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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 3643FC4321A for ; Tue, 11 Jun 2019 10:20:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C18A2089E for ; Tue, 11 Jun 2019 10:20:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405419AbfFKKUM (ORCPT ); Tue, 11 Jun 2019 06:20:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46408 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404766AbfFKKUM (ORCPT ); Tue, 11 Jun 2019 06:20:12 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E7C43308FF32; Tue, 11 Jun 2019 10:20:11 +0000 (UTC) Received: from gondolin (ovpn-204-147.brq.redhat.com [10.40.204.147]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4C7AF1001DDC; Tue, 11 Jun 2019 10:20:02 +0000 (UTC) Date: Tue, 11 Jun 2019 12:19:58 +0200 From: Cornelia Huck To: Halil Pasic Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, Sebastian Ott , Heiko Carstens , virtualization@lists.linux-foundation.org, "Michael S. Tsirkin" , Christoph Hellwig , Thomas Huth , Christian Borntraeger , Viktor Mihajlovski , Vasily Gorbik , Janosch Frank , Michael Mueller , Claudio Imbrenda , Farhan Ali , Eric Farman , "Jason J. Herne" Subject: Re: [PATCH v4 8/8] virtio/s390: make airq summary indicators DMA Message-ID: <20190611121958.28cea8e8.cohuck@redhat.com> In-Reply-To: <20190606115127.55519-9-pasic@linux.ibm.com> References: <20190606115127.55519-1-pasic@linux.ibm.com> <20190606115127.55519-9-pasic@linux.ibm.com> Organization: Red Hat GmbH MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Tue, 11 Jun 2019 10:20:12 +0000 (UTC) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Thu, 6 Jun 2019 13:51:27 +0200 Halil Pasic wrote: > Hypervisor needs to interact with the summary indicators, so these > need to be DMA memory as well (at least for protected virtualization > guests). > > Signed-off-by: Halil Pasic > --- > drivers/s390/virtio/virtio_ccw.c | 32 ++++++++++++++++++++++++-------- > 1 file changed, 24 insertions(+), 8 deletions(-) Reviewed-by: Cornelia Huck