From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: [PATCH v4] KVM: Introduce direct MSI message injection for in-kernel irqchips Date: Tue, 24 Apr 2012 15:24:21 +0200 Message-ID: <4F96A985.3090705@siemens.com> References: <4F734EB3.20500@siemens.com> <4F748AAD.2040103@siemens.com> <4F74B484.30607@siemens.com> <4F969513.9020706@redhat.com> <4F969789.30802@siemens.com> <4F96A3A1.7070808@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , kvm , "Michael S. Tsirkin" , Eric Northup To: Avi Kivity Return-path: Received: from thoth.sbs.de ([192.35.17.2]:23896 "EHLO thoth.sbs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754481Ab2DXNY1 (ORCPT ); Tue, 24 Apr 2012 09:24:27 -0400 In-Reply-To: <4F96A3A1.7070808@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 2012-04-24 14:59, Avi Kivity wrote: > On 04/24/2012 03:07 PM, Jan Kiszka wrote: >> On 2012-04-24 13:57, Avi Kivity wrote: >>> On 03/29/2012 09:14 PM, Jan Kiszka wrote: >>>> Currently, MSI messages can only be injected to in-kernel irqchips by >>>> defining a corresponding IRQ route for each message. This is not only >>>> unhandy if the MSI messages are generated "on the fly" by user space, >>>> IRQ routes are a limited resource that user space has to manage >>>> carefully. >>>> >>>> By providing a direct injection path, we can both avoid using up limited >>>> resources and simplify the necessary steps for user land. >>>> >>>> >>> >>> Applied to queue (for 3.5). >>> >>> Thanks for your patience. >> >> Oops, that was now unexpectedly fast. > > I hope you don't mean the ~ 1 month timeframe for the whole thing. Really the last phase. I was preparing for another round of discussions. > >> Extending and slightly reformatting the API docs I noticed some >> inconsistency. Will send fixes soon. Can you fold this into my patch, or >> just apply it on top? >> >> > > Since it's just in queue, not next, will fold into parent patch. > Thanks, Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux