Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.E8jqFzx8HT and /tmp/tmp.HchCVGWpwT
CC=ccache gcc
gcc (GCC) 14.2.1 20250110 (Red Hat 14.2.1-7)
Tree base:
0784d83df3bf ("ndisc: ndisc_send_redirect() cleanup")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-1/build_allmodconfig_warn/tools/objtool && make O=/home/nipa/net-next/wt-1/build_allmodconfig_warn subdir=tools/objtool --no-print-directory -C objtool 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.o
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.o
  CC [M]  drivers/net/netdevsim/health.o
  CC [M]  drivers/net/netdevsim/ethtool.o
  CC [M]  drivers/net/netdevsim/hwstats.o
  CC [M]  drivers/net/netdevsim/udp_tunnels.o
  CC [M]  drivers/net/netdevsim/psample.o
  CC [M]  drivers/net/netdevsim/bus.o
  CC [M]  drivers/net/netdevsim/macsec.o
  CC [M]  drivers/net/netdevsim/ipsec.o
  CHECK   ../drivers/net/netdevsim/health.c
  CHECK   ../drivers/net/netdevsim/ethtool.c
  CC [M]  drivers/net/netdevsim/bpf.o
  CHECK   ../drivers/net/netdevsim/hwstats.c
  CC [M]  drivers/net/netdevsim/netdev.o
  CHECK   ../drivers/net/netdevsim/udp_tunnels.c
  CHECK   ../drivers/net/netdevsim/psample.c
  CHECK   ../drivers/net/netdevsim/bus.c
  CHECK   ../drivers/net/netdevsim/macsec.c
  CC [M]  drivers/net/netdevsim/dev.o
  CHECK   ../drivers/net/netdevsim/ipsec.c
  CHECK   ../drivers/net/netdevsim/bpf.c
  CHECK   ../drivers/net/netdevsim/netdev.c
  CHECK   ../drivers/net/netdevsim/dev.c
  CC [M]  drivers/net/netdevsim/fib.o
  CHECK   ../drivers/net/netdevsim/fib.c
  LD [M]  drivers/net/netdevsim/netdevsim.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#4453)
  CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.mod.o
  CC [M]  drivers/net/netdevsim/netdevsim.mod.o
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.ko
  LD [M]  drivers/net/netdevsim/netdevsim.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-1/build_allmodconfig_warn/tools/objtool && make O=/home/nipa/net-next/wt-1/build_allmodconfig_warn subdir=tools/objtool --no-print-directory -C objtool 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/netdevsim/netdev.o
  CC [M]  drivers/net/netdevsim/dev.o
  CC [M]  drivers/net/netdevsim/ethtool.o
  CC [M]  drivers/net/netdevsim/fib.o
  CC [M]  drivers/net/netdevsim/bus.o
  CC [M]  drivers/net/netdevsim/health.o
  CC [M]  drivers/net/netdevsim/hwstats.o
  CC [M]  drivers/net/netdevsim/udp_tunnels.o
  CC [M]  drivers/net/netdevsim/bpf.o
  CC [M]  drivers/net/netdevsim/ipsec.o
  CC [M]  drivers/net/netdevsim/psample.o
  CC [M]  drivers/net/netdevsim/macsec.o
  CHECK   ../drivers/net/netdevsim/netdev.c
  CHECK   ../drivers/net/netdevsim/ethtool.c
  CHECK   ../drivers/net/netdevsim/dev.c
  CHECK   ../drivers/net/netdevsim/bus.c
  CHECK   ../drivers/net/netdevsim/udp_tunnels.c
  CHECK   ../drivers/net/netdevsim/bpf.c
  CHECK   ../drivers/net/netdevsim/hwstats.c
  CHECK   ../drivers/net/netdevsim/psample.c
  CHECK   ../drivers/net/netdevsim/ipsec.c
  CHECK   ../drivers/net/netdevsim/macsec.c
  CHECK   ../drivers/net/netdevsim/health.c
  CHECK   ../drivers/net/netdevsim/fib.c
  LD [M]  drivers/net/netdevsim/netdevsim.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#4453)
  CC [M]  drivers/net/netdevsim/netdevsim.mod.o
  LD [M]  drivers/net/netdevsim/netdevsim.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
mkdir -p /home/nipa/net-next/wt-1/build_allmodconfig_warn/tools/objtool && make O=/home/nipa/net-next/wt-1/build_allmodconfig_warn subdir=tools/objtool --no-print-directory -C objtool 
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
  CC [M]  drivers/net/netdevsim/netdev.o
  CC [M]  drivers/net/netdevsim/dev.o
  CC [M]  drivers/net/netdevsim/ethtool.o
  CC [M]  drivers/net/netdevsim/fib.o
  CC [M]  drivers/net/netdevsim/bus.o
  CC [M]  drivers/net/netdevsim/health.o
  CC [M]  drivers/net/netdevsim/hwstats.o
  CC [M]  drivers/net/netdevsim/udp_tunnels.o
  CC [M]  drivers/net/netdevsim/bpf.o
  CC [M]  drivers/net/netdevsim/ipsec.o
  CC [M]  drivers/net/netdevsim/psample.o
  CC [M]  drivers/net/netdevsim/macsec.o
  CHECK   ../drivers/net/netdevsim/netdev.c
  CHECK   ../drivers/net/netdevsim/health.c
  CHECK   ../drivers/net/netdevsim/ethtool.c
  CHECK   ../drivers/net/netdevsim/udp_tunnels.c
  CHECK   ../drivers/net/netdevsim/hwstats.c
  CHECK   ../drivers/net/netdevsim/psample.c
  CHECK   ../drivers/net/netdevsim/dev.c
  CHECK   ../drivers/net/netdevsim/bus.c
  CHECK   ../drivers/net/netdevsim/fib.c
  CHECK   ../drivers/net/netdevsim/ipsec.c
  CHECK   ../drivers/net/netdevsim/bpf.c
  CHECK   ../drivers/net/netdevsim/macsec.c
  LD [M]  drivers/net/netdevsim/netdevsim.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#4453)
  CC [M]  drivers/net/netdevsim/netdevsim.mod.o
  LD [M]  drivers/net/netdevsim/netdevsim.ko