# git gc # git rev-parse -q --verify 1a288d0d920dfb9747bbefc8d601a971885f470f^{commit} # git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-kbuild.git for-next # git rev-parse -q --verify 1a288d0d920dfb9747bbefc8d601a971885f470f^{commit} 1a288d0d920dfb9747bbefc8d601a971885f470f # git checkout -q -f -B kisskb 1a288d0d920dfb9747bbefc8d601a971885f470f # git clean -qxdf # < git log -1 # commit 1a288d0d920dfb9747bbefc8d601a971885f470f # Author: Denis Efremov # Date: Sun Jul 28 13:09:06 2019 +0300 # # modpost: check for static EXPORT_SYMBOL* functions # # This patch adds a check to warn about static EXPORT_SYMBOL* functions # during the modpost. In most of the cases, a static symbol marked for # exporting is an odd combination that should be fixed either by deleting # the exporting mark or by removing the static attribute and adding the # appropriate declaration to headers. # # This check could help to detect the following problems: # 1. 550113d4e9f5 ("i2c: add newly exported functions to the header, too") # 2. 54638c6eaf44 ("net: phy: make exported variables non-static") # 3. 98ef2046f28b ("mm: remove the exporting of totalram_pages") # 4. 73df167c819e ("s390/zcrypt: remove the exporting of ap_query_configuration") # 5. a57caf8c527f ("sunrpc/cache: remove the exporting of cache_seq_next") # 6. e4e4730698c9 ("crypto: skcipher - remove the exporting of skcipher_walk_next") # 7. 14b4c48bb1ce ("gve: Remove the exporting of gve_probe") # 8. 9b79ee9773a8 ("scsi: libsas: remove the exporting of sas_wait_eh") # 9. ... # # Build time impact, allmodconfig, Dell XPS 15 9570 (measurements 3x): # $ make mrproper; make allmodconfig; time make -j12; \ # git checkout HEAD~1; \ # make mrproper; make allmodconfig; time make -j12 # 1. # (with patch) 17635,94s user 1895,54s system 1085% cpu 29:59,22 total # (w/o patch) 17275,42s user 1803,87s system 1112% cpu 28:35,66 total # 2. # (with patch) 17369,51s user 1763,28s system 1111% cpu 28:41,47 total # (w/o patch) 16880,50s user 1670,93s system 1113% cpu 27:46,56 total # 3. # (with patch) 17937,88s user 1842,53s system 1109% cpu 29:42,26 total # (w/o patch) 17267,55s user 1725,09s system 1111% cpu 28:28,17 total # # Thus, the current implementation adds approx. 1 min for allmodconfig. # # Acked-by: Emil Velikov # Signed-off-by: Denis Efremov # Signed-off-by: Masahiro Yamada # < /opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux-ld --version # < git log --format=%s --max-count=1 1a288d0d920dfb9747bbefc8d601a971885f470f # < make -s -j 48 ARCH=m68k O=/kisskb/build/kbuild_m68k-defconfig_m68k CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux- defconfig # make -s -j 48 ARCH=m68k O=/kisskb/build/kbuild_m68k-defconfig_m68k CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/m68k-linux/bin/m68k-linux- :1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] /kisskb/src/arch/m68k/mvme147/config.c: In function 'mvme147_hwclk': /kisskb/src/arch/m68k/mvme147/config.c:175:2: warning: #warning check me! [-Wcpp] /kisskb/src/arch/m68k/mvme16x/config.c: In function 'mvme16x_hwclk': /kisskb/src/arch/m68k/mvme16x/config.c:440:2: warning: #warning check me! [-Wcpp] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1712:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/cifs/smb2pdu.c: In function 'SMB2_ioctl_init': /kisskb/src/fs/cifs/smb2pdu.c:2671:19: warning: 'in_data_buf' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:157:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/acct.c: In function 'acct_pin_kill': /kisskb/src/kernel/acct.c:177:2: warning: value computed is not used [-Wunused-value] /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:336:12: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3407:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/alloc.c: In function 'ocfs2_trim_mainbm': /kisskb/src/fs/ocfs2/alloc.c:7590:17: warning: 'first_bit' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/file.c: In function 'ocfs2_file_write_iter': /kisskb/src/fs/ocfs2/file.c:2372:3: warning: value computed is not used [-Wunused-value] /kisskb/src/drivers/md/raid10.c: In function 'read_balance': /kisskb/src/drivers/md/raid10.c:840:22: warning: 'best_pending_slot' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/filter.c: In function 'bpf_clear_redirect_map': /kisskb/src/net/core/filter.c:3599:4: warning: value computed is not used [-Wunused-value] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:201:12: warning: '__ei_open' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:230:12: warning: '__ei_close' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:254:13: warning: '__ei_tx_timeout' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:300:20: warning: '__ei_start_xmit' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:509:13: warning: '__ei_poll' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:850:33: warning: '__ei_get_stats' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:950:13: warning: '__ei_set_multicast_list' defined but not used [-Wunused-function] /kisskb/src/drivers/net/ethernet/8390/lib8390.c:988:27: warning: '____alloc_ei_netdev' defined but not used [-Wunused-function] /kisskb/src/fs/posix_acl.c: In function 'get_acl': /kisskb/src/fs/posix_acl.c:148:3: warning: value computed is not used [-Wunused-value] /kisskb/src/drivers/net/macsec.c: In function 'macsec_del_rxsa': /kisskb/src/drivers/net/macsec.c:1918:2: warning: 'assoc_num' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:1918:2: warning: 'rx_sc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c: In function 'macsec_del_txsa': /kisskb/src/drivers/net/macsec.c:1995:2: warning: 'assoc_num' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:1995:2: warning: 'tx_sc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c: In function 'macsec_upd_txsa': /kisskb/src/drivers/net/macsec.c:2060:5: warning: 'assoc_num' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:2060:24: warning: 'tx_sc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/macsec.c:2061:21: warning: 'secy' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/include/linux/rhashtable.h:110:10: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:222:28: note: 'next' was declared here /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1831:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1524:31: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1744:46: note: 'linear' was declared here /kisskb/src/net/sctp/output.c: In function 'sctp_packet_config': /kisskb/src/include/net/sock.h:1960:19: warning: 'sk' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/sctp/output.c:79:15: note: 'sk' was declared here WARNING: "jiffies" [vmlinux] is the static EXPORT_SYMBOL WARNING: "nf_call" [vmlinux] is the static EXPORT_SYMBOL_GPL WARNING: "LZ4HC_setExternalDict" [lib/lz4/lz4hc_compress] is the static EXPORT_SYMBOL WARNING: "jiffies" [vmlinux] is the static EXPORT_SYMBOL WARNING: "nf_call" [vmlinux] is the static EXPORT_SYMBOL_GPL Completed OK # rm -rf /kisskb/build/kbuild_m68k-defconfig_m68k # Build took: 0:06:41.069226