Re: Build regressions/improvements in v5.3-rc1

[Geert Uytterhoeven]

On Tue, Jul 23, 2019 at 5:22 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
> Below is the list of build error/warning regressions/improvements in
> v5.3-rc1[1] compared to v5.2[2].

> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/5f9e832c137075045d15cd6899ab0505cfb2ca4b/ (241 out of 242 configs)
> [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/0ecfebd2b52404ae0c54a878c872bb93363ada36/ (all 242 configs)
>
>
> *** ERRORS ***
>
> 11 error regressions:
>   + /kisskb/src/drivers/misc/lkdtm/bugs.c: error: 'X86_CR4_SMEP' undeclared (first use in this function):  => 281:13
>   + /kisskb/src/drivers/misc/lkdtm/bugs.c: error: implicit declaration of function 'native_read_cr4' [-Werror=implicit-function-declaration]:  => 279:8
>   + /kisskb/src/drivers/misc/lkdtm/bugs.c: error: implicit declaration of function 'native_write_cr4' [-Werror=implicit-function-declaration]:  => 288:2

um-all{mod,yes}config

>   + /kisskb/src/drivers/net/wireless/intel/iwlwifi/fw/dbg.c: error: call to '__compiletime_assert_2446' declared with attribute error: BUILD_BUG_ON failed: err_str[sizeof(err_str) - 2] != '\n':  => 2445:3
>   + /kisskb/src/drivers/net/wireless/intel/iwlwifi/fw/dbg.c: error: call to '__compiletime_assert_2452' declared with attribute error: BUILD_BUG_ON failed: err_str[sizeof(err_str) - 2] != '\n':  => 2451:3
>   + /kisskb/src/drivers/net/wireless/intel/iwlwifi/fw/dbg.c: error: call to '__compiletime_assert_2790' declared with attribute error: BUILD_BUG_ON failed: invalid_ap_str[sizeof(invalid_ap_str) - 2] != '\n':  => 2789:5
>   + /kisskb/src/drivers/net/wireless/intel/iwlwifi/fw/dbg.c: error: call to '__compiletime_assert_2801' declared with attribute error: BUILD_BUG_ON failed: invalid_ap_str[sizeof(invalid_ap_str) - 2] != '\n':  => 2800:5

powerpc-all{mod,yes}config{,+64K_PAGES}
mips-allmodconfig

>   + /kisskb/src/include/linux/kprobes.h: error: implicit declaration of function 'kprobe_fault_handler'; did you mean 'kprobe_page_fault'? [-Werror=implicit-function-declaration]:  => 477:9

parisc-allmodconfig

>   + /kisskb/src/mm/hmm.c: error: implicit declaration of function 'pud_pfn' [-Werror=implicit-function-declaration]:  => 753:3, 753:9
>   + /kisskb/src/mm/hmm.c: error: implicit declaration of function 'pud_pfn'; did you mean 'pte_pfn'? [-Werror=implicit-function-declaration]:  => 753:9

ppc64_book3e_allmodconfig
um-all{mod,yes}config

>   + error: "vmf_insert_mixed" [drivers/gpu/drm/exynos/exynosdrm.ko] undefined!:  => N/A

sh-all{mod,yes}config (fix available)


Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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