linux-kernel - Re: [PATCH] vmlinux.lds.h: Remove a reference to no longer used sections .text..refcount

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Message-Id: <168911102014.3161793.10168759191370577926.b4-ty@chromium.org>
Date:   Tue, 11 Jul 2023 14:30:22 -0700
From:   Kees Cook <keescook@...omium.org>
To:     arnd@...db.de, Petr Pavlu <petr.pavlu@...e.com>
Cc:     Kees Cook <keescook@...omium.org>, will@...nel.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] vmlinux.lds.h: Remove a reference to no longer used sections .text..refcount


On Tue, 11 Jul 2023 14:50:54 +0200, Petr Pavlu wrote:
> Sections .text..refcount were previously used to hold an error path code
> for fast refcount overflow protection on x86, see commit 7a46ec0e2f48
> ("locking/refcounts, x86/asm: Implement fast refcount overflow
> protection") and commit 564c9cc84e2a ("locking/refcounts, x86/asm: Use
> unique .text section for refcount exceptions").
> 
> The code was replaced and removed in commit fb041bb7c0a9
> ("locking/refcount: Consolidate implementations of refcount_t") and no
> sections .text..refcount are present since then.
> 
> [...]

Applied, thanks!

[1/1] vmlinux.lds.h: Remove a reference to no longer used sections .text..refcount
      https://git.kernel.org/kees/c/5fc522485598

Best regards,
-- 
Kees Cook