# git rev-parse -q --verify ff57698a9610fcf7d9c4469bf68c881eff22e2f8^{commit}
ff57698a9610fcf7d9c4469bf68c881eff22e2f8
already have revision, skipping fetch
# git checkout -q -f -B kisskb ff57698a9610fcf7d9c4469bf68c881eff22e2f8
# git clean -qxdf
# < git log -1
# commit ff57698a9610fcf7d9c4469bf68c881eff22e2f8
# Author: Christophe Leroy <christophe.leroy@csgroup.eu>
# Date:   Thu Oct 22 09:29:21 2020 +0000
# 
#     powerpc: Fix update form addressing in inline assembly
#     
#     In several places, inline assembly uses the "%Un" modifier
#     to enable the use of instruction with update form addressing,
#     but the associated "<>" constraint is missing.
#     
#     As mentioned in previous patch, this fails with gcc 4.9, so
#     "<>" can't be used directly.
#     
#     Use UPD_CONSTR macro everywhere %Un modifier is used.
#     
#     Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
#     Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/62eab5ca595485c192de1765bdac099f633a21d0.1603358942.git.christophe.leroy@csgroup.eu
# < /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 ff57698a9610fcf7d9c4469bf68c881eff22e2f8
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64_defconfig+UP_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64_defconfig
# Added to kconfig CONFIG_SMP=n
# yes \n | make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64_defconfig+UP_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64_defconfig+UP_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/fs/btrfs/tree-checker.c: In function 'check_root_item':
/kisskb/src/fs/btrfs/tree-checker.c:1056:9: warning: missing braces around initializer [-Wmissing-braces]
  struct btrfs_root_item ri = { 0 };
         ^
/kisskb/src/fs/btrfs/tree-checker.c:1056:9: warning: (near initialization for 'ri.inode') [-Wmissing-braces]
Completed OK
# rm -rf /kisskb/build/powerpc-next_ppc64_defconfig+UP_powerpc-gcc4.9
# Build took: 0:02:14.186652