# git rev-parse -q --verify 21613cfad181c882b1effd227dcfbddc61dc80f7^{commit}
21613cfad181c882b1effd227dcfbddc61dc80f7
already have revision, skipping fetch
# git checkout -q -f -B kisskb 21613cfad181c882b1effd227dcfbddc61dc80f7
# git clean -qxdf
# < git log -1
# commit 21613cfad181c882b1effd227dcfbddc61dc80f7
# Author: Christophe Leroy <christophe.leroy@c-s.fr>
# Date:   Tue Jan 14 17:54:04 2020 +0000
# 
#     powerpc/32: Reuse orphaned memblocks in kasan_init_shadow_page_tables()
#     
#     If concurrent PMD population has happened, re-use orphaned memblocks.
#     
#     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/b29ffffb9206dc14541fa420c17604240728041b.1579024426.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 21613cfad181c882b1effd227dcfbddc61dc80f7
# < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_40x_ep405_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  40x/ep405_defconfig
# make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_40x_ep405_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/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/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/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]
INFO: Uncompressed kernel (size 0x52a6ac) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x600000)
Completed OK
# rm -rf /kisskb/build/powerpc-next_40x_ep405_defconfig_powerpc-gcc4.6
# Build took: 0:00:40.362276