From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: [PATCH 5/7] xen-gntdev: Add reference counting to
	maps
Date: Thu, 16 Dec 2010 16:51:38 -0800
Message-ID: <4D0AB41A.70202@goop.org>
References: <1292545063-32107-1-git-send-email-dgdegra@tycho.nsa.gov>
	<1292545063-32107-6-git-send-email-dgdegra@tycho.nsa.gov>
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Cc: Daniel De Graaf <dgdegra@tycho.nsa.gov>, xen-devel@lists.xensource.com, Ian.Campbell@citrix.com
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On 12/16/2010 04:17 PM, Daniel De Graaf wrote:
> -static void gntdev_free_map(struct grant_map *map)
> -{
> -	unsigned i;
> +	atomic_sub(map->count, &pages_mapped);
>  
> -	if (!map)
> -		return;
> +	if (!use_ptemod)

Does this depend on the later hvm patch?

    J