From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 07/10] Add VMRUN handler v4 Date: Sun, 19 Oct 2008 12:06:30 +0200 Message-ID: <48FB06A6.1070600@redhat.com> References: <1224099093-10985-1-git-send-email-agraf@suse.de> <1224099093-10985-2-git-send-email-agraf@suse.de> <1224099093-10985-3-git-send-email-agraf@suse.de> <1224099093-10985-4-git-send-email-agraf@suse.de> <1224099093-10985-5-git-send-email-agraf@suse.de> <1224099093-10985-6-git-send-email-agraf@suse.de> <1224099093-10985-7-git-send-email-agraf@suse.de> <1224099093-10985-8-git-send-email-agraf@suse.de> <48FB031C.5000602@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, joro@8bytes.org, anthony@codemonkey.ws, avi@qumranet.com To: Alexander Graf Return-path: Received: from mx2.redhat.com ([66.187.237.31]:37975 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750954AbYJSKGj (ORCPT ); Sun, 19 Oct 2008 06:06:39 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: Alexander Graf wrote: >>> --- a/arch/x86/kvm/svm.c >>> +++ b/arch/x86/kvm/svm.c >>> @@ -51,6 +51,9 @@ MODULE_LICENSE("GPL"); >>> /* Turn on to get debugging output*/ >>> /* #define NESTED_DEBUG */ >>> +/* Not needed until device passthrough */ >>> +/* #define NESTED_KVM_MERGE_IOPM */ >>> + >>> >> >> Let's assume device assignment is coming and drop the ifdefs. > > Will device assignment work with in-guest IO Passthrough or will it > rather emulate the IO accesses in userspace by issuing them again? > So far we're talking about reissuing pio. The only case where the guest and host pio are likely to have the same addresses is the vga ports, and these aren't heavily used. -- error compiling committee.c: too many arguments to function