# git rev-parse -q --verify 15bc20c6af4ceee97a1f90b43c0e386643c071b4^{commit}
15bc20c6af4ceee97a1f90b43c0e386643c071b4
already have revision, skipping fetch
# git checkout -q -f -B kisskb 15bc20c6af4ceee97a1f90b43c0e386643c071b4
# git clean -qxdf
# < git log -1
# commit 15bc20c6af4ceee97a1f90b43c0e386643c071b4
# Merge: 27563ab6ef75 ea1fc02e12b6
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Aug 26 10:58:20 2020 -0700
# 
#     Merge tag 'tty-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
#     
#     Pull tty/serial fixes from Greg KH:
#      "Here are a few small TTY/Serial/vt fixes for 5.9-rc3
#     
#       Included in here are:
#        - qcom serial fixes
#        - vt ioctl and core bugfixes
#        - pl011 serial driver fixes
#        - 8250 serial driver fixes
#        - other misc serial driver fixes
#     
#       and for good measure:
#        - fbcon fix for syzbot found problem.
#     
#       All of these have been in linux-next for a while with no reported
#       issues"
#     
#     * tag 'tty-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
#       tty: serial: imx: add dependence and build for earlycon
#       serial: samsung: Removes the IRQ not found warning
#       serial: 8250: change lock order in serial8250_do_startup()
#       serial: stm32: avoid kernel warning on absence of optional IRQ
#       serial: pl011: Fix oops on -EPROBE_DEFER
#       serial: pl011: Don't leak amba_ports entry on driver register error
#       serial: 8250_exar: Fix number of ports for Commtech PCIe cards
#       tty: serial: qcom_geni_serial: Drop __init from qcom_geni_console_setup
#       serial: qcom_geni_serial: Fix recent kdb hang
#       vt_ioctl: change VT_RESIZEX ioctl to check for error return from vc_resize()
#       fbcon: prevent user font height or width change from causing potential out-of-bounds access
#       vt: defer kfree() of vc_screenbuf in vc_do_resize()
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 15bc20c6af4ceee97a1f90b43c0e386643c071b4
# < make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_corenet32_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  corenet32_smp_defconfig
# < make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_corenet32_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_corenet32_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_corenet32_smp_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0xde90d0) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xe00000)
Image Name:   Linux-5.9.0-rc2-g15bc20c6af4c
Created:      Thu Aug 27 11:15:55 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    6599429 Bytes = 6444.75 KiB = 6.29 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/linus_corenet32_smp_defconfig_powerpc-gcc4.9
# Build took: 0:04:07.945085