# git rev-parse -q --verify b29cc9b4582a7d81ce02384206ecc8c9d79c2abc^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test
# git rev-parse -q --verify b29cc9b4582a7d81ce02384206ecc8c9d79c2abc^{commit}
b29cc9b4582a7d81ce02384206ecc8c9d79c2abc
# git checkout -q -f -B kisskb b29cc9b4582a7d81ce02384206ecc8c9d79c2abc
# git clean -qxdf
# < git log -1
# commit b29cc9b4582a7d81ce02384206ecc8c9d79c2abc
# Author: Michal Suchanek <msuchanek@suse.de>
# Date:   Wed Nov 27 23:09:59 2019 +0100
# 
#     powerpc: add link stack flush mitigation status in debugfs.
#     
#     The link stack flush status is not visible in debugfs. It can be enabled
#     even when count cache flush is disabled. Add separate file for its
#     status.
#     
#     Signed-off-by: Michal Suchanek <msuchanek@suse.de>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20191127220959.6208-1-msuchanek@suse.de
# < /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 b29cc9b4582a7d81ce02384206ecc8c9d79c2abc
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_chrp32_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  chrp32_defconfig
# make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_chrp32_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/drivers/base/regmap/regmap.c: In function 'regmap_raw_read':
/kisskb/src/drivers/base/regmap/regmap.c:2591:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write':
/kisskb/src/drivers/base/regmap/regmap.c:1852:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec':
/kisskb/src/fs/ext4/extents.c:5054:23: warning: 'ret' 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/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq':
/kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' 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]
Completed OK
# rm -rf /kisskb/build/powerpc-next_chrp32_defconfig_powerpc-gcc4.6
# Build took: 0:00:56.198172