From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] VMX: inject high priority interrupts first Date: Thu, 13 Dec 2007 18:29:35 +0200 Message-ID: <47615DEF.2010204@qumranet.com> References: <47613102.1020200@qumranet.com> <10EA09EFD8728347A513008B6B0DA77A0281F361@pdsmsx411.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1726587865==" Cc: kvm-devel To: "Dong, Eddie" Return-path: In-Reply-To: <10EA09EFD8728347A513008B6B0DA77A0281F361-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org --===============1726587865== Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: 7bit Dong, Eddie wrote: > This is not necessary, vector doesn;t mean priority. > > Remember I ever had a talk with Avi that user level irqchip could only support > one vector pending in kernel like you mentioned too. On the other hand, > if we have multiple pending vectors, we will lose priority. The point here > is that vector doesn;t stand for priority for example slave PIC has higher priority > than IRQ3-7 of master PIC. Using ffs or fls doesn;t matter here. > > Yes. > But I think we'd better clean the code to just use pending_vector instead > of bitmap to reduce those kind of unnecessary bit scan/set/clear etc. > That's my plan; use a pending vector and put it in subarch independent code. -- error compiling committee.c: too many arguments to function --===============1726587865== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------- SF.Net email is sponsored by: Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace --===============1726587865== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ kvm-devel mailing list kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org https://lists.sourceforge.net/lists/listinfo/kvm-devel --===============1726587865==--