From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Implement 3-level event channel routines in Linux. Date: Mon, 31 Dec 2012 18:38:54 +0000 Message-ID: <1356979137-18484-1-git-send-email-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: 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.xen.org Cc: konrad.wilk@oracle.com List-Id: xen-devel@lists.xenproject.org This patch series implements 3-level event channel routines in Linux kernel. My thought is that 3-level event channel is only useful for Dom0 or driver domain, so it is not enabled by default. Enable it with evtchn_level=3 in kernel command line. HVM is not supported at the moment. As it is not very likely it will need this. And I haven't found a right place to issue the hypercall. My understaning is that PVH has more or less the same initialization process as PV, so the current implementation should work for PVH as well. Please correct me if I'm wrong.