Re: Build regressions/improvements in v6.8-rc1

On Tue, 23 Jan 2024, Geert Uytterhoeven wrote:
> Below is the list of build error/warning regressions/improvements in
> v6.8-rc1[1] compared to v6.7[2].
>
> Summarized:
>  - build errors: +68/-18
>  - build warnings: +129/-1487
>
> Happy fixing! ;-)
>
> Thanks to the linux-next team for providing the build service.
>
> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/6613476e225e090cc9aad49be7fa504e290dd33d/ (all 239 configs)
> [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/0dd3ee31125508cd67f7e7172247f05b7fd1753a/ (all 239 configs)
>
>
> *** ERRORS ***
>
> 68 error regressions:

>  + /kisskb/src/arch/powerpc/sysdev/udbg_memcons.c: error: no previous prototype for 'memcons_getc' [-Werror=missing-prototypes]:  => 80:5
>  + /kisskb/src/arch/powerpc/sysdev/udbg_memcons.c: error: no previous prototype for 'memcons_getc_poll' [-Werror=missing-prototypes]:  => 57:5
>  + /kisskb/src/arch/powerpc/sysdev/udbg_memcons.c: error: no previous prototype for 'memcons_putc' [-Werror=missing-prototypes]:  => 44:6

powerpc-gcc{5,12,13}/ppc64_book3e_allmodconfig

>  + /kisskb/src/arch/sh/kernel/cpu/init.c: error: no previous prototype for 'l2_cache_init' [-Werror=missing-prototypes]:  => 99:29

sh4-gcc1[123]/se7{619,750}_defconfig
sh4-gcc1[123]/sh-{all{mod,no,yes},def}config
sh4-gcc11/sh-allnoconfig

>  + /kisskb/src/arch/sh/math-emu/math.c: error: no previous prototype for 'do_fpu_inst' [-Werror=missing-prototypes]:  => 492:5

sh4-gcc1[123]/sh-all{mod,yes}config

>  + /kisskb/src/arch/sh/mm/cache-sh2.c: error: no previous prototype for 'sh2_cache_init' [-Werror=missing-prototypes]:  => 85:13

sh4-gcc1[123]/se7619_defconfig
sh4-gcc1[123]/sh-all{mod,yes}config

>  + /kisskb/src/arch/sh/mm/nommu.c: error: no previous prototype for 'kmap_coherent' [-Werror=missing-prototypes]:  => 80:7
>  + /kisskb/src/arch/sh/mm/nommu.c: error: no previous prototype for 'kmap_coherent_init' [-Werror=missing-prototypes]:  => 76:13
>  + /kisskb/src/arch/sh/mm/nommu.c: error: no previous prototype for 'kunmap_coherent' [-Werror=missing-prototypes]:  => 86:6

sh4-gcc1[123]/se7619_defconfig
sh4-gcc1[123]/sh-allnoconfig
sh4-gcc12/sh-allyesconfig

>  + /kisskb/src/arch/sparc/include/asm/floppy_64.h: error: no previous prototype for 'sparc_floppy_irq' [-Werror=missing-prototypes]:  => 200:13
>  + /kisskb/src/arch/sparc/include/asm/floppy_64.h: error: no previous prototype for 'sun_pci_fd_dma_callback' [-Werror=missing-prototypes]:  => 437:6

sparc64-gcc{5,11,12,13}/sparc64-allmodconfig

>  + /kisskb/src/arch/sparc/kernel/traps_64.c: error: no previous prototype for 'do_mcd_err' [-Werror=missing-prototypes]:  => 2035:6
>  + /kisskb/src/arch/sparc/kernel/traps_64.c: error: no previous prototype for 'is_no_fault_exception' [-Werror=missing-prototypes]:  => 253:6
>  + /kisskb/src/arch/sparc/kernel/traps_64.c: error: no previous prototype for 'sun4v_nonresum_error_user_handled' [-Werror=missing-prototypes]:  => 2153:6
>  + /kisskb/src/arch/sparc/prom/misc_64.c: error: no previous prototype for 'prom_get_mmu_ihandle' [-Werror=missing-prototypes]:  => 165:5
>  + /kisskb/src/arch/sparc/prom/p1275.c: error: no previous prototype for 'prom_cif_init' [-Werror=missing-prototypes]:  => 52:6
>  + /kisskb/src/kernel/dma.c: error: no previous prototype for 'free_dma' [-Werror=missing-prototypes]:  => 88:6
>  + /kisskb/src/kernel/dma.c: error: no previous prototype for 'request_dma' [-Werror=missing-prototypes]:  => 70:5

sparc64-gcc{5,1[123]}/sparc64-{all{mod,no},def}config

>  + /kisskb/src/arch/sparc/lib/cmpdi2.c: error: no previous prototype for '__cmpdi2' [-Werror=missing-prototypes]:  => 6:11

sparc64-gcc{5,1[123]}/sparc-{all{mod,no},def}config

>  + /kisskb/src/arch/sparc/mm/init_64.c: error: no previous prototype for 'vmemmap_free' [-Werror=missing-prototypes]:  => 2644:6

sparc64-gcc{5,1[123]}/sparc64-{allmod,def}config

>  + /kisskb/src/arch/sparc/power/hibernate.c: error: no previous prototype for 'pfn_is_nosave' [-Werror=missing-prototypes]:  => 22:5
>  + /kisskb/src/arch/sparc/power/hibernate.c: error: no previous prototype for 'restore_processor_state' [-Werror=missing-prototypes]:  => 35:6
>  + /kisskb/src/arch/sparc/power/hibernate.c: error: no previous prototype for 'save_processor_state' [-Werror=missing-prototypes]:  => 30:6
>  + /kisskb/src/drivers/gpu/drm/xe/xe_lrc.c: error: "CTX_VALID" redefined [-Werror]:  => 24, 24:0
>  + /kisskb/src/drivers/mtd/maps/sun_uflash.c: error: no previous prototype for 'uflash_devinit' [-Werror=missing-prototypes]:  => 50:5

sparc64-gcc{5,1[123]}/sparc64-allmodconfig

>  + /kisskb/src/arch/sparc/vdso/vclock_gettime.c: error: no previous prototype for '__vdso_clock_gettime' [-Werror=missing-prototypes]:  => 254:1
>  + /kisskb/src/arch/sparc/vdso/vclock_gettime.c: error: no previous prototype for '__vdso_clock_gettime_stick' [-Werror=missing-prototypes]:  => 282:1
>  + /kisskb/src/arch/sparc/vdso/vclock_gettime.c: error: no previous prototype for '__vdso_gettimeofday' [-Werror=missing-prototypes]:  => 307:1
>  + /kisskb/src/arch/sparc/vdso/vclock_gettime.c: error: no previous prototype for '__vdso_gettimeofday_stick' [-Werror=missing-prototypes]:  => 343:1
>  + /kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c: error: no previous prototype for '__vdso_clock_gettime' [-Werror=missing-prototypes]:  => 254:1
>  + /kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c: error: no previous prototype for '__vdso_clock_gettime_stick' [-Werror=missing-prototypes]:  => 282:1
>  + /kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c: error: no previous prototype for '__vdso_gettimeofday' [-Werror=missing-prototypes]:  => 307:1
>  + /kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c: error: no previous prototype for '__vdso_gettimeofday_stick' [-Werror=missing-prototypes]:  => 343:1
>  + /kisskb/src/arch/sparc/vdso/vma.c: error: no previous prototype for 'init_vdso_image' [-Werror=missing-prototypes]:  => 246:12

sparc64-gcc{5,12,13}/sparc64-{allno,def}config
sparc64-gcc11/sparc64-{all{mod,no},def}config

>  + /kisskb/src/arch/x86/um/shared/sysdep/kernel-offsets.h: error: no previous prototype for ‘foo’ [-Werror=missing-prototypes]:  => 9:6

um-x86_64-gcc12/um-{all{mod,yes},def}config

>  + /kisskb/src/drivers/sbus/char/bbc_envctrl.c: error: no previous prototype for 'bbc_envctrl_cleanup' [-Werror=missing-prototypes]:  => 594:6
>  + /kisskb/src/drivers/sbus/char/bbc_envctrl.c: error: no previous prototype for 'bbc_envctrl_init' [-Werror=missing-prototypes]:  => 566:5

sparc64-gcc1[12]/sparc64-allmodconfig

>  + /kisskb/src/drivers/scsi/mpi3mr/mpi3mr_transport.c: error: the frame size of 1680 bytes is larger than 1536 bytes [-Werror=frame-larger-than=]:  => 1818:1

xtensa-gcc11/xtensa-allmodconfig

>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_1044' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_1064' declared with attribute error: FIELD_PREP: mask is not constant:  => 435:38

in drivers/net/ethernet/intel/ice/ice_base.c

powerpc-gcc5/ppc32_allmodconfig


>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_1083' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_1136' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_923' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38

in drivers/net/ethernet/intel/ice/ice_nvm.c

aarcharm64-gcc5/arm64-allmodconfig
powerpc-gcc5/ppc32_allmodconfig
powerpc-gcc5/powerpc-allmodconfig
powerpc-gcc5/ppc64le_allmodconfig

>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_1094' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_1147' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_934' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38

in drivers/net/ethernet/intel/ice/ice_common.c

arm64-gcc5/arm64-allmodconfig
powerpc-gcc5/ppc32_allmodconfig

>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_453' declared with attribute error: FIELD_PREP: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_485' declared with attribute error: FIELD_PREP: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_544' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_565' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_614' declared with attribute error: FIELD_PREP: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_646' declared with attribute error: FIELD_PREP: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_656' declared with attribute error: FIELD_PREP: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_688' declared with attribute error: FIELD_PREP: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_705' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_747' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38

in drivers/gpu/drm/xe/xe_guc_ct.c
arm64-gcc5/arm64-allmodconfig
powerpc-gcc5/ppc64_book3e_allmodconfig
powerpc-gcc5/powerpc-allmodconfig

>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_693' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_704' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38
>  + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_748' declared with attribute error: FIELD_GET: mask is not constant:  => 435:38

in drivers/net/ethernet/intel/i40e/i40e_dcb.c

powerpc-gcc5/powerpc-allmodconfig
powerpc-gcc5/ppc32_allmodconfig
powerpc-gcc5/ppc64_book3e_allmodconfig


arm64-gcc5/arm64-allmodconfig
powerpc-gcc5/powerpc-all{mod,yes}config
powerpc-gcc5/ppc{32,64le,64_book3e}_allmodconfig

>  + /kisskb/src/include/linux/fortify-string.h: error: call to '__read_overflow2_field' declared with attribute warning: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Werror]:  => 537:4
>  + /kisskb/src/include/linux/fortify-string.h: error: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror]:  => 528:4

mips-gcc8/mips-allmodconfig

>  + {standard input}: Error: displacement to undefined symbol .L105 overflows 8-bit field :  => 590, 593
>  + {standard input}: Error: displacement to undefined symbol .L135 overflows 8-bit field :  => 603
>  + {standard input}: Error: displacement to undefined symbol .L140 overflows 8-bit field :  => 606
>  + {standard input}: Error: displacement to undefined symbol .L76 overflows 12-bit field:  => 591, 594
>  + {standard input}: Error: displacement to undefined symbol .L77 overflows 8-bit field : 607 => 607, 582, 585
>  + {standard input}: Error: displacement to undefined symbol .L97 overflows 12-bit field:  => 607
>  + {standard input}: Error: pcrel too far: 604, 590, 577, 593, 572, 569, 598, 599, 596, 610 => 610, 574, 599, 569, 598, 596, 601, 590, 604, 595, 572, 577, 593

SH ICE crickets

Gr{oetje,eeting}s,

 						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

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