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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 C454AC10F0E for ; Tue, 9 Apr 2019 12:22:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8371E20857 for ; Tue, 9 Apr 2019 12:22:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="UdMPobIQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726509AbfDIMWm (ORCPT ); Tue, 9 Apr 2019 08:22:42 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:53852 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726352AbfDIMWm (ORCPT ); Tue, 9 Apr 2019 08:22:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=ulHfNsRHf++jV1okGmg48SzfgE6ElO3Id45ej8b7XzE=; b=UdMPobIQpc73GWheAsOBcHGI6 IE+w4et4cudmQaLjA9PX1K1kKsiZYnBvHOBhzhVi42HbHExVBN9ytWTOzVLwwu0RyPfaPlDTbE7Lk l65hBpyXy1gVvBwm/FROtbIC4Y2s1kkUH3v3bTs1h4JVS8cselNqz3fmulSwj3N7Lv+0KFY+R63HE TiDBDLClFRxMIAWKa7T1AwpYmy6rOs+0roXvSMbVeNF3OpKEfH/ho9ZcIjAU6R6nXU5d4/LHdA2ET jXafBq4kB9p4YJvAN02RxYGFutvzwVJSQ4mlmMjCngguqBgEA9EW7LHMlYMoewnIEdZgMv3PU6tYl dEpttipNQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1hDplx-0003uT-Tr; Tue, 09 Apr 2019 12:22:41 +0000 Date: Tue, 9 Apr 2019 05:22:41 -0700 From: Christoph Hellwig To: Halil Pasic Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, Cornelia Huck , Martin Schwidefsky , Sebastian Ott , virtualization@lists.linux-foundation.org, Christian Borntraeger , Viktor Mihajlovski , Vasily Gorbik , Janosch Frank , Claudio Imbrenda , Farhan Ali , Eric Farman Subject: Re: [RFC PATCH 03/12] s390/mm: force swiotlb for protected virtualization Message-ID: <20190409122241.GA9312@infradead.org> References: <20190404231622.52531-1-pasic@linux.ibm.com> <20190404231622.52531-4-pasic@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190404231622.52531-4-pasic@linux.ibm.com> User-Agent: Mutt/1.9.2 (2017-12-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org > +++ b/arch/s390/include/asm/dma-mapping.h > @@ -0,0 +1,13 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +#ifndef _ASM_S390_DMA_MAPPING_H > +#define _ASM_S390_DMA_MAPPING_H > + > +#include > + > +static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) > +{ > + return NULL; > +} > + > +#endif /* _ASM_S390_DMA_MAPPING_H */ > + Congratulations! You ust create an entirely pointless duplicate of include/asm-generic/dma-mapping.h.