netdev - Re: [PATCH 00/26] constify local structures

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Message-ID: <877fah5j35.fsf@linux.intel.com>
Date:   Mon, 12 Sep 2016 16:43:58 +0300
From:   Felipe Balbi <felipe.balbi@...ux.intel.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Julia Lawall <julia.lawall@...6.fr>
Cc:     linux-renesas-soc@...r.kernel.org, joe@...ches.com,
        kernel-janitors@...r.kernel.org,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        linux-pm@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        linux-media@...r.kernel.org, linux-can@...r.kernel.org,
        Tatyana Nikolova <tatyana.e.nikolova@...el.com>,
        Shiraz Saleem <shiraz.saleem@...el.com>,
        Mustafa Ismail <mustafa.ismail@...el.com>,
        Chien Tin Tung <chien.tin.tung@...el.com>,
        linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
        devel@...verdev.osuosl.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org,
        linux-wireless@...r.kernel.org,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        tpmdd-devel@...ts.sourceforge.net, linux-scsi@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-acpi@...r.kernel.org
Subject: Re: [PATCH 00/26] constify local structures


Hi,

Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com> writes:
> On Mon, Sep 12, 2016 at 10:54:07AM +0200, Julia Lawall wrote:
>> 
>> 
>> On Sun, 11 Sep 2016, Jarkko Sakkinen wrote:
>> 
>> > On Sun, Sep 11, 2016 at 03:05:42PM +0200, Julia Lawall wrote:
>> > > Constify local structures.
>> > >
>> > > The semantic patch that makes this change is as follows:
>> > > (http://coccinelle.lip6.fr/)
>> >
>> > Just my two cents but:
>> >
>> > 1. You *can* use a static analysis too to find bugs or other issues.
>> > 2. However, you should manually do the commits and proper commit
>> >    messages to subsystems based on your findings. And I generally think
>> >    that if one contributes code one should also at least smoke test changes
>> >    somehow.
>> >
>> > I don't know if I'm alone with my opinion. I just think that one should
>> > also do the analysis part and not blindly create and submit patches.
>> 
>> All of the patches are compile tested.  And the individual patches are
>
> Compile-testing is not testing. If you are not able to test a commit,
> you should explain why.

Dude, Julia has been doing semantic patching for years already and
nobody has raised any concerns so far. There's already an expectation
that Coccinelle *works* and Julia's sematic patches are sound.

Besides, adding 'const' is something that causes virtually no functional
changes to the point that build-testing is really all you need. Any
problems caused by adding 'const' to a definition will be seen by build
errors or warnings.

Really, just stop with the pointless discussion and go read a bit about
Coccinelle and what semantic patches are giving you. The work done by
Julia and her peers are INRIA have measurable benefits.

You're really making a thunderstorm in a glass of water.

-- 
balbi

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