Re: [RFC PATCH] rcu: Make 'rcu_assign_pointer(p, v)' of type 'typeof(p)'
From: Andrea Parri
Date: Thu May 23 2019 - 10:56:12 EST
> > TBH, I'm not sure this is 'the right patch' (hence the RFC...): in
> > fact, I'm currently missing the motivations for allowing assignments
> > such as the "r0 = ..." assignment above in generic code. (BTW, it's
> > not currently possible to use such assignments in litmus tests...)
>
> Given that a quick (and perhaps error-prone) search of the uses of
> rcu_assign_pointer() in v5.1 didn't find a single use of the return
> value, let's please instead change the documentation and implementation
> to eliminate the return value.
Thanks for the confirmation, Paul; I'll prepare the new patch shortly...
Andrea