Using -Oline -j 72 W=1 redirect to /tmp/tmp.gQO7nZNIP3 and /tmp/tmp.AjjLu01gvT CC=ccache gcc gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2) Tree base: 9b60ec11b13f ("net: phylink: add lock for serializing concurrent pl->phydev writes with resolver") 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/phy/phylink.o CC [M] drivers/net/phy/phy.o LD [M] drivers/net/phy/libphy.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1363) LD [M] drivers/net/phy/phylink.ko LD [M] drivers/net/phy/libphy.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/phy/phy.o LD [M] drivers/net/phy/libphy.o CC [M] drivers/net/phy/phylink.o MODPOST Module.symvers Kernel: arch/x86/boot/bzImage is ready (#1363) CC [M] drivers/net/phy/libphy.mod.o CC [M] drivers/net/phy/phylink.mod.o LD [M] drivers/net/phy/phylink.ko LD [M] drivers/net/phy/libphy.ko