Using -Oline -j 72 W=1 redirect to /tmp/tmp.lPtc82oHtS and /tmp/tmp.vLF8CFZOcp
CC=ccache gcc
gcc (GCC) 15.1.1 20250425 (Red Hat 15.1.1-1)
Tree base:
5cdb2c77c4c3 ("Merge tag 'net-6.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net")
Baseline building the tree
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/airoha/airoha_eth.o
  LD [M]  drivers/net/ethernet/airoha/airoha-eth.o
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/vport.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#676)
  CC [M]  drivers/net/ethernet/airoha/airoha-eth.mod.o
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  LD [M]  drivers/net/ethernet/airoha/airoha-eth.ko
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko
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
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/vport.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#676)
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.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
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/vport.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#676)
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko