From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Pau Monne Subject: [PATCH RFC 0/2] Fix grant map/unmap with auto-translated guests Date: Fri, 4 Apr 2014 16:37:32 +0200 Message-ID: <1396622254-13069-1-git-send-email-roger.pau@citrix.com> 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 1WW5FY-0002MX-Hb for xen-devel@lists.xenproject.org; Fri, 04 Apr 2014 14:37:44 +0000 Received: from gateway-cbg.eng.citrite.net ([10.80.16.17] helo=FTLPEX01CL02.citrite.net) by ukmail1.uk.xensource.com with esmtp (Exim 4.69) (envelope-from ) id 1WW5FU-00021W-Tv for xen-devel@lists.xenproject.org; Fri, 04 Apr 2014 15:37:40 +0100 List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org This series adds proper IOMMU entries when performing grant mapping/unmapping inside of auto-translated guests. In order for the guest to know if it's safe to use grant mapped pages for IO with hardware devices a new xen feature is introduced. [PATCH RFC 1/2] gnttab: add IOMMU entries for grant mappings on [PATCH RFC 2/2] xen: expose that grant table mappings update the