Buildresult: kbuild/powernv_defconfig+NO_PERF/powerpc-gcc5 built on Jul 30 2019, 04:52
kisskb
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Status:
OK
Date/Time:
Jul 30 2019, 04:52
Duration:
0:01:37.746384
Builder:
ka4
Revision:
modpost: check for static EXPORT_SYMBOL* functions (
1a288d0d920dfb9747bbefc8d601a971885f470f)
Target:
kbuild/powernv_defconfig+NO_PERF/powerpc-gcc5
Branch:
kbuild
Compiler:
powerpc-gcc5
(powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:
powernv_defconfig+NO_PERF
(
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Log:
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Possible warnings (12)
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] WARNING: vmlinux.o(.text+0x2fd0): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel() WARNING: "drm_client_close" [vmlinux] is the static EXPORT_SYMBOL WARNING: "ahci_em_messages" [vmlinux] is the static EXPORT_SYMBOL_GPL WARNING: "ftrace_set_clr_event" [vmlinux] is the static EXPORT_SYMBOL_GPL WARNING: "empty_zero_page" [vmlinux] is the static EXPORT_SYMBOL WARNING: "jiffies" [vmlinux] is the static EXPORT_SYMBOL WARNING: "drm_client_close" [vmlinux] is the static EXPORT_SYMBOL WARNING: "ahci_em_messages" [vmlinux] is the static EXPORT_SYMBOL_GPL WARNING: "ftrace_set_clr_event" [vmlinux] is the static EXPORT_SYMBOL_GPL WARNING: "empty_zero_page" [vmlinux] is the static EXPORT_SYMBOL
Full Log
# git rev-parse -q --verify 1a288d0d920dfb9747bbefc8d601a971885f470f^{commit} 1a288d0d920dfb9747bbefc8d601a971885f470f already have revision, skipping fetch # git checkout -q -f -B kisskb 1a288d0d920dfb9747bbefc8d601a971885f470f # git clean -qxdf # < git log -1 # commit 1a288d0d920dfb9747bbefc8d601a971885f470f # Author: Denis Efremov <efremov@linux.com> # 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 <emil.l.velikov@gmail.com> # Signed-off-by: Denis Efremov <efremov@linux.com> # Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 1a288d0d920dfb9747bbefc8d601a971885f470f # < make -s -j 120 ARCH=powerpc O=/kisskb/build/kbuild_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- powernv_defconfig # Added to kconfig CONFIG_PERF_EVENTS=n # yes \n | make -s -j 120 ARCH=powerpc O=/kisskb/build/kbuild_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 120 ARCH=powerpc O=/kisskb/build/kbuild_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] return oldval == cmparg; ^ /kisskb/src/kernel/futex.c:1651:6: note: 'oldval' was declared here int oldval, ret; ^ WARNING: vmlinux.o(.text+0x2fd0): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel() The function start_here_common() references the function __init start_kernel(). This is often because start_here_common lacks a __init annotation or the annotation of start_kernel is wrong. WARNING: "drm_client_close" [vmlinux] is the static EXPORT_SYMBOL WARNING: "ahci_em_messages" [vmlinux] is the static EXPORT_SYMBOL_GPL WARNING: "ftrace_set_clr_event" [vmlinux] is the static EXPORT_SYMBOL_GPL WARNING: "empty_zero_page" [vmlinux] is the static EXPORT_SYMBOL WARNING: "jiffies" [vmlinux] is the static EXPORT_SYMBOL WARNING: "drm_client_close" [vmlinux] is the static EXPORT_SYMBOL WARNING: "ahci_em_messages" [vmlinux] is the static EXPORT_SYMBOL_GPL WARNING: "ftrace_set_clr_event" [vmlinux] is the static EXPORT_SYMBOL_GPL WARNING: "empty_zero_page" [vmlinux] is the static EXPORT_SYMBOL Completed OK # rm -rf /kisskb/build/kbuild_powernv_defconfig+NO_PERF_ppc64le-gcc5 # Build took: 0:01:37.746384
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