Using -Oline -j 96 W=1 C=1 redirect to /tmp/tmp.CC7XsbxzDt and /tmp/tmp.XsjFXi6BV1
CC=ccache gcc
gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7)
Tree base:
17edc4e820bf ("net: Convert move_addr_to_user() to scoped user access")
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/usb/cdc_ether.o
  CC [M]  drivers/net/ppp/ppp_generic.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1486)
  CC [M]  drivers/net/usb/cdc_ether.mod.o
  CC [M]  drivers/net/ppp/ppp_generic.mod.o
  LD [M]  drivers/net/ppp/ppp_generic.ko
  LD [M]  drivers/net/usb/cdc_ether.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/ppp/ppp_generic.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1486)
  CC [M]  drivers/net/ppp/ppp_generic.mod.o
  LD [M]  drivers/net/ppp/ppp_generic.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/ppp/ppp_generic.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1486)
  CC [M]  drivers/net/ppp/ppp_generic.mod.o
  LD [M]  drivers/net/ppp/ppp_generic.ko