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From: Lu Baolu <baolu.lu@linux.intel.com>
To: Joerg Roedel <joro@8bytes.org>,
	David Woodhouse <dwmw2@infradead.org>,
	Alex Williamson <alex.williamson@redhat.com>
Cc: kevin.tian@intel.com, ashok.raj@intel.com, kvm@vger.kernel.org,
	sanjay.k.kumar@intel.com, iommu@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, yi.y.sun@intel.com
Subject: [PATCH v2 2/8] iommu/vt-d: Move domain_flush_cache helper into header
Date: Thu, 28 Nov 2019 10:25:44 +0800
Message-ID: <20191128022550.9832-3-baolu.lu@linux.intel.com> (raw)
In-Reply-To: <20191128022550.9832-1-baolu.lu@linux.intel.com>

So that it could be used in other source files as well.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 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 677e82a828f0..7752ff299cb5 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -833,13 +833,6 @@ 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 e8bfe7466ebb..9b259756057b 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -681,6 +681,13 @@ 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

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  parent reply index

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-28  2:25 [PATCH v2 0/8] Use 1st-level for DMA remapping Lu Baolu
2019-11-28  2:25 ` [PATCH v2 1/8] iommu/vt-d: Add per domain page table ops Lu Baolu
2019-11-28  2:25 ` Lu Baolu [this message]
2019-11-28  2:25 ` [PATCH v2 3/8] iommu/vt-d: Implement second level " Lu Baolu
2019-11-28  2:25 ` [PATCH v2 4/8] iommu/vt-d: Apply per domain " Lu Baolu
2019-11-28  2:25 ` [PATCH v2 5/8] iommu/vt-d: Add first level page table interfaces Lu Baolu
2019-12-02 23:27   ` Jacob Pan
2019-12-03  2:36     ` Lu Baolu
2019-12-11  1:56     ` Lu Baolu
2019-11-28  2:25 ` [PATCH v2 6/8] iommu/vt-d: Implement first level page table ops Lu Baolu
2019-11-28  2:25 ` [PATCH v2 7/8] iommu/vt-d: Identify domains using first level page table Lu Baolu
2019-11-28  2:25 ` [PATCH v2 8/8] iommu/vt-d: Add set domain DOMAIN_ATTR_NESTING attr Lu Baolu
2019-12-02 20:19 ` [PATCH v2 0/8] Use 1st-level for DMA remapping Jacob Pan
2019-12-03  2:19   ` Lu Baolu

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