# git rev-parse -q --verify 8e52b94e19d82e2be4f3bf3699c8f39f4c6cc478^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-4.9.y
# git rev-parse -q --verify 8e52b94e19d82e2be4f3bf3699c8f39f4c6cc478^{commit}
8e52b94e19d82e2be4f3bf3699c8f39f4c6cc478
# git checkout -q -f -B kisskb 8e52b94e19d82e2be4f3bf3699c8f39f4c6cc478
# git clean -qxdf
# < git log -1
# commit 8e52b94e19d82e2be4f3bf3699c8f39f4c6cc478
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sat Jun 16 09:52:35 2018 +0200
# 
#     Linux 4.9.109
# < /opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-gcc --version
# < git log --format=%s --max-count=1 8e52b94e19d82e2be4f3bf3699c8f39f4c6cc478
# < make -s -j 10 ARCH=powerpc O=/kisskb/build/stable-4.9_powernv_defconfig+NO_PERF_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  powernv_defconfig
# Added to kconfig CONFIG_PERF_EVENTS=n
# yes \n | make -s -j 10 ARCH=powerpc O=/kisskb/build/stable-4.9_powernv_defconfig+NO_PERF_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  oldconfig
yes: standard output: Broken pipe
yes: write error
# make -s -j 10 ARCH=powerpc O=/kisskb/build/stable-4.9_powernv_defconfig+NO_PERF_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  
/kisskb/src/arch/powerpc/kernel/setup_64.c: In function 'rfi_flush_debugfs_init':
/kisskb/src/arch/powerpc/kernel/setup_64.c:803:41: error: 'powerpc_debugfs_root' undeclared (first use in this function)
  debugfs_create_file("rfi_flush", 0600, powerpc_debugfs_root, NULL, &fops_rfi_flush);
                                         ^
/kisskb/src/arch/powerpc/kernel/setup_64.c:803:41: note: each undeclared identifier is reported only once for each function it appears in
/kisskb/src/scripts/Makefile.build:296: recipe for target 'arch/powerpc/kernel/setup_64.o' failed
make[2]: *** [arch/powerpc/kernel/setup_64.o] Error 1
/kisskb/src/Makefile:1006: recipe for target 'arch/powerpc/kernel' failed
make[1]: *** [arch/powerpc/kernel] Error 2
make[1]: *** Waiting for unfinished jobs....
/kisskb/src/kernel/sched/cpuacct.c: In function 'cpuacct_stats_show':
/kisskb/src/kernel/sched/cpuacct.c:298:18: warning: format '%lld' expects argument of type 'long long int', but argument 4 has type 'long unsigned int' [-Wformat=]
   seq_printf(sf, "%s %lld\n",
                  ^
Makefile:152: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
Command 'make -s -j 10 ARCH=powerpc O=/kisskb/build/stable-4.9_powernv_defconfig+NO_PERF_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/stable-4.9_powernv_defconfig+NO_PERF_ppc64le
# Build took: 0:02:09.359842