tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files ../net/core/xdp.c:792:17: warning: symbol 'bpf_xdp_metadata_rx_timestamp' was not declared. Should it be static? ../net/core/xdp.c:814:17: warning: symbol 'bpf_xdp_metadata_rx_hash' was not declared. Should it be static? ../net/core/xdp.c:847:17: warning: symbol 'bpf_xdp_metadata_rx_vlan_tag' was not declared. Should it be static? WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files ../net/core/xdp.c:795:17: warning: symbol 'bpf_xdp_metadata_rx_timestamp' was not declared. Should it be static? ../net/core/xdp.c:817:17: warning: symbol 'bpf_xdp_metadata_rx_hash' was not declared. Should it be static? ../net/core/xdp.c:850:17: warning: symbol 'bpf_xdp_metadata_rx_vlan_tag' was not declared. Should it be static? WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?