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CONFIG_KASAN_STACK and CONFIG_KASAN_STACK_ENABLE both enable KASAN stack instrumentation, but we should only need one config, so that we remove CONFIG_KASAN_STACK_ENABLE and make CONFIG_KASAN_STACK workable. see [1]. When enable KASAN stack instrumentation, then for gcc we could do no prompt and default value y, and for clang prompt and default value n. [1]: https://bugzilla.kernel.org/show_bug.cgi?id=210221 Link: https://lkml.kernel.org/r/20210226012531.29231-1-walter-zh.wu@mediatek.com Signed-off-by: Walter Wu <walter-zh.wu@mediatek.com> Suggested-by: Dmitry Vyukov <dvyukov@google.com> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Andrey Konovalov <andreyknvl@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Alexander Potapenko <glider@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> (cherry picked from commit 3bc29a8e251a9469ce69e62118d70eaf0caa5acb https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm) (cherry picked from commit 0d9e60b66271414a18a1d4f1fe2c923245f1e3a8 https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm) [glider: resolved a minor merge conflict, squashed two patches together] Bug: 182930667 Signed-off-by: Alexander Potapenko <glider@google.com> Change-Id: I1b3d2cdcf45727a25d36ac7f417a4f026152d6a8