linux-kernel - Re: Re: [PATCH v11 1/7] ARM: probes: move all probe code to dedicate directory

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Message-ID: <547E93E3.70209@hitachi.com>
Date:	Wed, 03 Dec 2014 13:38:59 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Wang Nan <wangnan0@...wei.com>
Cc:	tixy@...aro.org, linux@....linux.org.uk, lizefan@...wei.com,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: Re: [PATCH v11 1/7] ARM: probes: move all probe code to dedicate
 directory

(2014/12/02 19:23), Wang Nan wrote:
> On 2014/12/2 12:59, Masami Hiramatsu wrote:
>> (2014/12/01 17:48), Wang Nan wrote:
>>> In discussion on LKML (https://lkml.org/lkml/2014/11/28/158), Russell
>>> King suggest to move all probe related code to arch/arm/probes. This
>>> patch do the work. Due to dependency on 'arch/arm/kernel/patch.h', this
>>> patch also move patch.h to 'arch/arm/include/asm/patch.h', and related
>>> '#include' directive are also midified to '#include <asm/patch.h>'.
>>
>> Moving is good to me, but renaming files are also required I think.
>>
>>> Signed-off-by: Wang Nan <wangnan0@...wei.com>
>>> ---
>>>  arch/arm/Makefile                                |  1 +
>>>  arch/arm/{kernel => include/asm}/patch.h         |  0
>>>  arch/arm/kernel/Makefile                         | 16 ++--------------
>>>  arch/arm/kernel/jump_label.c                     |  2 +-
>>>  arch/arm/kernel/patch.c                          |  3 +--
>>>  arch/arm/probes/Makefile                         | 15 +++++++++++++++
>>>  arch/arm/{kernel => probes}/kprobes-arm.c        |  0
>>>  arch/arm/{kernel => probes}/kprobes-common.c     |  0
>>>  arch/arm/{kernel => probes}/kprobes-test-arm.c   |  0
>>>  arch/arm/{kernel => probes}/kprobes-test-thumb.c |  0
>>>  arch/arm/{kernel => probes}/kprobes-test.c       |  0
>>>  arch/arm/{kernel => probes}/kprobes-test.h       |  0
>>>  arch/arm/{kernel => probes}/kprobes-thumb.c      |  0
>>>  arch/arm/{kernel => probes}/kprobes.c            |  2 +-
>>>  arch/arm/{kernel => probes}/kprobes.h            |  0
>>>  arch/arm/{kernel => probes}/probes-arm.c         |  0
>>>  arch/arm/{kernel => probes}/probes-arm.h         |  0
>>>  arch/arm/{kernel => probes}/probes-thumb.c       |  0
>>>  arch/arm/{kernel => probes}/probes-thumb.h       |  0
>>>  arch/arm/{kernel => probes}/probes.c             |  0
>>>  arch/arm/{kernel => probes}/probes.h             |  0
>>>  arch/arm/{kernel => probes}/uprobes-arm.c        |  0
>>>  arch/arm/{kernel => probes}/uprobes.c            |  0
>>>  arch/arm/{kernel => probes}/uprobes.h            |  0
>>
>> As I did on x86, these would be better renamed as expressing what they do.
>> I guess most of the files may have emulate-*.c or decode-*.c :)
>>
>> Thank you,
>>
> 
> OK. I posted another patch in this thread. The directory tree is as follow:
> 
> arch/arm/probes/
> |-- Makefile
> |-- decode-arm.c
> |-- decode-arm.h
> |-- decode-thumb.c
> |-- decode-thumb.h
> |-- decode.c
> |-- decode.h
> |-- kprobes
> |   |-- actions-arm.c
> |   |-- actions-common.c
> |   |-- actions-thumb.c
> |   |-- kprobes.c
> |   |-- kprobes.h
> |   |-- test-arm.c
> |   |-- test-core.c
> |   |-- test-core.h
> |   `-- test-thumb.c
> `-- uprobes
>     |-- actions-arm.c
>     |-- uprobes.c
>     `-- uprobes.h
> 
> 2 directories, 19 files
> 
> What do you think?

Yeah, that looks better :)

Btw, if you introduce probes/{kprobes,uprobes}/, *probes.c should be core.c too,
since the directories already show its name. And also, both dirs should have its
own Makefile.

Thank you,


-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Research Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@...achi.com


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