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Message-ID: <a43fe392-bd6a-71f5-8611-c6b764ba56c3@arm.com>
Date: Wed, 4 Sep 2019 13:07:18 +0100
From: Valentin Schneider <valentin.schneider@....com>
To: Alexey Dobriyan <adobriyan@...il.com>
Cc: mingo@...hat.com, peterz@...radead.org,
linux-kernel@...r.kernel.org, rcu@...r.kernel.org,
linux-block@...r.kernel.org, dm-devel@...hat.com, axboe@...nel.dk,
aarcange@...hat.com
Subject: Re: [PATCH] sched: make struct task_struct::state 32-bit
On 03/09/2019 22:51, Valentin Schneider wrote:
[...]
> I tried something for function parameters, which seems to be feasible
> according to [1], but couldn't get it to work (yet). Here's what I have
> so far:
>
[...]
So now I have this:
---
@funcmatch@
identifier func;
identifier p;
identifier state_var;
@@
func(..., struct task_struct *p, ...
- , long state_var
+ , int state_var
,...)
{
...
}
---
Which seems to be doing roughly what I want. I probably need another
version to cover functions with reverse parameter order, and also need
to make it match functions that assign state_var to p->state (or pass it
down to another function that might do it).
Baby steps...
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