linux-kernel - Re: [PATCH v2] arm64/alternatives: move length validation inside the subsection

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Message-Id: <159612421491.1041762.16502562347274669841.b4-ty@kernel.org>
Date:   Thu, 30 Jul 2020 17:52:08 +0100
From:   Will Deacon <will@...nel.org>
To:     Ard Biesheuvel <ardb@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Sami Tolvanen <samitolvanen@...gle.com>
Cc:     kernel-team@...roid.com, Will Deacon <will@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        clang-built-linux@...glegroups.com,
        Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64/alternatives: move length validation inside the subsection

On Thu, 30 Jul 2020 08:37:01 -0700, Sami Tolvanen wrote:
> Commit f7b93d42945c ("arm64/alternatives: use subsections for replacement
> sequences") breaks LLVM's integrated assembler, because due to its
> one-pass design, it cannot compute instruction sequence lengths before the
> layout for the subsection has been finalized. This change fixes the build
> by moving the .org directives inside the subsection, so they are processed
> after the subsection layout is known.

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

[1/1] arm64/alternatives: move length validation inside the subsection
      https://git.kernel.org/arm64/c/966a0acce2fc

Cheers,
-- 
Will

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