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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 74FB8C433F5 for ; Tue, 8 Feb 2022 01:49:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344632AbiBHBtk (ORCPT ); Mon, 7 Feb 2022 20:49:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245577AbiBHB2B (ORCPT ); Mon, 7 Feb 2022 20:28:01 -0500 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0AA0C061355 for ; Mon, 7 Feb 2022 17:28:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1644283680; x=1675819680; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5nC5HUNWEMGddahPwy3d2IwT2x0IWkmWDFevLiz9p1o=; b=JGylh7N0Jm/SoJzN80BNgrN6CjC4aRE2FUTWuc/qRgEf1bknGqq1tZpG Ldz4YJ35TggEcpkRrVdScpSXYnhYw43WTZooHAH4tTmh7gL8fPi9jvOFz F9Ron3C3pZ4UBs5GzbPvnP1hce/ruf5q8AQqfCqqnQN6N1/3Ku6mfDKOF 6oVOEQ+uBhUDAM6WPNTfpydyeGiTbB0TAF2cN+9Gfwd6hGAnXVMiTFIA1 j9WhjCu0X/Bk4Z5ja5O7nSGhSm1i42N9I7az4pP+wUBlhcYdbupP9fbNe tGRWG8vTiaPUhPlJ+KHKxWQWmotpN+9duxON3xD+lf7gyMM8BB59S6hus w==; X-IronPort-AV: E=McAfee;i="6200,9189,10251"; a="236252000" X-IronPort-AV: E=Sophos;i="5.88,351,1635231600"; d="scan'208";a="236252000" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Feb 2022 17:28:00 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,351,1635231600"; d="scan'208";a="677948859" Received: from allen-box.sh.intel.com ([10.239.159.118]) by fmsmga001.fm.intel.com with ESMTP; 07 Feb 2022 17:27:56 -0800 From: Lu Baolu To: Joerg Roedel , Jason Gunthorpe , Christoph Hellwig , Ben Skeggs , Kevin Tian , Ashok Raj , Will Deacon , Robin Murphy Cc: Alex Williamson , Eric Auger , Liu Yi L , Jacob jun Pan , David Airlie , Daniel Vetter , Thierry Reding , Jonathan Hunter , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v2 08/10] iommu: Remove unused argument in is_attach_deferred Date: Tue, 8 Feb 2022 09:25:57 +0800 Message-Id: <20220208012559.1121729-9-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220208012559.1121729-1-baolu.lu@linux.intel.com> References: <20220208012559.1121729-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The is_attach_deferred iommu_ops callback is a device op. The domain argument is unnecessary and never used. Remove it to make code clean. Suggested-by: Robin Murphy Signed-off-by: Lu Baolu --- include/linux/iommu.h | 2 +- drivers/iommu/amd/amd_iommu.h | 3 +-- drivers/iommu/amd/iommu.c | 3 +-- drivers/iommu/amd/iommu_v2.c | 2 +- drivers/iommu/intel/iommu.c | 3 +-- drivers/iommu/iommu.c | 15 ++++++--------- 6 files changed, 11 insertions(+), 17 deletions(-) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index eb2684f95018..47ca7eca5d7b 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -269,7 +269,7 @@ struct iommu_ops { void (*put_resv_regions)(struct device *dev, struct list_head *list); int (*of_xlate)(struct device *dev, struct of_phandle_args *args); - bool (*is_attach_deferred)(struct iommu_domain *domain, struct device *dev); + bool (*is_attach_deferred)(struct device *dev); /* Per device IOMMU features */ bool (*dev_has_feat)(struct device *dev, enum iommu_dev_features f); diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h index 416815a525d6..3b2f06b7aca6 100644 --- a/drivers/iommu/amd/amd_iommu.h +++ b/drivers/iommu/amd/amd_iommu.h @@ -116,8 +116,7 @@ void amd_iommu_domain_clr_pt_root(struct protection_domain *domain) extern bool translation_pre_enabled(struct amd_iommu *iommu); -extern bool amd_iommu_is_attach_deferred(struct iommu_domain *domain, - struct device *dev); +extern bool amd_iommu_is_attach_deferred(struct device *dev); extern int __init add_special_device(u8 type, u8 id, u16 *devid, bool cmd_line); diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 461f1844ed1f..37f2fbb4b129 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -2215,8 +2215,7 @@ static void amd_iommu_get_resv_regions(struct device *dev, list_add_tail(®ion->list, head); } -bool amd_iommu_is_attach_deferred(struct iommu_domain *domain, - struct device *dev) +bool amd_iommu_is_attach_deferred(struct device *dev) { struct iommu_dev_data *dev_data = dev_iommu_priv_get(dev); diff --git a/drivers/iommu/amd/iommu_v2.c b/drivers/iommu/amd/iommu_v2.c index 58da08cc3d01..7c94ec05d289 100644 --- a/drivers/iommu/amd/iommu_v2.c +++ b/drivers/iommu/amd/iommu_v2.c @@ -537,7 +537,7 @@ static int ppr_notifier(struct notifier_block *nb, unsigned long e, void *data) ret = NOTIFY_DONE; /* In kdump kernel pci dev is not initialized yet -> send INVALID */ - if (amd_iommu_is_attach_deferred(NULL, &pdev->dev)) { + if (amd_iommu_is_attach_deferred(&pdev->dev)) { amd_iommu_complete_ppr(pdev, iommu_fault->pasid, PPR_INVALID, tag); goto out; diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 2b5f4e57a8bb..80f1294be634 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -5052,8 +5052,7 @@ intel_iommu_dev_disable_feat(struct device *dev, enum iommu_dev_features feat) } } -static bool intel_iommu_is_attach_deferred(struct iommu_domain *domain, - struct device *dev) +static bool intel_iommu_is_attach_deferred(struct device *dev) { return attach_deferred(dev); } diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index de593a9cc09c..3dff30ddebdd 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -825,13 +825,12 @@ static int iommu_create_device_direct_mappings(struct iommu_group *group, return ret; } -static bool iommu_is_attach_deferred(struct iommu_domain *domain, - struct device *dev) +static bool iommu_is_attach_deferred(struct device *dev) { const struct iommu_ops *ops = dev_iommu_ops(dev); if (ops->is_attach_deferred) - return ops->is_attach_deferred(domain, dev); + return ops->is_attach_deferred(dev); return false; } @@ -888,7 +887,7 @@ int iommu_group_add_device(struct iommu_group *group, struct device *dev) mutex_lock(&group->mutex); list_add_tail(&device->list, &group->devices); - if (group->domain && !iommu_is_attach_deferred(group->domain, dev)) + if (group->domain && !iommu_is_attach_deferred(dev)) ret = __iommu_attach_device(group->domain, dev); mutex_unlock(&group->mutex); if (ret) @@ -1743,7 +1742,7 @@ static int iommu_group_do_dma_attach(struct device *dev, void *data) struct iommu_domain *domain = data; int ret = 0; - if (!iommu_is_attach_deferred(domain, dev)) + if (!iommu_is_attach_deferred(dev)) ret = __iommu_attach_device(domain, dev); return ret; @@ -2018,9 +2017,7 @@ EXPORT_SYMBOL_GPL(iommu_attach_device); int iommu_deferred_attach(struct device *dev, struct iommu_domain *domain) { - const struct iommu_ops *ops = dev_iommu_ops(dev); - - if (ops->is_attach_deferred && ops->is_attach_deferred(domain, dev)) + if (iommu_is_attach_deferred(dev)) return __iommu_attach_device(domain, dev); return 0; @@ -2029,7 +2026,7 @@ int iommu_deferred_attach(struct device *dev, struct iommu_domain *domain) static void __iommu_detach_device(struct iommu_domain *domain, struct device *dev) { - if (iommu_is_attach_deferred(domain, dev)) + if (iommu_is_attach_deferred(dev)) return; if (unlikely(domain->ops->detach_dev == NULL)) -- 2.25.1