Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.JfOwcTDMP2 and /tmp/tmp.Nnw1OIN8Kw
CC=ccache gcc
gcc (GCC) 15.2.1 20250808 (Red Hat 15.2.1-1)
Tree base:
0c481cd2a5a1 ("net: stmmac: remove unused PCS loopback support")
Skip baseline build, not the first patch and no Kconfig updates
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  HOSTCC  scripts/basic/fixdep
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac4_core.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.o
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7024)
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  HOSTCC  scripts/basic/fixdep
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac4_core.o
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.o
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7024)
  CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.mod.o
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac.ko