Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.BeKIMiiib6 and /tmp/tmp.GYzH4hOhK6
CC=ccache gcc
gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
Tree base:
af90e8530724 ("Merge branch 's390-bpf-fix-bpf_arch_text_poke-with-new_addr-null-again'")
Baseline building the tree
make[1]: Entering directory '/home/nipa/bpf/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/bpf/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  HOSTRUSTC scripts/generate_rust_target
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  RUSTC L rust/core.o
  RUSTC P rust/libpin_init_internal.so
  RUSTC P rust/libmacros.so
  RUSTC L rust/compiler_builtins.o
  EXPORTS rust/exports_core_generated.h
  RUSTC L rust/ffi.o
  RUSTC L rust/build_error.o
  RUSTC L rust/pin_init.o
  RUSTC L rust/bindings.o
  RUSTC L rust/uapi.o
  RUSTC L rust/kernel.o
  EXPORTS rust/exports_bindings_generated.h
  EXPORTS rust/exports_kernel_generated.h
  RUSTC [M] samples/rust/rust_minimal.o
  RUSTC [M] samples/rust/rust_misc_device.o
  RUSTC [M] samples/rust/rust_print_main.o
  RUSTC [M] samples/rust/rust_dma.o
  RUSTC [M] samples/rust/rust_driver_pci.o
  RUSTC [M] samples/rust/rust_driver_platform.o
  RUSTC [M] samples/rust/rust_driver_faux.o
  RUSTC [M] samples/rust/rust_driver_auxiliary.o
  RUSTC [M] samples/rust/rust_configfs.o
  CC      rust/exports.o
  CHECK   ../rust/exports.c
  AR      rust/built-in.a
  RUSTC [M] drivers/gpu/nova-core/nova_core.o
  HOSTRUSTC samples/rust/hostprogs/single
  LD [M]  samples/rust/rust_print.o
  RUSTC [M] drivers/block/rnull.o
  LD [M]  drivers/block/rnull_mod.o
  CC      net/xdp/xsk_queue.o
  CC      net/xdp/xdp_umem.o
  CHECK   ../net/xdp/xsk_queue.c
  CC [M]  net/xdp/xsk_diag.o
  RUSTC [M] mm/kasan/kasan_test_rust.o
  CHECK   ../net/xdp/xdp_umem.c
  CC      net/xdp/xsk_buff_pool.o
  CHECK   ../net/xdp/xsk_diag.c
  CHECK   ../net/xdp/xsk_buff_pool.c
  LD [M]  mm/kasan/kasan_test.o
  CC      net/xdp/xsk.o
  CHECK   ../net/xdp/xsk.c
  AR      net/xdp/built-in.a
  RUSTC [M] drivers/cpufreq/rcpufreq_dt.o
  UPD     kernel/config_data
  CHK     kernel/kheaders_data.tar.xz
  GZIP    kernel/config_data.gz
  CC [M]  kernel/configs.o
  CHECK   ../kernel/configs.c
  RUSTC [M] drivers/gpu/drm/drm_panic_qr.o
  AR      net/built-in.a
  LD [M]  drivers/gpu/drm/drm.o
  AR      built-in.a
  AR      vmlinux.a
  LD      vmlinux.o
  OBJCOPY modules.builtin.modinfo
  GEN     modules.builtin
  MODPOST Module.symvers
  CC      .vmlinux.export.o
  UPD     include/generated/utsversion.h
  CC      init/version-timestamp.o
  CHECK   ../init/version-timestamp.c
  KSYMS   .tmp_vmlinux0.kallsyms.S
  AS      .tmp_vmlinux0.kallsyms.o
  LD      .tmp_vmlinux1
  NM      .tmp_vmlinux1.syms
  KSYMS   .tmp_vmlinux1.kallsyms.S
  AS      .tmp_vmlinux1.kallsyms.o
  LD      .tmp_vmlinux2
  NM      .tmp_vmlinux2.syms
  KSYMS   .tmp_vmlinux2.kallsyms.S
  AS      .tmp_vmlinux2.kallsyms.o
  LD      vmlinux.unstripped
  NM      System.map
  SORTTAB vmlinux.unstripped
  RSTRIP  vmlinux
  GEN     modules.builtin.ranges
  CC      arch/x86/boot/version.o
  CHECK   ../arch/x86/boot/version.c
  OBJCOPY arch/x86/boot/compressed/vmlinux.bin
  VOFFSET arch/x86/boot/compressed/../voffset.h
  RELOCS  arch/x86/boot/compressed/vmlinux.relocs
  CC      arch/x86/boot/compressed/misc.o
  CC      arch/x86/boot/compressed/kaslr.o
  CHECK   ../arch/x86/boot/compressed/misc.c
  CHECK   ../arch/x86/boot/compressed/kaslr.c
  GZIP    arch/x86/boot/compressed/vmlinux.bin.gz
  MKPIGGY arch/x86/boot/compressed/piggy.S
  AS      arch/x86/boot/compressed/piggy.o
  LD      arch/x86/boot/compressed/vmlinux
  ZOFFSET arch/x86/boot/zoffset.h
  OBJCOPY arch/x86/boot/vmlinux.bin
  AS      arch/x86/boot/header.o
  LD      arch/x86/boot/setup.elf
  OBJCOPY arch/x86/boot/setup.bin
  BUILD   arch/x86/boot/bzImage
Kernel: arch/x86/boot/bzImage is ready  (#120)
  LD [M]  kernel/configs.ko
  LD [M]  mm/kasan/kasan_test.ko
  LD [M]  drivers/gpu/drm/drm.ko
  LD [M]  drivers/gpu/nova-core/nova_core.ko
  LD [M]  drivers/block/rnull_mod.ko
  LD [M]  drivers/cpufreq/rcpufreq_dt.ko
  LD [M]  samples/rust/rust_minimal.ko
  LD [M]  samples/rust/rust_misc_device.ko
  LD [M]  samples/rust/rust_print.ko
  LD [M]  samples/rust/rust_dma.ko
  LD [M]  samples/rust/rust_driver_pci.ko
  LD [M]  samples/rust/rust_driver_platform.ko
  LD [M]  samples/rust/rust_driver_faux.ko
  LD [M]  samples/rust/rust_driver_auxiliary.ko
  LD [M]  samples/rust/rust_configfs.ko
  CC [M]  net/xdp/xsk_diag.mod.o
  LD [M]  net/xdp/xsk_diag.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/bpf/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/bpf/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
Kernel: arch/x86/boot/bzImage is ready  (#120)
Building the tree with the patch
make[1]: Entering directory '/home/nipa/bpf/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/bpf/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CHK     kernel/kheaders_data.tar.xz
Kernel: arch/x86/boot/bzImage is ready  (#120)