linux-kernel - Re: [PATCH] arm64: move warning about toolchains to archprepare

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Date:   Tue,  3 Aug 2021 11:05:19 +0100
From:   Will Deacon <will@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        moderated for non-subscribers 
        <linux-arm-kernel@...ts.infradead.org>
Cc:     kernel-team@...roid.com, Will Deacon <will@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: move warning about toolchains to archprepare

On Sun, 1 Aug 2021 14:35:25 +0900, Masahiro Yamada wrote:
> Commit 987fdfec2410 ("arm64: move --fix-cortex-a53-843419 linker test to
> Kconfig") fixed the false-positive warning in the installation step.
> 
> Yet, there are some cases where this false-positive is shown. For example,
> you can see it when you cross 987fdfec2410 during git-bisect.
> 
>   $ git checkout 987fdfec2410^
>     [ snip ]
>   $ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- defconfig all
>     [ snip ]
>   $ git checkout v5.13
>     [ snip]
>   $ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- defconfig all
>     [ snip ]
>   arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64: move warning about toolchains to archprepare
      https://git.kernel.org/arm64/c/64ee84c75b5f

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev