arch/x86/include/asm/efi.h: fix build failure
With KMEMCHECK=y, KASAN=n: arch/x86/platform/efi/efi.c:673:3: error: implicit declaration of function `memcpy' [-Werror=implicit-function-declaration] arch/x86/platform/efi/efi_64.c:139:2: error: implicit declaration of function `memcpy' [-Werror=implicit-function-declaration] arch/x86/include/asm/desc.h:121:2: error: implicit declaration of function `memcpy' [-Werror=implicit-function-declaration] Don't #undef memcpy if KASAN=n. Fixes: 769a8089 ("x86, efi, kasan: #undef memset/memcpy/memmove per arch") Signed-off-by: NAndrey Ryabinin <ryabinin.a.a@gmail.com> Reported-by: NIngo Molnar <mingo@kernel.org> Reported-by: NSedat Dilek <sedat.dilek@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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