Using -Oline -j 96 W=1 redirect to /tmp/tmp.YrxR8CfdJj and /tmp/tmp.659Bbp3p4P
CC=ccache gcc
gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7)
Tree base:
37a93dd5c49b ("Merge tag 'net-next-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next")
Baseline building the tree
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/usb/catc.o
  CC [M]  drivers/net/xen-netback/xenbus.o
  LD [M]  drivers/net/xen-netback/xen-netback.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#593)
  CC [M]  drivers/net/usb/catc.mod.o
  CC [M]  drivers/net/xen-netback/xen-netback.mod.o
  LD [M]  drivers/net/xen-netback/xen-netback.ko
  LD [M]  drivers/net/usb/catc.ko
Building the tree before the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/xen-netback/xenbus.o
  LD [M]  drivers/net/xen-netback/xen-netback.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#593)
  CC [M]  drivers/net/xen-netback/xen-netback.mod.o
  LD [M]  drivers/net/xen-netback/xen-netback.ko
Building the tree with the patch
make[1]: Entering directory '/srv/nipa-poller/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/srv/nipa-poller/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/xen-netback/xenbus.o
  LD [M]  drivers/net/xen-netback/xen-netback.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#593)
  CC [M]  drivers/net/xen-netback/xen-netback.mod.o
  LD [M]  drivers/net/xen-netback/xen-netback.ko