Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.UKaZL4J50z and /tmp/tmp.TeAgd6ZPPL
CC=ccache gcc
gcc (GCC) 13.2.1 20230918 (Red Hat 13.2.1-3)
Tree base:
656030a5fdc7 ("net: annotate data-races around dev->name_assign_type")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  net/ipv4/ip_tunnel.o
  CHECK   ../net/ipv4/ip_tunnel.c
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#35503)
  CC [M]  net/ipv4/ip_tunnel.mod.o
  LD [M]  net/ipv4/ip_tunnel.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/ipv4/ip_tunnel.o
  CHECK   ../net/ipv4/ip_tunnel.c
  CHK     kernel/kheaders_data.tar.xz
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#35503)
  CC [M]  net/ipv4/ip_tunnel.mod.o
  LD [M]  net/ipv4/ip_tunnel.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/ipv4/ip_tunnel.o
  CHECK   ../net/ipv4/ip_tunnel.c
  CHK     kernel/kheaders_data.tar.xz
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#35503)
  CC [M]  net/ipv4/ip_tunnel.mod.o
  LD [M]  net/ipv4/ip_tunnel.ko