From: Arnd Bergmann <arnd@xxxxxxxx> __vdso_getcpu is declared in a header but this is not included before the definition, causing a W=1 warning: arch/x86/entry/vdso/vgetcpu.c:13:1: error: no previous prototype for '__vdso_getcpu' [-Werror=missing-prototypes] arch/x86/entry/vdso/vdso32/../vgetcpu.c:13:1: error: no previous prototype for '__vdso_getcpu' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- arch/x86/entry/vdso/vgetcpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/entry/vdso/vgetcpu.c b/arch/x86/entry/vdso/vgetcpu.c index 0a9007c24056..e4640306b2e3 100644 --- a/arch/x86/entry/vdso/vgetcpu.c +++ b/arch/x86/entry/vdso/vgetcpu.c @@ -8,6 +8,7 @@ #include <linux/kernel.h> #include <linux/getcpu.h> #include <asm/segment.h> +#include <vdso/processor.h> notrace long __vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused) -- 2.39.2