# git rev-parse -q --verify 3591c46dd176f7935684a701d41c37320921908d^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test
# 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/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 3591c46dd176f7935684a701d41c37320921908d
# < make -s -j 80 ARCH=arm64 O=/kisskb/build/powerpc-next_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# < make -s -j 80 ARCH=arm64 O=/kisskb/build/powerpc-next_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  help
# make -s -j 80 ARCH=arm64 O=/kisskb/build/powerpc-next_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  olddefconfig
# make -s -j 80 ARCH=arm64 O=/kisskb/build/powerpc-next_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:25: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:33: LSE atomics not supported by binutils
/kisskb/src/arch/arm64/kernel/smp.c: In function 'arch_show_interrupts':
/kisskb/src/arch/arm64/kernel/smp.c:810:16: warning: unused variable 'irq' [-Wunused-variable]
   unsigned int irq = irq_desc_get_irq(ipi_desc[i]);
                ^
Completed OK
# rm -rf /kisskb/build/powerpc-next_arm64-defconfig_arm64-gcc5.4
# Build took: 0:06:13.851072