Re: [PATCH 0/2] Add Makefile in CodeSamples/formal/herd

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2017/11/22 9:12 +0900、Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote:

> On Wed, Nov 22, 2017 at 12:34:08AM +0900, Akira Yokosawa wrote:
>>> From 180abe9a72d4e3fbe200ce2a032a6c616a70ce03 Mon Sep 17 00:00:00 2001
>> From: Akira Yokosawa <akiyks@xxxxxxxxx>
>> Date: Wed, 22 Nov 2017 00:04:40 +0900
>> Subject: [PATCH 0/2] Add Makefile in CodeSamples/formal/herd
>> 
>> (Resending with To: Paul)
>> Hi Paul,
>> 
>> This is my attempt to add Makefile in CodeSamples/formal/herd.
>> The recipes here assumes that the memory-model's repository resides
>> beside the perfbook's repository on your machine.
>> 
>> The targets include conversion of litmus7 compatible tests under
>> litmus/ directory to herd7/klitmus7 compatible ones,
>> running converted litmus tests by herd7,
>> running herd7 benchmark tests by herd7,
>> and preparing directory for klitmus7 cross-compile of converted
>> tests.
>> 
>> Currently, there is no test other than benchmarks under herd/
>> directory which is not compatible with litmus7. When such tests
>> are added there, the Makefile can be updated to run and cross-compile
>> them along with the converted tests.
>> 
>> Patch #1 adds the Makefile and a helper script.
>> 
>> Patch #2 is a fix of compiler warnings revealed in klitmus7 cross-
>> compiling.
>> These C-WWC-o+o-* litmus tests were modified by me in this August.
>> That looked sufficient for litmus7, but definitions in kernel header
>> files used in klitmus7 aren't satisfied. The change here is the result
>> of some try-and-errors. There can be smarter way to describe these tests.
>> They are not used in the text at the moment, so their fix is not
>> urgent, I suppose.
> 
> I queued these, but let's talk about the memory model.  Currently,
> it is available in this git archive:
> 
>    https://github.com/aparri/memory-model.git
> 
> Specifically, these files:
> 
>    linux-kernel.bell
>    linux-kernel.cat
>    linux-kernel.cfg
>    linux-kernel.def
>    linux-kernel-hardware.cat
>    lock.cat
> 
> We hope to get these upstream into the Linux kernel during the next
> merge window.  So maybe the right thing to do is to require that the
> user copy the files into the formal/herd directory, and have Makefile
> give instructions and stop if they are not present.
> 
> Thoughts?

I’m kind of against having those untracked files there.
The directory where they reside can be specified by
overriding LKMM_DIR variable in the Makefile by an option to make command.
So change of the location of memory model won’t be a problem.

But yes, the check of the existence of the directory can help users. I’ll see what l can do.

Thoughts?

Akira 
(from mobile, might be QP encoded)

> 
>                            Thanx, Paul
> 
>>        Thanks, Akira
>> --
>> Akira Yokosawa (2):
>>  CodeSamples/formal/herd: Add Makefile and utility script
>>  CodeSamples/formal/litmus: Fix type of 2:r2 in C-WWC+o+o-*.litmus test
>> 
>> CodeSamples/formal/herd/.gitignore                 |  4 ++
>> CodeSamples/formal/herd/Makefile                   | 60 ++++++++++++++++++++++
>> CodeSamples/formal/herd/litmus2herd.sh             | 20 ++++++++
>> .../formal/litmus/C-WWC+o+o-data-o+o-addr-o.litmus |  9 ++--
>> .../formal/litmus/C-WWC+o+o-r+o-addr-o.litmus      |  9 ++--
>> 5 files changed, 92 insertions(+), 10 deletions(-)
>> create mode 100644 CodeSamples/formal/herd/.gitignore
>> create mode 100644 CodeSamples/formal/herd/Makefile
>> create mode 100644 CodeSamples/formal/herd/litmus2herd.sh
>> 
>> -- 
>> 2.7.4
>> 
>> --
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