# 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-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < git log --format=%s --max-count=1 19e68b2aec3c0a2bd770d3c358a296a1849f308a
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_pmac32_defconfig+KVM_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pmac32_defconfig
# Added to kconfig CONFIG_VIRTUALIZATION=y
# Added to kconfig CONFIG_KVM=y
# Added to kconfig CONFIG_KVM_BOOK3S_32=m
# Added to kconfig 
# yes \n | make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_pmac32_defconfig+KVM_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  oldconfig
yes: standard output: Broken pipe
yes: write error
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_pmac32_defconfig+KVM_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
In file included from /kisskb/src/sound/ppc/pmac.h:25:0,
                 from /kisskb/src/sound/ppc/awacs.c:29:
/kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init':
/kisskb/src/include/sound/control.h:220:9: warning: 'speaker_vol' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return _snd_ctl_add_slave(master, slave, 0);
         ^
/kisskb/src/sound/ppc/awacs.c:886:36: note: 'speaker_vol' was declared here
  struct snd_kcontrol *master_vol, *speaker_vol;
                                    ^
INFO: Uncompressed kernel (size 0x88e36c) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x900000)
Completed OK
# rm -rf /kisskb/build/powerpc-next_pmac32_defconfig+KVM_powerpc-5.3
# Build took: 0:01:25.774320