From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH v2] xen: add support for MSI message groups Date: Thu, 27 Feb 2014 13:45:32 -0500 Message-ID: <530F87CC.8090000__11559.7885953777$1393526730$gmane$org@oracle.com> References: <530F68BE.2070505@oracle.com> <1393524935-4216-1-git-send-email-roger.pau@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1393524935-4216-1-git-send-email-roger.pau@citrix.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: Roger Pau Monne Cc: David Vrabel , linux-kernel@vger.kernel.org, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On 02/27/2014 01:15 PM, Roger Pau Monne wrote: > Add support for MSI message groups for Xen Dom0 using the > MAP_PIRQ_TYPE_MULTI_MSI pirq map type. > > In order to keep track of which pirq is the first one in the group all > pirqs in the MSI group except for the first one have the newly > introduced PIRQ_MSI_GROUP flag set. This prevents calling > PHYSDEVOP_unmap_pirq on them, since the unmap must be done with the > first pirq in the group. Reviewed-by: Boris Ostrovsky