# git rev-parse -q --verify 20fbb11fe4ea99e02d77824613f1438bea456683^{commit}
20fbb11fe4ea99e02d77824613f1438bea456683
already have revision, skipping fetch
# git checkout -q -f -B kisskb 20fbb11fe4ea99e02d77824613f1438bea456683
# git clean -qxdf
# < git log -1
# commit 20fbb11fe4ea99e02d77824613f1438bea456683
# Author: Stephen Rothwell <sfr@canb.auug.org.au>
# Date:   Mon Sep 6 15:47:02 2021 +1000
# 
#     don't make the syscall checking produce errors from warnings
#     
#     Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /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 20fbb11fe4ea99e02d77824613f1438bea456683
# < make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# < make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help
# make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig
# make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
/kisskb/src/arch/x86/um/Makefile:44: FORCE prerequisite is missing
/kisskb/src/block/mq-deadline.c:274:12: error: 'dd_queued' defined but not used [-Werror=unused-function]
 static u32 dd_queued(struct deadline_data *dd, enum dd_prio prio)
            ^
cc1: all warnings being treated as errors
make[2]: *** [/kisskb/src/scripts/Makefile.build:277: block/mq-deadline.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1872: block] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:219: __sub-make] Error 2
Command 'make -s -j 32 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:25.035034