linux-kernel - Re: [PATCH 0/2] riscv: Add macro for multiple nop instructions

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Date:   Wed, 8 Jun 2022 10:28:29 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Wei Fu <wefu@...hat.com>, Nick Kossifidis <mick@....forth.gr>,
        Samuel Holland <samuel@...lland.org>,
        Christoph Muellner <cmuellner@...ux.com>,
        Philipp Tomsich <philipp.tomsich@...ll.eu>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH 0/2] riscv: Add macro for multiple nop instructions

Just a safe good coding convention point.

Reviewed-by: Guo Ren <guoren@...nel.org>

On Tue, Jun 7, 2022 at 10:31 PM Heiko Stuebner <heiko@...ech.de> wrote:
>
> Some cases need multiple nop instructions and arm64 already has a
> nice helper for not needing to write all of them out but instead
> use a helper to add n nops.
>
> So add a similar thing to riscv and convert the T-Head PMA
> alternative to use it.
>
>
> Heiko Stuebner (2):
>   riscv: introduce nops and __nops macros for NOP sequences
>   riscv: convert the t-head pbmt errata to use the __nops macro
>
>  arch/riscv/include/asm/asm.h         | 15 +++++++++++++++
>  arch/riscv/include/asm/barrier.h     |  2 ++
>  arch/riscv/include/asm/errata_list.h |  8 +-------
>  3 files changed, 18 insertions(+), 7 deletions(-)
>
> --
> 2.35.1
>


-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/