# git rev-parse -q --verify 9f4ad9e425a1d3b6a34617b8ea226d56a119a717^{commit}
9f4ad9e425a1d3b6a34617b8ea226d56a119a717
already have revision, skipping fetch
# git checkout -q -f -B kisskb 9f4ad9e425a1d3b6a34617b8ea226d56a119a717
# git clean -qxdf
# < git log -1
# commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Apr 25 13:49:08 2021 -0700
# 
#     Linux 5.12
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 9f4ad9e425a1d3b6a34617b8ea226d56a119a717
# < make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# < make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/x86_64-linux/bin/x86_64-linux-  
/kisskb/src/kernel/static_call.c: In function '__static_call_update':
/kisskb/src/kernel/static_call.c:153:18: warning: unused variable 'mod' [-Wunused-variable]
   struct module *mod = site_mod->mod;
                  ^
Completed OK
# rm -rf /kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.9
# Build took: 0:00:19.890175