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=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 14D02C43603 for ; Wed, 4 Dec 2019 13:03:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DC13F20661 for ; Wed, 4 Dec 2019 13:03:48 +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="V9NFCvdS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727649AbfLDNDr (ORCPT ); Wed, 4 Dec 2019 08:03:47 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:52458 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726604AbfLDNDr (ORCPT ); Wed, 4 Dec 2019 08:03:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=VAw+exV6zFNd79GLsJ/i683SHwBX9ctSDVhWZEuWOOo=; b=V9NFCvdSmtkVG2Erzr/1Lg4wA WPk5PvNGR+PQCfY+6HS/6i3CBsIjfOt6+DqPNrwPgGaILBpaSAkNwQZfiGFUaB395Bw1IhWlq6RUz R3w7Z94R6RpKPBBGEzWa8KS1dfIgd1C1Sqg6a8HFsNgQcP9hE3s1/ufXIdaFr81MhT0h+YzUlQleV pPyNAzssNUd0iT3dSLt71WgPiSL/hnwhYhosH3jrPywToVGSq96EJXlYPYLtqlQZLCnHn2wF1vf2J R3oHrIsvK2sKKA3k0Eh2MY75cpD1mqJu3LQ6Zr0I/MDcGmpgTRK90NOWRIy6E6duNqMMR5OJigo7m AACJbWy5A==; Received: from clnet-p19-102.ikbnet.co.at ([83.175.77.102] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1icUJi-000462-KO; Wed, 04 Dec 2019 13:03:43 +0000 From: Christoph Hellwig To: Thomas Hellstrom Cc: =?UTF-8?q?Christian=20K=C3=B6nig?= , Tom Lendacky , iommu@lists.linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: make dma_addressing_limited work for memory encryption setups v2 Date: Wed, 4 Dec 2019 14:03:37 +0100 Message-Id: <20191204130339.22804-1-hch@lst.de> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, this little series fixes dma_addressing_limited to return true for systems that use bounce buffers due to memory encryption. Changes since v1: - take SWIOTLB_FORCE into account