linux-kernel - Re: [PATCH v5 03/17] riscv: vector: Use vlenb from DT

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Message-ID: <20240503-reviver-unify-b07f33cb6053@spud>
Date: Fri, 3 May 2024 18:26:58 +0100
From: Conor Dooley <conor@...nel.org>
To: Charlie Jenkins <charlie@...osinc.com>
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>, Guo Ren <guoren@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Evan Green <evan@...osinc.com>,
	Clément Léger <cleger@...osinc.com>,
	Jonathan Corbet <corbet@....net>, Shuah Khan <shuah@...nel.org>,
	linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, Palmer Dabbelt <palmer@...osinc.com>,
	linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
	linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v5 03/17] riscv: vector: Use vlenb from DT

On Fri, May 03, 2024 at 10:15:16AM -0700, Charlie Jenkins wrote:
> The DT is improperly
> formatted since it has heterogeneous vlenb entries and has V enabled,
> but since the user disabled V in the kernel skipping the warning is
> reasonable.

I wouldn't go as far as "improperly formatted", as if the harts really
do have differing vector lengths, it's correctly formatted. It's just
not something we support in Linux.

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