Re: [PATCH v2 00/29] vmlinux.lds.h: Refactor EXCEPTION_TABLE and NOTES

From: Heiko Carstens
Date: Wed Oct 16 2019 - 04:28:46 EST


On Thu, Oct 10, 2019 at 05:05:40PM -0700, Kees Cook wrote:
> Arch maintainers: please send Acks (if you haven't already) for your
> respective linker script changes; the intention is for this series to
> land via -tip.
>
> v1: https://lore.kernel.org/lkml/20190926175602.33098-1-keescook@xxxxxxxxxxxx
> v2: clean up commit messages, rename RO_EXCEPTION_TABLE (bp)
>
>
> This series works to move the linker sections for NOTES and
> EXCEPTION_TABLE into the RO_DATA area, where they belong on most
> (all?) architectures. The problem being addressed was the discovery
> by Rick Edgecombe that the exception table was accidentally marked
> executable while he was developing his execute-only-memory series. When
> permissions were flipped from readable-and-executable to only-executable,
> the exception table became unreadable, causing things to explode rather
> badly. :)

Feel free to add
Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
to every patch in this series which touches s390.