linux-kernel - Re: sched: make struct task

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Date:   Tue, 24 Sep 2019 10:28:33 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Valentin Schneider <valentin.schneider@....com>,
        Julia Lawall <julia.lawall@...6.fr>
Cc:     Alexey Dobriyan <adobriyan@...il.com>, dm-devel@...hat.com,
        linux-block@...r.kernel.org, rcu@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Andrea Arcangeli <aarcange@...hat.com>,
        Ingo Molnar <mingo@...hat.com>, Jens Axboe <axboe@...nel.dk>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: sched: make struct task_struct::state 32-bit

>>> identifier task_state =~ "^TASK_";
>>
>> Are there a lot of options?  You can also enumerate them in {}, ie
>>
>> identifier task_state = {TASK_BLAH, TASK_BLAHBLAH};
>
> Around a dozen, can be enumerated easily and is indeed probably better than
> a regexp.

Can the application of a regular expression be more convenient
for such an use case?


>> You want to look at the definitions of called functions?
>> Coccinelle doesn't really support that,

I got an other impression.


>> but there are hackish ways to add that.

How do you think about to discuss corresponding software development challenges?

Regards,
Markus