# git rev-parse -q --verify b172b44fcb1771e083aad806fa96f3f60e2ddfac^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.19.y
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 b172b44fcb1771e083aad806fa96f3f60e2ddfac^{commit}
b172b44fcb1771e083aad806fa96f3f60e2ddfac
# git checkout -q -f -B kisskb b172b44fcb1771e083aad806fa96f3f60e2ddfac
# git clean -qxdf
# < git log -1
# commit b172b44fcb1771e083aad806fa96f3f60e2ddfac
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Fri Sep 3 09:58:03 2021 +0200
# 
#     Linux 4.19.206
#     
#     Link: https://lore.kernel.org/r/20210901122250.752620302@linuxfoundation.org
#     Tested-by: Jon Hunter <jonathanh@nvidia.com>
#     Tested-by: Pavel Machek (CIP) <pavel@denx.de>
#     Tested-by: Shuah Khan <skhan@linuxfoundation.org>
#     Tested-by: Hulk Robot <hulkrobot@huawei.com>
#     Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
#     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/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-ld --version
# < git log --format=%s --max-count=1 b172b44fcb1771e083aad806fa96f3f60e2ddfac
# < make -s -j 24 ARCH=ia64 O=/kisskb/build/stable-4.19_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-  defconfig
# < make -s -j 24 ARCH=ia64 O=/kisskb/build/stable-4.19_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-  help
# make -s -j 24 ARCH=ia64 O=/kisskb/build/stable-4.19_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-  olddefconfig
# make -s -j 24 ARCH=ia64 O=/kisskb/build/stable-4.19_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-  
<stdin>:1185:2: warning: #warning syscall perf_event_open not implemented [-Wcpp]
<stdin>:1239:2: warning: #warning syscall seccomp not implemented [-Wcpp]
<stdin>:1317:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp]
<stdin>:1320:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp]
<stdin>:1323:2: warning: #warning syscall pkey_free not implemented [-Wcpp]
<stdin>:1326:2: warning: #warning syscall statx not implemented [-Wcpp]
<stdin>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
/kisskb/src/kernel/fork.c:728:13: warning: 'task_struct_whitelist' defined but not used [-Wunused-function]
 static void task_struct_whitelist(unsigned long *offset, unsigned long *size)
             ^
No errors detected in 21357 functions.
  Kernel: vmlinux.gz is ready
Completed OK
# rm -rf /kisskb/build/stable-4.19_ia64-defconfig_ia64-gcc4.9
# Build took: 0:03:04.048371