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| author | Vasily Gorbik <gor@linux.ibm.com> | 2019-08-02 12:42:59 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2019-12-11 19:56:59 +0100 |
| commit | 3e39ce266a273e5751e5792aee248cb8d9630c8b (patch) | |
| tree | 729b1ac0d497523ab830af0ac974126b1e68d0cf /arch/s390/Kconfig | |
| parent | 1b68ac8678a8e9993deebd55014cbe803e78ca02 (diff) | |
| download | linux-3e39ce266a273e5751e5792aee248cb8d9630c8b.tar.gz linux-3e39ce266a273e5751e5792aee248cb8d9630c8b.tar.bz2 linux-3e39ce266a273e5751e5792aee248cb8d9630c8b.zip | |
s390/kasan: add KASAN_VMALLOC support
Add KASAN_VMALLOC support which now enables vmalloc memory area access
checks as well as enables usage of VMAP_STACK under kasan.
KASAN_VMALLOC changes the way vmalloc and modules areas shadow memory
is handled. With this new approach only top level page tables are
pre-populated and lower levels are filled dynamically upon memory
allocation.
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index d4051e88e625..bc88841d335d 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -124,6 +124,7 @@ config S390 select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL_RELATIVE select HAVE_ARCH_KASAN + select HAVE_ARCH_KASAN_VMALLOC select CPU_NO_EFFICIENT_FFS if !HAVE_MARCH_Z9_109_FEATURES select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_SOFT_DIRTY |