[RFC PATCH 0/4] rseq: Introduce extensible struct rseq
From: Mathieu Desnoyers
Date: Mon Jul 13 2020 - 23:04:10 EST
Recent discussion led to a solution for extending struct rseq. This is
an implementation of the proposed solution.
Now is a good time to agree on this scheme before the release of glibc
2.32, just in case there are small details to fix on the user-space
side in order to allow extending struct rseq.
Thanks,
Mathieu
Mathieu Desnoyers (4):
selftests: rseq: Use fixed value as rseq_len parameter
rseq: Allow extending struct rseq
selftests: rseq: define __rseq_abi with extensible size
selftests: rseq: print rseq extensible size in basic test
include/linux/sched.h | 4 +++
include/uapi/linux/rseq.h | 42 ++++++++++++++++++++--
kernel/rseq.c | 44 +++++++++++++++++++----
tools/testing/selftests/rseq/basic_test.c | 15 ++++++++
tools/testing/selftests/rseq/rseq.c | 8 +++--
5 files changed, 101 insertions(+), 12 deletions(-)
--
2.17.1