Using -Oline -j 72 W=1 redirect to /tmp/tmp.oH5TlvJeB6 and /tmp/tmp.L8GhoQYMog
CC=ccache gcc
gcc (GCC) 15.2.1 20251022 (Red Hat 15.2.1-3)
Tree base:
327c20c21d80 ("netpoll: Fix deadlock in memory allocation under spinlock")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/wireless/ath/ath12k/mac.o
  CC [M]  drivers/net/wireless/virtual/mac80211_hwsim.o
  LD [M]  drivers/net/wireless/ath/ath12k/ath12k.o
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en/params.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1878)
  CC [M]  drivers/net/wireless/ath/ath12k/ath12k.mod.o
  CC [M]  drivers/net/wireless/virtual/mac80211_hwsim.mod.o
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko
  LD [M]  drivers/net/wireless/ath/ath12k/ath12k.ko
  LD [M]  drivers/net/wireless/virtual/mac80211_hwsim.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en/params.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1878)
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/en/params.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1878)
  CC [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.mod.o
  LD [M]  drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko