From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: mm_pages_next() question Date: Sun, 29 Mar 2009 15:24:08 +0300 Message-ID: <49CF6868.7040205@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: KVM list To: Marcelo Tosatti Return-path: Received: from mx2.redhat.com ([66.187.237.31]:45227 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751137AbZC2MYL (ORCPT ); Sun, 29 Mar 2009 08:24:11 -0400 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id n2TCOAxn026145 for ; Sun, 29 Mar 2009 08:24:10 -0400 Sender: kvm-owner@vger.kernel.org List-ID: > static int mmu_pages_next(struct kvm_mmu_pages *pvec, > struct mmu_page_path *parents, > int i) > { > int n; > > for (n = i+1; n < pvec->nr; n++) { > struct kvm_mmu_page *sp = pvec->page[n].sp; > > if (sp->role.level == PT_PAGE_TABLE_LEVEL) { > parents->idx[0] = pvec->page[n].idx; > return n; > } > > parents->parent[sp->role.level-2] = sp; > parents->idx[sp->role.level-1] = pvec->page[n].idx; > } > > return n; > } Do we need to break out of the loop if we switch parents during the loop (since that will give us a different mmu_page_path)? Or are callers careful to only pass pvecs which belong to the same shadow page? -- error compiling committee.c: too many arguments to function