Re: [PATCH 4/9 UPDATED-1] x86: Initialize 32bit logical apicidmapping early during boot

From: Ingo Molnar
Date: Thu Nov 18 2010 - 04:08:48 EST



* Tejun Heo <tj@xxxxxxxxxx> wrote:

> Hello,
>
> On 11/18/2010 09:42 AM, Ingo Molnar wrote:
> > This is a very sensitive area of code that tends to blow up in nasty
> > ways. So when we do changes here we want them super-finegrained. If
> > you split it up into 30 reasonable patches - no problem at
> > all. (here up to 5 would suffice i think)
>
> I'll probably split it to three or four. That said, I don't really
> think it would help bisection. But, anyways, no problem.

The most critical patch will of course be the most likely one to regress so a
split-up does not help bisection per se.

The help this does for us is _fixing_ stuff: we will be looking at a 20 lines patch,
not a 200 lines one ...

> [...] For now, I would suggest leaving them ugly. At least
> they're now properly localized after the patchset.

ok. Please add a comment declaring the ugliness and explaining why they are ugly -
so that future hackers see it as an exception to the rule, not as an example to
follow ;-)

Thanks,

Ingo
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