linux-kernel - Re: [3/3] Coccinelle: pci_free_consistent: Extend when constraints for two SmPL ellipses

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Message-ID: <bfde9b91-0c5d-31a0-4b1b-5f675152b2f8@web.de>
Date:   Wed, 15 May 2019 10:36:52 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Julia Lawall <julia.lawall@...6.fr>
Cc:     Wen Yang <wen.yang99@....com.cn>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Yi Wang <wang.yi59@....com.cn>,
        Cheng Shengyu <cheng.shengyu@....com.cn>,
        Ma Jiang <ma.jiang@....com.cn>,
        LKML <linux-kernel@...r.kernel.org>,
        Coccinelle <cocci@...teme.lip6.fr>
Subject: Re: [3/3] Coccinelle: pci_free_consistent: Extend when constraints
 for two SmPL ellipses

>> 1, "id = (T2)(e)" is rare.
>
> Thanks for checking.  I don't really care if it is rare.

I got related source code analysis concerns.


> There should not be much cost to this.

Each additional filter will influence the software run times and
possible results.


> On the other hand, I do care about causing false negatives.

Do you find the missing warning after the addition of such an exclusion
specification interesting?

Regards,
Markus