Using -Oline -j 96 W=1 C=1 redirect to /tmp/tmp.qPiKdM6xz0 and /tmp/tmp.M5wh0idGLe
CC=ccache gcc
gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7)
Tree base:
c29c8f254e03 ("dt-bindings: net: renesas,rzv2h-gbeth: Document Renesas RZ/G3L SoC")
Skip baseline build, not the first patch and no Kconfig updates
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-1/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.o
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#252)
  LD [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-1/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.o
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#252)
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.mod.o
  LD [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.ko