linux-kernel - Re: [PATCH 18/21] pci: drop unused Kconfig symbol

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Date:	Fri, 14 Oct 2011 10:39:55 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Paul Bolle <pebolle@...cali.nl>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 18/21] pci: drop unused Kconfig symbol

On Fri, Oct 14, 2011 at 04:22:06PM +0200, Paul Bolle wrote:
> On Fri, 2011-10-14 at 16:11 +0200, Paul Bolle wrote:
> > Perhaps this driver is (some part of) xen. That I didn't check. Should I
> > have done that too?
> 
> Obviously, since this symbol in unused now, it's not possible to
> determine what driver is involved. That would be different if this
> Kconfig symbol was actually used previously. But I didn't check - for

Huh? You can look at what it depends and track that down.

> all those symbols involved in this series - why they turned out to be
> unused now. So I can't say whether these symbols should never have been
> in the tree in the first place or whether they were forgotten when
> someone removed their last actual usage.

I am so confused. So lets start with the foremost question I have:

How did you determine that they were unusued?
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