On Thu, 1 Dec 2016 10:06:08 +1100
Stephen Rothwell <[email protected]> wrote:
> Hi Michal,
>
> After merging the kbuild tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
>
> WARNING: EXPORT symbol "__sw_hweight32" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "memcpy_mcsafe_unrolled" [vmlinux] version generation
> failed, symbol will not be versioned.
> WARNING: EXPORT symbol "empty_zero_page" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "__get_user_2" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "__put_user_2" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "__fentry__" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "native_load_gs_index" [vmlinux] version generation
> failed, symbol will not be versioned.
> WARNING: EXPORT symbol "__copy_user_nocache" [vmlinux] version generation
> failed, symbol will not be versioned.
> WARNING: EXPORT symbol "copy_user_generic_unrolled" [vmlinux] version
> generation failed, symbol will not be versioned.
> WARNING: EXPORT symbol "memset" [vmlinux] version generation failed, symbol
> will not be versioned.
> WARNING: EXPORT symbol "_copy_to_user" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "__sw_hweight64" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "__put_user_1" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "__memcpy" [vmlinux] version generation failed, symbol
> will not be versioned.
> WARNING: EXPORT symbol "memmove" [vmlinux] version generation failed, symbol
> will not be versioned.
> WARNING: EXPORT symbol "__put_user_8" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "copy_user_generic_string" [vmlinux] version
> generation failed, symbol will not be versioned.
> WARNING: EXPORT symbol "__get_user_4" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "clear_page" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "__memset" [vmlinux] version generation failed, symbol
> will not be versioned.
> WARNING: EXPORT symbol "__memmove" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "copy_user_enhanced_fast_string" [vmlinux] version
> generation failed, symbol will not be versioned.
> WARNING: EXPORT symbol "_copy_from_user" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "__get_user_1" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "phys_base" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "__get_user_8" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "copy_page" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "__put_user_4" [vmlinux] version generation failed,
> symbol will not be versioned.
> WARNING: EXPORT symbol "memcpy" [vmlinux] version generation failed, symbol
> will not be versioned.
>
> Introduced by commit
>
> d8c1eb86e952 ("kbuild: modpost warn if export version crc is missing")
>
These are existing problems caught by the new warning. The modversions saga
has another chapter left, but one way or another we'll get rid of the warnings
for 4.10.
Thanks,
Nick
