# git rev-parse -q --verify 690e2aba7beb1ef06352803bea41a68a3c695015^{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 690e2aba7beb1ef06352803bea41a68a3c695015^{commit}
690e2aba7beb1ef06352803bea41a68a3c695015
# git checkout -q -f -B kisskb 690e2aba7beb1ef06352803bea41a68a3c695015
# git clean -qxdf
# < git log -1
# commit 690e2aba7beb1ef06352803bea41a68a3c695015
# Merge: 42eb62d417e5 5cbf3264bc71
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri May 1 17:19:15 2020 -0700
# 
#     Merge tag 'vfio-v5.7-rc4' of git://github.com/awilliam/linux-vfio
#     
#     Pull VFIO fixes from Alex Williamson:
#     
#      - copy_*_user validity check for new vfio_dma_rw interface (Yan Zhao)
#     
#      - Fix a potential math overflow (Yan Zhao)
#     
#      - Use follow_pfn() for calculating PFNMAPs (Sean Christopherson)
#     
#     * tag 'vfio-v5.7-rc4' of git://github.com/awilliam/linux-vfio:
#       vfio/type1: Fix VA->PA translation for PFNMAP VMAs in vaddr_get_pfn()
#       vfio: avoid possible overflow in vfio_iommu_type1_pin_pages
#       vfio: checking of validity of user vaddr in vfio_dma_rw
# < /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 690e2aba7beb1ef06352803bea41a68a3c695015
# < make -s -j 48 ARCH=sparc O=/kisskb/build/linus_sparc-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  defconfig
# < make -s -j 48 ARCH=sparc O=/kisskb/build/linus_sparc-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  help
# make -s -j 48 ARCH=sparc O=/kisskb/build/linus_sparc-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  olddefconfig
# make -s -j 48 ARCH=sparc O=/kisskb/build/linus_sparc-defconfig_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]
/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;
      ^
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_sparc-defconfig_sparc64
# Build took: 0:00:49.158149