linux-kernel - [PATCH V2] xen: event channel arrays are xen_ulong

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Message-ID: <1361285327.1051.115.camel@zakaz.uk.xensource.com>
Date:	Tue, 19 Feb 2013 14:48:47 +0000
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	xen-devel <xen-devel@...ts.xen.org>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	"Tim (Xen.org)" <tim@....org>,
	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	"Keir (Xen.org)" <keir@....org>, Jan Beulich <JBeulich@...e.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH V2] xen: event channel arrays are xen_ulong_t and not
 unsigned long

The following two patches (one for Xen, one for Linux) switch Xen event
channels from unsigned long to xen_ulong_t.

On arm, this enables us to have the same interface on arm32 and arm64
because xen_ulong_t is a 64-bit type on ARM.

On x86 there is no change because xen_ulong_t is unsigned long on x86.

Since this is an ABI change on ARM I hope we can get this in for the 3.9
merge window. I have deferred the other changes which I previously
posted along side this since they are not so critical.

Ian.

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