Using -Oline -j 96 W=1 C=1 redirect to /tmp/tmp.iLMAoulz5w and /tmp/tmp.nTEBYdNoRM
CC=ccache gcc
gcc (GCC) 15.2.1 20251211 (Red Hat 15.2.1-5)
Tree base:
d8f87aa5fa0a ("net: remove HIPPI support and RoadRunner HIPPI driver")
Baseline building the tree
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  HDRINST usr/include/linux/vmclock-abi.h
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  HDRTEST usr/include/linux/vmclock-abi.h
  CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac_platform.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-s32.o
  CC [M]  drivers/ptp/ptp_vmclock.o
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
  CHECK   ../drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac-platform.o
  CHECK   ../drivers/ptp/ptp_vmclock.c
  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  (#1571)
  LD [M]  kernel/kheaders.ko
  CC [M]  drivers/net/ethernet/stmicro/stmmac/stmmac-platform.mod.o
  CC [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-s32.mod.o
  LD [M]  drivers/ptp/ptp_vmclock.ko
  LD [M]  drivers/net/ethernet/stmicro/stmmac/stmmac-platform.ko
  LD [M]  drivers/net/ethernet/stmicro/stmmac/dwmac-s32.ko
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  HDRINST usr/include/linux/vmclock-abi.h
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  HDRTEST usr/include/linux/vmclock-abi.h
  CC [M]  drivers/ptp/ptp_vmclock.o
  CHECK   ../drivers/ptp/ptp_vmclock.c
  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  (#1571)
  LD [M]  kernel/kheaders.ko
  LD [M]  drivers/ptp/ptp_vmclock.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  HDRINST usr/include/linux/vmclock-abi.h
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  HDRTEST usr/include/linux/vmclock-abi.h
  CC [M]  drivers/ptp/ptp_vmclock.o
  CHECK   ../drivers/ptp/ptp_vmclock.c
  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  (#1571)
  LD [M]  kernel/kheaders.ko
  LD [M]  drivers/ptp/ptp_vmclock.ko