From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D158C10F29 for ; Tue, 17 Mar 2020 17:05:59 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 050B420714 for ; Tue, 17 Mar 2020 17:05:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Z2P6Qias" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 050B420714 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:37196 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEFfC-0007N4-2o for qemu-devel@archiver.kernel.org; Tue, 17 Mar 2020 13:05:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33325) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jEFXN-0003X8-KG for qemu-devel@nongnu.org; Tue, 17 Mar 2020 12:57:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jEFXM-00032O-HC for qemu-devel@nongnu.org; Tue, 17 Mar 2020 12:57:53 -0400 Received: from us-smtp-delivery-74.mimecast.com ([63.128.21.74]:34453) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jEFXM-0002sv-AQ for qemu-devel@nongnu.org; Tue, 17 Mar 2020 12:57:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1584464271; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vPEiiSAl56VAAKPjCBtTx1uRBef9U6A/Bk60c4u/VKQ=; b=Z2P6Qias1ONfyVCGXoy6zMRkB9T16zEHMWNL/sYqNcenHZPTgIcpqZABjh6LsELktbDIBS cE1ZG60mL1ouxlcZ5MayK7NQSJkvTAv7wbEb3jhXjXagW9xAeNVbtZU+xD4DYmrWKg53dI wHKYzDbPyUDddnX4yH0vVcJewDYDgyU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-482-psGFNm5VOO6CoJhXlx6gqw-1; Tue, 17 Mar 2020 12:57:50 -0400 X-MC-Unique: psGFNm5VOO6CoJhXlx6gqw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E98F9801E67; Tue, 17 Mar 2020 16:57:48 +0000 (UTC) Received: from gondolin (ovpn-113-156.ams2.redhat.com [10.36.113.156]) by smtp.corp.redhat.com (Postfix) with ESMTP id AF27F5E7A0; Tue, 17 Mar 2020 16:57:47 +0000 (UTC) Date: Tue, 17 Mar 2020 17:57:45 +0100 From: Cornelia Huck To: Janosch Frank Subject: Re: [PATCH v9] s390x: protvirt: Fence huge pages Message-ID: <20200317175745.7dbcb682.cohuck@redhat.com> In-Reply-To: <20200312162510.5472-1-frankja@linux.ibm.com> References: <20200311132151.172389-1-frankja@linux.ibm.com> <20200312162510.5472-1-frankja@linux.ibm.com> Organization: Red Hat GmbH MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 63.128.21.74 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: borntraeger@de.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, david@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu, 12 Mar 2020 12:25:10 -0400 Janosch Frank wrote: > Let's bail out of the protected transition if we detect that huge > pages might be in use. > > Signed-off-by: Janosch Frank > --- > > I'd like to squash this into the unpack patch to give a proper error > message if we try to transition into the protected mode while being > backed by huge pages. Looks sane to me. Folding this into the unpack patch will probably create less churn. > > --- > hw/s390x/ipl.h | 16 ++++++++++++++++ > hw/s390x/s390-virtio-ccw.c | 1 - > target/s390x/diag.c | 23 ++++++++--------------- > target/s390x/kvm-stub.c | 5 +++++ > target/s390x/kvm.c | 5 +++++ > target/s390x/kvm_s390x.h | 1 + > 6 files changed, 35 insertions(+), 16 deletions(-)