qrwlock.c calls arch_spin_lock() and arch_spin_unlock() but doesn't include the asm/spinlock.h, where those functions are defined. It may produce "implicit declaration of function" errors. This patch fixes it. Signed-off-by: Yury Norov <ynorov@xxxxxxxxxxxxxxxxxx> --- kernel/locking/qrwlock.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/locking/qrwlock.c b/kernel/locking/qrwlock.c index cc3ed0c..6fb4292 100644 --- a/kernel/locking/qrwlock.c +++ b/kernel/locking/qrwlock.c @@ -20,6 +20,7 @@ #include <linux/cpumask.h> #include <linux/percpu.h> #include <linux/hardirq.h> +#include <asm/spinlock.h> #include <asm/qrwlock.h> /* -- 2.7.4
