Re: [RFC PATCH v3 04/15] rcu: Add a small-width RCU watching counter debug option

[Valentin Schneider]

On 20/11/24 15:50, Peter Zijlstra wrote:
> On Tue, Nov 19, 2024 at 04:34:51PM +0100, Valentin Schneider wrote:
>> A later commit will reduce the size of the RCU watching counter to free up
>> some bits for another purpose. Paul suggested adding a config option to
>> test the extreme case where the counter is reduced to its minimum usable
>> width for rcutorture to poke at, so do that.
>> 
>> Make it only configurable under RCU_EXPERT. While at it, add a comment to
>> explain the layout of context_tracking->state.
>
> Note that this means it will get selected by allyesconfig and the like,
> is that desired?
>

I would say no

> If no, depends on !COMPILE_TEST can help here.

Noted, thank you!