# git rev-parse -q --verify 0e5a8909fe9aec421c77a95674b79062a9e0e815^{commit}
0e5a8909fe9aec421c77a95674b79062a9e0e815
already have revision, skipping fetch
# git checkout -q -f -B kisskb 0e5a8909fe9aec421c77a95674b79062a9e0e815
# git clean -qxdf
# < git log -1
# commit 0e5a8909fe9aec421c77a95674b79062a9e0e815
# Author: Alistair Popple <alistair@popple.id.au>
# Date:   Thu May 21 11:43:41 2020 +1000
# 
#     powerpc: Add POWER10 architected mode
#     
#     PVR value of 0x0F000006 means we are arch v3.1 compliant (i.e. POWER10).
#     This is used by phyp and kvm when booting as a pseries guest to detect
#     the presence of new P10 features and to enable the appropriate hwcap and
#     facility bits.
#     
#     Signed-off-by: Alistair Popple <alistair@popple.id.au>
#     Signed-off-by: Cédric Le Goater <clg@kaod.org>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20200521014341.29095-8-alistair@popple.id.au
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 0e5a8909fe9aec421c77a95674b79062a9e0e815
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64e_defconfig
# Added to kconfig CONFIG_KEXEC=y
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:2897:warning: override: reassigning to symbol KEXEC
# make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/arch/powerpc/kernel/cputable.c:137:13: error: 'setup_cpu_power10' defined but not used [-Werror=unused-function]
 static void setup_cpu_power10(unsigned long offset, struct cpu_spec* spec)
             ^
cc1: all warnings being treated as errors
make[3]: *** [/kisskb/src/scripts/Makefile.build:267: arch/powerpc/kernel/cputable.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:488: arch/powerpc/kernel] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1722: arch/powerpc] Error 2
make[1]: *** Waiting for unfinished jobs....
/kisskb/src/kernel/futex.c: In function 'do_futex':
/kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized]
   return oldval == cmparg;
                 ^
/kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here
  int oldval, ret;
      ^
make: *** [Makefile:180: sub-make] Error 2
Command 'make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc4.9
# Build took: 0:01:36.196215