# git rev-parse -q --verify 1aa60168a02b1b443b27ad1b1bbadc0fff530acf^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-stable-rc.git linux-4.9.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 1aa60168a02b1b443b27ad1b1bbadc0fff530acf^{commit}
1aa60168a02b1b443b27ad1b1bbadc0fff530acf
# git checkout -q -f -B kisskb 1aa60168a02b1b443b27ad1b1bbadc0fff530acf
# git clean -qxdf
# < git log -1
# commit 1aa60168a02b1b443b27ad1b1bbadc0fff530acf
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Fri Jul 26 16:17:11 2019 +0200
# 
#     Linux 4.9.187-rc1
# < /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 1aa60168a02b1b443b27ad1b1bbadc0fff530acf
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/stable-rc-4.9_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 48 ARCH=arm64 O=/kisskb/build/stable-rc-4.9_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
/kisskb/src/kernel/events/core.c: In function 'SYSC_perf_event_open':
/kisskb/src/kernel/events/core.c:9937:3: error: implicit declaration of function 'for_each_sibling_event' [-Werror=implicit-function-declaration]
   for_each_sibling_event(sibling, group_leader) {
   ^
/kisskb/src/kernel/events/core.c:9937:49: error: expected ';' before '{' token
   for_each_sibling_event(sibling, group_leader) {
                                                 ^
cc1: some warnings being treated as errors
make[3]: *** [/kisskb/src/scripts/Makefile.build:304: kernel/events/core.o] Error 1
make[2]: *** [/kisskb/src/scripts/Makefile.build:555: kernel/events] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1021: kernel] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:152: sub-make] Error 2
Command 'make -s -j 48 ARCH=arm64 O=/kisskb/build/stable-rc-4.9_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/stable-rc-4.9_arm64-defconfig_arm64-gcc5.4
# Build took: 0:03:54.209006