From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bandan Das Subject: Re: max number of VCPUs Date: Wed, 22 Jul 2015 16:27:49 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Cc: kvm@vger.kernel.org To: Ozgur O Kilic Return-path: Received: from mx1.redhat.com ([209.132.183.28]:36963 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751756AbbGVU1v (ORCPT ); Wed, 22 Jul 2015 16:27:51 -0400 In-Reply-To: (Ozgur O. Kilic's message of "Wed, 22 Jul 2015 15:59:42 -0400") Sender: kvm-owner@vger.kernel.org List-ID: Ozgur O Kilic writes: > Hi, > > I was trying to find out the max number of vpcus and what is the > reason of having that. I found 2 number about it one is the recommend > max by KVM which is 160 and the other number was 255. Can someone > tell me what are the reasons of this limitations? Why 160 is the > recommended max and why the max number is 255? 255 comes from apic limitation and 160 because that's the max someone has ever tested ? Bandan > Thank you. > Ozgur Ozan Kilic > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html