../net/netfilter/nf_tables_api.c:2015:25: warning: cast between address spaces (__percpu -> __rcu)
../net/netfilter/nf_tables_api.c:2015:25: error: incompatible types in comparison expression (different address spaces):
../net/netfilter/nf_tables_api.c:2015:25:    struct nft_stats [noderef] __rcu *
../net/netfilter/nf_tables_api.c:2015:25:    struct nft_stats [noderef] __percpu *
../net/netfilter/nf_tables_api.c:2217:17: warning: cast between address spaces (__percpu -> __rcu)
../net/netfilter/nf_tables_api.c:2217:17: error: incompatible types in comparison expression (different address spaces):
../net/netfilter/nf_tables_api.c:2217:17:    struct nft_stats [noderef] __rcu *
../net/netfilter/nf_tables_api.c:2217:17:    struct nft_stats [noderef] __percpu *
../net/netfilter/nf_tables_api.c:2217:17: error: incompatible types in comparison expression (different address spaces):
../net/netfilter/nf_tables_api.c:2217:17:    struct nft_stats [noderef] __rcu *
../net/netfilter/nf_tables_api.c:2217:17:    struct nft_stats [noderef] __percpu *
../net/netfilter/nf_tables_api.c:2260:21: warning: cast between address spaces (__percpu -> __rcu)
../net/netfilter/nf_tables_api.c:2260:21: error: incompatible types in comparison expression (different address spaces):
../net/netfilter/nf_tables_api.c:2260:21:    struct nft_stats [noderef] __rcu *
../net/netfilter/nf_tables_api.c:2260:21:    struct nft_stats [noderef] __percpu *
../net/netfilter/nf_tables_api.c:2646:25: warning: cast between address spaces (__percpu -> __rcu)
../net/netfilter/nf_tables_api.c:2646:25: error: incompatible types in comparison expression (different address spaces):
../net/netfilter/nf_tables_api.c:2646:25:    struct nft_stats [noderef] __rcu *
../net/netfilter/nf_tables_api.c:2646:25:    struct nft_stats [noderef] __percpu *
../net/netfilter/nf_tables_api.c: note: in included file (through ../include/linux/rbtree.h, ../include/linux/mm_types.h, ../include/linux/mmzone.h, ../include/linux/gfp.h, ../include/linux/umh.h, ../include/linux/kmod.h, ...):
../include/linux/rcupdate.h:871:25: warning: context imbalance in 'nft_netlink_dump_start_rcu' - unexpected unlock
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?