# 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 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pq2fads_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pq2fads_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_pq2fads_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_32.S: Assembler messages:
/kisskb/src/arch/powerpc/kernel/head_32.S:934: Warning: invalid register expression
INFO: Uncompressed kernel (size 0x5b5d7c) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x600000)
INFO: Uncompressed kernel (size 0x5a5734) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x600000)
Image Name:   Linux-5.5.0-rc1-g656c21d6af5d
Created:      Fri Dec 13 22:51:36 2019
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    2967990 Bytes = 2898.43 KiB = 2.83 MiB
Load Address: 00600000
Entry Point:  00600894
Image Name:   Linux-5.5.0-rc1-g656c21d6af5d
Created:      Fri Dec 13 22:51:36 2019
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    2937703 Bytes = 2868.85 KiB = 2.80 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/powerpc-fixes_pq2fads_defconfig_powerpc-gcc5
# Build took: 0:01:02.323470