# git rev-parse -q --verify 3909c5f6d66dd7a56899e1c7a0a65284a0d3423f^{commit}
3909c5f6d66dd7a56899e1c7a0a65284a0d3423f
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3909c5f6d66dd7a56899e1c7a0a65284a0d3423f
# git clean -qxdf
# < git log -1
# commit 3909c5f6d66dd7a56899e1c7a0a65284a0d3423f
# Author: Ram Pai <linuxram@us.ibm.com>
# Date:   Tue Mar 27 02:09:28 2018 -0700
# 
#     mm, x86, powerpc: display pkey in smaps only if arch supports pkeys
#     
#     Currently the  architecture  specific code is expected to
#     display  the  protection  keys  in  smap  for a given vma.
#     This can lead to redundant code and possibly to divergent
#     formats in which the key gets displayed.
#     
#     This  patch  changes  the implementation. It displays the
#     pkey only if the architecture support pkeys, i.e
#     arch_pkeys_enabled() returns true.  This patch
#     provides x86 implementation for arch_pkeys_enabled().
#     
#     x86 arch_show_smap() function is not needed anymore.
#     Deleting it.
#     
#     cc: Michael Ellermen <mpe@ellerman.id.au>
#     cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
#     cc: Andrew Morton <akpm@linux-foundation.org>
#     Reviewed-by: Dave Hansen <dave.hansen@intel.com>
#     Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
#     (fixed compilation errors for x86 configs)
#     Acked-by: Michal Hocko <mhocko@suse.com>
#     Reviewed-by: Ingo Molnar <mingo@kernel.org>
#     Signed-off-by: Ram Pai <linuxram@us.ibm.com>
#     [mpe: Don't remove include of asm/mmu_context.h from pkeys.h, to avoid
#           build errors on some configs.]
#     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 3909c5f6d66dd7a56899e1c7a0a65284a0d3423f
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_pmac32_defconfig+kexec_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pmac32_defconfig
# Added to kconfig configs/2006/11/29/pmac32_defconfigkexec
# yes \n | make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_pmac32_defconfig+kexec_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+kexec_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 0x88a2f4) 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-5.3
# Build took: 0:01:41.131145