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Re: [dm-devel] [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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