LKML Archive mirror
 help / color / mirror / Atom feed
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>,
	"Clément Léger" <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 05/16] riscv: Extend cpufeature.c to detect vendor extensions
Date: Wed, 1 May 2024 12:40:38 +0100	[thread overview]
Message-ID: <20240501-drivable-deviation-0a493511770c@spud> (raw)
In-Reply-To: <20240426-dev-charlie-support_thead_vector_6_9-v4-5-b692f3c516ec@rivosinc.com>

[-- Attachment #1: Type: text/plain, Size: 1188 bytes --]

On Fri, Apr 26, 2024 at 02:29:19PM -0700, Charlie Jenkins wrote:
> Separate vendor extensions out into one struct per vendor
> instead of adding vendor extensions onto riscv_isa_ext.
> 
> Add a hidden config RISCV_ISA_VENDOR_EXT to conditionally include this
> code.
> 
> The xtheadvector vendor extension is added using these changes.
> 
> Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
> ---
>  arch/riscv/Kconfig                               |  2 +
>  arch/riscv/Kconfig.vendor                        | 19 ++++++
>  arch/riscv/include/asm/cpufeature.h              | 18 ++++++
>  arch/riscv/include/asm/vendor_extensions.h       | 26 ++++++++
>  arch/riscv/include/asm/vendor_extensions/thead.h | 19 ++++++
>  arch/riscv/kernel/Makefile                       |  2 +
>  arch/riscv/kernel/cpufeature.c                   | 77 ++++++++++++++++++------
>  arch/riscv/kernel/vendor_extensions.c            | 18 ++++++
>  arch/riscv/kernel/vendor_extensions/Makefile     |  3 +
>  arch/riscv/kernel/vendor_extensions/thead.c      | 36 +++++++++++

I see no modifications to cpu.c here, is it intentional that vendor
stuff isn't gonna show up in /proc/cpuinfo?

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]

  parent reply	other threads:[~2024-05-01 11:40 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-26 21:29 [PATCH v4 00/16] riscv: Support vendor extensions and xtheadvector Charlie Jenkins
2024-04-26 21:29 ` [PATCH v4 01/16] dt-bindings: riscv: Add xtheadvector ISA extension description Charlie Jenkins
2024-04-26 21:29 ` [PATCH v4 02/16] dt-bindings: riscv: cpus: add a vlen register length property Charlie Jenkins
2024-04-26 21:29 ` [PATCH v4 03/16] riscv: vector: Use vlenb from DT Charlie Jenkins
2024-05-01 10:31   ` Conor Dooley
2024-05-01 16:46     ` Charlie Jenkins
2024-04-26 21:29 ` [PATCH v4 04/16] riscv: dts: allwinner: Add xtheadvector to the D1/D1s devicetree Charlie Jenkins
2024-04-26 21:29 ` [PATCH v4 05/16] riscv: Extend cpufeature.c to detect vendor extensions Charlie Jenkins
2024-05-01 10:46   ` Conor Dooley
2024-05-01 17:04     ` Charlie Jenkins
2024-05-01 11:19   ` Conor Dooley
2024-05-01 17:06     ` Charlie Jenkins
2024-05-01 11:40   ` Conor Dooley [this message]
2024-05-01 17:10     ` Charlie Jenkins
2024-05-01 17:12       ` Conor Dooley
2024-05-01 16:44   ` Evan Green
2024-05-01 17:19     ` Conor Dooley
2024-05-01 17:58       ` Charlie Jenkins
2024-05-01 17:51     ` Charlie Jenkins
2024-05-01 18:03       ` Conor Dooley
2024-05-01 18:09         ` Conor Dooley
2024-05-01 18:37           ` Charlie Jenkins
2024-05-01 18:05       ` Evan Green
2024-05-02 22:31     ` Charlie Jenkins
2024-04-26 21:29 ` [PATCH v4 06/16] riscv: Introduce vendor variants of extension helpers Charlie Jenkins
2024-05-01 11:29   ` Conor Dooley
2024-05-01 19:45     ` Charlie Jenkins
2024-04-26 21:29 ` [PATCH v4 07/16] riscv: cpufeature: Extract common elements from extension checking Charlie Jenkins
2024-05-01 11:37   ` Conor Dooley
2024-05-01 19:48     ` Charlie Jenkins
2024-05-01 20:15       ` Conor Dooley
2024-05-01 20:39         ` Charlie Jenkins
2024-04-26 21:29 ` [PATCH v4 08/16] riscv: Convert xandespmu to use the vendor extension framework Charlie Jenkins
2024-05-01 11:38   ` Conor Dooley

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20240501-drivable-deviation-0a493511770c@spud \
    --to=conor@kernel.org \
    --cc=aou@eecs.berkeley.edu \
    --cc=charlie@rivosinc.com \
    --cc=cleger@rivosinc.com \
    --cc=conor+dt@kernel.org \
    --cc=conor.dooley@microchip.com \
    --cc=corbet@lwn.net \
    --cc=devicetree@vger.kernel.org \
    --cc=evan@rivosinc.com \
    --cc=guoren@kernel.org \
    --cc=jernej.skrabec@gmail.com \
    --cc=krzysztof.kozlowski+dt@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=linux-sunxi@lists.linux.dev \
    --cc=palmer@dabbelt.com \
    --cc=palmer@rivosinc.com \
    --cc=paul.walmsley@sifive.com \
    --cc=robh@kernel.org \
    --cc=samuel@sholland.org \
    --cc=shuah@kernel.org \
    --cc=wens@csie.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).