Using -Oline -j 96 W=1 redirect to /tmp/tmp.btWzkQZPGQ and /tmp/tmp.iw6jNDylgE LLVM=1 cc="ccache clang" clang version 21.1.8 (Fedora 21.1.8-4.fc43) Tree base: 53bdf636ebf1 ("net/sched: cls_fw: fix NULL pointer dereference on shared blocks") Skip baseline build, not the first patch and no Kconfig updates Building the tree before the patch make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang' GEN Makefile # # configuration written to .config # make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_clang' SYNC include/config/auto.conf GEN Makefile GEN Makefile DESCEND objtool CALL ../scripts/checksyscalls.sh INSTALL libsubcmd_headers CC [M] net/sched/cls_flow.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1321) LD [M] net/sched/cls_flow.ko Building the tree with the patch make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_clang' GEN Makefile # # configuration written to .config # make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_clang' SYNC include/config/auto.conf GEN Makefile GEN Makefile DESCEND objtool CALL ../scripts/checksyscalls.sh INSTALL libsubcmd_headers CC [M] net/sched/cls_flow.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1321) CC [M] net/sched/cls_flow.mod.o LD [M] net/sched/cls_flow.ko