# git rev-parse -q --verify 508fe4a9310b839c42b0b34757034deba9a40392^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test
# git rev-parse -q --verify 508fe4a9310b839c42b0b34757034deba9a40392^{commit}
508fe4a9310b839c42b0b34757034deba9a40392
# git checkout -q -f -B kisskb 508fe4a9310b839c42b0b34757034deba9a40392
# git clean -qxdf
# < git log -1
# commit 508fe4a9310b839c42b0b34757034deba9a40392
# Author: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
# Date:   Fri Jun 29 14:06:31 2018 +0530
# 
#     powerpc/mm/hash: Reduce contention on hpte lock
#     
#     We do this in some part. This patch make sure we always try to search
#     for hpte without holding lock and redo the compare with lock held once
#     match found.
#     
#     Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < git log --format=%s --max-count=1 508fe4a9310b839c42b0b34757034deba9a40392
# < make -s -j 80 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64 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-next_x86_64-allnoconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
/kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter.
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:183:16: 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:1033:6: 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:651:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64
# Build took: 0:03:12.639847