[PATCH for 5.5 0/3] Restartable Sequences Fixes

Hi,

Here is a repost of a small set of rseq fixes which was initially posted in September 2019. It now targets kernel 5.5. Those should be backported to stable kernels >= 4.18.

Thanks,

Mathieu

Mathieu Desnoyers (3): rseq: Fix: Reject unknown flags on rseq unregister rseq: Fix: Unregister rseq for clone CLONE_VM rseq/selftests: Fix: Namespace gettid() for compatibility with glibc 2.30

include/linux/sched.h | 4 ++-- kernel/rseq.c | 2 ++ tools/testing/selftests/rseq/param_test.c | 18 ++++++++++-------- 3 files changed, 14 insertions(+), 10 deletions(-)