UNSEEDED_RANDO
          time.  This is really bad from a security perspective, and
          so architecture maintainers really need to do what they can
          to get the CRNG seeded sooner after the system is booted.
 -        However, since users can not do anything actionble to
 +        However, since users cannot do anything actionable to
          address this, by default the kernel will issue only a single
          warning for the first use of unseeded randomness.
  
          Say Y here if you want to receive warnings for all uses of
          unseeded randomness.  This will be of use primarily for
 -        those developers interersted in improving the security of
 +        those developers interested in improving the security of
          Linux kernels running on their architecture (or
          subarchitecture).
  
@@@ -1590,7 -1590,7 +1590,7 @@@ config FAULT_INJECTION_STACKTRACE_FILTE
        depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT
        depends on !X86_64
        select STACKTRACE
-       select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC && !X86
+       select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86
        help
          Provide stacktrace filter for fault-injection capabilities
  
@@@ -1599,7 -1599,7 +1599,7 @@@ config LATENCYTO
        depends on DEBUG_KERNEL
        depends on STACKTRACE_SUPPORT
        depends on PROC_FS
-       select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC && !X86
+       select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86
        select KALLSYMS
        select KALLSYMS_ALL
        select STACKTRACE