# git rev-parse -q --verify 612ee81b9461475b5a5612c2e8d71559dd3c7920^{commit}
612ee81b9461475b5a5612c2e8d71559dd3c7920
already have revision, skipping fetch
# git checkout -q -f -B kisskb 612ee81b9461475b5a5612c2e8d71559dd3c7920
# git clean -qxdf
# < git log -1
# commit 612ee81b9461475b5a5612c2e8d71559dd3c7920
# Author: Vaibhav Jain <vaibhav@linux.ibm.com>
# Date:   Fri Sep 27 11:50:02 2019 +0530
# 
#     powerpc/papr_scm: Fix an off-by-one check in papr_scm_meta_{get, set}
#     
#     A validation check to prevent out of bounds read/write inside
#     functions papr_scm_meta_{get,set}() is off-by-one that prevent reads
#     and writes to the last byte of the label area.
#     
#     This bug manifests as a failure to probe a dimm when libnvdimm is
#     unable to read the entire config-area as advertised by
#     ND_CMD_GET_CONFIG_SIZE. This usually happens when there are large
#     number of namespaces created in the region backed by the dimm and the
#     label-index spans max possible config-area. An error of the form below
#     usually reported in the kernel logs:
#     
#     [  255.293912] nvdimm: probe of nmem0 failed with error -22
#     
#     The patch fixes these validation checks there by letting libnvdimm
#     access the entire config-area.
#     
#     Fixes: 53e80bd042773('powerpc/nvdimm: Add support for multibyte read/write for metadata')
#     Signed-off-by: Vaibhav Jain <vaibhav@linux.ibm.com>
#     Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20190927062002.3169-1-vaibhav@linux.ibm.com
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 612ee81b9461475b5a5612c2e8d71559dd3c7920
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_pmac32_defconfig+kexec_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pmac32_defconfig
# Added to kconfig configs/2006/11/29/pmac32_defconfigkexec
# yes \n | make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_pmac32_defconfig+kexec_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_pmac32_defconfig+kexec_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
In file included from /kisskb/src/sound/ppc/pmac.h:12:0,
                 from /kisskb/src/sound/ppc/awacs.c:16:
/kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init':
/kisskb/src/include/sound/control.h:208:9: 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:873:36: note: 'speaker_vol' was declared here
  struct snd_kcontrol *master_vol, *speaker_vol;
                                    ^
INFO: Uncompressed kernel (size 0x8cab4c) 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+kexec_powerpc-gcc5
# Build took: 0:00:52.181299