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=unavailable 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 C6095C04EBF for ; Mon, 23 Sep 2019 12:27:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A6EE520867 for ; Mon, 23 Sep 2019 12:27:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732339AbfIWM1W (ORCPT ); Mon, 23 Sep 2019 08:27:22 -0400 Received: from mga06.intel.com ([134.134.136.31]:4334 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730399AbfIWM1V (ORCPT ); Mon, 23 Sep 2019 08:27:21 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Sep 2019 05:27:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,539,1559545200"; d="scan'208";a="203116661" Received: from allen-box.sh.intel.com ([10.239.159.136]) by fmsmga001.fm.intel.com with ESMTP; 23 Sep 2019 05:27:19 -0700 From: Lu Baolu To: Joerg Roedel , David Woodhouse , Alex Williamson Cc: ashok.raj@intel.com, sanjay.k.kumar@intel.com, jacob.jun.pan@linux.intel.com, kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, iommu@lists.linux-foundation.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Lu Baolu , Yi Sun Subject: [RFC PATCH 1/4] iommu/vt-d: Move domain_flush_cache helper into header Date: Mon, 23 Sep 2019 20:24:51 +0800 Message-Id: <20190923122454.9888-2-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190923122454.9888-1-baolu.lu@linux.intel.com> References: <20190923122454.9888-1-baolu.lu@linux.intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org So that it could be used in other source files as well. Cc: Ashok Raj Cc: Jacob Pan Cc: Kevin Tian Cc: Liu Yi L Cc: Yi Sun Signed-off-by: Lu Baolu --- drivers/iommu/intel-iommu.c | 7 ------- include/linux/intel-iommu.h | 7 +++++++ 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 5aa68a094efd..9cfe8098d993 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -828,13 +828,6 @@ static struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devf return iommu; } -static void domain_flush_cache(struct dmar_domain *domain, - void *addr, int size) -{ - if (!domain->iommu_coherency) - clflush_cache_range(addr, size); -} - static int device_context_mapped(struct intel_iommu *iommu, u8 bus, u8 devfn) { struct context_entry *context; diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index ed11ef594378..3ee694d4f361 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -629,6 +629,13 @@ static inline int first_pte_in_page(struct dma_pte *pte) return !((unsigned long)pte & ~VTD_PAGE_MASK); } +static inline void +domain_flush_cache(struct dmar_domain *domain, void *addr, int size) +{ + if (!domain->iommu_coherency) + clflush_cache_range(addr, size); +} + extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev); extern int dmar_find_matched_atsr_unit(struct pci_dev *dev); -- 2.17.1