linux-kernel - Re: [PATCH v7 0/5] Warn on orphan section placement

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Date:   Fri, 4 Sep 2020 07:58:25 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>,
        Kees Cook <keescook@...omium.org>
Cc:     Kees Cook <keescook@...omium.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>,
        Masahiro Yamada <masahiroy@...nel.org>,
        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 v7 0/5] Warn on orphan section placement


* Nick Desaulniers <ndesaulniers@...gle.com> wrote:

> On Tue, Sep 1, 2020 at 7:53 PM Kees Cook <keescook@...omium.org> wrote:
> >
> > Hi Ingo,
> >
> > The ever-shortening series. ;) Here is "v7", which is just the remaining
> > Makefile changes to enable orphan section warnings, now updated to
> > include ld-option calls.
> >
> > Thanks for getting this all into -tip!
> 
> For the series,
> Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>
> 
> As the recent ppc vdso boogaloo exposed, what about the vdsos?
> * arch/x86/entry/vdso/Makefile
> * arch/arm/vdso/Makefile
> * arch/arm64/kernel/vdso/Makefile
> * arch/arm64/kernel/vdso32/Makefile

Kees, will these patches DTRT for the vDSO builds? I will be unable to test 
these patches on that old system until tomorrow the earliest.

I'm keeping these latest changes in WIP.core/build for now.

Thanks,

	Ingo