config: kernel: remove KASAN_EXTRA

The option has been removed from the kernel since 5.1.

Signed-off-by: Qingfang Deng <dqfext@gmail.com>

diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index 2d90abcfe84a0d12f6790c542b003399fa32a0d2..ddf81d67dabf46eef41fd26b08d14853b5758af0 100644 (file)
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -173,16 +173,6 @@ config KERNEL_KASAN
          Currently CONFIG_KASAN doesn't work with CONFIG_DEBUG_SLAB
          (the resulting kernel does not boot).
 
-config KERNEL_KASAN_EXTRA
-       bool "KAsan: extra checks"
-       depends on KERNEL_KASAN && KERNEL_DEBUG_KERNEL
-       help
-         This enables further checks in the kernel address sanitizer, for now
-         it only includes the address-use-after-scope check that can lead
-         to excessive kernel stack usage, frame size warnings and longer
-         compile time.
-         https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 has more
-
 config KERNEL_KASAN_VMALLOC
        bool "Back mappings in vmalloc space with real shadow memory"
        depends on KERNEL_KASAN