# git rev-parse -q --verify 6fb7ef5a343dea78e71600314cbb5e5b7466243b^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-kbuild.git for-next
# git rev-parse -q --verify 6fb7ef5a343dea78e71600314cbb5e5b7466243b^{commit}
6fb7ef5a343dea78e71600314cbb5e5b7466243b
# git checkout -q -f -B kisskb 6fb7ef5a343dea78e71600314cbb5e5b7466243b
# git clean -qxdf
# < git log -1
# commit 6fb7ef5a343dea78e71600314cbb5e5b7466243b
# Author: Masahiro Yamada <yamada.masahiro@socionext.com>
# Date:   Fri Mar 8 18:56:25 2019 +0900
# 
#     kbuild: pkg: grep include/config/auto.conf instead of $KCONFIG_CONFIG
#     
#     This will be a little more efficient since unset CONFIG options are
#     stripped away from auto.conf, and we can hard-code the path to auto.conf
#     since it is never overridden.
#     
#     include/config/kernel.release is generated before %pkg is run.
#     So, it is guaranteed auto.conf is up-to-date.
#     
#     Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 6fb7ef5a343dea78e71600314cbb5e5b7466243b
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/kbuild_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  powernv_defconfig
# Added to kconfig CONFIG_PERF_EVENTS=n
# yes \n | make -s -j 120 ARCH=powerpc O=/kisskb/build/kbuild_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 120 ARCH=powerpc O=/kisskb/build/kbuild_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
<stdin>:1478:2: warning: #warning syscall io_uring_setup not implemented [-Wcpp]
<stdin>:1481:2: warning: #warning syscall io_uring_enter not implemented [-Wcpp]
<stdin>:1484:2: warning: #warning syscall io_uring_register not implemented [-Wcpp]
/kisskb/src/net/sunrpc/xprtsock.c: In function 'xs_stream_data_receive':
/kisskb/src/net/sunrpc/xprtsock.c:498:15: warning: 'read' may be used uninitialized in this function [-Wmaybe-uninitialized]
  size_t want, read;
               ^
/kisskb/src/net/sunrpc/xprtsock.c:529:9: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return ret < 0 ? ret : read;
         ^
/kisskb/src/net/sunrpc/xprtsock.c:499:10: note: 'ret' was declared here
  ssize_t ret;
          ^
WARNING: vmlinux.o(.text+0x2d28): Section mismatch in reference from the variable start_here_multiplatform to the function .init.text:early_setup()
The function start_here_multiplatform() references
the function __init early_setup().
This is often because start_here_multiplatform lacks a __init 
annotation or the annotation of early_setup is wrong.

WARNING: vmlinux.o(.text+0x2d5c): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel()
The function start_here_common() references
the function __init start_kernel().
This is often because start_here_common lacks a __init 
annotation or the annotation of start_kernel is wrong.

Completed OK
# rm -rf /kisskb/build/kbuild_powernv_defconfig+NO_PERF_ppc64le-gcc5
# Build took: 0:01:38.027348