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SubjectRe: [PATCH v7 0/5] Warn on orphan section placement

* Kees Cook <keescook@chromium.org> wrote:

> On Fri, Sep 04, 2020 at 07:58:25AM +0200, Ingo Molnar wrote:
> >
> > * Nick Desaulniers <ndesaulniers@google.com> wrote:
> >
> > > On Tue, Sep 1, 2020 at 7:53 PM Kees Cook <keescook@chromium.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@google.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 would like to see VDSO done next, but it's entirely separate from
> this series. This series only touches the core kernel build (i.e. via the
> interactions with scripts/link-vmlinux.sh) or the boot stubs. So there
> is no impact on VDSO linking.

Great!

I also double checked that things still build fine with ancient LD.

> > I'm keeping these latest changes in WIP.core/build for now.
>
> They should be safe to land in -next, which is important so we can shake
> out any other sneaky sections that all our existing testing hasn't
> found. :)

OK, cool - I've graduated them over into tip:core/build. :-)

Thanks,

Ingo

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