linux-kernel - Re: [PATCH v2 0/9] refcount: Improve code-gen

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Message-ID: <YbOsZ3YlmCuDyPLk@hirez.programming.kicks-ass.net>
Date:   Fri, 10 Dec 2021 20:37:11 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     will@...nel.org, boqun.feng@...il.com
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org, mark.rutland@....com,
        elver@...gle.com, keescook@...omium.org, hch@...radead.org,
        torvalds@...ux-foundation.org, axboe@...nel.dk
Subject: Re: [PATCH v2 0/9] refcount: Improve code-gen

On Fri, Dec 10, 2021 at 05:16:18PM +0100, Peter Zijlstra wrote:
> Hi,
> 
> Now with Linus' favourite refcount scheme on :-)
> 
> Changes since RFC:
> 
>  - more cleanups in scripts/atomic/
>  - rename atomic_*_ofl() to atomic_*_overflow() (null)
>  - alternative x86 refcount scheme (Linus)
>  - fix for refcount_dec_not_one()
>  - opt __refcount_add_not_zero(.i=1)
> 
> Boots x86_64 and builds a kernel.

All patches, including review comments so far (including dec;js) now at:

  git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/wip.refcount

I'll see if I can update the documentation patch this weekend, otherwise
there's always next week :-)