Merge branch 'for-linus-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...

Pull UML updates from Richard Weinberger:
 "Beside of various fixes this also contains patches to enable features
  such was Kcov, kmemleak and TRACE_IRQFLAGS_SUPPORT on UML"

* 'for-linus-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
  hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common()
  um: Support kcov
  um: Enable TRACE_IRQFLAGS_SUPPORT
  um: Use asm-generic/irqflags.h
  um: Fix possible deadlock in sig_handler_common()
  um: Select HAVE_DEBUG_KMEMLEAK
  um: Setup physical memory in setup_arch()
  um: Eliminate null test after alloc_bootmem

diff --combined arch/um/Kconfig.common
index 58650d0,f8530d8..fd44385
--- 1/arch/um/Kconfig.common
--- 2/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@@ -1,15 -1,16 +1,17 @@@
  config UML
        bool
        default y
+       select ARCH_HAS_KCOV
        select HAVE_ARCH_AUDITSYSCALL
        select HAVE_ARCH_SECCOMP_FILTER
        select HAVE_UID16
        select HAVE_FUTEX_CMPXCHG if FUTEX
+       select HAVE_DEBUG_KMEMLEAK
        select GENERIC_IRQ_SHOW
        select GENERIC_CPU_DEVICES
        select GENERIC_IO
        select GENERIC_CLOCKEVENTS
 +      select HAVE_GCC_PLUGINS
        select TTY # Needed for line.c
  
  config MMU
@@@ -31,10 -32,9 +33,9 @@@ config PC
  config PCMCIA
        bool
  
- # Yet to do!
  config TRACE_IRQFLAGS_SUPPORT
        bool
-       default n
+       default y
  
  config LOCKDEP_SUPPORT
        bool