[U-Boot] [PATCH v2 1/6] kconfig: re-sync with Linux 4.17-rc4

[Petr Vorel <petr.vorel@gmail.com>]

Hi Eugeniu,

> Hello Petr,

> On Sat, May 12, 2018 at 08:25:56PM +0200, Petr Vorel wrote:

> > When applied all 6 patches, I got several errors (see bellow).
> > I tested in on 2 distros (Debian unstable and openSUSE Tumbleweed).
> > The code I applied is here, did I make error when applying patches?
> > https://github.com/pevik/u-boot/tree/eugeniu/kconfig.v2

> I checked your branch and got some interesting conclusions.
> Here is the diff between my and your version of commit ("kconfig:
> re-sync with Linux 4.17-rc4"):

> $ git diff <eugeniu> <petr>
>  scripts/kconfig/tests/auto_submenu/expected_stdout        | 14 +++++++-------
>  scripts/kconfig/tests/choice/oldask0_expected_stdout      | 14 +++++++-------
>  scripts/kconfig/tests/choice/oldask1_expected_stdout      | 12 ++++++------
>  scripts/kconfig/tests/new_choice_with_dep/expected_stdout |  4 ++--
>  4 files changed, 22 insertions(+), 22 deletions(-)

> Here is the same diff ignoring whitespace:

> $ git diff -w <eugeniu> <petr>
>  scripts/kconfig/tests/auto_submenu/expected_stdout        | 0
>  scripts/kconfig/tests/choice/oldask0_expected_stdout      | 0
>  scripts/kconfig/tests/choice/oldask1_expected_stdout      | 0
>  scripts/kconfig/tests/new_choice_with_dep/expected_stdout | 0
>  4 files changed, 0 insertions(+), 0 deletions(-)

> So, it seems like all the trailing white-space from above files
> disappeared on your branch, after applying the patches from the
> email client (who did this?...).
OK, my fault, I'm sorry. Applying first patch as 'git am --whitespace=warn 1.mbox' fixes
that => make testconfig works.

Yes I applied patches with mutt (I usually use pwclient, but somehow I didn't find your v2
in patchwork [1], nor even in ML [2]. Have I overlook something.

[1] https://patchwork.ozlabs.org/project/uboot/list/
[2] https://lists.denx.de/pipermail/u-boot/2018-May/date.html


Kind regards,
Petr

> I didn't expect that trailing white-space to be of any value for the
> test results, but it turns out it is! With the whitespace removed, I can
> also reproduce the failures of "make testconfig".

> I am not familiar with pytest, but, based on what we see here, it looks
> like every single character stored in *xpected_stdout files (including
> whitespace at the end of lines) matters for the test to pass.

> I wonder if Kconfig could avoid printing whitespace in command line
> user dialogs. Then maybe those space characters could be removed from
> the "*xpected_stdout" files.

> Masahiro?

> Thanks again!

> Best regards,
> Eugeniu.