# git rev-parse -q --verify 687dec9b94599b19e218f89fd034d6449c3ff57c^{commit}
687dec9b94599b19e218f89fd034d6449c3ff57c
already have revision, skipping fetch
# git checkout -q -f -B kisskb 687dec9b94599b19e218f89fd034d6449c3ff57c
# git clean -qxdf
# < git log -1
# commit 687dec9b94599b19e218f89fd034d6449c3ff57c
# Merge: 6674fdb25a9e ffafde478309
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Dec 11 12:25:32 2019 -0800
# 
#     Merge tag 'erofs-for-5.5-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
#     
#     Pull erofs fixes from Gao Xiang:
#      "Mainly address a regression reported by David recently observed
#       together with overlayfs due to the improper return value of
#       listxattr() without xattr. Update outdated expressions in document as
#       well.
#     
#       Summary:
#     
#        - Fix improper return value of listxattr() with no xattr
#     
#        - Keep up documentation with latest code"
#     
#     * tag 'erofs-for-5.5-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
#       erofs: update documentation
#       erofs: zero out when listxattr is called with no xattr
# < /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 687dec9b94599b19e218f89fd034d6449c3ff57c
# < make -s -j 8 ARCH=arm64 O=/kisskb/build/linus_arm64-allnoconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  allnoconfig
# make -s -j 8 ARCH=arm64 O=/kisskb/build/linus_arm64-allnoconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/linus_arm64-allnoconfig_arm64-gcc8
# Build took: 0:00:43.024756