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From: Yann E. MORIN <yann.morin.1998@free.fr>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH v1 0/2] Checking whether a certain CONFIG_* is set
Date: Wed, 19 Aug 2015 21:21:57 +0200	[thread overview]
Message-ID: <20150819192157.GC13372@free.fr> (raw)
In-Reply-To: <20150819210830.6c52ebed@free-electrons.com>

Thomas, All,

On 2015-08-19 21:08 +0200, Thomas Petazzoni spake thusly:
> On Wed, 19 Aug 2015 21:05:34 +0200, Yann E. MORIN wrote:
[--SNIP--]
> > Now, there are two questions:
> > 
> >   - will we need to _check_ for any arbitrary kernel option to be set,
> >     and offer packages a simple mean to do so?
> > 
> >   - will we need to _force_ (on or off) any other kernel option, and
> >     offer packages a simple mean to do so?
> 
> We already do your second item.

No, we are not allowing any random package to set kernel options.

We do have infra for packages to tweak their *own* options, not those
of other packages (and history has proved it was not doable, I should
know, I tried and failed miserably with the lzo stuff).

> In general, I'd like to keep the handling of the kernel configuration
> to be as minimal as possible. Otherwise, we'll quickly enter a
> situation where we need to enable different kernel options depending on
> the kernel version. It can quickly become a real nightmare. Buildroot
> has always been about the user knowing what (s)he is doing, including
> in terms of making sure that the kernel configuration matches what is
> done in userspace.

I do fully agree with you on this position. Tweaking the kernel options
is a real hornet's nest...

Regards,
Yann E. MORIN.

-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| +33 223 225 172 `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
'------------------------------^-------^------------------^--------------------'

  reply	other threads:[~2015-08-19 19:21 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-17 16:50 [Buildroot] xtables-addons does not build for arm kernel 4.1.4 Jan Viktorin
2015-08-17 21:52 ` Peter Korsgaard
2015-08-17 22:35   ` Jan Viktorin
2015-08-19 13:14   ` [Buildroot] [PATCH v1 0/2] Checking whether a certain CONFIG_* is set Jan Viktorin
2015-08-19 13:14     ` [Buildroot] [PATCH v1 1/2] pkg-utils: Define KCONFIG_ASSERT_OPT macro Jan Viktorin
2015-08-19 19:16       ` Yann E. MORIN
2015-08-19 13:14     ` [Buildroot] [PATCH v1 2/2] xtables-addons: test CONFIG_MODULES=y in the kernel Jan Viktorin
2015-08-19 17:46     ` [Buildroot] [PATCH v1 0/2] Checking whether a certain CONFIG_* is set Thomas Petazzoni
2015-08-19 19:05       ` Yann E. MORIN
2015-08-19 19:08         ` Thomas Petazzoni
2015-08-19 19:21           ` Yann E. MORIN [this message]
2015-08-19 20:23             ` Thomas Petazzoni
2015-08-19 21:05         ` Peter Korsgaard
2015-08-21 13:22           ` Yann E. MORIN
2015-08-21 13:41             ` Jeremy Rosen
2015-08-21 20:28             ` Peter Korsgaard
2015-08-21 21:05               ` Yann E. MORIN
2015-08-21 22:17                 ` Peter Korsgaard

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