# git rev-parse -q --verify 959f1ea4c55744a70d8891425776b4aa758938ae^{commit}
959f1ea4c55744a70d8891425776b4aa758938ae
already have revision, skipping fetch
# git checkout -q -f -B kisskb 959f1ea4c55744a70d8891425776b4aa758938ae
# git clean -qxdf
# < git log -1
# commit 959f1ea4c55744a70d8891425776b4aa758938ae
# Author: Christophe Leroy <christophe.leroy@c-s.fr>
# Date:   Tue Oct 29 09:53:13 2019 +0000
# 
#     powerpc/vdso32: miscellaneous optimisations
#     
#     Various optimisations by inverting branches and removing
#     redundant instructions.
#     
#     Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/7f80e4489a44b53962cf2c813e63038332fcf457.1572342582.git.christophe.leroy@c-s.fr
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version
# < git log --format=%s --max-count=1 959f1ea4c55744a70d8891425776b4aa758938ae
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_52xx_cm5200_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  52xx/cm5200_defconfig
# make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_52xx_cm5200_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c: In function 'proc_reg_open':
/kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here
/kisskb/src/drivers/usb/core/devio.c: In function 'async_completed':
/kisskb/src/drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized]
INFO: Uncompressed kernel (size 0x505118) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x600000)
Image Name:   Linux-5.4.0-rc2-g959f1ea4c557
Created:      Sat Nov 30 00:30:58 2019
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    2566899 Bytes = 2506.74 KiB = 2.45 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/powerpc-next_52xx_cm5200_defconfig_powerpc-gcc4.6
# Build took: 0:00:21.556374