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SubjectBuild regressions/improvements in v5.8-rc3
Date
Below is the list of build error/warning regressions/improvements in
v5.8-rc3[1] compared to v5.7[2].

Summarized:
- build errors: +4/-4
- build warnings: +42/-41

JFYI, when comparing v5.8-rc3[1] to v5.8-rc2[3], the summaries are:
- build errors: +0/-0
- build warnings: +5/-30

Note that there may be false regressions, as some logs are incomplete.
Still, they're build errors/warnings.

Happy fixing! ;-)

Thanks to the linux-next team for providing the build service.

[1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/9ebcfadb0610322ac537dd7aa5d9cbc2b2894c68/ (192 out of 194 configs)
[2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162/ (all 194 configs)
[3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/48778464bb7d346b47157d21ffde2af6b2d39110/ (192 out of 194 configs)


*** ERRORS ***

4 error regressions:
+ error: arch/sparc/kernel/head_32.o: relocation truncated to fit: R_SPARC_WDISP22 against `.init.text': => (.head.text+0x5100), (.head.text+0x5040)
+ error: arch/sparc/kernel/head_32.o: relocation truncated to fit: R_SPARC_WDISP22 against symbol `leon_smp_cpu_startup' defined in .text section in arch/sparc/kernel/trampoline_32.o: => (.init.text+0xa4)
+ error: arch/sparc/kernel/process_32.o: relocation truncated to fit: R_SPARC_WDISP22 against `.text': => (.fixup+0xc), (.fixup+0x4)
+ error: arch/sparc/kernel/signal_32.o: relocation truncated to fit: R_SPARC_WDISP22 against `.text': => (.fixup+0x10), (.fixup+0x1c), (.fixup+0x4), (.fixup+0x34), (.fixup+0x28)

4 error improvements:
- error: modpost: "devm_ioremap" [drivers/net/ethernet/xilinx/ll_temac.ko] undefined!: N/A =>
- error: modpost: "devm_ioremap_resource" [drivers/net/ethernet/xilinx/xilinx_emac.ko] undefined!: N/A =>
- error: modpost: "devm_ioremap_resource" [drivers/ptp/ptp_ines.ko] undefined!: N/A =>
- error: modpost: "devm_of_iomap" [drivers/net/ethernet/xilinx/ll_temac.ko] undefined!: N/A =>


*** WARNINGS ***

42 warning regressions:
+ /kisskb/src/block/genhd.c: warning: the frame size of 1160 bytes is larger than 1024 bytes [-Wframe-larger-than=]: => 1623:1
+ /kisskb/src/drivers/gpu/drm/drm_managed.c: warning: format '%zu' expects argument of type 'size_t', but argument 4 has type 'unsigned int' [-Wformat=]: => 205:23
+ /kisskb/src/drivers/gpu/drm/drm_managed.c: warning: format '%zu' expects argument of type 'size_t', but argument 6 has type 'unsigned int' [-Wformat=]: => 67:23
+ /kisskb/src/drivers/mailbox/imx-mailbox.c: warning: 'imx_mu_resume_noirq' defined but not used [-Wunused-function]: => 611:12
+ /kisskb/src/drivers/mailbox/imx-mailbox.c: warning: 'imx_mu_runtime_resume' defined but not used [-Wunused-function]: => 638:12
+ /kisskb/src/drivers/mailbox/imx-mailbox.c: warning: 'imx_mu_runtime_suspend' defined but not used [-Wunused-function]: => 629:12
+ /kisskb/src/drivers/mailbox/imx-mailbox.c: warning: 'imx_mu_suspend_noirq' defined but not used [-Wunused-function]: => 601:12
+ /kisskb/src/drivers/net/ethernet/intel/ice/ice_flow.h: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]: => 197:33
+ /kisskb/src/drivers/net/ethernet/intel/ice/ice_flow.h: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]: => 198:32
+ /kisskb/src/drivers/scsi/dc395x.c: warning: value computed is not used [-Wunused-value]: => 155:36
+ /kisskb/src/drivers/target/iscsi/cxgbit/cxgbit_target.c: warning: 'cxgbit_tx_datain_iso.isra.39' uses dynamic stack allocation: => 498:1
+ /kisskb/src/include/linux/compiler_attributes.h: warning: statement will never be executed [-Wswitch-unreachable]: => 201:41
+ /kisskb/src/include/linux/kern_levels.h: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'unsigned int' [-Wformat=]: => 5:18
+ /kisskb/src/include/linux/kern_levels.h: warning: format '%zd' expects argument of type 'signed size_t', but argument 2 has type 'ssize_t {aka int}' [-Wformat=]: => 5:18
+ /kisskb/src/kernel/bpf/syscall.c: warning: 'bpf_prog_get_info_by_fd.isra.24' uses dynamic stack allocation: => 3498:1
+ /kisskb/src/kernel/rcu/rcuperf.c: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'unsigned int' [-Wformat=]: => 726:65
+ /kisskb/src/mm/slub.c: warning: 'deactivate_slab.isra.57' uses dynamic stack allocation: => 2230:1
+ /kisskb/src/mm/slub.c: warning: 'get_partial_node.isra.56' uses dynamic stack allocation: => 1929:1
+ /kisskb/src/mm/slub.c: warning: 'unfreeze_partials.isra.55' uses dynamic stack allocation: => 2298:1
+ /kisskb/src/net/smc/smc_llc.c: warning: (near initialization for 'add_llc.hd') [-Wmissing-braces]: => 1145:9
+ /kisskb/src/net/smc/smc_llc.c: warning: (near initialization for 'del_llc.hd') [-Wmissing-braces]: => 1178:9
+ /kisskb/src/net/smc/smc_llc.c: warning: (near initialization for 'delllc.hd') [-Wmissing-braces]: => 1250:9
+ /kisskb/src/net/smc/smc_llc.c: warning: missing braces around initializer [-Wmissing-braces]: => 1145:9, 1250:9, 1178:9
+ /kisskb/src/net/sunrpc/svcsock.c: warning: "ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE" is not defined [-Wundef]: => 226:5
+ /kisskb/src/net/sunrpc/svcsock.c: warning: "ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE" is not defined, evaluates to 0 [-Wundef]: => 226:5
+ /kisskb/src/samples/seccomp/user-trap.c: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]: => 50:2, 83:2
+ modpost: WARNING: modpost: EXPORT symbol "___rw_read_enter" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "___rw_read_exit" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "___rw_read_try" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "___rw_write_enter" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "__ashldi3" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "__ashrdi3" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "__copy_1page" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "__divdi3" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "__lshrdi3" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "__muldi3" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "__ndelay" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "__udelay" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "bzero_1page" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ modpost: WARNING: modpost: EXPORT symbol "empty_zero_page" [vmlinux] version generation failed, symbol will not be versioned.: => N/A
+ warning: 136 bad relocations: => N/A
+ warning: 148 bad relocations: => N/A

41 warning improvements:
- /kisskb/src/arch/m68k/include/asm/amigahw.h: warning: this statement may fall through [-Wimplicit-fallthrough=]: 42:50 =>
- /kisskb/src/block/genhd.c: warning: the frame size of 1192 bytes is larger than 1024 bytes [-Wframe-larger-than=]: 1617:1 =>
- /kisskb/src/drivers/android/binderfs.c: warning: (near initialization for 'device_info.name') [-Wmissing-braces]: 653:9 =>
- /kisskb/src/drivers/android/binderfs.c: warning: missing braces around initializer [-Wmissing-braces]: 653:9 =>
- /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/command_table2.c: warning: (near initialization for 'encoder_control.header') [-Wmissing-braces]: 116:9 =>
- /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/command_table2.c: warning: (near initialization for 'pixel_clock.header') [-Wmissing-braces]: 342:9 =>
- /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/bios/command_table2.c: warning: missing braces around initializer [-Wmissing-braces]: 342:9, 116:9 =>
- /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn21/dcn21_hubp.c: warning: (near initialization for 'PLAT_54186_wa.header') [-Wmissing-braces]: 781:9 =>
- /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/dcn21/dcn21_hubp.c: warning: missing braces around initializer [-Wmissing-braces]: 368:9, 781:9 => 368:9
- /kisskb/src/drivers/gpu/drm/bridge/tc358768.c: warning: the frame size of 2224 bytes is larger than 2048 bytes [-Wframe-larger-than=]: 840:1 =>
- /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: warning: (near initialization for 'desc.ident') [-Wmissing-braces]: 5502:9 =>
- /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: warning: missing braces around initializer [-Wmissing-braces]: 5502:9 =>
- /kisskb/src/drivers/target/iscsi/cxgbit/cxgbit_target.c: warning: 'cxgbit_tx_datain_iso.isra.34' uses dynamic stack allocation: 498:1 =>
- /kisskb/src/kernel/bpf/syscall.c: warning: 'bpf_prog_get_info_by_fd.isra.23' uses dynamic stack allocation: 3269:1 =>
- /kisskb/src/lib/test_kasan.c: warning: 'kasan_alloca_oob_left' uses dynamic stack allocation: 547:1 =>
- /kisskb/src/lib/test_kasan.c: warning: 'kasan_alloca_oob_right' uses dynamic stack allocation: 557:1 =>
- /kisskb/src/mm/slub.c: warning: 'deactivate_slab.isra.42' uses dynamic stack allocation: 2203:1 =>
- /kisskb/src/mm/slub.c: warning: 'get_partial_node.isra.41' uses dynamic stack allocation: 1910:1 =>
- /kisskb/src/mm/slub.c: warning: 'unfreeze_partials.isra.40' uses dynamic stack allocation: 2271:1 =>
- /kisskb/src/security/integrity/ima/ima_crypto.c: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=]: 510:1 =>
- modpost: WARNING: modpost: "clear_page" [drivers/md/dm-integrity.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "clear_page" [drivers/md/raid456.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "clear_page" [drivers/scsi/sd_mod.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "clear_page" [fs/btrfs/btrfs.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "clear_page" [fs/fuse/fuse.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "clear_page" [fs/gfs2/gfs2.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "clear_page" [fs/ntfs/ntfs.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "clear_page" [fs/ocfs2/dlm/ocfs2_dlm.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "copy_page" [drivers/block/drbd/drbd.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "copy_page" [drivers/md/dm-integrity.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "copy_page" [fs/btrfs/btrfs.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "copy_page" [fs/cachefiles/cachefiles.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "copy_page" [fs/fuse/fuse.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: "copy_page" [fs/nilfs2/nilfs2.ko] has no CRC!: N/A =>
- modpost: WARNING: modpost: lib/test_bitmap.o(.text.unlikely+0x58): Section mismatch in reference from the function bitmap_equal() to the variable .init.rodata:clump_exp: N/A =>
- modpost: WARNING: modpost: vmlinux.o(.text.unlikely+0x1a0): Section mismatch in reference from the function early_init_mmu() to the function .init.text:radix__early_init_mmu(): N/A =>
- modpost: WARNING: modpost: vmlinux.o(.text.unlikely+0x1ac): Section mismatch in reference from the function early_init_mmu() to the function .init.text:hash__early_init_mmu(): N/A =>
- modpost: WARNING: modpost: vmlinux.o(.text.unlikely+0x2b0): Section mismatch in reference from the function early_init_mmu() to the function .init.text:radix__early_init_mmu(): N/A =>
- modpost: WARNING: modpost: vmlinux.o(.text.unlikely+0x2bc): Section mismatch in reference from the function early_init_mmu() to the function .init.text:hash__early_init_mmu(): N/A =>
- warning: 12 bad relocations: N/A =>
- warning: unmet direct dependencies detected for SND_SOC_WM9712: N/A =>

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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