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=-6.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 48F1CC48BD3 for ; Mon, 24 Jun 2019 23:56:39 +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 1B968206DD for ; Mon, 24 Jun 2019 23:56:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1B968206DD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.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 DE387BBC; Mon, 24 Jun 2019 23:56:38 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id B0C2EB3E for ; Mon, 24 Jun 2019 23:56:37 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id DCE09A7 for ; Mon, 24 Jun 2019 23:56:36 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Jun 2019 16:56:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,413,1557212400"; d="scan'208";a="336667312" Received: from jacob-builder.jf.intel.com (HELO jacob-builder) ([10.7.199.155]) by orsmga005.jf.intel.com with ESMTP; 24 Jun 2019 16:56:35 -0700 Date: Mon, 24 Jun 2019 16:59:51 -0700 From: Jacob Pan To: Jonathan Cameron Subject: Re: [PATCH v4 19/22] iommu/vt-d: Clean up for SVM device list Message-ID: <20190624165951.0646b788@jacob-builder> In-Reply-To: <20190618174237.00000556@huawei.com> References: <1560087862-57608-1-git-send-email-jacob.jun.pan@linux.intel.com> <1560087862-57608-20-git-send-email-jacob.jun.pan@linux.intel.com> <20190618174237.00000556@huawei.com> Organization: OTC X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 Cc: "Tian, Kevin" , Raj Ashok , Jean-Philippe Brucker , iommu@lists.linux-foundation.org, LKML , Alex Williamson , Andriy Shevchenko , David Woodhouse 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org On Tue, 18 Jun 2019 17:42:37 +0100 Jonathan Cameron wrote: > On Sun, 9 Jun 2019 06:44:19 -0700 > Jacob Pan wrote: > > > Use combined macro for_each_svm_dev() to simplify SVM device > > iteration. > > > > Suggested-by: Andy Shevchenko > > Signed-off-by: Jacob Pan > > Reviewed-by: Eric Auger > > --- > > drivers/iommu/intel-svm.c | 79 > > +++++++++++++++++++++++------------------------ 1 file changed, 39 > > insertions(+), 40 deletions(-) > > > > diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c > > index 9cbcc1f..66d98e1 100644 > > --- a/drivers/iommu/intel-svm.c > > +++ b/drivers/iommu/intel-svm.c > > @@ -225,6 +225,9 @@ static const struct mmu_notifier_ops > > intel_mmuops = { > > static DEFINE_MUTEX(pasid_mutex); > > static LIST_HEAD(global_svm_list); > > +#define for_each_svm_dev() \ > > + list_for_each_entry(sdev, &svm->devs, list) \ > > + if (dev == sdev->dev) \ > > Could we make this macro less opaque and have it take the svm and dev > as arguments? > sounds good, it makes the code more readable. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu