Using -Oline -j 72 W=1 redirect to /tmp/tmp.fh47ztVXAz and /tmp/tmp.ErtZGurK7Q CC=ccache gcc gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2) Tree base: 8baa8956baff ("net: macb: single dma_alloc_coherent() for DMA descriptors") 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_32bit' GEN Makefile # # configuration written to .config # make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit' SYNC include/config/auto.conf GEN Makefile GEN Makefile CALL ../scripts/checksyscalls.sh CC [M] drivers/net/ethernet/cadence/macb_main.o LD [M] drivers/net/ethernet/cadence/macb.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1417) LD [M] drivers/net/ethernet/cadence/macb.ko Building the tree with the patch make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit' GEN Makefile # # configuration written to .config # make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit' SYNC include/config/auto.conf GEN Makefile GEN Makefile CALL ../scripts/checksyscalls.sh CC [M] drivers/net/ethernet/cadence/macb_main.o LD [M] drivers/net/ethernet/cadence/macb.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1417) CC [M] drivers/net/ethernet/cadence/macb.mod.o LD [M] drivers/net/ethernet/cadence/macb.ko