linux-kernel - Re: [PATCH v2 10/10] riscv: Add qspinlock support based on Zabha extension

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Message-ID: <Zn2C+NXNZ/sj0wI6@andrea>
Date: Thu, 27 Jun 2024 17:19:20 +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>,
	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,
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
	linux-arch@...r.kernel.org
Subject: Re: [PATCH v2 10/10] riscv: Add qspinlock support based on Zabha
 extension

> This is largely based on Guo's work and Leonardo reviews at [1].

Guo, could/should this have your Co-developed-by:/Signed-off-by:?

(disclaimer: I haven't looked at the last three patches of this submission
with due calm and probably won't before ~mid-July...)


> Link: https://lore.kernel.org/linux-riscv/20231225125847.2778638-1-guoren@kernel.org/ [1]

There seems to be a distinct lack of experimental results, compared to the
previous/cited submission (and numbers are good to have!!  ;-)). Maybe Guo
/others can provide some? to confirm this is going in the right direction.

  Andrea