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Message-ID: <20240731-a49ee87a149ba9bf333378d0@orel>
Date: Wed, 31 Jul 2024 11:21:12 +0200
From: Andrew Jones <ajones@...tanamicro.com>
To: Alexandre Ghiti <alexghiti@...osinc.com>
Cc: Jonathan Corbet <corbet@....net>,
Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>, Conor Dooley <conor@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>, Andrea Parri <parri.andrea@...il.com>,
Nathan Chancellor <nathan@...nel.org>, Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>, Waiman Long <longman@...hat.com>,
Boqun Feng <boqun.feng@...il.com>, Arnd Bergmann <arnd@...db.de>,
Leonardo Bras <leobras@...hat.com>, Guo Ren <guoren@...nel.org>, linux-doc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
linux-arch@...r.kernel.org
Subject: Re: [PATCH v4 03/13] riscv: Implement cmpxchg32/64() using Zacas
On Wed, Jul 31, 2024 at 09:23:55AM GMT, Alexandre Ghiti wrote:
> This adds runtime support for Zacas in cmpxchg operations.
>
> Signed-off-by: Alexandre Ghiti <alexghiti@...osinc.com>
> ---
> arch/riscv/Kconfig | 16 +++++++++++
> arch/riscv/Makefile | 3 ++
> arch/riscv/include/asm/cmpxchg.h | 48 +++++++++++++++++++++-----------
> 3 files changed, 50 insertions(+), 17 deletions(-)
Reviewed-by: Andrew Jones <ajones@...tanamicro.com>
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