Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.Qrgoti8ruU and /tmp/tmp.6T463qf5tz
CC=ccache gcc
gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
Tree base:
60bda1ba062a ("sfc: unfix not-a-typo in comment")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/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/mdio_bus.o
  CC [M]  drivers/net/ethernet/airoha/airoha_ppe.o
  CHECK   ../drivers/net/phy/mdio_bus.c
  CHECK   ../drivers/net/ethernet/airoha/airoha_ppe.c
  LD [M]  drivers/net/phy/mdio-bus.o
  LD [M]  drivers/net/ethernet/airoha/airoha-eth.o
  CC [M]  drivers/net/usb/usbnet.o
  CC [M]  drivers/net/ethernet/sfc/tc_encap_actions.o
  CHECK   ../drivers/net/usb/usbnet.c
  CHECK   ../drivers/net/ethernet/sfc/tc_encap_actions.c
  LD [M]  drivers/net/ethernet/sfc/sfc.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  (#1168)
  LD [M]  kernel/kheaders.ko
  CC [M]  drivers/net/phy/mdio-bus.mod.o
  CC [M]  drivers/net/ethernet/airoha/airoha-eth.mod.o
  LD [M]  drivers/net/ethernet/sfc/sfc.ko
  CC [M]  drivers/net/usb/usbnet.mod.o
  LD [M]  drivers/net/phy/mdio-bus.ko
  LD [M]  drivers/net/ethernet/airoha/airoha-eth.ko
  LD [M]  drivers/net/usb/usbnet.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/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/mdio_bus.o
  CHECK   ../drivers/net/phy/mdio_bus.c
  LD [M]  drivers/net/phy/mdio-bus.o
  CHK     kernel/kheaders_data.tar.xz
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1168)
  CC [M]  drivers/net/phy/mdio-bus.mod.o
  LD [M]  drivers/net/phy/mdio-bus.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/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/mdio_bus.o
  CHECK   ../drivers/net/phy/mdio_bus.c
  CHK     kernel/kheaders_data.tar.xz
  LD [M]  drivers/net/phy/mdio-bus.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1168)
  CC [M]  drivers/net/phy/mdio-bus.mod.o
  LD [M]  drivers/net/phy/mdio-bus.ko