Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.1cXQS7qs4y and /tmp/tmp.II9tfakzOF
CC=ccache gcc
gcc (GCC) 15.0.1 20250329 (Red Hat 15.0.1-0)
Tree base:
4cde0e4224ce ("net: cpsw: isolate cpsw_ndo_ioctl() to just the old driver")
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
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/dlink/dl2k.o
  CHK     kernel/kheaders_data.tar.xz
  CHECK   ../drivers/net/ethernet/dlink/dl2k.c
  CC [M]  drivers/net/phy/microchip.o
  CHECK   ../drivers/net/phy/microchip.c
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#2007)
  LD [M]  drivers/net/phy/microchip.ko
  CC [M]  drivers/net/ethernet/dlink/dl2k.mod.o
  LD [M]  drivers/net/ethernet/dlink/dl2k.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
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/phy/microchip.o
  CHECK   ../drivers/net/phy/microchip.c
  CHK     kernel/kheaders_data.tar.xz
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#2007)
  LD [M]  drivers/net/phy/microchip.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
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/phy/microchip.o
  CHECK   ../drivers/net/phy/microchip.c
  CHK     kernel/kheaders_data.tar.xz
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#2007)
  LD [M]  drivers/net/phy/microchip.ko