# git rev-parse -q --verify 19e68b2aec3c0a2bd770d3c358a296a1849f308a^{commit}
19e68b2aec3c0a2bd770d3c358a296a1849f308a
already have revision, skipping fetch
# git checkout -q -f -B kisskb 19e68b2aec3c0a2bd770d3c358a296a1849f308a
# git clean -qxdf
# < git log -1
# commit 19e68b2aec3c0a2bd770d3c358a296a1849f308a
# Author: Mathieu Malaterre <malat@debian.org>
# Date:   Thu Mar 22 22:03:18 2018 +0100
# 
#     powerpc/mm/radix: Fix always false comparison against MMU_NO_CONTEXT
#     
#     In commit 9690c1574268 ("powerpc/mm/radix: Fix always false comparison
#     against MMU_NO_CONTEXT") an issue was discovered where `mm->context.id` was
#     being truncated to an `unsigned int`, while the PID is actually an
#     `unsigned long`. Update the earlier patch by fixing one remaining
#     occurrence. Discovered during a compilation with W=1:
#     
#       arch/powerpc/mm/tlb-radix.c:702:19: error: comparison is always false due to limited range of data type [-Werror=type-limits]
#     
#     Signed-off-by: Mathieu Malaterre <malat@debian.org>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 19e68b2aec3c0a2bd770d3c358a296a1849f308a
# < make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-next_44x_rainier_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  44x/rainier_defconfig
# make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-next_44x_rainier_defconfig_powerpc 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:183:16: 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:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here
INFO: Uncompressed kernel (size 0x4697e4) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x500000)
Image Name:   Linux-4.16.0-rc4-g19e68b2
Created:      Mon Apr  2 19:13:35 2018
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    2223172 Bytes = 2171.07 kB = 2.12 MB
Load Address: 00500000
Entry Point:  0050110c
Completed OK
# rm -rf /kisskb/build/powerpc-next_44x_rainier_defconfig_powerpc
# Build took: 0:00:20.729168