# git rev-parse -q --verify b2ad81363f12261f8b6a97ed7723960ea6450f31^{commit}
b2ad81363f12261f8b6a97ed7723960ea6450f31
already have revision, skipping fetch
# git checkout -q -f -B kisskb b2ad81363f12261f8b6a97ed7723960ea6450f31
# git clean -qxdf
# < git log -1
# commit b2ad81363f12261f8b6a97ed7723960ea6450f31
# Merge: a2c48d98fc07 52f476a323f9
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat May 25 10:11:23 2019 -0700
# 
#     Merge tag 'libnvdimm-fixes-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
#     
#     Pull libnvdimm fixes from Dan Williams:
#     
#      - Fix a regression that disabled device-mapper dax support
#     
#      - Remove unnecessary hardened-user-copy overhead (>30%) for dax
#        read(2)/write(2).
#     
#      - Fix some compilation warnings.
#     
#     * tag 'libnvdimm-fixes-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
#       libnvdimm/pmem: Bypass CONFIG_HARDENED_USERCOPY overhead
#       dax: Arrange for dax_supported check to span multiple devices
#       libnvdimm: Fix compilation warnings with W=1
# < /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 b2ad81363f12261f8b6a97ed7723960ea6450f31
# < make -s -j 48 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=0x1AD44762
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# yes \n | make -s -j 48 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 48 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
ERROR: "uio_unregister_device" [drivers/staging/kpc2000/kpc2000/kpc2000.ko] undefined!
ERROR: "__uio_register_device" [drivers/staging/kpc2000/kpc2000/kpc2000.ko] undefined!
make[2]: *** [/kisskb/src/scripts/Makefile.modpost:91: __modpost] Error 1
make[1]: *** [/kisskb/src/Makefile:1290: modules] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 48 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-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4
# Build took: 0:07:00.364837