# git rev-parse -q --verify 656c21d6af5d9279dd7b51ca7a4a71008127044b^{commit}
656c21d6af5d9279dd7b51ca7a4a71008127044b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 656c21d6af5d9279dd7b51ca7a4a71008127044b
# git clean -qxdf
# < git log -1
# commit 656c21d6af5d9279dd7b51ca7a4a71008127044b
# Author: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
# Date:   Thu Dec 5 14:02:18 2019 +0530
# 
#     powerpc/shared: Use static key to detect shared processor
#     
#     With the static key shared processor available, is_shared_processor()
#     can return without having to query the lppaca structure.
#     
#     Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
#     Acked-by: Phil Auld <pauld@redhat.com>
#     Acked-by: Waiman Long <longman@redhat.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20191213035036.6913-2-mpe@ellerman.id.au
# < /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 656c21d6af5d9279dd7b51ca7a4a71008127044b
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc64_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64_defconfig
# make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc64_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
WARNING: 2 bad relocations
c0000000019e0f80 R_PPC64_ADDR64    _binary__btf_vmlinux_bin_start
c0000000019e0f88 R_PPC64_ADDR64    _binary__btf_vmlinux_bin_end
Completed OK
# rm -rf /kisskb/build/powerpc-fixes_ppc64_defconfig_powerpc-gcc5
# Build took: 0:03:54.405561