Using -Oline -j 72 W=1 redirect to /tmp/tmp.hMw7ww80Ab and /tmp/tmp.zN5RB2MySf
CC=ccache gcc
gcc (GCC) 15.2.1 20250808 (Red Hat 15.2.1-1)
Tree base:
a450a9b41c76 ("net: airoha: Select default ppe cpu port in airoha_dev_init()")
Skip baseline build, not the first patch and no Kconfig updates
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/airoha/airoha_eth.o
  CC [M]  drivers/net/ethernet/airoha/airoha_ppe.o
  CC [M]  drivers/net/ethernet/airoha/airoha_ppe_debugfs.o
  CC [M]  drivers/net/ethernet/airoha/airoha_npu.o
  LD [M]  drivers/net/ethernet/airoha/airoha-eth.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7153)
  LD [M]  drivers/net/ethernet/airoha/airoha-eth.ko
  LD [M]  drivers/net/ethernet/airoha/airoha_npu.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/airoha/airoha_ppe_debugfs.o
  CC [M]  drivers/net/ethernet/airoha/airoha_npu.o
  CC [M]  drivers/net/ethernet/airoha/airoha_ppe.o
  CC [M]  drivers/net/ethernet/airoha/airoha_eth.o
  LD [M]  drivers/net/ethernet/airoha/airoha-eth.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7153)
  CC [M]  drivers/net/ethernet/airoha/airoha-eth.mod.o
  CC [M]  drivers/net/ethernet/airoha/airoha_npu.mod.o
  LD [M]  drivers/net/ethernet/airoha/airoha-eth.ko
  LD [M]  drivers/net/ethernet/airoha/airoha_npu.ko