# git rev-parse -q --verify 9b123d1ea23701bc00ebf712f1e03b25b8195eeb^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify 9b123d1ea23701bc00ebf712f1e03b25b8195eeb^{commit}
9b123d1ea23701bc00ebf712f1e03b25b8195eeb
# git checkout -q -f -B kisskb 9b123d1ea23701bc00ebf712f1e03b25b8195eeb
# git clean -qxdf
# < git log -1
# commit 9b123d1ea23701bc00ebf712f1e03b25b8195eeb
# Author: Nicholas Piggin <npiggin@gmail.com>
# Date:   Fri Aug 2 20:57:01 2019 +1000
# 
#     powerpc/64s/exception: reduce page fault unnecessary loads
#     
#     This avoids 3 loads in the radix page fault case, 1 load in the
#     hash fault case, and 2 loads in the hash miss page fault case.
#     
#     Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20190802105709.27696-37-npiggin@gmail.com
# < /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 9b123d1ea23701bc00ebf712f1e03b25b8195eeb
# < make -s -j 10 ARCH=x86_64 O=/kisskb/build/powerpc-next_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 10 ARCH=x86_64 O=/kisskb/build/powerpc-next_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/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/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:194:16: warning: 'old' 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:664:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.6
# Build took: 0:00:24.551798