Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.w6OA6Pv3SS and /tmp/tmp.0CPZgvzpd9
CC=ccache gcc
gcc (GCC) 15.2.1 20250808 (Red Hat 15.2.1-1)
Tree base:
29fa7f9e5adf ("net: phy: nxp-c45-tja11xx: use bitmap_empty() where appropriate")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# 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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/phy/micrel.o
  CHECK   ../drivers/net/phy/micrel.c
  CC [M]  drivers/net/ethernet/renesas/ravb_main.o
  CC [M]  drivers/net/ethernet/renesas/ravb_ptp.o
  CHECK   ../drivers/net/ethernet/renesas/ravb_ptp.c
  CHECK   ../drivers/net/ethernet/renesas/ravb_main.c
  LD [M]  drivers/net/ethernet/renesas/ravb.o
  CC [M]  drivers/net/ethernet/renesas/rcar_gen4_ptp.o
  CC [M]  drivers/net/ethernet/renesas/rswitch_l2.o
  CHECK   ../drivers/net/ethernet/renesas/rcar_gen4_ptp.c
  CHECK   ../drivers/net/ethernet/renesas/rswitch_l2.c
  CC [M]  drivers/net/ethernet/renesas/rtsn.o
  CC [M]  drivers/net/phy/nxp-c45-tja11xx-macsec.o
  CHECK   ../drivers/net/ethernet/renesas/rtsn.c
  CHECK   ../drivers/net/phy/nxp-c45-tja11xx-macsec.c
  LD [M]  drivers/net/phy/nxp-c45-tja.o
  CC [M]  drivers/net/ethernet/renesas/rswitch_main.o
  CHECK   ../drivers/net/ethernet/renesas/rswitch_main.c
  LD [M]  drivers/net/ethernet/renesas/rswitch.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#6273)
  CC [M]  drivers/net/phy/micrel.mod.o
  LD [M]  drivers/net/ethernet/renesas/ravb.ko
  CC [M]  drivers/net/phy/nxp-c45-tja.mod.o
  CC [M]  drivers/net/ethernet/renesas/rswitch.mod.o
  CC [M]  drivers/net/ethernet/renesas/rcar_gen4_ptp.mod.o
  CC [M]  drivers/net/ethernet/renesas/rtsn.mod.o
  LD [M]  drivers/net/phy/micrel.ko
  LD [M]  drivers/net/phy/nxp-c45-tja.ko
  LD [M]  drivers/net/ethernet/renesas/rswitch.ko
  LD [M]  drivers/net/ethernet/renesas/rcar_gen4_ptp.ko
  LD [M]  drivers/net/ethernet/renesas/rtsn.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# 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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/renesas/rswitch_main.o
  CC [M]  drivers/net/ethernet/renesas/rswitch_l2.o
  CC [M]  drivers/net/ethernet/renesas/rcar_gen4_ptp.o
  CC [M]  drivers/net/ethernet/renesas/rtsn.o
  CHECK   ../drivers/net/ethernet/renesas/rcar_gen4_ptp.c
  CHECK   ../drivers/net/ethernet/renesas/rswitch_l2.c
  CHECK   ../drivers/net/ethernet/renesas/rswitch_main.c
  CHECK   ../drivers/net/ethernet/renesas/rtsn.c
  LD [M]  drivers/net/ethernet/renesas/rswitch.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#6273)
  CC [M]  drivers/net/ethernet/renesas/rswitch.mod.o
  CC [M]  drivers/net/ethernet/renesas/rcar_gen4_ptp.mod.o
  CC [M]  drivers/net/ethernet/renesas/rtsn.mod.o
  LD [M]  drivers/net/ethernet/renesas/rswitch.ko
  LD [M]  drivers/net/ethernet/renesas/rcar_gen4_ptp.ko
  LD [M]  drivers/net/ethernet/renesas/rtsn.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# 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
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/renesas/rswitch_main.o
  CC [M]  drivers/net/ethernet/renesas/rswitch_l2.o
  CC [M]  drivers/net/ethernet/renesas/rcar_gen4_ptp.o
  CC [M]  drivers/net/ethernet/renesas/rtsn.o
  CHECK   ../drivers/net/ethernet/renesas/rtsn.c
  CHECK   ../drivers/net/ethernet/renesas/rswitch_main.c
  CHECK   ../drivers/net/ethernet/renesas/rcar_gen4_ptp.c
  CHECK   ../drivers/net/ethernet/renesas/rswitch_l2.c
  LD [M]  drivers/net/ethernet/renesas/rswitch.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#6273)
  CC [M]  drivers/net/ethernet/renesas/rswitch.mod.o
  CC [M]  drivers/net/ethernet/renesas/rcar_gen4_ptp.mod.o
  CC [M]  drivers/net/ethernet/renesas/rtsn.mod.o
  LD [M]  drivers/net/ethernet/renesas/rswitch.ko
  LD [M]  drivers/net/ethernet/renesas/rcar_gen4_ptp.ko
  LD [M]  drivers/net/ethernet/renesas/rtsn.ko