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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/20210107075315.3482-1-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 <aryabinin@virtuozzo.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 5618a011bf808f1a09bda8a171af2589414fef47 https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm) (cherry picked from commit 1c35fa55654de4bbf1c140f7cc08d51dcce4dcfa https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm) (backport: adjacent lines changed, no real conflict) Bug: 172318110 Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Change-Id: I19e2e74cd1d3e0083f6f1f2c15de8d7220ebd949