# git rev-parse -q --verify 9791581c049c10929e97098374dd1716a81fefcc^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 9791581c049c10929e97098374dd1716a81fefcc^{commit}
9791581c049c10929e97098374dd1716a81fefcc
# git checkout -q -f -B kisskb 9791581c049c10929e97098374dd1716a81fefcc
# git clean -qxdf
# < git log -1
# commit 9791581c049c10929e97098374dd1716a81fefcc
# Merge: 75439bc439e0 34d1eb0e5998
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Jan 20 14:15:33 2021 -0800
# 
#     Merge tag 'for-5.11-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
#     
#     Pull btrfs fixes from David Sterba:
#      "A few more one line fixes for various bugs, stable material.
#     
#        - fix send when emitting clone operation from the same file and root
#     
#        - fix double free on error when cleaning backrefs
#     
#        - lockdep fix during relocation
#     
#        - handle potential error during reloc when starting transaction
#     
#        - skip running delayed refs during commit (leftover from code removal
#          in this dev cycle)"
#     
#     * tag 'for-5.11-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
#       btrfs: don't clear ret in btrfs_start_dirty_block_groups
#       btrfs: fix lockdep splat in btrfs_recover_relocation
#       btrfs: do not double free backref nodes on error
#       btrfs: don't get an EINTR during drop_snapshot for reloc
#       btrfs: send: fix invalid clone operations when cloning from the same file and root
#       btrfs: no need to run delayed refs after commit_fs_roots during commit
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 9791581c049c10929e97098374dd1716a81fefcc
# < make -s -j 24 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allnoconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  allnoconfig

WARNING: unmet direct dependencies detected for COMPAT_BINFMT_ELF
  Depends on [n]: COMPAT [=y] && BINFMT_ELF [=n]
  Selected by [y]:
  - COMPAT [=y] && SPARC64 [=y]
# < make -s -j 24 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allnoconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  help
# make -s -j 24 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allnoconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  olddefconfig

WARNING: unmet direct dependencies detected for COMPAT_BINFMT_ELF
  Depends on [n]: COMPAT [=y] && BINFMT_ELF [=n]
  Selected by [y]:
  - COMPAT [=y] && SPARC64 [=y]

WARNING: unmet direct dependencies detected for COMPAT_BINFMT_ELF
  Depends on [n]: COMPAT [=y] && BINFMT_ELF [=n]
  Selected by [y]:
  - COMPAT [=y] && SPARC64 [=y]
# make -s -j 24 ARCH=sparc64 O=/kisskb/build/linus_sparc64-allnoconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_sparc64-allnoconfig_sparc64
# Build took: 0:00:20.067430