[LTP] [PATCH v2 1/1] editorconfig: add consistent formatting rules for LTP

[Petr Vorel]

> On Fri, Mar 27, 2026 at 06:43:38PM +0100, Petr Vorel wrote:
> > > Hi Petr,

> > > > FYI I asked for 4 in v1 [1], Jan had originally 8 and I'm ok with following
> > > > kernel. It's just my personal preference to display tab as 4 spaces and not 8
> > > > (IMHO editorconfig plugins don't allow certain setup to be overwritten).

> > > Sorry I missed that. I'm just wondering if editor configuration is applied
> > > only for visualization or also for typing. If it's applied for typing then we
> > > can't use 4 chars, otherwise we will have many issues with checkpatch.pl when
> > > verifying the source code.

> > To be honest I don't know (I haven't installed the plugin for my editor yet).
> > But I'd suspect that on indent_style = tab it just adds a tab and indent_size = 8
> > is only the representation.

> > https://github.com/editorconfig/editorconfig/wiki/EditorConfig-Properties#indent_size

> > 	Indentation Size (in single-spaced characters)

> > 	Possible Values

> > 		an integer
> > 		tab

> > 	If indent_size equals to tab, the indent_size will be set to the tab size,
> > 	which should be tab_width if tab_width is specified, or the tab size set by
> > 	editor if tab_width is not specified.

> > I wonder if it worked for us to set indent_size = unset for all indent_style = tab
> > (of course not for indent_style = space).

> > https://github.com/editorconfig/editorconfig/wiki/EditorConfig-Properties#current-universal-properties

> > 	For any property, a value of unset is to remove the effect of that property,
> > 	even if it has been set before. For example, add indent_size = unset to undefine
> > 	indent_size property (and use editor default).

> > @Jan?

> > Kind regards,
> > Petr
> Hi Petr,

> Good catch, the EditorConfig wiki is explicit here:

> - indent_size can be an integer or tab.
> - If indent_size = tab, then indent_size becomes the tab size:
>   tab_width if set, otherwise the editor’s default tab size.
> - Any property can be set to unset to remove its effect (so the editor
>   default is used).

> So yes: we could do indent_style = tab together with
> indent_size = unset if the goal is “tabs, but don’t prescribe a
> width”.
> If we want consistent visual width/alignment across editors, a more
> explicit setup would be indent_size = tab plus tab_width = 8.

Hopefully all editors have meaningful default therefore I'd be for not setting
it. But not a strong requirement if others want to have it specified.

Kind regards,
Petr

> Kind regards,
> Jan