Hi Daniel,
Le 23/05/2019 à 07:21, Daniel Axtens a écrit :
Building on the work of Christophe, Aneesh and Balbir, I've ported
KASAN to Book3S radix.
It builds on top Christophe's work on 32bit, and includes my work for
64-bit Book3E (3S doesn't really depend on 3E, but it was handy to
have around when developing and debugging).
This provides full inline instrumentation on radix, but does require
that you be able to specify the amount of memory on the system at
compile time. More details in patch 7.
Regards,
Daniel
Daniel Axtens (7):
kasan: do not open-code addr_has_shadow
kasan: allow architectures to manage the memory-to-shadow mapping
kasan: allow architectures to provide an outline readiness check
powerpc: KASAN for 64bit Book3E
I see you are still hacking the core part of KASAN.
Did you have a look at my RFC patch
(https://patchwork.ozlabs.org/patch/1068260/) which demonstrate that
full KASAN can be implemented on book3E/64 without those hacks ?
Christophe
kasan: allow arches to provide their own early shadow setup
kasan: allow arches to hook into global registration
powerpc: Book3S 64-bit "heavyweight" KASAN support
arch/powerpc/Kconfig | 2 +
arch/powerpc/Kconfig.debug | 17 ++-
arch/powerpc/Makefile | 7 ++
arch/powerpc/include/asm/kasan.h | 116 +++++++++++++++++++
arch/powerpc/kernel/prom.c | 40 +++++++
arch/powerpc/mm/kasan/Makefile | 2 +
arch/powerpc/mm/kasan/kasan_init_book3e_64.c | 50 ++++++++
arch/powerpc/mm/kasan/kasan_init_book3s_64.c | 67 +++++++++++
arch/powerpc/mm/nohash/Makefile | 5 +
include/linux/kasan.h | 13 +++
mm/kasan/generic.c | 9 +-
mm/kasan/generic_report.c | 2 +-
mm/kasan/init.c | 10 ++
mm/kasan/kasan.h | 6 +-
mm/kasan/report.c | 6 +-
mm/kasan/tags.c | 3 +-
16 files changed, 345 insertions(+), 10 deletions(-)
create mode 100644 arch/powerpc/mm/kasan/kasan_init_book3e_64.c
create mode 100644 arch/powerpc/mm/kasan/kasan_init_book3s_64.c
