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

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Date: Fri, 29 Mar 2024 07:24:57 +0000
From: Conor Dooley <conor.dooley@...rochip.com>
To: Deepak Gupta <debug@...osinc.com>
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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 ++

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