Messages in this thread | | | Subject | Re: [PATCH v3 1/3] kasan: define and use MAX_PTRS_PER_* for early shadow tables | From | Christophe Leroy <> | Date | Thu, 12 Dec 2019 16:55:12 +0100 |
| |
Le 12/12/2019 à 16:16, Daniel Axtens a écrit : > 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: Christophe Leroy <christophe.leroy@c-s.fr>
> --- > include/linux/kasan.h | 18 +++++++++++++++--- > mm/kasan/init.c | 6 +++--- > 2 files changed, 18 insertions(+), 6 deletions(-) >
Christophe
| |