From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH 1/2] x86/hvm: actually release ioreq server
	pages
Date: Thu, 23 Apr 2015 16:50:57 +0100
Message-ID: <553914E1.5050705@citrix.com>
References: <1429803988-10177-1-git-send-email-paul.durrant@citrix.com>
	<1429803988-10177-2-git-send-email-paul.durrant@citrix.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta3.messagelabs.com ([195.245.230.39])
	by lists.xen.org with esmtp (Exim 4.72)
	(envelope-from <Andrew.Cooper3@citrix.com>) id 1YlKmb-0001fT-T6
	for xen-devel@lists.xenproject.org; Thu, 23 Apr 2015 17:19:26 +0000
In-Reply-To: <1429803988-10177-2-git-send-email-paul.durrant@citrix.com>
List-Unsubscribe: <http://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Paul Durrant <paul.durrant@citrix.com>, xen-devel@lists.xenproject.org
Cc: Keir Fraser <keir@xen.org>, Jan Beulich <jbeulich@suse.com>
List-Id: xen-devel@lists.xenproject.org

On 23/04/15 16:46, Paul Durrant wrote:
> hvm_free_ioreq_gmfn has the sense of the ioreq_gmfn mask inverted; it
> needs to set a bit to release the gmfn, not clear it.
>
> Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
> Cc: Keir Fraser <keir@xen.org>
> Cc: Jan Beulich <jbeulich@suse.com>
> Cc: Andrew Cooper <andrew.cooper3@citrix.com>

s/mask/free_mask/ ?

For the change itself, Reviewed-by: Andrew Cooper
<andrew.cooper3@citrix.com>

> ---
>  xen/arch/x86/hvm/hvm.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
> index bfde380..f840175 100644
> --- a/xen/arch/x86/hvm/hvm.c
> +++ b/xen/arch/x86/hvm/hvm.c
> @@ -496,7 +496,7 @@ static void hvm_free_ioreq_gmfn(struct domain *d, unsigned long gmfn)
>  {
>      unsigned int i = gmfn - d->arch.hvm_domain.ioreq_gmfn.base;
>  
> -    clear_bit(i, &d->arch.hvm_domain.ioreq_gmfn.mask);
> +    set_bit(i, &d->arch.hvm_domain.ioreq_gmfn.mask);
>  }
>  
>  static void hvm_unmap_ioreq_page(struct hvm_ioreq_server *s, bool_t buf)