../net/core/netpoll.c:361:25: warning: context imbalance in '__netpoll_send_skb' - different lock contexts for basic block ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? ../net/core/netpoll.c:361:25: warning: context imbalance in '__netpoll_send_skb' - different lock contexts for basic block ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? ../net/core/netpoll.c:361:25: warning: context imbalance in '__netpoll_send_skb' - different lock contexts for basic block ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?