From patchwork Tue Aug 7 10:57:15 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 175588 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3D31D2C0098 for ; Tue, 7 Aug 2012 20:57:28 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753880Ab2HGK50 (ORCPT ); Tue, 7 Aug 2012 06:57:26 -0400 Received: from cantor2.suse.de ([195.135.220.15]:48083 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753730Ab2HGK5W (ORCPT ); Tue, 7 Aug 2012 06:57:22 -0400 Received: from relay2.suse.de (unknown [195.135.220.254]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id 292C2A3EBF; Tue, 7 Aug 2012 12:57:22 +0200 (CEST) From: Alexander Graf To: kvm-ppc@vger.kernel.org Cc: KVM list , kvmarm@lists.cs.columbia.edu Subject: [PATCH 7/8] KVM: Add page map arch callback Date: Tue, 7 Aug 2012 12:57:15 +0200 Message-Id: <1344337036-22244-8-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1344337036-22244-1-git-send-email-agraf@suse.de> References: <1344337036-22244-1-git-send-email-agraf@suse.de> Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org Some archs need to ensure that their icache is flushed when mapping a new page. Add a callback to the generic code for an arch to implement any cache flush logic it may need. Signed-off-by: Alexander Graf --- virt/kvm/kvm_main.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index d42591d..4e0882d 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1161,8 +1161,12 @@ static pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async, pfn = get_fault_pfn(); } up_read(¤t->mm->mmap_sem); - } else + } else { pfn = page_to_pfn(page[0]); +#ifdef __KVM_HAVE_ARCH_MAP_PAGE + kvm_arch_map_page(page[0]); +#endif + } return pfn; }