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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 50959C433E4 for ; Sat, 13 Jun 2020 00:41:58 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 2993F208B6 for ; Sat, 13 Jun 2020 00:41:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2993F208B6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id D8AF6889BE; Sat, 13 Jun 2020 00:41:57 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bjI6QO6u5Gpj; Sat, 13 Jun 2020 00:41:56 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id 2556688924; Sat, 13 Jun 2020 00:41:56 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 03132C089E; Sat, 13 Jun 2020 00:41:56 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 97256C0881 for ; Sat, 13 Jun 2020 00:41:54 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 88CD725D93 for ; Sat, 13 Jun 2020 00:41:54 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7CuGGgPxwm9a for ; Sat, 13 Jun 2020 00:41:50 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by silver.osuosl.org (Postfix) with ESMTPS id 72579204AC for ; Sat, 13 Jun 2020 00:41:50 +0000 (UTC) IronPort-SDR: OiIjuvWLzFbgJJS8xqTApGPy0wYElfYjVk0so89f1GEzDHxOekcK8JcB02hGpVxIX1ihDPeBMm PZWvM9dkS6pg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jun 2020 17:41:50 -0700 IronPort-SDR: tnhfQIap+R/wlIbrejzdm1S7eZ42d+agf8wc228PItBDg/FKCIX3l/63B84mb6s8EIb1X8t7ir TNsFHTh1YqfA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,505,1583222400"; d="scan'208";a="261011196" Received: from romley-ivt3.sc.intel.com ([172.25.110.60]) by orsmga007.jf.intel.com with ESMTP; 12 Jun 2020 17:41:49 -0700 From: Fenghua Yu To: "Thomas Gleixner" , "Ingo Molnar" , "Borislav Petkov" , "H Peter Anvin" , "David Woodhouse" , "Lu Baolu" , "Frederic Barrat" , "Andrew Donnellan" , "Felix Kuehling" , "Joerg Roedel" , "Dave Hansen" , "Tony Luck" , "Ashok Raj" , "Jacob Jun Pan" , "Dave Jiang" , "Yu-cheng Yu" , "Sohil Mehta" , "Ravi V Shankar" Subject: [PATCH v2 03/12] iommu/vt-d: Change flags type to unsigned int in binding mm Date: Fri, 12 Jun 2020 17:41:24 -0700 Message-Id: <1592008893-9388-4-git-send-email-fenghua.yu@intel.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1592008893-9388-1-git-send-email-fenghua.yu@intel.com> References: <1592008893-9388-1-git-send-email-fenghua.yu@intel.com> Cc: Fenghua Yu , x86 , linux-kernel , amd-gfx , iommu@lists.linux-foundation.org, linuxppc-dev X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 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="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" "flags" passed to intel_svm_bind_mm() is a bit mask and should be defined as "unsigned int" instead of "int". Change its type to "unsigned int". Suggested-by: Thomas Gleixner Signed-off-by: Fenghua Yu Reviewed-by: Tony Luck --- v2: - Add this new patch per Thomas' comment. drivers/iommu/intel/svm.c | 7 ++++--- include/linux/intel-iommu.h | 2 +- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index b5618341b4b1..4e775e12ae52 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -427,7 +427,8 @@ int intel_svm_unbind_gpasid(struct device *dev, unsigned int pasid) /* Caller must hold pasid_mutex, mm reference */ static int -intel_svm_bind_mm(struct device *dev, int flags, struct svm_dev_ops *ops, +intel_svm_bind_mm(struct device *dev, unsigned int flags, + struct svm_dev_ops *ops, struct mm_struct *mm, struct intel_svm_dev **sd) { struct intel_iommu *iommu = intel_svm_device_to_iommu(dev); @@ -954,7 +955,7 @@ intel_svm_bind(struct device *dev, struct mm_struct *mm, void *drvdata) { struct iommu_sva *sva = ERR_PTR(-EINVAL); struct intel_svm_dev *sdev = NULL; - int flags = 0; + unsigned int flags = 0; int ret; /* @@ -963,7 +964,7 @@ intel_svm_bind(struct device *dev, struct mm_struct *mm, void *drvdata) * and intel_svm etc. */ if (drvdata) - flags = *(int *)drvdata; + flags = *(unsigned int *)drvdata; mutex_lock(&pasid_mutex); ret = intel_svm_bind_mm(dev, flags, NULL, mm, &sdev); if (ret) diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 44fa8879f829..9abc30cf10fc 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -759,7 +759,7 @@ struct intel_svm { struct mm_struct *mm; struct intel_iommu *iommu; - int flags; + unsigned int flags; unsigned int pasid; int gpasid; /* In case that guest PASID is different from host PASID */ struct list_head devs; -- 2.19.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu