Re: [PATCH v3 10/11] arch: Remove cmpxchg_double

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To: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Subject: Re: [PATCH v3 10/11] arch: Remove cmpxchg_double
From: Heiko Carstens <hca@xxxxxxxxxxxxx>
Date: Mon, 15 May 2023 10:52:43 +0200
Cc: torvalds@xxxxxxxxxxxxxxxxxxxx, corbet@xxxxxxx, will@xxxxxxxxxx, boqun.feng@xxxxxxxxx, mark.rutland@xxxxxxx, catalin.marinas@xxxxxxx, dennis@xxxxxxxxxx, tj@xxxxxxxxxx, cl@xxxxxxxxx, gor@xxxxxxxxxxxxx, agordeev@xxxxxxxxxxxxx, borntraeger@xxxxxxxxxxxxx, svens@xxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, bp@xxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, hpa@xxxxxxxxx, joro@xxxxxxxxxx, suravee.suthikulpanit@xxxxxxx, robin.murphy@xxxxxxx, dwmw2@xxxxxxxxxxxxx, baolu.lu@xxxxxxxxxxxxxxx, Arnd Bergmann <arnd@xxxxxxxx>, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>, davem@xxxxxxxxxxxxx, penberg@xxxxxxxxxx, rientjes@xxxxxxxxxx, iamjoonsoo.kim@xxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, vbabka@xxxxxxx, roman.gushchin@xxxxxxxxx, 42.hyeyoo@xxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx
In-reply-to: <20230515080554.589824283@infradead.org>
References: <20230515075659.118447996@infradead.org> <20230515080554.589824283@infradead.org>

On Mon, May 15, 2023 at 09:57:09AM +0200, Peter Zijlstra wrote:
> No moar users, remove the monster.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> ---
...
>  arch/s390/include/asm/cmpxchg.h            |   34 -----------------
>  arch/s390/include/asm/percpu.h             |   18 ---------

FWIW, for s390:
Acked-by: Heiko Carstens <hca@xxxxxxxxxxxxx>

References:
- [PATCH v3 00/11] Introduce cmpxchg128() -- aka. the demise of cmpxchg_double()
  - From: Peter Zijlstra
- [PATCH v3 10/11] arch: Remove cmpxchg_double
  - From: Peter Zijlstra

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