On Tue, Jun 7, 2016 at 11:07 AM, Heiko Carstens <[email protected]> wrote: > On Tue, Jun 07, 2016 at 08:49:14AM -0700, Kees Cook wrote: >> > Heiko Carstens (2): >> > vmlinux.lds.h: allow arch specific handling of ro_after_init data section >> > s390/mm: add proper __ro_after_init support >> > >> > arch/s390/include/asm/cache.h | 3 --- >> > arch/s390/include/asm/sections.h | 1 + >> > arch/s390/kernel/vmlinux.lds.S | 12 +++++++++++- >> > arch/s390/mm/init.c | 7 ++++--- >> > arch/s390/mm/vmem.c | 7 +++---- >> > include/asm-generic/vmlinux.lds.h | 10 +++++++++- >> > 6 files changed, 28 insertions(+), 12 deletions(-) >> >> Awesome! This looks great to me! Have you had a chance to look through >> any of the arch/s390/ __init code for variables that should be marked >> __ro_after_init? > > Not yet, and actually this I'm a bit reluctant to do that, since any wrong > annotation will lead to kernel crashes sooner or later ;) > However I'll look into this as well.
Yup, though the good news is it's usually discovered very quickly. :) >> Reviewed-by: Kees Cook <[email protected]> > > Thanks! I add that to both patches. > > (sorry for the broken threading; one of the outgoing mail servers rewrote > all Message-Id headers) Cool, no worries. I tried to reply to what looked like the right one. :) -Kees -- Kees Cook Chrome OS & Brillo Security

