linux-kernel - Re: [PATCH 4/6] lib/refcount: Move bulk of REFCOUNT

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Date:   Fri, 2 Aug 2019 20:52:22 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Will Deacon <will@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>,
        Ingo Molnar <mingo@...nel.org>,
        Elena Reshetova <elena.reshetova@...el.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Hanjun Guo <guohanjun@...wei.com>,
        Jan Glauber <jglauber@...vell.com>
Subject: Re: [PATCH 4/6] lib/refcount: Move bulk of REFCOUNT_FULL
 implementation into header

On Fri, Aug 02, 2019 at 11:09:58AM +0100, Will Deacon wrote:
> In an effort to improve performance of the REFCOUNT_FULL implementation,
> move the bulk of its functions into linux/refcount.h. This allows them
> to be inlined in the same way as if they had been provided via
> CONFIG_ARCH_HAS_REFCOUNT.

Hehe, they started out this way, then Linus said to stuff them in a C
file :-)