linux-kernel - Re: [Xen-devel] [PATCH 5/9] ARM: Xen: fix initial build problems:

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Date:	Tue, 9 Oct 2012 15:39:46 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Ian Campbell <Ian.Campbell@...rix.com>
Cc:	Russell King <rmk+kernel@....linux.org.uk>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Xen-devel] [PATCH 5/9] ARM: Xen: fix initial build problems:

On Tuesday 09 October 2012, Ian Campbell wrote:
> > * The tmem hypercall is not available on ARM
> > 
> > * ARMv6 does not support cmpxchg on 16-bit words that are used in the
> 
> missing the end of this sentence?

Right, I meant to say 

* ARMv6 does not support cmpxchg on 16-bit words that are used in the
  Xen grant table code, so we must ensure that Xen support is only built
  on ARMv7-only kernels not combined ARMv6/v7 kernels.

This should be fixed differently in the future.

	Arnd
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