# git rev-parse -q --verify b1b11d0063aab28aaf65f63cff56470bc01dc290^{commit}
b1b11d0063aab28aaf65f63cff56470bc01dc290
already have revision, skipping fetch
# git checkout -q -f -B kisskb b1b11d0063aab28aaf65f63cff56470bc01dc290
# git clean -qxdf
# < git log -1
# commit b1b11d0063aab28aaf65f63cff56470bc01dc290
# Merge: 1bfde037425d 775802c0571f
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jul 10 09:45:15 2020 -0700
# 
#     Merge tag 'cleanup-kernel_read_write' of git://git.infradead.org/users/hch/misc
#     
#     Pull in-kernel read and write op cleanups from Christoph Hellwig:
#      "Cleanup in-kernel read and write operations
#     
#       Reshuffle the (__)kernel_read and (__)kernel_write helpers, and ensure
#       all users of in-kernel file I/O use them if they don't use iov_iter
#       based methods already.
#     
#       The new WARN_ONs in combination with syzcaller already found a missing
#       input validation in 9p. The fix should be on your way through the
#       maintainer ASAP".
#     
#     [ This is prep-work for the real changes coming 5.9 ]
#     
#     * tag 'cleanup-kernel_read_write' of git://git.infradead.org/users/hch/misc:
#       fs: remove __vfs_read
#       fs: implement kernel_read using __kernel_read
#       integrity/ima: switch to using __kernel_read
#       fs: add a __kernel_read helper
#       fs: remove __vfs_write
#       fs: implement kernel_write using __kernel_write
#       fs: check FMODE_WRITE in __kernel_write
#       fs: unexport __kernel_write
#       bpfilter: switch to kernel_write
#       autofs: switch to kernel_write
#       cachefiles: switch to kernel_write
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux-ld --version
# < git log --format=%s --max-count=1 b1b11d0063aab28aaf65f63cff56470bc01dc290
# < make -s -j 48 ARCH=mips O=/kisskb/build/linus_mips-allnoconfig_mips-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux-  allnoconfig
# < make -s -j 48 ARCH=mips O=/kisskb/build/linus_mips-allnoconfig_mips-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux-  help
# make -s -j 48 ARCH=mips O=/kisskb/build/linus_mips-allnoconfig_mips-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux-  olddefconfig
# make -s -j 48 ARCH=mips O=/kisskb/build/linus_mips-allnoconfig_mips-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/mips-linux/bin/mips-linux-  
FIT description: Linux 5.8.0-rc4+
Created:         Sat Jul 11 05:37:26 2020
 Image 0 (kernel@0)
  Description:  Linux 5.8.0-rc4+
  Created:      Sat Jul 11 05:37:26 2020
  Type:         Kernel Image
  Compression:  gzip compressed
  Data Size:    670195 Bytes = 654.49 KiB = 0.64 MiB
  Architecture: MIPS
  OS:           Linux
  Load Address: 0x80100000
  Entry Point:  0x8022b4ec
  Hash algo:    sha1
  Hash value:   9db64e329f2c95ac4adf32267f855d3c3eb64688
 Default Configuration: 'conf@default'
 Configuration 0 (conf@default)
  Description:  Generic Linux kernel
  Kernel:       kernel@0
Completed OK
# rm -rf /kisskb/build/linus_mips-allnoconfig_mips-gcc4.9
# Build took: 0:00:17.340780