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Date:   Thu, 28 Nov 2019 10:25:44 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Joerg Roedel <joro@...tes.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Alex Williamson <alex.williamson@...hat.com>
Cc:     ashok.raj@...el.com, sanjay.k.kumar@...el.com,
        jacob.jun.pan@...ux.intel.com, kevin.tian@...el.com,
        yi.l.liu@...el.com, yi.y.sun@...el.com,
        Peter Xu <peterx@...hat.com>, iommu@...ts.linux-foundation.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lu Baolu <baolu.lu@...ux.intel.com>
Subject: [PATCH v2 2/8] iommu/vt-d: Move domain_flush_cache helper into header

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

Signed-off-by: Lu Baolu <baolu.lu@...ux.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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