# git rev-parse -q --verify ad801428366ebbd541a5b8a1bf4d8b57ee7a8200^{commit}
ad801428366ebbd541a5b8a1bf4d8b57ee7a8200
already have revision, skipping fetch
# git checkout -q -f -B kisskb ad801428366ebbd541a5b8a1bf4d8b57ee7a8200
# git clean -qxdf
# < git log -1
# commit ad801428366ebbd541a5b8a1bf4d8b57ee7a8200
# Merge: e17ac02b18c6 d55966c4279b
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Feb 3 17:03:42 2020 +0000
# 
#     Merge tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
#     
#     Pull more btrfs updates from David Sterba:
#      "Fixes that arrived after the merge window freeze, mostly stable
#       material.
#     
#        - fix race in tree-mod-log element tracking
#     
#        - fix bio flushing inside extent writepages
#     
#        - fix assertion when in-memory tracking of discarded extents finds an
#          empty tree (eg. after adding a new device)
#     
#        - update logic of temporary read-only block groups to take into
#          account overcommit
#     
#        - fix some fixup worker corner cases:
#            - page could not go through proper COW cycle and the dirty status
#              is lost due to page migration
#            - deadlock if delayed allocation is performed under page lock
#     
#        - fix send emitting invalid clones within the same file
#     
#        - fix statfs reporting 0 free space when global block reserve size is
#          larger than remaining free space but there is still space for new
#          chunks"
#     
#     * tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
#       btrfs: do not zero f_bavail if we have available space
#       Btrfs: send, fix emission of invalid clone operations within the same file
#       btrfs: do not do delalloc reservation under page lock
#       btrfs: drop the -EBUSY case in __extent_writepage_io
#       Btrfs: keep pages dirty when using btrfs_writepage_fixup_worker
#       btrfs: take overcommit into account in inc_block_group_ro
#       btrfs: fix force usage in inc_block_group_ro
#       btrfs: Correctly handle empty trees in find_first_clear_extent_bit
#       btrfs: flush write bio if we loop in extent_write_cache_pages
#       Btrfs: fix race between adding and putting tree mod seq elements and nodes
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 ad801428366ebbd541a5b8a1bf4d8b57ee7a8200
# < make -s -j 80 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  randconfig
KCONFIG_SEED=0xF2DFB485
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n
# Added to kconfig CONFIG_GCC_PLUGINS=n
# Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n
# Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n
# Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n
# yes \n | make -s -j 80 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 80 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  
You are building kernel with non-retpoline compiler.
Please update your compiler.
make[1]: *** [arch/x86/Makefile:309: checkbin] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 80 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_x86_64-randconfig_um-x86_64
# Build took: 0:00:11.077147