# git gc
# git rev-parse -q --verify b56da4caac598e69d707ee64bf6f6c7b832cc807^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.9.y
# git rev-parse -q --verify b56da4caac598e69d707ee64bf6f6c7b832cc807^{commit}
b56da4caac598e69d707ee64bf6f6c7b832cc807
# git checkout -q -f -B kisskb b56da4caac598e69d707ee64bf6f6c7b832cc807
# git clean -qxdf
# < git log -1
# commit b56da4caac598e69d707ee64bf6f6c7b832cc807
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Wed May 26 11:29:09 2021 +0200
# 
#     Linux 4.9.270
#     
#     Link: https://lore.kernel.org/r/20210524152324.158146731@linuxfoundation.org
#     Tested-by: Florian Fainelli <f.fainelli@gmail.com>
#     Tested-by: Jason Self <jason@bluehome.net>
#     Tested-by: Shuah Khan <skhan@linuxfoundation.org>
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
#     Tested-by: Guenter Roeck <linux@roeck-us.net>
#     Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 b56da4caac598e69d707ee64bf6f6c7b832cc807
# < make -s -j 48 ARCH=sparc64 O=/kisskb/build/stable-4.9_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  defconfig
# < make -s -j 48 ARCH=sparc64 O=/kisskb/build/stable-4.9_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  help
# make -s -j 48 ARCH=sparc64 O=/kisskb/build/stable-4.9_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  olddefconfig
# make -s -j 48 ARCH=sparc64 O=/kisskb/build/stable-4.9_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1316:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp]
<stdin>:1319:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp]
<stdin>:1322:2: warning: #warning syscall pkey_free not implemented [-Wcpp]
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/stable-4.9_sparc64-defconfig_sparc64
# Build took: 0:05:49.110106