# git rev-parse -q --verify 8f816983b4b8a0799dc0d83a305e20e6a876ba68^{commit}
8f816983b4b8a0799dc0d83a305e20e6a876ba68
already have revision, skipping fetch
# git checkout -q -f -B kisskb 8f816983b4b8a0799dc0d83a305e20e6a876ba68
# git clean -qxdf
# < git log -1
# commit 8f816983b4b8a0799dc0d83a305e20e6a876ba68
# Author: Nicholas Piggin <npiggin@gmail.com>
# Date:   Tue May 1 00:55:58 2018 +1000
# 
#     powerpc/powernv: provide a console flush operation for opal hvc driver
#     
#     Provide the flush hv_op for the opal hvc driver. This will flush the
#     firmware console buffers without spinning with interrupts disabled.
#     
#     Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
#     Cc: linuxppc-dev@lists.ozlabs.org
#     Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
#     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 8f816983b4b8a0799dc0d83a305e20e6a876ba68
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next_pmac32_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pmac32_defconfig
# make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-next_pmac32_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter.
/kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter.
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:223:9: 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 0x8a44a4) 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_powerpc-5.3
# Build took: 0:01:24.323093