# git rev-parse -q --verify 645c248d6fc4350562766fefd8ba1d7defe4b5e7^{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 645c248d6fc4350562766fefd8ba1d7defe4b5e7^{commit}
645c248d6fc4350562766fefd8ba1d7defe4b5e7
# git checkout -q -f -B kisskb 645c248d6fc4350562766fefd8ba1d7defe4b5e7
# git clean -qxdf
# < git log -1
# commit 645c248d6fc4350562766fefd8ba1d7defe4b5e7
# Merge: 018d21f5c58c f460c5027473
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Mar 31 14:30:10 2020 -0700
# 
#     Merge tag '5.7-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6
#     
#     Pull cifs updates from Steve French:
#      "First part of cifs/smb3 changes for merge window (others are still
#       being tested). Various RDMA (smbdirect) fixes, addition of SMB3.1.1
#       POSIX support in readdir, 3 fixes for stable, and a fix for flock.
#     
#       Summary:
#     
#       New feature:
#        - SMB3.1.1 POSIX support in readdir
#     
#       Fixes:
#        - various RDMA (smbdirect) fixes
#        - fix for flock
#        - fallocate fix
#        - some improved mount warnings
#        - two timestamp related fixes
#        - reconnect fix
#        - three fixes for stable"
#     
#     * tag '5.7-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6: (28 commits)
#       cifs: update internal module version number
#       cifs: Allocate encryption header through kmalloc
#       cifs: smbd: Check and extend sender credits in interrupt context
#       cifs: smbd: Calculate the correct maximum packet size for segmented SMBDirect send/receive
#       smb3: use SMB2_SIGNATURE_SIZE define
#       CIFS: Fix bug which the return value by asynchronous read is error
#       CIFS: check new file size when extending file by fallocate
#       SMB3: Minor cleanup of protocol definitions
#       SMB3: Additional compression structures
#       SMB3: Add new compression flags
#       cifs: smb2pdu.h: Replace zero-length array with flexible-array member
#       cifs: clear PF_MEMALLOC before exiting demultiplex thread
#       cifs: cifspdu.h: Replace zero-length array with flexible-array member
#       CIFS: Warn less noisily on default mount
#       fs/cifs: fix gcc warning in sid_to_id
#       cifs: allow unlock flock and OFD lock across fork
#       cifs: do d_move in rename
#       cifs: add SMB2_open() arg to return POSIX data
#       cifs: plumb smb2 POSIX dir enumeration
#       cifs: add smb2 POSIX info level
#       ...
# < /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 645c248d6fc4350562766fefd8ba1d7defe4b5e7
# < make -s -j 8 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=0x26F2F26C
# 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_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  help
# make -s -j 8 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-  olddefconfig
.config:5712:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 8 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:310: checkbin] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:180: sub-make] Error 2
Command 'make -s -j 8 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: 0:00:15.528990