Using -Oline -j 72 W=1 redirect to /tmp/tmp.1Nytf6BUzt and /tmp/tmp.zqvToJTNBb
CC=ccache gcc
gcc (GCC) 15.2.1 20250808 (Red Hat 15.2.1-1)
Tree base:
1c51450f1aff ("tcp: better handle TCP_TX_DELAY on established flows")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_32bit'
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/core/drop_monitor.o
  CC [M]  net/hsr/hsr_netlink.o
  LD [M]  net/hsr/hsr.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#6738)
  CC [M]  net/core/drop_monitor.mod.o
  LD [M]  net/core/drop_monitor.ko
  CC [M]  net/hsr/hsr.mod.o
  LD [M]  net/hsr/hsr.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_32bit'
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/hsr/hsr_netlink.o
  LD [M]  net/hsr/hsr.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#6738)
  CC [M]  net/hsr/hsr.mod.o
  LD [M]  net/hsr/hsr.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-1/build_32bit'
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-1/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  HOSTCC  scripts/basic/fixdep
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/hsr/hsr_netlink.o
  LD [M]  net/hsr/hsr.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#6738)
  CC [M]  net/hsr/hsr.mod.o
  LD [M]  net/hsr/hsr.ko