linux-kernel - Re: [PATCH v2 04/27] riscv: zicfiss/zicfilp enumeration

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240329-condition-morse-c3d02720853a@wendy>
Date: Fri, 29 Mar 2024 07:24:57 +0000
From: Conor Dooley <conor.dooley@...rochip.com>
To: Deepak Gupta <debug@...osinc.com>
CC: <paul.walmsley@...ive.com>, <rick.p.edgecombe@...el.com>,
	<broonie@...nel.org>, <Szabolcs.Nagy@....com>, <kito.cheng@...ive.com>,
	<keescook@...omium.org>, <ajones@...tanamicro.com>, <cleger@...osinc.com>,
	<atishp@...shpatra.org>, <alex@...ti.fr>, <bjorn@...osinc.com>,
	<alexghiti@...osinc.com>, <samuel.holland@...ive.com>, <palmer@...ive.com>,
	<conor@...nel.org>, <linux-doc@...r.kernel.org>,
	<linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-mm@...ck.org>,
	<linux-arch@...r.kernel.org>, <linux-kselftest@...r.kernel.org>,
	<corbet@....net>, <tech-j-ext@...ts.risc-v.org>, <palmer@...belt.com>,
	<aou@...s.berkeley.edu>, <robh+dt@...nel.org>,
	<krzysztof.kozlowski+dt@...aro.org>, <oleg@...hat.com>,
	<akpm@...ux-foundation.org>, <arnd@...db.de>, <ebiederm@...ssion.com>,
	<Liam.Howlett@...cle.com>, <vbabka@...e.cz>, <lstoakes@...il.com>,
	<shuah@...nel.org>, <brauner@...nel.org>, <andy.chiu@...ive.com>,
	<jerry.shih@...ive.com>, <hankuan.chen@...ive.com>,
	<greentime.hu@...ive.com>, <evan@...osinc.com>, <xiao.w.wang@...el.com>,
	<charlie@...osinc.com>, <apatel@...tanamicro.com>,
	<mchitale@...tanamicro.com>, <dbarboza@...tanamicro.com>,
	<sameo@...osinc.com>, <shikemeng@...weicloud.com>, <willy@...radead.org>,
	<vincent.chen@...ive.com>, <guoren@...nel.org>, <samitolvanen@...gle.com>,
	<songshuaishuai@...ylab.org>, <gerg@...nel.org>, <heiko@...ech.de>,
	<bhe@...hat.com>, <jeeheng.sia@...rfivetech.com>, <cyy@...self.name>,
	<maskray@...gle.com>, <ancientmodern4@...il.com>, <mathis.salmen@...sal.de>,
	<cuiyunhui@...edance.com>, <bgray@...ux.ibm.com>, <mpe@...erman.id.au>,
	<baruch@...s.co.il>, <alx@...nel.org>, <david@...hat.com>,
	<catalin.marinas@....com>, <revest@...omium.org>, <josh@...htriplett.org>,
	<shr@...kernel.io>, <deller@....de>, <omosnace@...hat.com>,
	<ojeda@...nel.org>, <jhubbard@...dia.com>
Subject: Re: [PATCH v2 04/27] riscv: zicfiss/zicfilp enumeration

On Thu, Mar 28, 2024 at 09:44:36PM -0700, Deepak Gupta wrote:
> Adds description in dt-bindings (extensions.yaml)
> 
> This patch adds support for detecting zicfiss and zicfilp. zicfiss and zicfilp
> stands for unprivleged integer spec extension for shadow stack and branch
> tracking on indirect branches, respectively.
> 
> This patch looks for zicfiss and zicfilp in device tree and accordinlgy lights
> up bit in cpu feature bitmap. Furthermore this patch adds detection utility
> functions to return whether shadow stack or landing pads are supported by
> cpu.
> 
> Signed-off-by: Deepak Gupta <debug@...osinc.com>
> ---

>  .../devicetree/bindings/riscv/extensions.yaml       | 10 ++++++++++

Checkpatch should have told you that bindings changes need to be in
separate patches.

Thanks,
Conor.

>  arch/riscv/include/asm/cpufeature.h                 | 13 +++++++++++++
>  arch/riscv/include/asm/hwcap.h                      |  2 ++
>  arch/riscv/include/asm/processor.h                  |  1 +
>  arch/riscv/kernel/cpufeature.c                      |  2 ++

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)