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 C78A8C433EF for ; Sat, 2 Jul 2022 02:00:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231320AbiGBCAn (ORCPT ); Fri, 1 Jul 2022 22:00:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229458AbiGBCAj (ORCPT ); Fri, 1 Jul 2022 22:00:39 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED6983F30C for ; Fri, 1 Jul 2022 19:00:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1656727238; x=1688263238; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=HXVKMoFdhQcvlC95LGmOfs8ndIYoqrdegsd+kEhGg1A=; b=c/4enOKynP7tIESdnRLEMiMkPPiPs9DVMfTlxC7Q/t9n6q1h4KZVUi4b Nulddmj+Ev9WFdxOxrLZ3oCz69Xjm+6tJxizLoNB/7bBWWRAc3fr+kAGA yLTQ1LJm2dnchf0QVZXbyJm53lDxU8f4Wz6RQLikE207yQ5md/0fI5MX0 qqhVEo/4RRQ36GecQ6hfktOJd2HA+VVUO+Wpsoi4UcvNjHmn5wD8B3QMx kPy9G0iCbHlCTEg1lmoTHt6lSc04SeRaCZrqDZNOihSABFBlC46eN5QsU X7oPXbq4N87lV/KFb97GrM6yFNsSWF7RokxVAiaDma78zSbPn00aeBD1j A==; X-IronPort-AV: E=McAfee;i="6400,9594,10395"; a="262573729" X-IronPort-AV: E=Sophos;i="5.92,238,1650956400"; d="scan'208";a="262573729" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2022 19:00:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,238,1650956400"; d="scan'208";a="589518283" Received: from allen-box.sh.intel.com ([10.239.159.48]) by orsmga007.jf.intel.com with ESMTP; 01 Jul 2022 19:00:35 -0700 From: Lu Baolu To: Joerg Roedel , Steve Wahl , Kevin Tian Cc: David Woodhouse , Jerry Snitselaar , Mike Travis , Dimitri Sivanich , Russ Anderson , iommu@lists.linux.dev, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v2 1/6] iommu/vt-d: Remove unused domain_get_iommu() Date: Sat, 2 Jul 2022 09:56:05 +0800 Message-Id: <20220702015610.2849494-2-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220702015610.2849494-1-baolu.lu@linux.intel.com> References: <20220702015610.2849494-1-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 It is not used anywhere. Remove it to avoid dead code. Signed-off-by: Lu Baolu Reviewed-by: Kevin Tian --- drivers/iommu/intel/iommu.h | 1 - drivers/iommu/intel/iommu.c | 18 ------------------ 2 files changed, 19 deletions(-) diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index df64d3d9c49a..56e0d8cd2102 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -725,7 +725,6 @@ extern int dmar_ir_support(void); void *alloc_pgtable_page(int node); void free_pgtable_page(void *vaddr); -struct intel_iommu *domain_get_iommu(struct dmar_domain *domain); void iommu_flush_write_buffer(struct intel_iommu *iommu); int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct device *dev); struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn); diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index da6cfea0f0d6..781e060352e6 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -445,24 +445,6 @@ int iommu_calculate_agaw(struct intel_iommu *iommu) return __iommu_calculate_agaw(iommu, DEFAULT_DOMAIN_ADDRESS_WIDTH); } -/* This functionin only returns single iommu in a domain */ -struct intel_iommu *domain_get_iommu(struct dmar_domain *domain) -{ - int iommu_id; - - /* si_domain and vm domain should not get here. */ - if (WARN_ON(!iommu_is_dma_domain(&domain->domain))) - return NULL; - - for_each_domain_iommu(iommu_id, domain) - break; - - if (iommu_id < 0 || iommu_id >= g_num_of_iommus) - return NULL; - - return g_iommus[iommu_id]; -} - static inline bool iommu_paging_structure_coherency(struct intel_iommu *iommu) { return sm_supported(iommu) ? -- 2.25.1