# git rev-parse -q --verify 457391b0380335d5e9a5babdec90ac53928b23b4^{commit}
457391b0380335d5e9a5babdec90ac53928b23b4
already have revision, skipping fetch
# git checkout -q -f -B kisskb 457391b0380335d5e9a5babdec90ac53928b23b4
# git clean -qxdf
# < git log -1
# commit 457391b0380335d5e9a5babdec90ac53928b23b4
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Apr 23 12:02:52 2023 -0700
# 
#     Linux 6.3
# < /opt/cross/kisskb/x86-64--glibc--bleeding-edge-2022.08-1/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/x86-64--glibc--bleeding-edge-2022.08-1/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 457391b0380335d5e9a5babdec90ac53928b23b4
# < make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64-gcc12 CROSS_COMPILE=/opt/cross/kisskb/x86-64--glibc--bleeding-edge-2022.08-1/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# < make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64-gcc12 CROSS_COMPILE=/opt/cross/kisskb/x86-64--glibc--bleeding-edge-2022.08-1/bin/x86_64-linux- SUBARCH=x86_64 help
# make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64-gcc12 CROSS_COMPILE=/opt/cross/kisskb/x86-64--glibc--bleeding-edge-2022.08-1/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig
# make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64-gcc12 CROSS_COMPILE=/opt/cross/kisskb/x86-64--glibc--bleeding-edge-2022.08-1/bin/x86_64-linux- SUBARCH=x86_64 
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64-gcc12
# Build took: 0:00:46.212156