Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.WC9TYg0Pg8 and /tmp/tmp.LSi4YezVZR
CC=ccache gcc
gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
Tree base:
264f21746cdd ("net/mlx5: Prevent flow steering mode changes in switchdev mode")
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_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en_main.o
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.o
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.o
  CHECK   ../drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
  CHECK   ../drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
  CHECK   ../drivers/net/ethernet/mellanox/mlx5/core/en_main.c
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1281)
  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_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.o
  CHECK   ../drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.o
  CHECK   ../drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en_main.o
  CHECK   ../drivers/net/ethernet/mellanox/mlx5/core/en_main.c
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1281)
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko