# git rev-parse -q --verify 3591c46dd176f7935684a701d41c37320921908d^{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 3591c46dd176f7935684a701d41c37320921908d^{commit}
3591c46dd176f7935684a701d41c37320921908d
# git checkout -q -f -B kisskb 3591c46dd176f7935684a701d41c37320921908d
# git clean -qxdf
# < git log -1
# commit 3591c46dd176f7935684a701d41c37320921908d
# Author: Zheng Yongjun <zhengyongjun3@huawei.com>
# Date:   Thu Dec 24 21:24:46 2020 +0800
# 
#     misc: ocxl: use DEFINE_MUTEX() for mutex lock
#     
#     mutex lock can be initialized automatically with DEFINE_MUTEX()
#     rather than explicitly calling mutex_init().
#     
#     Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
#     Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20201224132446.31286-1-zhengyongjun3@huawei.com
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 3591c46dd176f7935684a701d41c37320921908d
# < make -s -j 120 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# < make -s -j 120 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 120 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 120 ARCH=x86_64 O=/kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/powerpc-next_x86_64-allnoconfig_x86_64-gcc4.9
# Build took: 0:00:17.726425