Message ID | 20211115134848.171098-1-wangkefeng.wang@huawei.com (mailing list archive) |
---|---|
Headers | show |
Series | ARM: Support KFENCE feature | expand |
Hi Russell, Could I send this to ARM patch system if no more comments, what about your opinion, thanks. On 2021/11/15 21:48, Kefeng Wang wrote: > This patchset supports Kfence feature, tested the kfence_test on ARM QEMU > with or without ARM_LPAE and all passed. > > V2 Resend: > - adjust is_write_fault() position in patch2 not patch3, sugguested Alexander > - Add ACKed from Marco > - rebased on v5.16-rc1 > > V2: > - drop patch4 in v1, which is used a new way to skip kfence test > see commit c40c6e593bf9 ("kfence: test: fail fast if disabled at boot") > - fix some issue about NO MMU > - drop useless set_memory_valid() under no mmu > - fix implicit declaration of function ‘is_write_fault’ if no mmu > - make KFENCE depends on !XIP_KERNEL, no tested with xip > > v1: > https://lore.kernel.org/linux-arm-kernel/20210825092116.149975-1-wangkefeng.wang@huawei.com/ > > Kefeng Wang (3): > ARM: mm: Provide set_memory_valid() > ARM: mm: Provide is_write_fault() > ARM: Support KFENCE for ARM > > arch/arm/Kconfig | 1 + > arch/arm/include/asm/kfence.h | 53 +++++++++++++++++++++++++++++++ > arch/arm/include/asm/set_memory.h | 1 + > arch/arm/mm/fault.c | 16 ++++++++-- > arch/arm/mm/pageattr.c | 42 ++++++++++++++++++------ > 5 files changed, 100 insertions(+), 13 deletions(-) > create mode 100644 arch/arm/include/asm/kfence.h >