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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH 1/2] ioport: add function to check whenever a
	port is assigned or not
Date: Mon, 24 May 2010 13:32:50 +0100
References: <1274262857-31964-1-git-send-email-kraxel@redhat.com>
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To: qemu-devel@nongnu.org
Cc: Gerd Hoffmann <kraxel@redhat.com>

> +int is_ioport_assigned(pio_addr_t addr)

Shouldn't we move this into register_ioport_{read,write}, and have that fail 
if the port has already been assigned?

Paul