# git rev-parse -q --verify dfef313e999058530396497fd41399c0a637c188^{commit}
dfef313e999058530396497fd41399c0a637c188
already have revision, skipping fetch
# git checkout -q -f -B kisskb dfef313e999058530396497fd41399c0a637c188
# git clean -qxdf
# < git log -1
# commit dfef313e999058530396497fd41399c0a637c188
# Merge: 11e3235b4399 915f4c9358db
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Oct 13 09:09:42 2020 -0700
# 
#     Merge tag 'erofs-for-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
#     
#     Pull erofs updates from Gao Xiang:
#      "This cycle addresses a reported permission issue with overlay due to a
#       duplicated permission check for "trusted." xattrs. Also, a REQ_RAHEAD
#       flag is added now to all readahead requests in order to trace
#       readahead I/Os. The others are random cleanups.
#     
#       All commits have been tested and have been in linux-next as well.
#     
#       Summary:
#     
#        - fix an issue which can cause overlay permission problem due to
#          duplicated permission check for "trusted." xattrs;
#     
#        - add REQ_RAHEAD flag to readahead requests for blktrace;
#     
#        - several random cleanup"
#     
#     * tag 'erofs-for-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
#       erofs: remove unnecessary enum entries
#       erofs: add REQ_RAHEAD flag to readahead requests
#       erofs: fold in should_decompress_synchronously()
#       erofs: avoid unnecessary variable `err'
#       erofs: remove unneeded parameter
#       erofs: avoid duplicated permission check for "trusted." xattrs
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 dfef313e999058530396497fd41399c0a637c188
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  44x/fsp2_defconfig
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_44x_fsp2_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
INFO: Uncompressed kernel (size 0xa1a99c) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xb00000)
Image Name:   Linux-5.9.0-51357-gdfef313e9990
Created:      Wed Oct 14 04:55:34 2020
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    4495205 Bytes = 4389.85 KiB = 4.29 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/linus_44x_fsp2_defconfig_powerpc-gcc5
# Build took: 0:01:08.738652