Re: [PATCH RESEND 3/4] Documentation/litmus-tests: Merge atomic's README into top-level one

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On Fri, May 15, 2020 at 07:03:33AM +0900, Akira Yokosawa wrote:
> On Thu, 14 May 2020 10:16:56 -0700, Paul E. McKenney wrote:
> > On Thu, May 14, 2020 at 08:46:18AM +0800, Boqun Feng wrote:
> >> On Wed, May 13, 2020 at 06:39:03AM +0900, Akira Yokosawa wrote:
> >>> From 96fa6680e3b990633ecbb6d11acf03a161b790bd Mon Sep 17 00:00:00 2001
> >>> From: Akira Yokosawa <akiyks@xxxxxxxxx>
> >>> Date: Sun, 10 May 2020 15:12:57 +0900
> >>> Subject: [PATCH RESEND 3/4] Documentation/litmus-tests: Merge atomic's README into top-level one
> >>>
> >>> Where Documentation/litmus-tests/README lists RCU litmus tests,
> >>> Documentation/litmus-tests/atomic/README lists atomic litmus tests.
> >>> For symmetry, merge the latter into former, with some context
> >>> adjustment in the introduction.
> >>>
> >>> Signed-off-by: Akira Yokosawa <akiyks@xxxxxxxxx>
> >>> Acked-by: Andrea Parri <parri.andrea@xxxxxxxxx>
> >>> Acked-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
> >>
> >> Acked-by: Boqun Feng <boqun.feng@xxxxxxxxx>
> >>
> >> Thanks!
> > 
> > Applied, and thank you all!
> > 
> > I rebased, cancelling the revert with the original, resulting in an
> > updated lkmm branch on -rcu.  There was one minor conflict, so could
> > one of you please check to make sure that I resolved things appropriately?
> 
> One thing I noticed.
> 
> Commit b2998782ded4 ("Documentation/litmus-tests: Clarify about the RCU
> pre-initialization test")'s change log says:
> 
>     Since this test returned to tools/memory-model/, make sure that it is
>                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>     at least referenced from Documentation/litmus-tests/'s README.
> 
> Because of the rebase, this needs amendment as well as the title.
> 
> Something like
> 
>     Documentation/litumus-tests: Cite a relevant litmus test in tools/memory-model
> 
>     For ease of finding the RCU related litmus test under
>     tools/memory-model/, add an entry in README.
> 
> ?

Good catch, and yes, I will update that on the next rebase.

Any other things in need of adjustment?

							Thanx, Paul

>     Thanks, Akira
> 
> > 
> > 							Thanx, Paul
> > 
> >> Regards,
> >> Boqun
> >>
> >>> ---
> >>>  Documentation/litmus-tests/README        | 19 +++++++++++++++++++
> >>>  Documentation/litmus-tests/atomic/README | 16 ----------------
> >>>  2 files changed, 19 insertions(+), 16 deletions(-)
> >>>  delete mode 100644 Documentation/litmus-tests/atomic/README
> >>>
> >>> diff --git a/Documentation/litmus-tests/README b/Documentation/litmus-tests/README
> >>> index c4307ea9f996..ac0b270b456c 100644
> >>> --- a/Documentation/litmus-tests/README
> >>> +++ b/Documentation/litmus-tests/README
> >>> @@ -2,6 +2,25 @@
> >>>  LITMUS TESTS
> >>>  ============
> >>>  
> >>> +Each subdirectory contains litmus tests that are typical to describe the
> >>> +semantics of respective kernel APIs.
> >>> +For more information about how to "run" a litmus test or how to generate
> >>> +a kernel test module based on a litmus test, please see
> >>> +tools/memory-model/README.
> >>> +
> >>> +
> >>> +atomic (/atomic derectory)
> >>> +--------------------------
> >>> +
> >>> +Atomic-RMW+mb__after_atomic-is-stronger-than-acquire.litmus
> >>> +    Test that an atomic RMW followed by a smp_mb__after_atomic() is
> >>> +    stronger than a normal acquire: both the read and write parts of
> >>> +    the RMW are ordered before the subsequential memory accesses.
> >>> +
> >>> +Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus
> >>> +    Test that atomic_set() cannot break the atomicity of atomic RMWs.
> >>> +
> >>> +
> >>>  RCU (/rcu directory)
> >>>  --------------------
> >>>  
> >>> diff --git a/Documentation/litmus-tests/atomic/README b/Documentation/litmus-tests/atomic/README
> >>> deleted file mode 100644
> >>> index 714cf93816ea..000000000000
> >>> --- a/Documentation/litmus-tests/atomic/README
> >>> +++ /dev/null
> >>> @@ -1,16 +0,0 @@
> >>> -This directory contains litmus tests that are typical to describe the semantics
> >>> -of our atomic APIs. For more information about how to "run" a litmus test or
> >>> -how to generate a kernel test module based on a litmus test, please see
> >>> -tools/memory-model/README.
> >>> -
> >>> -============
> >>> -LITMUS TESTS
> >>> -============
> >>> -
> >>> -Atomic-RMW+mb__after_atomic-is-stronger-than-acquire
> >>> -	Test that an atomic RMW followed by a smp_mb__after_atomic() is
> >>> -	stronger than a normal acquire: both the read and write parts of
> >>> -	the RMW are ordered before the subsequential memory accesses.
> >>> -
> >>> -Atomic-RMW-ops-are-atomic-WRT-atomic_set.litmus
> >>> -	Test that atomic_set() cannot break the atomicity of atomic RMWs.
> >>> -- 
> >>> 2.17.1
> >>>
> >>>



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