Using -Oline -j 96 W=1 C=1 redirect to /tmp/tmp.4QonXcfC17 and /tmp/tmp.gt2ZMY7St6
CC=ccache gcc
gcc (GCC) 15.2.1 20251211 (Red Hat 15.2.1-5)
Tree base:
b00a7b3a6129 ("net: atp: drop ancient parallel-port Ethernet 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
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  drivers/net/ipvlan/ipvlan_core.o
  CHECK   ../drivers/net/ipvlan/ipvlan_core.c
  LD [M]  drivers/net/ipvlan/ipvlan.o
  CC [M]  drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.o
  CHECK   ../drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c
  LD [M]  drivers/net/wwan/t7xx/mtk_t7xx.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1660)
  CC [M]  drivers/net/ipvlan/ipvlan.mod.o
  CC [M]  drivers/net/wwan/t7xx/mtk_t7xx.mod.o
  LD [M]  drivers/net/ipvlan/ipvlan.ko
  LD [M]  drivers/net/wwan/t7xx/mtk_t7xx.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
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.o
  CHECK   ../drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c
  LD [M]  drivers/net/wwan/t7xx/mtk_t7xx.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1660)
  CC [M]  drivers/net/wwan/t7xx/mtk_t7xx.mod.o
  LD [M]  drivers/net/wwan/t7xx/mtk_t7xx.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
  CALL    ../scripts/checksyscalls.sh
  INSTALL libsubcmd_headers
  CC [M]  drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.o
  CHECK   ../drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c
  LD [M]  drivers/net/wwan/t7xx/mtk_t7xx.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1660)
  CC [M]  drivers/net/wwan/t7xx/mtk_t7xx.mod.o
  LD [M]  drivers/net/wwan/t7xx/mtk_t7xx.ko