linux-kernel - Re: [PATCH 7/7] riscv: Add qspinlock support based on Zabha extension

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Message-ID: <ZlZ8/Nv3QS99AgY9@andrea>
Date: Wed, 29 May 2024 02:55:24 +0200
From: Andrea Parri <parri.andrea@...il.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>,
	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,
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
	linux-arch@...r.kernel.org
Subject: Re: [PATCH 7/7] riscv: Add qspinlock support based on Zabha extension

> +	select ARCH_USE_QUEUED_SPINLOCKS if TOOLCHAIN_HAS_ZABHA

IIUC, we should make sure qspinlocks run with ARCH_WEAK_RELEASE_ACQUIRE,
perhaps a similar select for the latter?  (not a kconfig expert)

  Andrea