# git rev-parse -q --verify 656c21d6af5d9279dd7b51ca7a4a71008127044b^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git fixes-test
# git rev-parse -q --verify 656c21d6af5d9279dd7b51ca7a4a71008127044b^{commit}
656c21d6af5d9279dd7b51ca7a4a71008127044b
# 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/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 656c21d6af5d9279dd7b51ca7a4a71008127044b
# < make -s -j 80 ARCH=x86_64 O=/kisskb/build/powerpc-fixes_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# make -s -j 80 ARCH=x86_64 O=/kisskb/build/powerpc-fixes_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
/kisskb/src/tools/objtool
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq':
/kisskb/src/arch/x86/kernel/apic/io_apic.c:1037:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap':
/kisskb/src/arch/x86/kernel/e820.c:665:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/powerpc-fixes_x86_64-allnoconfig_x86_64-gcc4.6
# Build took: 0:01:10.313409