From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v02 7/7] arm: add trap for remoteproc mmio accesses Date: Thu, 26 Jun 2014 17:52:36 +0100 Message-ID: <53AC4FD4.2070508@linaro.org> References: <1403780826-22123-1-git-send-email-andrii.tseglytskyi@globallogic.com> <1403780826-22123-8-git-send-email-andrii.tseglytskyi@globallogic.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1403780826-22123-8-git-send-email-andrii.tseglytskyi@globallogic.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Andrii Tseglytskyi , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org Hi Andrii, Thank you for the patch. On 06/26/2014 12:07 PM, Andrii Tseglytskyi wrote: > The following patch connects already introduced > remoteproc iommu framework with existing trap framework. > Now, when kernel tries to access external MMU registers, > Xen triggers remoteproc iommu, which may perform > proper pfn to mfn translation. Vijay Kilari has rewritten the MMIO handling in Xen recently. Although his patch is not yet in tree, I think it will go soon as the patch has been acked by Ian, Stefano and me. I advice you to rebase you work on it [1] [2] Regards, [1] http://lists.xen.org/archives/html/xen-devel/2014-06/msg03302.html [2] http://lists.xen.org/archives/html/xen-devel/2014-06/msg03303.html -- Julien Grall