linux-kernel - Re: [PATCH] s390: remove HAVE_MARCH_Z9?0

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Message-ID: <20140217091021.GB4651@osiris>
Date:	Mon, 17 Feb 2014 10:10:21 +0100
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Paul Bolle <pebolle@...cali.nl>
Cc:	Martin Schwidefsky <schwidefsky@...ibm.com>, linux390@...ibm.com,
	linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] s390: remove HAVE_MARCH_Z9?0_FEATURES

On Mon, Feb 17, 2014 at 09:50:40AM +0100, Paul Bolle wrote:
> On Mon, 2014-02-17 at 09:20 +0100, Heiko Carstens wrote:
> > On Sun, Feb 16, 2014 at 06:15:27PM +0100, Paul Bolle wrote:
> > No, I want to keep them, so there is a config symbol for each cpu generation
> > and we don't have to add the config symbols again, if we actually use them.
> 
> Yes, that's the idea: only add Kconfig symbols that you are actually
> going to use.
> 
> > It's a question of completeness in this case, not if they are being used.
> 
> Completeness of what?

Each cpu generation we support is supposed to have a
"HAVE_MARCH_<GENERATION>_FEATURES" config symbol.

> Anyhow, perhaps you can comment this stuff out if you want to have it in
> the tree. See, these symbols will pop up each time that people run their
> scripts to discover problems in the kconfig space. I suppose this was
> probably not the first time these two were reported. And people not
> aware of this thread might do that again, and again...

What script did you use?

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