linux-kernel - Re: [PATCH] arm64: Do not include __READ

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Message-Id: <164686530868.2021143.5226596562469342998.b4-ty@arm.com>
Date:   Wed,  9 Mar 2022 22:35:13 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     Nathan Chancellor <nathan@...nel.org>,
        Will Deacon <will@...nel.org>
Cc:     linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        James Morse <james.morse@....com>,
        Marc Zyngier <maz@...nel.org>, stable@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH] arm64: Do not include __READ_ONCE() block in assembly files

On Wed, 9 Mar 2022 12:16:34 -0700, Nathan Chancellor wrote:
> When building arm64 defconfig + CONFIG_LTO_CLANG_{FULL,THIN}=y after
> commit 558c303c9734 ("arm64: Mitigate spectre style branch history side
> channels"), the following error occurs:
> 
>   <instantiation>:4:2: error: invalid fixup for movz/movk instruction
>    mov w0, #ARM_SMCCC_ARCH_WORKAROUND_3
>    ^
> 
> [...]

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

[1/1] arm64: Do not include __READ_ONCE() block in assembly files
      https://git.kernel.org/arm64/c/52c9f93a9c48

-- 
Catalin