Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.KKSpdQMt9H and /tmp/tmp.ys6gKYuCH8
CC=ccache gcc
gcc (GCC) 13.2.1 20231205 (Red Hat 13.2.1-6)
Tree base:
121faa6b9ca6 ("net: introduce OpenVPN Data Channel Offload (ovpn)")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  HDRINST usr/include/linux/ovpn.h
  CALL    ../scripts/checksyscalls.sh
  HDRTEST usr/include/linux/ovpn.h
  CC [M]  drivers/net/ovpn/netlink.o
  CC [M]  drivers/net/ovpn/main.o
  CHECK   ../drivers/net/ovpn/main.c
  CHECK   ../drivers/net/ovpn/netlink.c
  LD [M]  drivers/net/ovpn/ovpn.o
  CHK     kernel/kheaders_data.tar.xz
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  CHECK   ../kernel/kheaders.c
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#32)
  LD [M]  kernel/kheaders.ko
  CC [M]  drivers/net/ovpn/ovpn.mod.o
  LD [M]  drivers/net/ovpn/ovpn.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  REMOVE  usr/include/linux/ovpn.h
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ovpn/main.o
  CHECK   ../drivers/net/ovpn/main.c
  LD [M]  drivers/net/ovpn/ovpn.o
  CHK     kernel/kheaders_data.tar.xz
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  CHECK   ../kernel/kheaders.c
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#32)
  LD [M]  kernel/kheaders.ko
  CC [M]  drivers/net/ovpn/ovpn.mod.o
  LD [M]  drivers/net/ovpn/ovpn.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  HDRINST usr/include/linux/ovpn.h
  CALL    ../scripts/checksyscalls.sh
  HDRTEST usr/include/linux/ovpn.h
  CC [M]  drivers/net/ovpn/main.o
  CC [M]  drivers/net/ovpn/netlink.o
  CHECK   ../drivers/net/ovpn/main.c
  CHECK   ../drivers/net/ovpn/netlink.c
  LD [M]  drivers/net/ovpn/ovpn.o
  CHK     kernel/kheaders_data.tar.xz
  GEN     kernel/kheaders_data.tar.xz
  CC [M]  kernel/kheaders.o
  CHECK   ../kernel/kheaders.c
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#32)
  LD [M]  kernel/kheaders.ko
  CC [M]  drivers/net/ovpn/ovpn.mod.o
  LD [M]  drivers/net/ovpn/ovpn.ko