# git rev-parse -q --verify 5ac94332248ee017964ba368cdda4ce647e3aba7^{commit}
5ac94332248ee017964ba368cdda4ce647e3aba7
already have revision, skipping fetch
# git checkout -q -f -B kisskb 5ac94332248ee017964ba368cdda4ce647e3aba7
# git clean -qxdf
# < git log -1
# commit 5ac94332248ee017964ba368cdda4ce647e3aba7
# Merge: 1064d8577381 c191f93454bc
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue May 14 20:56:31 2019 -0700
# 
#     Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
#     
#     Pull more rdma updates from Jason Gunthorpe:
#      "This is being sent to get a fix for the gcc 9.1 build warnings, and
#       I've also pulled in some bug fix patches that were posted in the last
#       two weeks.
#     
#        - Avoid the gcc 9.1 warning about overflowing a union member
#     
#        - Fix the wrong callback type for a single response netlink to doit
#     
#        - Bug fixes from more usage of the mlx5 devx interface"
#     
#     * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
#       net/mlx5: Set completion EQs as shared resources
#       IB/mlx5: Verify DEVX general object type correctly
#       RDMA/core: Change system parameters callback from dumpit to doit
#       RDMA: Directly cast the sockaddr union to sockaddr
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 5ac94332248ee017964ba368cdda4ce647e3aba7
# < make -s -j 120 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  x86_64_defconfig
# make -s -j 120 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  
Completed OK
# rm -rf /kisskb/build/linus_x86_64_defconfig_x86_64-gcc8
# Build took: 0:00:44.827048