# git rev-parse -q --verify 3a562aee727a7bfbb3a37b1aa934118397dad701^{commit}
3a562aee727a7bfbb3a37b1aa934118397dad701
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3a562aee727a7bfbb3a37b1aa934118397dad701
# git clean -qxdf
# < git log -1
# commit 3a562aee727a7bfbb3a37b1aa934118397dad701
# Merge: b6b4aafc99d7 de7999afedff
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jan 3 12:20:21 2020 -0800
# 
#     Merge tag 'for-5.5-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
#     
#     Pull btrfs fixes from David Sterba:
#      "A few fixes for btrfs:
#     
#        - blkcg accounting problem with compression that could stall writes
#     
#        - setting up blkcg bio for compression crashes due to NULL bdev
#          pointer
#     
#        - fix possible infinite loop in writeback for nocow files (here
#          possible means almost impossible, 13 things that need to happen to
#          trigger it)"
#     
#     * tag 'for-5.5-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
#       Btrfs: fix infinite loop during nocow writeback due to race
#       btrfs: fix compressed write bio blkcg attribution
#       btrfs: punt all bios created in btrfs_submit_compressed_write()
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 3a562aee727a7bfbb3a37b1aa934118397dad701
# < make -s -j 80 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  x86_64_defconfig
# make -s -j 80 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  
/kisskb/src/tools/objtool
Completed OK
# rm -rf /kisskb/build/linus_x86_64_defconfig_x86_64-gcc8
# Build took: 0:02:17.198403