Using -Oline -j 72 W=1 redirect to /tmp/tmp.JBnUB7uwTf and /tmp/tmp.h2FIDYcAPn
CC=ccache gcc
gcc (GCC) 15.2.1 20250808 (Red Hat 15.2.1-1)
Tree base:
7f0fddd817ba ("net: core: fix lockdep splat on device unregister")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/dsa/tag_brcm.o
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en_tx.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1669)
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko
  CC [M]  net/dsa/tag_brcm.mod.o
  LD [M]  net/dsa/tag_brcm.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/dsa/tag_brcm.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1669)
  CC [M]  net/dsa/tag_brcm.mod.o
  LD [M]  net/dsa/tag_brcm.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/dsa/tag_brcm.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1669)
  CC [M]  net/dsa/tag_brcm.mod.o
  LD [M]  net/dsa/tag_brcm.ko