Re: [PATCH] leave APIC code inactive by default on i386

From: Dave Jones
Date: Mon Mar 06 2006 - 12:50:21 EST


On Mon, Mar 06, 2006 at 06:41:22PM +0100, Pavel Machek wrote:

> > > Is adding "noapic nolapic" to default command line a big problem?
> > For end-users, yes. People want things to 'just work', not have
> > to find arcane commands to type in to make things work.
> If distro puts "noapic nolapic" on kernel command line, I'd say users
> are unlikely to remove it.. And if they do remove it and it breaks,
> they'll only blame themselves...

If distros put 'noapic nolapic' on the command line they've only
themselves to blame when systems that need local apic for
correct operation don't work.

> One more config-option is also not "cheap" (half of users will get it
> wrong), and having config-option to change command-line-default seems
> wrong to me.
>
> [Well, you could add CONFIG_CMDLINE to i386, like arm has... that
> solves more than just this problem...]

I'm not arguing for extra command line options. The inverse, I want
*no* command line options.

What's so hard to understand about expecting something to just work?

Dave

--
http://www.codemonkey.org.uk
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