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: 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,
Peter Xu <peterx@redhat.com>,
iommu@lists.linux-foundation.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, Lu Baolu <baolu.lu@linux.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 [thread overview]
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
next prev parent reply other threads:[~2019-11-28 2:30 UTC|newest]
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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