# git rev-parse -q --verify 19c329f6808995b142b3966301f217c831e7cf31^{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 19c329f6808995b142b3966301f217c831e7cf31^{commit}
19c329f6808995b142b3966301f217c831e7cf31
# git checkout -q -f -B kisskb 19c329f6808995b142b3966301f217c831e7cf31
# git clean -qxdf
# < git log -1
# commit 19c329f6808995b142b3966301f217c831e7cf31
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Jan 17 16:37:05 2021 -0800
# 
#     Linux 5.11-rc4
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 19c329f6808995b142b3966301f217c831e7cf31
# < make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  randconfig
KCONFIG_SEED=0xA1CA0546
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  help
# make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  olddefconfig
# make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
In file included from /kisskb/src/drivers/dma/qcom/gpi.c:8:
In function 'field_multiplier',
    inlined from 'gpi_update_reg.isra.10' at /kisskb/src/include/linux/bitfield.h:124:17:
/kisskb/src/include/linux/bitfield.h:119:3: error: call to '__bad_mask' declared with attribute error: bad bitfield mask
   __bad_mask();
   ^~~~~~~~~~~~
In function 'field_multiplier',
    inlined from 'gpi_update_reg.isra.10' at /kisskb/src/include/linux/bitfield.h:154:1:
/kisskb/src/include/linux/bitfield.h:119:3: error: call to '__bad_mask' declared with attribute error: bad bitfield mask
   __bad_mask();
   ^~~~~~~~~~~~
make[4]: *** [/kisskb/src/scripts/Makefile.build:279: drivers/dma/qcom/gpi.o] Error 1
make[3]: *** [/kisskb/src/scripts/Makefile.build:496: drivers/dma/qcom] Error 2
make[2]: *** [/kisskb/src/scripts/Makefile.build:496: drivers/dma] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1805: drivers] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:185: __sub-make] Error 2
Command 'make -s -j 10 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:04:48.050076