Buildresult: linus-rand/arm64-randconfig/arm64-gcc5 built on Jul 11 2019, 17:45
kisskb
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Status:
OK
Date/Time:
Jul 11 2019, 17:45
Duration:
0:10:17.463553
Builder:
ka2
Revision:
Merge tag 'pidfd-updates-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux (
5450e8a316a64cddcbc15f90733ebc78aa736545)
Target:
linus-rand/arm64-randconfig/arm64-gcc5
Branch:
linus-rand
Compiler:
arm64-gcc5
(aarch64-linux-gcc.br_real (Buildroot 2016.11-git-00613-ge98b4dd) 5.4.0 / GNU ld (GNU Binutils) 2.25.1)
Config:
randconfig
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Log:
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Possible warnings (5)
warning: The last gc run reported the following. Please correct the root cause warning: There are too many unreachable loose objects; run 'git prune' to remove them. WARNING: EXPORT symbol "kernel_neon_begin" [vmlinux] version generation failed, symbol will not be versioned. WARNING: EXPORT symbol "kernel_neon_begin" [vmlinux] version generation failed, symbol will not be versioned. WARNING: EXPORT symbol "kernel_neon_begin" [vmlinux] version generation failed, symbol will not be versioned.
Full Log
# git rev-parse -q --verify 5450e8a316a64cddcbc15f90733ebc78aa736545^{commit} # git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master warning: The last gc run reported the following. Please correct the root cause and remove .git/gc.log. Automatic cleanup will not be performed until the file is removed. warning: There are too many unreachable loose objects; run 'git prune' to remove them. # git rev-parse -q --verify 5450e8a316a64cddcbc15f90733ebc78aa736545^{commit} 5450e8a316a64cddcbc15f90733ebc78aa736545 # git checkout -q -f -B kisskb 5450e8a316a64cddcbc15f90733ebc78aa736545 # git clean -qxdf # < git log -1 # commit 5450e8a316a64cddcbc15f90733ebc78aa736545 # Merge: 29cd581b5949 172bb24a4f48 # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Wed Jul 10 22:17:21 2019 -0700 # # Merge tag 'pidfd-updates-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux # # Pull pidfd updates from Christian Brauner: # "This adds two main features. # # - First, it adds polling support for pidfds. This allows process # managers to know when a (non-parent) process dies in a race-free # way. # # The notification mechanism used follows the same logic that is # currently used when the parent of a task is notified of a child's # death. With this patchset it is possible to put pidfds in an # {e}poll loop and get reliable notifications for process (i.e. # thread-group) exit. # # - The second feature compliments the first one by making it possible # to retrieve pollable pidfds for processes that were not created # using CLONE_PIDFD. # # A lot of processes get created with traditional PID-based calls # such as fork() or clone() (without CLONE_PIDFD). For these # processes a caller can currently not create a pollable pidfd. This # is a problem for Android's low memory killer (LMK) and service # managers such as systemd. # # Both patchsets are accompanied by selftests. # # It's perhaps worth noting that the work done so far and the work done # in this branch for pidfd_open() and polling support do already see # some adoption: # # - Android is in the process of backporting this work to all their LTS # kernels [1] # # - Service managers make use of pidfd_send_signal but will need to # wait until we enable waiting on pidfds for full adoption. # # - And projects I maintain make use of both pidfd_send_signal and # CLONE_PIDFD [2] and will use polling support and pidfd_open() too" # # [1] https://android-review.googlesource.com/q/topic:%22pidfd+polling+support+4.9+backport%22 # https://android-review.googlesource.com/q/topic:%22pidfd+polling+support+4.14+backport%22 # https://android-review.googlesource.com/q/topic:%22pidfd+polling+support+4.19+backport%22 # # [2] https://github.com/lxc/lxc/blob/aab6e3eb73c343231cdde775db938994fc6f2803/src/lxc/start.c#L1753 # # * tag 'pidfd-updates-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: # tests: add pidfd_open() tests # arch: wire-up pidfd_open() # pid: add pidfd_open() # pidfd: add polling selftests # pidfd: add polling support # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version # < git log --format=%s --max-count=1 5450e8a316a64cddcbc15f90733ebc78aa736545 # < make -s -j 8 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- randconfig KCONFIG_SEED=0x4F284C68 # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # yes \n | make -s -j 8 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 8 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum WARNING: EXPORT symbol "kernel_neon_begin" [vmlinux] version generation failed, symbol will not be versioned. WARNING: EXPORT symbol "kernel_neon_begin" [vmlinux] version generation failed, symbol will not be versioned. WARNING: EXPORT symbol "kernel_neon_begin" [vmlinux] version generation failed, symbol will not be versioned. Completed OK # rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 # Build took: 0:10:17.463553
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