Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 pti updates from Thomas Gleixner:
 "The speculative paranoia departement delivers a few more plugs for
  possible (probably theoretical) spectre/mds leaks"

* 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/tls: Fix possible spectre-v1 in do_get_thread_area()
  x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()
  x86/speculation/mds: Eliminate leaks by trace_hardirqs_on()