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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 87250C31E4C for ; Fri, 14 Jun 2019 05:46:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6818421473 for ; Fri, 14 Jun 2019 05:46:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726293AbfFNFqL (ORCPT ); Fri, 14 Jun 2019 01:46:11 -0400 Received: from mx2.suse.de ([195.135.220.15]:44216 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725940AbfFNFqJ (ORCPT ); Fri, 14 Jun 2019 01:46:09 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 00942ADFA; Fri, 14 Jun 2019 05:46:07 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: Juergen Gross , Konrad Rzeszutek Wilk , Boris Ostrovsky , Stefano Stabellini , stable@vger.kernel.org Subject: [PATCH v3 0/3] xen/swiotlb: fix an issue and improve swiotlb-xen Date: Fri, 14 Jun 2019 07:46:01 +0200 Message-Id: <20190614054604.30101-1-jgross@suse.com> X-Mailer: git-send-email 2.16.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While hunting an issue in swiotlb-xen I stumbled over a wrong test and found some areas for improvement. Juergen Gross (3): xen/swiotlb: fix condition for calling xen_destroy_contiguous_region() xen/swiotlb: simplify range_straddles_page_boundary() xen/swiotlb: remember having called xen_create_contiguous_region() drivers/xen/swiotlb-xen.c | 34 ++++++++++------------------------ include/linux/page-flags.h | 4 ++++ 2 files changed, 14 insertions(+), 24 deletions(-) -- 2.16.4