linux-kernel - Re: [PATCH v6 00/29] Warn on orphan section placement

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Message-ID: <CAKwvOdnDMvECAhKcTVEqcgM9QAUX05Gj27q7fZCbudANX-GWDg@mail.gmail.com>
Date:   Tue, 1 Sep 2020 16:54:08 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...e.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Mark Rutland <mark.rutland@....com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Peter Collingbourne <pcc@...gle.com>,
        James Morse <james.morse@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        Nathan Chancellor <natechancellor@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        linux-arch <linux-arch@...r.kernel.org>,
        linux-efi <linux-efi@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 00/29] Warn on orphan section placement

On Tue, Sep 1, 2020 at 4:18 PM Kees Cook <keescook@...omium.org> wrote:
>
> On Tue, Sep 01, 2020 at 11:02:02AM -0700, Nick Desaulniers wrote:
> > Uh oh, the ppc vdso uses cc-ldoption which was removed! (I think by
> > me; let me send patches)  How is that not an error?  Yes, guilty,
> > officer.
> > commit 055efab3120b ("kbuild: drop support for cc-ldoption").
> > Did I not know how to use grep, or?  No, it is
> > commit f2af201002a8 ("powerpc/build: vdso linker warning for orphan sections")
> > that is wrong.
>
> Eek, yeah, the vdso needs fixing; whoops. Lucky for my series, I only need
> ld-option! ;)
>

I didn't cc everyone here on that thread, but here's the series I sent
for it: https://lore.kernel.org/lkml/20200901222523.1941988-1-ndesaulniers@google.com/T/#u
.
-- 
Thanks,
~Nick Desaulniers