Using -Oline -j 96 W=1 C=1 redirect to /tmp/tmp.t7zWS05wCK and /tmp/tmp.o0nd7HDcsf
CC=ccache gcc
gcc (GCC) 15.2.1 20251211 (Red Hat 15.2.1-5)
Tree base:
b30e8af8bbf3 ("can: remove private CAN skb headroom infrastructure")
Skip baseline build, not the first patch and no Kconfig updates
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-1/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/can/gw.o
  CHECK   ../net/can/gw.c
  LD [M]  net/can/can-gw.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#69)
  LD [M]  net/can/can-gw.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net-next/wt-1/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net-next/wt-1/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/can/gw.o
  CHECK   ../net/can/gw.c
  LD [M]  net/can/can-gw.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#69)
  CC [M]  net/can/can-gw.mod.o
  LD [M]  net/can/can-gw.ko