The usage of cpu_relax() requires vdso/processor.h. Currently this header is included transitively, but that transitive inclusion is about to go away.
Explicitly include the header.
Signed-off-by: Thomas Weißschuh thomas.weissschuh@linutronix.de Tested-by: Andreas Larsson andreas@gaisler.com Reviewed-by: Andreas Larsson andreas@gaisler.com --- include/vdso/helpers.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/vdso/helpers.h b/include/vdso/helpers.h index 1a5ee9d9052c38553c0cdf413e0030286f884d53..a1c995af4696351e55cd870c7c4211b0984fe9ab 100644 --- a/include/vdso/helpers.h +++ b/include/vdso/helpers.h @@ -6,6 +6,7 @@
#include <asm/barrier.h> #include <vdso/datapage.h> +#include <vdso/processor.h>
static __always_inline u32 vdso_read_begin(const struct vdso_clock *vc) {