Messages in this thread | | | Subject | Re: [PATCH v3 1/3] kasan: define and use MAX_PTRS_PER_* for early shadow tables | From | Balbir Singh <> | Date | Sat, 14 Dec 2019 08:37:20 +1100 |
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On 13/12/19 2:16 am, Daniel Axtens wrote: > powerpc has a variable number of PTRS_PER_*, set at runtime based > on the MMU that the kernel is booted under. > > This means the PTRS_PER_* are no longer constants, and therefore > breaks the build. > > Define default MAX_PTRS_PER_*s in the same style as MAX_PTRS_PER_P4D. > As KASAN is the only user at the moment, just define them in the kasan > header, and have them default to PTRS_PER_* unless overridden in arch > code. > > Suggested-by: Christophe Leroy <christophe.leroy@c-s.fr> > Suggested-by: Balbir Singh <bsingharora@gmail.com> > Signed-off-by: Daniel Axtens <dja@axtens.net> > --- Reviewed-by: Balbir Singh <bsingharora@gmail.com>
Balbir
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