From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH v5] xen/iommu: smmu: Advertise when the SMMU support coherent table walk Date: Mon, 2 Mar 2015 17:04:28 +0000 Message-ID: <1425315868.24959.20.camel@citrix.com> References: <1425310963-20948-1-git-send-email-julien.grall@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1YSTmi-00022C-3O for xen-devel@lists.xenproject.org; Mon, 02 Mar 2015 17:05:36 +0000 In-Reply-To: <1425310963-20948-1-git-send-email-julien.grall@linaro.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Julien Grall Cc: xen-devel@lists.xenproject.org, stefano.stabellini@citrix.com, tim@xen.org List-Id: xen-devel@lists.xenproject.org On Mon, 2015-03-02 at 15:42 +0000, Julien Grall wrote: > I've just noticed that the support on the previous driver (i.e in > Xen 4.5) may incorrectly expose this feature when all the SMMUs is > not supporting coherent table walk. > > I'm not sure, if I should send a patch for it. Probably not a lot of point given the dearth of hardware where it would actually matter? Ian.