# git rev-parse -q --verify 701c09c988bd60d950d49c48993b6c06efbfba7f^{commit}
701c09c988bd60d950d49c48993b6c06efbfba7f
already have revision, skipping fetch
# git checkout -q -f -B kisskb 701c09c988bd60d950d49c48993b6c06efbfba7f
# git clean -qxdf
# < git log -1
# commit 701c09c988bd60d950d49c48993b6c06efbfba7f
# Merge: 002322402daf c1d6abdac46c
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Mar 25 15:38:22 2021 -0700
# 
#     Merge tag 'for-5.12-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
#     
#     Pull btrfs fixes from David Sterba:
#      "Fixes for issues that have some user visibility and are simple enough
#       for this time of development cycle:
#     
#        - a few fixes for rescue= mount option, adding more checks for
#          missing trees
#     
#        - fix sleeping in atomic context on qgroup deletion
#     
#        - fix subvolume deletion on mount
#     
#        - fix build with M= syntax
#     
#        - fix checksum mismatch error message for direct io"
#     
#     * tag 'for-5.12-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
#       btrfs: fix check_data_csum() error message for direct I/O
#       btrfs: fix sleep while in non-sleep context during qgroup removal
#       btrfs: fix subvolume/snapshot deletion not triggered on mount
#       btrfs: fix build when using M=fs/btrfs
#       btrfs: do not initialize dev replace for bad dev root
#       btrfs: initialize device::fs_info always
#       btrfs: do not initialize dev stats if we have no dev_root
#       btrfs: zoned: remove outdated WARN_ON in direct IO
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-ld --version
# < git log --format=%s --max-count=1 701c09c988bd60d950d49c48993b6c06efbfba7f
# < make -s -j 10 ARCH=sh O=/kisskb/build/linus_sh7710voipgw_defconfig_sh4-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-  sh7710voipgw_defconfig
# < make -s -j 10 ARCH=sh O=/kisskb/build/linus_sh7710voipgw_defconfig_sh4-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-  help
# make -s -j 10 ARCH=sh O=/kisskb/build/linus_sh7710voipgw_defconfig_sh4-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-  olddefconfig
# make -s -j 10 ARCH=sh O=/kisskb/build/linus_sh7710voipgw_defconfig_sh4-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-  
  Generating include/generated/machtypes.h
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
/kisskb/src/arch/sh/kernel/traps.c: In function 'nmi_trap_handler':
/kisskb/src/arch/sh/kernel/traps.c:183:15: warning: unused variable 'cpu' [-Wunused-variable]
  unsigned int cpu = smp_processor_id();
               ^
/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-ld: kernel/sched/core.o: uses dsp instructions while previous modules use floating point instructions
/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-ld: kernel/sched/core.o: uses instructions which are incompatible with instructions used in previous modules
/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-ld: failed to merge target specific data of file kernel/sched/core.o
make[1]: *** [/kisskb/src/Makefile:1199: vmlinux] Error 1
make: *** [Makefile:215: __sub-make] Error 2
Command 'make -s -j 10 ARCH=sh O=/kisskb/build/linus_sh7710voipgw_defconfig_sh4-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/sh4-linux/bin/sh4-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_sh7710voipgw_defconfig_sh4-gcc4.9
# Build took: 0:00:43.753669