linux-kernel - Re: [PATCH -fixes v2] riscv: Re-introduce global icache flush in patch_text

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Message-ID: <b5343609-1b05-4825-99a6-57a33187dc90@sifive.com>
Date: Thu, 1 Aug 2024 14:20:33 -0500
From: Samuel Holland <samuel.holland@...ive.com>
To: Alexandre Ghiti <alexghiti@...osinc.com>
Cc: Paul Walmsley <paul.walmsley@...ive.com>,
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Andy Chiu <andy.chiu@...ive.com>, linux-riscv@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH -fixes v2] riscv: Re-introduce global icache flush in
 patch_text_XXX()

On 2024-08-01 2:14 PM, Alexandre Ghiti wrote:
> commit edf2d546bfd6 ("riscv: patch: Flush the icache right after
> patching to avoid illegal insns") mistakenly removed the global icache
> flush in patch_text_nosync() and patch_text_set_nosync() functions, so
> reintroduce them.
> 
> Fixes: edf2d546bfd6 ("riscv: patch: Flush the icache right after patching to avoid illegal insns")
> Reported-by: Samuel Holland <samuel.holland@...ive.com>
> Closes: https://lore.kernel.org/linux-riscv/a28ddc26-d77a-470a-a33f-88144f717e86@sifive.com/
> Signed-off-by: Alexandre Ghiti <alexghiti@...osinc.com>
> ---
>  arch/riscv/kernel/patch.c | 4 ++++
>  1 file changed, 4 insertions(+)

Thanks for the update!

Reviewed-by: Samuel Holland <samuel.holland@...ive.com>