# git rev-parse -q --verify 40f34a09172289a0ca65ad6ca7717f377f9aa252^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/stable linux-3.18.y
error: 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 40f34a09172289a0ca65ad6ca7717f377f9aa252^{commit}
40f34a09172289a0ca65ad6ca7717f377f9aa252
# git checkout -q -f -B kisskb 40f34a09172289a0ca65ad6ca7717f377f9aa252
# git clean -qxdf
# < git log -1
# commit 40f34a09172289a0ca65ad6ca7717f377f9aa252
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Thu Dec 13 09:22:32 2018 +0100
# 
#     Linux 3.18.129
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 40f34a09172289a0ca65ad6ca7717f377f9aa252
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/stable-3.18_ppc64e_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  ppc64e_defconfig
In file included from scripts/kconfig/zconf.tab.c:2534:
/kisskb/src/scripts/kconfig/confdata.c: In function 'conf_write':
/kisskb/src/scripts/kconfig/confdata.c:767:19: warning: '%s' directive writing likely 7 or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=]
  sprintf(newname, "%s%s", dirname, basename);
                   ^~~~~~
/kisskb/src/scripts/kconfig/confdata.c:767:19: note: assuming directive output of 7 bytes
/kisskb/src/scripts/kconfig/confdata.c:767:2: note: 'sprintf' output 1 or more bytes (assuming 4104) into a destination of size 4097
  sprintf(newname, "%s%s", dirname, basename);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/kisskb/src/scripts/kconfig/confdata.c:770:20: warning: '.tmpconfig.' directive writing 11 bytes into a region of size between 1 and 4097 [-Wformat-overflow=]
   sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
                    ^~~~~~~~~~~~~~~~~
/kisskb/src/scripts/kconfig/confdata.c:770:3: note: 'sprintf' output between 13 and 4119 bytes into a destination of size 4097
   sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid());
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# make -s -j 120 ARCH=powerpc O=/kisskb/build/stable-3.18_ppc64e_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/kernel/cgroup.c: In function 'cgroup_mount':
/kisskb/src/kernel/cgroup.c:1837:13: warning: 'root' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'serial8250_do_shutdown':
/kisskb/src/drivers/tty/serial/8250/8250_core.c:1797:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c:1777:19: note: 'i' was declared here
/kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc':
/kisskb/src/fs/nfsd/nfs4xdr.c:1771:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized]
INFO: Uncompressed kernel (size 0xc7c140) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xd00000)
Image Name:   Linux-3.18.129-g40f34a091722
Created:      Thu Dec 13 22:13:02 2018
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    5296662 Bytes = 5172.52 KiB = 5.05 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/stable-3.18_ppc64e_defconfig_powerpc
# Build took: 0:01:18.971623