linux-kernel - Re: [PATCH v4 3/9] riscv: cpufeature: call match_isa

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Date: Thu, 18 Apr 2024 11:29:59 +0100
From: Conor Dooley <conor.dooley@...rochip.com>
To: Andy Chiu <andy.chiu@...ive.com>
CC: Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
	<palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, Heiko Stuebner
	<heiko@...ech.de>, Guo Ren <guoren@...nel.org>, Conor Dooley
	<conor@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>, Jonathan Corbet <corbet@....net>, Evan
 Green <evan@...osinc.com>, Clément Léger
	<cleger@...osinc.com>, Shuah Khan <shuah@...nel.org>,
	<linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, Palmer
 Dabbelt <palmer@...osinc.com>, Vincent Chen <vincent.chen@...ive.com>,
	Greentime Hu <greentime.hu@...ive.com>, <devicetree@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <linux-kselftest@...r.kernel.org>
Subject: Re: [PATCH v4 3/9] riscv: cpufeature: call match_isa_ext() for
 single-letter extensions

On Fri, Apr 12, 2024 at 02:48:59PM +0800, Andy Chiu wrote:
> Single-letter extensions may also imply multiple subextensions. For
> example, Vector extension implies zve64d, and zve64d implies zve64f.
> 
> Extension parsing for "riscv,isa-extensions" has the ability to resolve
> the dependency by calling match_isa_ext(). This patch makes deprecated
> parser call the same function for single letter extensions.

Sure, why not..

Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>

Thanks,
Conor.

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