From patchwork Wed Jan 18 23:17:37 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 136724 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 91E461007D3 for ; Thu, 19 Jan 2012 10:17:43 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752811Ab2ARXRl (ORCPT ); Wed, 18 Jan 2012 18:17:41 -0500 Received: from cantor2.suse.de ([195.135.220.15]:56866 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752617Ab2ARXRk (ORCPT ); Wed, 18 Jan 2012 18:17:40 -0500 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 A893190B96; Thu, 19 Jan 2012 00:17:39 +0100 (CET) From: Alexander Graf To: kvm-ppc Cc: Paul Mackerras , "dvaleev@suse.com Valeev" , KVM list , David Gibson Subject: [PATCH 2/3] KVM: PPC: Initialize linears with zeros Date: Thu, 19 Jan 2012 00:17:37 +0100 Message-Id: <1326928658-10791-3-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1326928658-10791-1-git-send-email-agraf@suse.de> References: <1326928658-10791-1-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 RMAs and HPT preallocated spaces should be zeroed, so we don't accidently leak information from previous VM executions. Signed-off-by: Alexander Graf Acked-by: Paul Mackerras --- arch/powerpc/kvm/book3s_hv_builtin.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c index 1c7e6ab..7caed1d 100644 --- a/arch/powerpc/kvm/book3s_hv_builtin.c +++ b/arch/powerpc/kvm/book3s_hv_builtin.c @@ -152,6 +152,7 @@ static struct kvmppc_linear_info *kvm_alloc_linear(int type) break; } spin_unlock(&linear_lock); + memset(ri->base_virt, 0, ri->npages << PAGE_SHIFT); return ri; }