Merge branch into tip/master: 'ras/core'

Merge branch into tip/master: 'ras/core'

* ras/core:
    8ca97812c3c8 x86/mce: Work around an erratum on fast string copy instructions
    f11445ba7a11 x86/mce: Use arch atomic and bit helpers
    c0f6799de2a0 Merge tip:locking/core into tip:ras/core
    b008893b08dc x86/ptrace: Always inline v8086_mode() for instrumentation
    f5c54f77b07b cpumask: Add a x86-specific cpumask_clear_cpu() helper
    1c6f9ec00954 locking: Enable RT_MUTEXES by default on PREEMPT_RT.
    9983a9d577db locking/local_lock: Make the empty local_lock_*() function a macro.
    dc1b4df09acd atomics: Fix atomic64_{read_acquire,set_release} fallbacks
    c441e934b604 locking: Add missing __sched attributes
    1dc01abad654 cpumask: Always inline helpers which use bit manipulation functions
    acb13ea0baf8 asm-generic/bitops: Always inline all bit manipulation helpers
    61cc4534b655 locking/lockdep: Avoid potential access of invalid memory in lock_class
    e204193b138a lockdep: Use memset_startat() helper in reinit_class()
    54dff232142e MAINTAINERS: add myself as reviewer for atomics

Signed-off-by: Ingo Molnar <mingo@kernel.org>