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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 3177DC10F14 for ; Tue, 23 Apr 2019 10:55:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0A54C20811 for ; Tue, 23 Apr 2019 10:55:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727556AbfDWKzD (ORCPT ); Tue, 23 Apr 2019 06:55:03 -0400 Received: from mx2.suse.de ([195.135.220.15]:52938 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726033AbfDWKzC (ORCPT ); Tue, 23 Apr 2019 06:55:02 -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 596F3AE20; Tue, 23 Apr 2019 10:55:01 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org Cc: konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, sstabellini@kernel.org, Juergen Gross Subject: [PATCH 0/3] xen/swiotlb: fix an issue and improve swiotlb-xen Date: Tue, 23 Apr 2019 12:54:54 +0200 Message-Id: <20190423105457.17502-1-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 | 37 ++++++++++++------------------------- 1 file changed, 12 insertions(+), 25 deletions(-) -- 2.16.4 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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 C089FC282E1 for ; Tue, 23 Apr 2019 10:55:04 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 98C4520811 for ; Tue, 23 Apr 2019 10:55:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 98C4520811 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 69097F36; Tue, 23 Apr 2019 10:55:04 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id A1467F34 for ; Tue, 23 Apr 2019 10:55:03 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 3A123F4 for ; Tue, 23 Apr 2019 10:55:03 +0000 (UTC) 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 596F3AE20; Tue, 23 Apr 2019 10:55:01 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org Subject: [PATCH 0/3] xen/swiotlb: fix an issue and improve swiotlb-xen Date: Tue, 23 Apr 2019 12:54:54 +0200 Message-Id: <20190423105457.17502-1-jgross@suse.com> X-Mailer: git-send-email 2.16.4 Cc: Juergen Gross , boris.ostrovsky@oracle.com, sstabellini@kernel.org, konrad.wilk@oracle.com X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org Message-ID: <20190423105454.bvtJeHlhqUV_xTfRAJ3VkZmrt4hEQoO9tb4NK4djDfU@z> 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 | 37 ++++++++++++------------------------- 1 file changed, 12 insertions(+), 25 deletions(-) -- 2.16.4 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 984C9C10F14 for ; Tue, 23 Apr 2019 10:55:19 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 6E9542175B for ; Tue, 23 Apr 2019 10:55:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E9542175B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hIt4r-000897-0M; Tue, 23 Apr 2019 10:55:05 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hIt4q-000892-9x for xen-devel@lists.xenproject.org; Tue, 23 Apr 2019 10:55:04 +0000 X-Inumbo-ID: 3e9cf245-65b6-11e9-92d7-bc764e045a96 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 3e9cf245-65b6-11e9-92d7-bc764e045a96; Tue, 23 Apr 2019 10:55:02 +0000 (UTC) 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 596F3AE20; Tue, 23 Apr 2019 10:55:01 +0000 (UTC) From: Juergen Gross To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org Date: Tue, 23 Apr 2019 12:54:54 +0200 Message-Id: <20190423105457.17502-1-jgross@suse.com> X-Mailer: git-send-email 2.16.4 Subject: [Xen-devel] [PATCH 0/3] xen/swiotlb: fix an issue and improve swiotlb-xen X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , boris.ostrovsky@oracle.com, sstabellini@kernel.org, konrad.wilk@oracle.com MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" V2hpbGUgaHVudGluZyBhbiBpc3N1ZSBpbiBzd2lvdGxiLXhlbiBJIHN0dW1ibGVkIG92ZXIgYSB3 cm9uZyB0ZXN0CmFuZCBmb3VuZCBzb21lIGFyZWFzIGZvciBpbXByb3ZlbWVudC4KCkp1ZXJnZW4g R3Jvc3MgKDMpOgogIHhlbi9zd2lvdGxiOiBmaXggY29uZGl0aW9uIGZvciBjYWxsaW5nIHhlbl9k ZXN0cm95X2NvbnRpZ3VvdXNfcmVnaW9uKCkKICB4ZW4vc3dpb3RsYjogc2ltcGxpZnkgcmFuZ2Vf c3RyYWRkbGVzX3BhZ2VfYm91bmRhcnkoKQogIHhlbi9zd2lvdGxiOiByZW1lbWJlciBoYXZpbmcg Y2FsbGVkIHhlbl9jcmVhdGVfY29udGlndW91c19yZWdpb24oKQoKIGRyaXZlcnMveGVuL3N3aW90 bGIteGVuLmMgfCAzNyArKysrKysrKysrKystLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCiAxIGZp bGUgY2hhbmdlZCwgMTIgaW5zZXJ0aW9ucygrKSwgMjUgZGVsZXRpb25zKC0pCgotLSAKMi4xNi40 CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRl dmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9s aXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==