[d-kernel] [PATCH v2 std-def/sisyphus] config: Update some config options

[Vitaly Chikunov]

On Sun, May 08, 2022 at 03:30:23PM +0300, Vitaly Chikunov wrote:
> On Sun, May 08, 2022 at 03:27:08PM +0300, Vitaly Chikunov wrote:
> > On Sun, May 08, 2022 at 03:13:29PM +0300, Dmitry V. Levin wrote:
> > > On Sun, May 08, 2022 at 02:14:03PM +0300, Vitaly Chikunov wrote:
> > > > Based on suggestions from Alexey V. Vissarionov <gremlin at altlinux.org>,
> > > > but not completely following them. All mistakes are mine.
> > > > 
> > > > - Mostly - add new hardware support.
> > > > - Disable some legacy stuff.
> > > > - Turn off SHA1 by default, replace with SHA512.
> > > > - Set panic=600 by default.
> > > [...]
> > > > --- a/config
> > > > +++ b/config
> > > > @@ -99,7 +99,7 @@ CONFIG_NO_HZ_IDLE=y
> > > >  # CONFIG_NO_HZ_FULL is not set
> > > >  CONFIG_CONTEXT_TRACKING=y
> > > >  CONFIG_CONTEXT_TRACKING_FORCE=y
> > > > -CONFIG_NO_HZ=y
> > > > +# CONFIG_NO_HZ is not set
> > > 
> > > Посмотрел Documentation/timers/no_hz.rst и не понял, как обосновано это
> > > изменение.
> > 
> > Следующим образом:
> > 
> >   config NO_HZ
> > 	  bool "Old Idle dynticks config"
> > 	  help
> > 	    This is the old config entry that enables dynticks idle.
> > 	    We keep it around for a little while to enforce backward
> > 	    compatibility with older config files.
> > 
> > Фраза "old". Плюс фраза "old obsolete dynticks idle symbol" в коммите,
> > который добавляет этот текст:
> > 
> >   commit 0644ca5c774f1a7033bfc83c7ed0660f74f28b56
> >   AuthorDate: Fri Apr 12 16:40:12 2013 +0200
> > 
> >       Namely we want:
> > 
> > 	      config NO_HZ # old obsolete dynticks idle symbol
> > 		      bool
> > 
> > 	      config NO_HZ_IDLE # new dynticks idle symbol
> > 		      default NO_HZ

Как я понимаю, вся функция NO_HZ - включать NO_HZ_IDLE.

> > 
> > 
> > Я так же не нахожу в коде использования CONFIG_NO_HZ.
> > 
> > (ps. У меня на defconfig она оказалась =y, но сейчас я его перегенерировал и
> 
> То есть была =n первый раз.
> 
> > она стала =y. Значит тут я ошибся.)
> > 
> > 
> > > 
> > > 
> > > -- 
> > > ldv
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