linux-kernel - Re: [RFC/RFT PATCH 2/6] arc: Wire up cmpxchg64

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Message-ID: <CAMj1kXHhSFj-ScYXCZu=9SyWp8j3ZrO4qwOcmKLZ9FBLwN6-Qg@mail.gmail.com>
Date: Wed, 3 Dec 2025 17:59:21 +0100
From: Ard Biesheuvel <ardb@...nel.org>
To: Joey Gouly <joey.gouly@....com>
Cc: Ard Biesheuvel <ardb+git@...gle.com>, linux-hardening@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	Kees Cook <kees@...nel.org>, Ryan Roberts <ryan.roberts@....com>, Will Deacon <will@...nel.org>, 
	Arnd Bergmann <arnd@...db.de>, Jeremy Linton <jeremy.linton@....com>, 
	Catalin Marinas <Catalin.Marinas@....com>, Mark Rutland <mark.rutland@....com>, 
	"Jason A. Donenfeld" <Jason@...c4.com>
Subject: Re: [RFC/RFT PATCH 2/6] arc: Wire up cmpxchg64_local() to generic implementation

On Thu, 27 Nov 2025 at 16:06, Joey Gouly <joey.gouly@....com> wrote:
>
> On Thu, Nov 27, 2025 at 10:22:29AM +0100, Ard Biesheuvel wrote:
> > From: Ard Biesheuvel <ardb@...nel.org>
> >
> > Provide cmpxchg64_local() for hexagon so we can start using it in
> > generic code.
>
> nit: this is for arc, not hexagon.
>

Indeed, thanks!