# git rev-parse -q --verify d6c338a741295c04ed84679153448b2fffd2c9cf^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify d6c338a741295c04ed84679153448b2fffd2c9cf^{commit}
d6c338a741295c04ed84679153448b2fffd2c9cf
# git checkout -q -f -B kisskb d6c338a741295c04ed84679153448b2fffd2c9cf
# git clean -qxdf
# < git log -1
# commit d6c338a741295c04ed84679153448b2fffd2c9cf
# Merge: 35776f10513c adf9ae0d159d
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Sep 9 13:45:26 2021 -0700
# 
#     Merge tag 'for-linus-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
#     
#     Pull UML updates from Richard Weinberger:
#     
#      - Support for VMAP_STACK
#     
#      - Support for splice_write in hostfs
#     
#      - Fixes for virt-pci
#     
#      - Fixes for virtio_uml
#     
#      - Various fixes
#     
#     * tag 'for-linus-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
#       um: fix stub location calculation
#       um: virt-pci: fix uapi documentation
#       um: enable VMAP_STACK
#       um: virt-pci: don't do DMA from stack
#       hostfs: support splice_write
#       um: virtio_uml: fix memory leak on init failures
#       um: virtio_uml: include linux/virtio-uml.h
#       lib/logic_iomem: fix sparse warnings
#       um: make PCI emulation driver init/exit static
# < /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 d6c338a741295c04ed84679153448b2fffd2c9cf
# < make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  defconfig
# < make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  help
# make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  olddefconfig
# make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1515:2: warning: #warning syscall clone3 not implemented [-Wcpp]
WARNING: modpost: EXPORT symbol "_mcount" [vmlinux] version ...
Is "_mcount" prototyped in <asm/asm-prototypes.h>?
  kernel: arch/sparc/boot/image is ready
/kisskb/src/arch/sparc/boot/Makefile:26: FORCE prerequisite is missing
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_sparc64-defconfig_sparc64
# Build took: 0:01:24.680792