# git rev-parse -q --verify 2a6740796b277032d9b5c6ec7f19c572d0f4f3d4^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/tip auto-latest
error: 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 2a6740796b277032d9b5c6ec7f19c572d0f4f3d4^{commit}
2a6740796b277032d9b5c6ec7f19c572d0f4f3d4
# git checkout -q -f -B kisskb 2a6740796b277032d9b5c6ec7f19c572d0f4f3d4
# git clean -qxdf
# < git log -1
# commit 2a6740796b277032d9b5c6ec7f19c572d0f4f3d4
# Merge: a32eced7322a e0478542cfd4
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Fri Apr 12 18:35:46 2019 +0200
# 
#     Merge branch 'core/core'
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version
# < git log --format=%s --max-count=1 2a6740796b277032d9b5c6ec7f19c572d0f4f3d4
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_powerpc-allnoconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  allnoconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/tip_powerpc-allnoconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
<stdin>:1478:2: warning: #warning syscall pidfd_send_signal not implemented [-Wcpp]
<stdin>:1481:2: warning: #warning syscall io_uring_setup not implemented [-Wcpp]
<stdin>:1484:2: warning: #warning syscall io_uring_enter not implemented [-Wcpp]
<stdin>:1487:2: warning: #warning syscall io_uring_register not implemented [-Wcpp]
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:187:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/tip_powerpc-allnoconfig_powerpc-gcc4.6
# Build took: 0:00:14.807139