Re: [PATCH 1/4] riscv: Extend cpufeature.c to detect vendor extensions

From: Conor Dooley <conor@kernel.org>
To: Charlie Jenkins <charlie@rivosinc.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Conor Dooley <conor.dooley@microchip.com>,
	Evan Green <evan@rivosinc.com>,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] riscv: Extend cpufeature.c to detect vendor extensions
Date: Thu, 16 May 2024 17:09:13 +0100	[thread overview]
Message-ID: <20240516-undergo-bruising-00b2dda7fdb5@spud> (raw)
In-Reply-To: <20240515-support_vendor_extensions-v1-1-b05dd5ea7d8d@rivosinc.com>

[-- Attachment #1.1: Type: text/plain, Size: 768 bytes --]

On Wed, May 15, 2024 at 02:26:13PM -0700, Charlie Jenkins wrote:
> Instead of grouping all vendor extensions into the same riscv_isa_ext
> that standard instructions use, create a struct
> "riscv_isa_vendor_ext_data_list" that allows each vendor to maintain
> their vendor extensions independently of the standard extensions.
> xandespmu is currently the only vendor extension so that is the only
> extension that is affected by this change.
> 
> An additional benefit of this is that the extensions of each vendor can
> be conditionally enabled. A config RISCV_ISA_VENDOR_EXT_ANDES has been
> added to allow for that.
> 
> Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>

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

Cheers,
Conor.

[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]

[-- Attachment #2: Type: text/plain, Size: 161 bytes --]

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv