summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/amd_iommu.c
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2010-10-12 16:41:22 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 16:41:26 +0200
commit7c5f13519a67aa7ba3a99155f128d4bdef87d087 (patch)
treee4d0537092930a53a85932de83a7861990c58607 /arch/x86/kernel/amd_iommu.c
parent5e62feabcc3e4127a084701ec54ffe891985b7e8 (diff)
parent021989622810b02aab4b24f91e1f5ada2b654579 (diff)
Merge branch 'x86/urgent' of into irq/sparseirq
Reason: Pull in the latest io_apic bugfixes Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/amd_iommu.c')
-rw-r--r--arch/x86/kernel/amd_iommu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index fa044e1e30a..679b6450382 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1953,6 +1953,7 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
size_t size,
int dir)
{
+ dma_addr_t flush_addr;
dma_addr_t i, start;
unsigned int pages;
@@ -1960,6 +1961,7 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
(dma_addr + size > dma_dom->aperture_size))
return;
+ flush_addr = dma_addr;
pages = iommu_num_pages(dma_addr, size, PAGE_SIZE);
dma_addr &= PAGE_MASK;
start = dma_addr;
@@ -1974,7 +1976,7 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
dma_ops_free_addresses(dma_dom, dma_addr, pages);
if (amd_iommu_unmap_flush || dma_dom->need_flush) {
- iommu_flush_pages(&dma_dom->domain, dma_addr, size);
+ iommu_flush_pages(&dma_dom->domain, flush_addr, size);
dma_dom->need_flush = false;
}
}