linux-kernel - Re: [PATCH v2 0/1] kbuild: upgrade the orphan section warning to an error if CONFIG

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Date:   Fri, 28 Oct 2022 14:23:21 -0700
From:   Kees Cook <keescook@...omium.org>
To:     linux-kernel@...r.kernel.org, x86@...nel.org,
        linux-kbuild@...r.kernel.org, xin3.li@...el.com,
        llvm@...ts.linux.dev
Cc:     Kees Cook <keescook@...omium.org>, nathan@...nel.org,
        hpa@...or.com, peterz@...radead.org, andrew.cooper3@...rix.com
Subject: Re: [PATCH v2 0/1] kbuild: upgrade the orphan section warning to an error if CONFIG_WERROR is set

On Tue, 25 Oct 2022 00:30:22 -0700, Xin Li wrote:
> Andrew Cooper suggested upgrading the orphan section warning to a hard link
> error. However Nathan Chancellor said outright turning the warning into an
> error with no escape hatch might be too aggressive, as we have had these
> warnings triggered by new compiler generated sections, and suggested turning
> orphan sections into an error only if CONFIG_WERROR is set. Kees Cook echoed
> and emphasized that the mandate from Linus is that we should avoid breaking
> builds. It wrecks bisection, it causes problems across compiler versions, etc.
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] kbuild: upgrade the orphan section warning to an error if CONFIG_WERROR is set
      https://git.kernel.org/kees/c/450301ceb4e6

-- 
Kees Cook