linux-kernel - Re: [PATCH v3 00/17] Cross-architecture definitions of relaxed MMIO accessors

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Date:	Mon, 29 Sep 2014 10:23:25 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Will Deacon <will.deacon@....com>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"benh@...nel.crashing.org" <benh@...nel.crashing.org>,
	"chris@...kel.net" <chris@...kel.net>,
	"cmetcalf@...era.com" <cmetcalf@...era.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"deller@....de" <deller@....de>,
	"dhowells@...hat.com" <dhowells@...hat.com>,
	"geert@...ux-m68k.org" <geert@...ux-m68k.org>,
	"heiko.carstens@...ibm.com" <heiko.carstens@...ibm.com>,
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	"daniel.thompson@...aro.org" <daniel.thompson@...aro.org>,
	"broonie@...aro.org" <broonie@...aro.org>
Subject: Re: [PATCH v3 00/17] Cross-architecture definitions of relaxed MMIO
 accessors

On Fri, Sep 26, 2014 at 11:36:13PM +0200, Arnd Bergmann wrote:
> On Friday 26 September 2014 14:46:08 Russell King - ARM Linux wrote:
> > 
> > Obviously, this does nothing for the:
> > 
> > include/asm-generic/io.h:804:29: error: redefinition of 'virt_to_bus'
> > include/asm-generic/io.h:809:21: error: redefinition of 'bus_to_virt'
> > 
> > errors which are also reported in Olof's build system.
> > 
> > Given how close we are to the merge window, I'd suggest this stuff gets
> > reverted so that it can have a better period of testing, rather than
> > stuffing it into -next at such a critical time.
> 
> Right, I've fixed these all up locally, but then found new warnings on
> allmodconfig builds that I haven't been able to track down yet.
> 
> I've dropped everything from the asm-generic tree now, so we can get
> a clean linux-next tree.

How about if I keep iterating this series? It seems like most failures
can be reproduced by doing ARM defconfig and allmodconfig builds, so
I'll do those and fix up any issues I find. Hopefully I can squash all
these before 3.18-rc1, then we can take it into linux-next early for
3.19? In the meantime perhaps I can work with Olof to get a branch with
these patches tested on his builder? And perhaps on the 0-day builder in
addition?

Thierry

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