# git rev-parse -q --verify 7f75285ca572eaabc028cf78c6ab5473d0d160be^{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 7f75285ca572eaabc028cf78c6ab5473d0d160be^{commit}
7f75285ca572eaabc028cf78c6ab5473d0d160be
# git checkout -q -f -B kisskb 7f75285ca572eaabc028cf78c6ab5473d0d160be
# git clean -qxdf
# < git log -1
# commit 7f75285ca572eaabc028cf78c6ab5473d0d160be
# Merge: 8e2e0104ef78 8ca7cab82bda
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Apr 14 13:23:54 2021 -0700
# 
#     Merge tag 'for-5.12/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
#     
#     Pull device mapper fix from Mike Snitzer:
#      "Fix DM verity target FEC support's RS roots IO to always be aligned.
#     
#       This fixes a previous stable@ fix that overcorrected for a different
#       configuration that also resulted in misaligned roots IO"
#     
#     * tag 'for-5.12/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
#       dm verity fec: fix misaligned RS roots IO
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 7f75285ca572eaabc028cf78c6ab5473d0d160be
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  randconfig
KCONFIG_SEED=0x10364470
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  help
# make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  olddefconfig
.config:7125:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:05:29.516164