From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755854AbbIOJ7e (ORCPT ); Tue, 15 Sep 2015 05:59:34 -0400 Received: from mail.kernel.org ([198.145.29.136]:51166 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752857AbbIOJFc (ORCPT ); Tue, 15 Sep 2015 05:05:32 -0400 From: lizf@kernel.org To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Ekaterina Tumanova , Christian Borntraeger , Zefan Li Subject: [PATCH 3.4 005/146] KVM: s390: Zero out current VMDB of STSI before including level3 data. Date: Tue, 15 Sep 2015 17:02:00 +0800 Message-Id: <1442307861-32031-5-git-send-email-lizf@kernel.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1442307787-31952-1-git-send-email-lizf@kernel.org> References: <1442307787-31952-1-git-send-email-lizf@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ekaterina Tumanova 3.4.109-rc1 review patch. If anyone has any objections, please let me know. ------------------ commit b75f4c9afac2604feb971441116c07a24ecca1ec upstream. s390 documentation requires words 0 and 10-15 to be reserved and stored as zeros. As we fill out all other fields, we can memset the full structure. Signed-off-by: Ekaterina Tumanova Reviewed-by: David Hildenbrand Signed-off-by: Christian Borntraeger Signed-off-by: Zefan Li --- arch/s390/kvm/priv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index e5a45db..f641458 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -218,6 +218,7 @@ static void handle_stsi_3_2_2(struct kvm_vcpu *vcpu, struct sysinfo_3_2_2 *mem) for (n = mem->count - 1; n > 0 ; n--) memcpy(&mem->vm[n], &mem->vm[n - 1], sizeof(mem->vm[0])); + memset(&mem->vm[0], 0, sizeof(mem->vm[0])); mem->vm[0].cpus_total = cpus; mem->vm[0].cpus_configured = cpus; mem->vm[0].cpus_standby = 0; -- 1.9.1