Using -Oline -j 72 W=1 redirect to /tmp/tmp.sjScmB6GMl and /tmp/tmp.4a7iYnTU1s
CC=ccache gcc
gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
Tree base:
f7d4955dc37a ("net: macb: move bp->hw_dma_cap flags to bp->caps")
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
  CC [M]  drivers/net/ethernet/cadence/macb_ptp.o
  CC [M]  drivers/net/ethernet/cadence/macb_pci.o
  LD [M]  drivers/net/ethernet/cadence/macb.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1216)
  LD [M]  drivers/net/ethernet/cadence/macb.ko
  LD [M]  drivers/net/ethernet/cadence/macb_pci.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_pci.o
  CC [M]  drivers/net/ethernet/cadence/macb_ptp.o
  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  (#1216)
  CC [M]  drivers/net/ethernet/cadence/macb_pci.mod.o
  CC [M]  drivers/net/ethernet/cadence/macb.mod.o
  LD [M]  drivers/net/ethernet/cadence/macb.ko
  LD [M]  drivers/net/ethernet/cadence/macb_pci.ko