Re: RFC: deprecate CONFIG_X86_CPU_DEBUG and schedule it for rapidremoval

From: Ingo Molnar
Date: Sat Jan 23 2010 - 00:23:59 EST

* Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Fri, 22 Jan 2010, Andrew Morton wrote:
> >
> > We know that enabling this feature will cause some machines to hang,
> > and that this problem has existed for six months.
> >
> > Would it not be better to fix that problem (perhaps just with the
> > revert) so that 2.6.33, 2.6.32.x and earlier can be fixed? Then we can
> > nuke the feature in 2.6.34.
> Another way of looking at is "we know it's been broken for six months, and
> clearly nobody really ever enabled it in any distro, and even getting a bug
> report on it took forever. So why keep it around at all"?
> So I'd personally rather just remove it outright than deprecate it or even
> try to fix it. Since clearly absolutely nobody depends on it.
> The usual reason for deprecating a feature is to give people time to move
> away from it, but since clearly nobody uses it...

Excellent - that makes it all even simpler to handle.

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