From: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Subject: kasan, arm64: select HAVE_ARCH_KASAN_SW_TAGS Now, that all the necessary infrastructure code has been introduced, select HAVE_ARCH_KASAN_SW_TAGS for arm64 to enable software tag-based KASAN mode. Link: http://lkml.kernel.org/r/25abce9a21d0c1df2d9d72488aced418c3465d7b.1544099024.git.andreyknvl@xxxxxxxxxx Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Acked-by: Will Deacon <will.deacon@xxxxxxx> Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx> Cc: Christoph Lameter <cl@xxxxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- --- a/arch/arm64/Kconfig~kasan-arm64-select-have_arch_kasan_sw_tags +++ a/arch/arm64/Kconfig @@ -111,6 +111,7 @@ config ARM64 select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL_RELATIVE select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48) + select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT _
