Pull rseq fixes from Ingo Molnar:
"Various rseq ABI fixes and cleanups: use get_user()/put_user(),
validate parameters and use proper uapi types, etc"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq/selftests: cleanup: Update comment above rseq_prepare_unload
rseq: Remove unused types_32_64.h uapi header
rseq: uapi: Declare rseq_cs field as union, update includes
rseq: uapi: Update uapi comments
rseq: Use get_user/put_user rather than __get_user/__put_user
rseq: Use __u64 for rseq_cs fields, validate user inputs