# git rev-parse -q --verify 086ba2ec163b638abd2a90ef3e8bab0238d02e56^{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 086ba2ec163b638abd2a90ef3e8bab0238d02e56^{commit}
086ba2ec163b638abd2a90ef3e8bab0238d02e56
# git checkout -q -f -B kisskb 086ba2ec163b638abd2a90ef3e8bab0238d02e56
# git clean -qxdf
# < git log -1
# commit 086ba2ec163b638abd2a90ef3e8bab0238d02e56
# Merge: 8c2618a6d0f7 828add774f0d
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Aug 10 18:33:22 2020 -0700
# 
#     Merge tag 'f2fs-for-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
#     
#     Pull f2fs updates from Jaegeuk Kim:
#      "In this round, we've added two small interfaces: (a) GC_URGENT_LOW
#       mode for performance and (b) F2FS_IOC_SEC_TRIM_FILE ioctl for
#       security.
#     
#       The new GC mode allows Android to run some lower priority GCs in
#       background, while new ioctl discards user information without race
#       condition when the account is removed.
#     
#       In addition, some patches were merged to address latency-related
#       issues. We've fixed some compression-related bug fixes as well as edge
#       race conditions.
#     
#       Enhancements:
#        - add GC_URGENT_LOW mode in gc_urgent
#        - introduce F2FS_IOC_SEC_TRIM_FILE ioctl
#        - bypass racy readahead to improve read latencies
#        - shrink node_write lock coverage to avoid long latency
#     
#       Bug fixes:
#        - fix missing compression flag control, i_size, and mount option
#        - fix deadlock between quota writes and checkpoint
#        - remove inode eviction path in synchronous path to avoid deadlock
#        - fix to wait GCed compressed page writeback
#        - fix a kernel panic in f2fs_is_compressed_page
#        - check page dirty status before writeback
#        - wait page writeback before update in node page write flow
#        - fix a race condition between f2fs_write_end_io and f2fs_del_fsync_node_entry
#     
#       We've added some minor sanity checks and refactored trivial code
#       blocks for better readability and debugging information"
#     
#     * tag 'f2fs-for-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (52 commits)
#       f2fs: prepare a waiter before entering io_schedule
#       f2fs: update_sit_entry: Make the judgment condition of f2fs_bug_on more intuitive
#       f2fs: replace test_and_set/clear_bit() with set/clear_bit()
#       f2fs: make file immutable even if releasing zero compression block
#       f2fs: compress: disable compression mount option if compression is off
#       f2fs: compress: add sanity check during compressed cluster read
#       f2fs: use macro instead of f2fs verity version
#       f2fs: fix deadlock between quota writes and checkpoint
#       f2fs: correct comment of f2fs_exist_written_data
#       f2fs: compress: delay temp page allocation
#       f2fs: compress: fix to update isize when overwriting compressed file
#       f2fs: space related cleanup
#       f2fs: fix use-after-free issue
#       f2fs: Change the type of f2fs_flush_inline_data() to void
#       f2fs: add F2FS_IOC_SEC_TRIM_FILE ioctl
#       f2fs: should avoid inode eviction in synchronous path
#       f2fs: segment.h: delete a duplicated word
#       f2fs: compress: fix to avoid memory leak on cc->cpages
#       f2fs: use generic names for generic ioctls
#       f2fs: don't keep meta inode pages used for compressed block migration
#       ...
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 086ba2ec163b638abd2a90ef3e8bab0238d02e56
# < make -s -j 8 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  randconfig
KCONFIG_SEED=0xADBD5BAE
# 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
# < make -s -j 8 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 8 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
.config:4956:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 8 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  
vmlinux.o: warning: objtool: do_machine_check()+0x48: call to mce_rdmsrl() leaves .noinstr.text section
vmlinux.o: warning: objtool: lock_is_held_type()+0x3f: call to check_flags.part.60() leaves .noinstr.text section
Completed OK
# rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8
# Build took: 0:05:27.977947