Pull UML updates from Richard Weinberger:
- a new hrtimer based clocksource by Anton Ivanov
- ptrace() enhancments by Richard Weinberger
- random cleanups and bug fixes all over the place
* 'for-linus-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: Switch clocksource to hrtimers
um: net: replace GFP_KERNEL with GFP_ATOMIC when spinlock is held
um: Report host OOM more nicely
um: Simplify STUB_DATA loading
um: Remove dead symbol from i386 syscall stub
um: Remove dead code from x86_64 syscall stub
um: Get rid of open coded NR_SYSCALLS
um: Store syscall number after syscall_trace_enter()
um: Define PTRACE_OLDSETOPTIONS
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