# git rev-parse -q --verify d57ae0a15d918577d245a75b8d68117fd92bc20b^{commit}
d57ae0a15d918577d245a75b8d68117fd92bc20b
already have revision, skipping fetch
# git checkout -q -f -B kisskb d57ae0a15d918577d245a75b8d68117fd92bc20b
# git clean -qxdf
# < git log -1
# commit d57ae0a15d918577d245a75b8d68117fd92bc20b
# Author: Christophe Leroy <christophe.leroy@c-s.fr>
# Date:   Tue Oct 29 12:13:58 2019 +0000
# 
#     powerpc/kexec: Move kexec files into a dedicated subdir.
#     
#     arch/powerpc/kernel/ contains 8 files dedicated to kexec.
#     
#     Move them into a dedicated subdirectory.
#     
#     Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
#     [mpe: Move to a/p/kexec, drop the 'machine' naming and use 'core' instead]
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/afbef97ec6a978574a5cf91a4441000e0a9da42a.1572351221.git.christophe.leroy@c-s.fr
# < /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 d57ae0a15d918577d245a75b8d68117fd92bc20b
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_40x_walnut_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  40x/walnut_defconfig
# make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_40x_walnut_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/arch/powerpc/kernel/head_40x.S: Assembler messages:
/kisskb/src/arch/powerpc/kernel/head_40x.S:804: Warning: invalid register expression
INFO: Uncompressed kernel (size 0x4d2174) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x500000)
Completed OK
# rm -rf /kisskb/build/powerpc-next_40x_walnut_defconfig_powerpc-gcc5
# Build took: 0:00:42.979419