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