linux-kernel - Re: [PATCH 1/5] sched: convert sighand_struct.count to refcount

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Date:   Fri, 18 Jan 2019 13:56:11 +0100
From:   Andrea Parri <andrea.parri@...rulasolutions.com>
To:     Elena Reshetova <elena.reshetova@...el.com>
Cc:     mingo@...hat.com, peterz@...radead.org,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        viro@...iv.linux.org.uk, akpm@...ux-foundation.org,
        keescook@...omium.org, tglx@...utronix.de
Subject: Re: [PATCH 1/5] sched: convert sighand_struct.count to refcount_t

Hi Elena,

[...]

> **Important note for maintainers:
> 
> Some functions from refcount_t API defined in lib/refcount.c
> have different memory ordering guarantees than their atomic
> counterparts.
> The full comparison can be seen in
> https://lkml.org/lkml/2017/11/15/57 and it is hopefully soon
> in state to be merged to the documentation tree.

Just a remark to point out that that document got merged, even though
in a different location/format: c.f.,

  b6e859f6cdd1 ("docs: refcount_t documentation")

  Andrea