[LTP] [PATCH v2 2/4] lib: Introduce LTP_KCONFIG_DISABLE environment variables

[xuyang2018.jy@fujitsu.com]

Hi Cyril
> Hi!
>>>> diff --git a/doc/user-guide.txt b/doc/user-guide.txt
>>>> index 494652618..8d4435a28 100644
>>>> --- a/doc/user-guide.txt
>>>> +++ b/doc/user-guide.txt
>>>> @@ -18,6 +18,9 @@ For running LTP network tests see `testcases/network/README.md`.
>>>>   | 'LTP_SINGLE_FS_TYPE'  | Testing only - specifies filesystem instead all
>>>>                             supported (for tests with '.all_filesystems').
>>>>   | 'LTP_DEV_FS_TYPE'     | Filesystem used for testing (default: 'ext2').
>>>> +| 'LTP_KCONFIG_DISABLE' | Switch for kernel config check functionality.
>>>> +                          'y' or '1': disable kconfig check,
>>>> +                          'n' or '0': enable kconfig check.
>>
>>> Maybe it would be better named LTP_KCONFIG_SKIP or even
>>> KCONFIG_SKIP_CHECK we do have KCONFIG_PATH so it would make sense to
>>> keep the kernel config related variables prefixed with just KCONFIG_
>>
>>> I think that the point made by Tim Bird was that the KCONFIG_PATH should
>>> be standartized variable among testsuites, so it makes sense to have
>>> KCONFIG_SKIP_CHECK as a standartized variable as well.
>>
>> Is it too bad to have LTP_KCONFIG_SKIP_CHECK and LTP_KCONFIG_PATH ?
>> Maybe we could change it even now.
>
> Yes, the whole reason not to prefix it with LTP_ is to have a standard
> among all the testsuites. The more variables are standartized the
> better.
This make me remember xfstests  testsuite also has KCONFIG_PATH 
environment variable.

I will use KCONFIG_SKIP_CHECK name firstly, Unless Tim objects(may know 
  other testsuite has used KCONFIG_ environment variable ) or has a 
better naming method.

Best Regards
Yang Xu
>
>> TST_NO_CLEANUP (IMHO should be changed to LTP_NO_CLEANUP).
>
> Unless we want to have a standard for that one as well. Really all we
> need to is to create a page with the description of these variables and
> agree on a common subset. It's that simple, but someone has to actually
> do it.
>