linux-kernel - Re: [PATCH v2] x86/purgatory: Remove LTO flags

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Message-ID: <CAPhsuW5niOZwfc=aZcHNeWMU8OJnf9pcOgyXZpm289dQXfmOUA@mail.gmail.com>
Date:   Thu, 14 Sep 2023 10:02:38 -0700
From:   Song Liu <song@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     linux-kernel@...r.kernel.org,
        Ricardo Ribalda <ribalda@...omium.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        kexec@...ts.infradead.org, x86@...nel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH v2] x86/purgatory: Remove LTO flags

On Thu, Sep 14, 2023 at 9:34 AM Nick Desaulniers
<ndesaulniers@...gle.com> wrote:
>
> On Thu, Sep 14, 2023 at 9:31 AM Song Liu <song@...nel.org> wrote:
> >
> > What would be the next step for this work? We hope to back port it
> > to our production kernel soon.
>
> Please send a v3 with the fixes tag updated.  I wouldn't mind if you
> added a comment to the commit message to the effect of:
>
> We could also add the use of an explicit linker script to rejoin
> .text.* sections back into .text.  Simply disable the production of
> more .text.* sections for now; -flto* implies -ffunction-sections.

Got it. I just sent v3 with these changes.

Thanks,
Song