# git rev-parse -q --verify 5c7e3f3f5cbc31118914ceee969154582ad3aa6b^{commit}
5c7e3f3f5cbc31118914ceee969154582ad3aa6b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 5c7e3f3f5cbc31118914ceee969154582ad3aa6b
# git clean -qxdf
# < git log -1
# commit 5c7e3f3f5cbc31118914ceee969154582ad3aa6b
# Merge: 4a5bb973fa03 9def3b1a07c4
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Oct 20 09:35:06 2020 -0700
# 
#     Merge tag 'iommu-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
#     
#     Pull iommu fix from Joerg Roedel:
#      "Fix a build regression with !CONFIG_IOMMU_API"
#     
#     * tag 'iommu-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
#       iommu/vt-d: Don't dereference iommu_device if IOMMU_API is not built
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 5c7e3f3f5cbc31118914ceee969154582ad3aa6b
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  44x/fsp2_defconfig
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
In file included from /kisskb/src/kernel/rcu/update.c:578:0:
/kisskb/src/kernel/rcu/tasks.h:710:13: warning: 'show_rcu_tasks_rude_gp_kthread' defined but not used [-Wunused-function]
 static void show_rcu_tasks_rude_gp_kthread(void) {}
             ^
INFO: Uncompressed kernel (size 0xa5eccc) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xb00000)
Image Name:   Linux-5.9.0-62187-g5c7e3f3f5cbc
Created:      Wed Oct 21 05:19:06 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    4529438 Bytes = 4423.28 KiB = 4.32 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/linus_44x_fsp2_defconfig_powerpc-gcc5
# Build took: 0:01:11.699581