# git rev-parse -q --verify 8f8972a3127ff46df62ae30057d29606968ec4aa^{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 8f8972a3127ff46df62ae30057d29606968ec4aa^{commit}
8f8972a3127ff46df62ae30057d29606968ec4aa
# git checkout -q -f -B kisskb 8f8972a3127ff46df62ae30057d29606968ec4aa
# git clean -qxdf
# < git log -1
# commit 8f8972a3127ff46df62ae30057d29606968ec4aa
# Merge: 244dc2689085 d70486668cdf
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Jan 18 16:34:17 2020 -0800
# 
#     Merge tag 'mtd/fixes-for-5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
#     
#     Pull MTD fixes from Miquel Raynal:
#      "Raw NAND:
#        - GPMI: Fix the suspend/resume
#     
#       SPI-NOR:
#        - Fix quad enable on Spansion like flashes
#        - Fix selection of 4-byte addressing opcodes on Spansion"
#     
#     * tag 'mtd/fixes-for-5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
#       mtd: rawnand: gpmi: Restore nfc timing setup after suspend/resume
#       mtd: rawnand: gpmi: Fix suspend/resume problem
#       mtd: spi-nor: Fix quad enable for Spansion like flashes
#       mtd: spi-nor: Fix selection of 4-byte addressing opcodes on Spansion
# < /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 8f8972a3127ff46df62ae30057d29606968ec4aa
# < make -s -j 32 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=0xC08A5E64
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# yes \n | make -s -j 32 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 32 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-  
Failed to generate BTF for vmlinux
Try to disable CONFIG_DEBUG_INFO_BTF
make[1]: *** [/kisskb/src/Makefile:1078: vmlinux] Error 1
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 32 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: 0:07:41.770224