linux-kernel - Re: [PATCH 1/5] all: s390: move wrapper infrastructure to generic headers

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Message-ID: <20160217135714.GB13549@yury-N73SV>
Date:	Wed, 17 Feb 2016 16:57:14 +0300
From:	Yury Norov <ynorov@...iumnetworks.com>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
CC:	<linux-arch@...r.kernel.org>, <linux-s390@...r.kernel.org>,
	<arnd@...db.de>, <pinskia@...il.com>,
	<Prasun.Kapoor@...iumnetworks.com>, <catalin.marinas@....com>,
	<Nathan_Lynch@...tor.com>, <linux-kernel@...r.kernel.org>,
	<agraf@...e.de>, <klimov.linux@...il.com>, <broonie@...nel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <schwidefsky@...ibm.com>,
	<joseph@...esourcery.com>,
	<christoph.muellner@...obroma-systems.com>
Subject: Re: [PATCH 1/5] all: s390: move wrapper infrastructure to generic
 headers

On Wed, Feb 17, 2016 at 09:22:10AM +0100, Heiko Carstens wrote:
> On Tue, Feb 02, 2016 at 11:41:56PM +0300, Yury Norov wrote:
> > > However I'll try to write an addon patch to your patch series. Maybe we can
> > > still get rid of compat_wrapper.c in a way which makes both of us happy.
> > > Also.. the idea with the alias names for compat wrappers does seem to have
> > > the disadvantage that it will pollute /proc/kallsyms for example.
> > > 
> > > Anyway, I'm not sure if I will be able to come up with something this week
> > > though.
> > 
> > Great, I'm looking forward...
> 
> Hi Yuri,
> 
> after playing around with this a bit I couldn't come up with a solution
> that I'm happy with, unfortunately.
> 
> So in order to make some progress here I'd vote that we simply move the
> existing compat_wrapper.c from arch/s390 to common code like you did in
> your first approach and leave the existing SYSCALL macros alone.
> 
> That will have hardly any effect to anybody else and your problem is
> solved while s390 still works.
> 
> Does that make sense?
> 

OK. This week I'll split v1 as I did with v2, and send it here. So
we'll have two versions, and so will start true elections. :)

> 
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> linux-arm-kernel@...ts.infradead.org
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