From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH/PFC 0/2] s390 host support Date: Mon, 14 May 2007 18:55:20 +0300 Message-ID: <46488668.7020104@qumranet.com> References: <1177681224.5770.20.camel@cotte.boeblingen.de.ibm.com> <4632E94C.20904@qumranet.com> <4633099D.3020709@de.ibm.com> <463461B1.7060406@qumranet.com> <4634726F.10705@de.ibm.com> <463477EE.3000406@qumranet.com> <46347E6D.90409@de.ibm.com> <46348661.6000909@qumranet.com> <463601A3.3070206@de.ibm.com> <463603B6.3010105@qumranet.com> <46486F89.3080609@de.ibm.com> <4648774E.2060304@qumranet.com> <46487FA5.4090905@de.ibm.com> <46488047.8090404@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: "kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org" , Christian Borntraeger , carsteno-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, mschwid2-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org To: carsteno-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org Return-path: In-Reply-To: <46488047.8090404-tA70FqPdS9bQT0dZR+AlfA@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 Carsten Otte wrote: > Carsten Otte wrote: >> - When the target CPU is going idle, but has not yet called signal(), >> how can we figure from kernel space if it has masked this interrupt? > *Ouch*. Should be select(), not signal(). Ah ok. The kernel signal (or fd readiness) logic takes care of this and avoids unnecessary wakeups. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/