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authorVasily Gorbik <gor@linux.ibm.com>2019-08-02 12:42:59 +0200
committerVasily Gorbik <gor@linux.ibm.com>2019-12-11 19:56:59 +0100
commit3e39ce266a273e5751e5792aee248cb8d9630c8b (patch)
tree729b1ac0d497523ab830af0ac974126b1e68d0cf /arch/s390/Kconfig
parents390: remove last diag 0x44 caller (diff)
downloadlinux-dev-3e39ce266a273e5751e5792aee248cb8d9630c8b.tar.xz
linux-dev-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/Kconfig1
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