linux-kernel - Re: [PATCH v9 06/16] kbuild: lto: add a default list of used symbols

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Message-ID: <CAKwvOdnBQiUeXCH9U9Cc3_4-UtC+jepV_-yD6usJRSMYjpNFrQ@mail.gmail.com>
Date:   Fri, 11 Dec 2020 11:45:30 -0800
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Sami Tolvanen <samitolvanen@...gle.com>
Cc:     Kees Cook <keescook@...omium.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Will Deacon <will@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>,
        linux-arch <linux-arch@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kbuild <linux-kbuild@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        PCI <linux-pci@...r.kernel.org>
Subject: Re: [PATCH v9 06/16] kbuild: lto: add a default list of used symbols

On Fri, Dec 11, 2020 at 11:40 AM Sami Tolvanen <samitolvanen@...gle.com> wrote:
>
> On Fri, Dec 11, 2020 at 11:32 AM Kees Cook <keescook@...omium.org> wrote:
> >
> > On Fri, Dec 11, 2020 at 10:46:23AM -0800, Sami Tolvanen wrote:
> > > --- /dev/null
> > > +++ b/scripts/lto-used-symbollist
> > > @@ -0,0 +1,5 @@
> > > +memcpy
> > > +memmove
> > > +memset
> > > +__stack_chk_fail
> > > +__stack_chk_guard
> > > --
> > > 2.29.2.576.ga3fc446d84-goog
> > >
> >
> > bikeshed: Should this filename use some kind of extension, like
> > lto-user-symbols.txt or .list, to make it more human-friendly?
>
> Sure, I can rename this in the next version. Does anyone have strong
> opinions about the name and/or extension?

.txt extension would be fine.

-- 
Thanks,
~Nick Desaulniers