Using -Oline -j 72 W=1 redirect to /tmp/tmp.bPw3m7ipS5 and /tmp/tmp.R7MR4cDpaU LLVM=1 cc=clang clang version 20.1.6 (Fedora 20.1.6-1.fc42) Tree base: b0b4f9ac9a4a ("virtio-net: create a helper to check received mergeable buffer's length") Skip baseline build, not the first patch and no Kconfig updates Building the tree before the patch make[1]: Entering directory '/home/nipa/net/wt-0/build_clang' GEN Makefile # # configuration written to .config # make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang' SYNC include/config/auto.conf GEN Makefile GEN Makefile DESCEND objtool INSTALL libsubcmd_headers CALL ../scripts/checksyscalls.sh CHK kernel/kheaders_data.tar.xz CC [M] drivers/net/virtio_net.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#889) LD [M] drivers/net/virtio_net.ko Building the tree with the patch make[1]: Entering directory '/home/nipa/net/wt-0/build_clang' GEN Makefile # # configuration written to .config # make[1]: Leaving directory '/home/nipa/net/wt-0/build_clang' SYNC include/config/auto.conf GEN Makefile GEN Makefile DESCEND objtool INSTALL libsubcmd_headers CALL ../scripts/checksyscalls.sh CHK kernel/kheaders_data.tar.xz CC [M] drivers/net/virtio_net.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#889) CC [M] drivers/net/virtio_net.mod.o LD [M] drivers/net/virtio_net.ko