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* [RFC PATCH 0/4] rseq: Introduce extensible struct rseq
@ 2020-07-14  3:03 Mathieu Desnoyers
  2020-07-14  3:03 ` [RFC PATCH 1/4] selftests: rseq: Use fixed value as rseq_len parameter Mathieu Desnoyers
                   ` (4 more replies)
  0 siblings, 5 replies; 37+ messages in thread
From: Mathieu Desnoyers @ 2020-07-14  3:03 UTC (permalink / raw)
  To: Peter Zijlstra
  Cc: linux-kernel, Thomas Gleixner, Paul E . McKenney, Boqun Feng,
	H . Peter Anvin, Paul Turner, linux-api, Christian Brauner,
	Florian Weimer, carlos, Mathieu Desnoyers

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


^ permalink raw reply	[flat|nested] 37+ messages in thread

end of thread, other threads:[~2020-07-16 14:45 UTC | newest]

Thread overview: 37+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-07-14  3:03 [RFC PATCH 0/4] rseq: Introduce extensible struct rseq Mathieu Desnoyers
2020-07-14  3:03 ` [RFC PATCH 1/4] selftests: rseq: Use fixed value as rseq_len parameter Mathieu Desnoyers
2020-07-14  3:03 ` [RFC PATCH 2/4] rseq: Allow extending struct rseq Mathieu Desnoyers
2020-07-14  9:58   ` Florian Weimer
2020-07-14 12:50     ` Mathieu Desnoyers
2020-07-14 13:00       ` Florian Weimer
2020-07-14 13:19         ` Mathieu Desnoyers
2020-07-14 21:30           ` Carlos O'Donell
2020-07-15 13:12             ` Mathieu Desnoyers
2020-07-15 13:22               ` Florian Weimer
2020-07-15 13:31                 ` Mathieu Desnoyers
2020-07-15 13:42                   ` Florian Weimer
2020-07-15 13:55                     ` Christian Brauner
2020-07-15 14:20                       ` Mathieu Desnoyers
2020-07-15 14:54                     ` Mathieu Desnoyers
2020-07-15 14:58                       ` Florian Weimer
2020-07-15 15:26                         ` Mathieu Desnoyers
2020-07-14 17:24   ` Peter Oskolkov
2020-07-14 17:43     ` Mathieu Desnoyers
2020-07-14 18:33       ` Peter Oskolkov
2020-07-15  2:34         ` Chris Kennelly
2020-07-15  6:31           ` Florian Weimer
2020-07-15 10:59             ` Christian Brauner
2020-07-15 14:38             ` Mathieu Desnoyers
2020-07-15 14:50           ` Mathieu Desnoyers
2020-07-15 11:38   ` Christian Brauner
2020-07-15 12:33     ` Christian Brauner
2020-07-15 15:10       ` Mathieu Desnoyers
2020-07-15 15:33         ` Christian Brauner
2020-07-14  3:03 ` [RFC PATCH 3/4] selftests: rseq: define __rseq_abi with extensible size Mathieu Desnoyers
2020-07-14  3:03 ` [RFC PATCH 4/4] selftests: rseq: print rseq extensible size in basic test Mathieu Desnoyers
2020-07-14 20:55 ` [RFC PATCH 0/4] rseq: Introduce extensible struct rseq Carlos O'Donell
2020-07-15 13:02   ` Mathieu Desnoyers
2020-07-16 13:39     ` Carlos O'Donell
2020-07-16 14:45       ` Mathieu Desnoyers
2020-07-15 15:12   ` Florian Weimer
2020-07-15 15:32     ` Mathieu Desnoyers

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