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Date: Wed, 1 May 2024 12:37:14 +0100
From: Conor Dooley <conor@kernel.org>
To: Charlie Jenkins <charlie@rivosinc.com>
Cc: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>, Guo Ren <guoren@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Samuel Holland <samuel@sholland.org>,
	Conor Dooley <conor.dooley@microchip.com>,
	Evan Green <evan@rivosinc.com>,
	=?iso-8859-1?Q?Cl=E9ment_L=E9ger?= <cleger@rivosinc.com>,
	Jonathan Corbet <corbet@lwn.net>, Shuah Khan <shuah@kernel.org>,
	linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, Palmer Dabbelt <palmer@rivosinc.com>,
	linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev,
	linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v4 07/16] riscv: cpufeature: Extract common elements from
 extension checking
Message-ID: <20240501-probable-unfunded-746ef6ae1853@spud>
References: <20240426-dev-charlie-support_thead_vector_6_9-v4-0-b692f3c516ec@rivosinc.com>
 <20240426-dev-charlie-support_thead_vector_6_9-v4-7-b692f3c516ec@rivosinc.com>
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On Fri, Apr 26, 2024 at 02:29:21PM -0700, Charlie Jenkins wrote:
> The __riscv_has_extension_likely() and __riscv_has_extension_unlikely()
> functions from the vendor_extensions.h can be used to simplify the
> standard extension checking code as well. Migrate those functions to
> cpufeature.h and reorganize the code in the file to use the functions.
>=20
> Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
> ---
>  arch/riscv/include/asm/cpufeature.h        | 78 +++++++++++++++++-------=
------
>  arch/riscv/include/asm/vendor_extensions.h | 28 -----------
>  2 files changed, 44 insertions(+), 62 deletions(-)
>=20
> diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm=
/cpufeature.h
> index fedd479ccfd1..17896ec9ec11 100644
> --- a/arch/riscv/include/asm/cpufeature.h
> +++ b/arch/riscv/include/asm/cpufeature.h
> @@ -98,59 +98,66 @@ extern bool riscv_isa_fallback;
> =20
>  unsigned long riscv_isa_extension_base(const unsigned long *isa_bitmap);
> =20
> +#define EXT_ALL_VENDORS		0

It's not really "all vendors", it's standard. Otherwise, this seems all
grand to me,
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Cheers,
Conor.

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