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authorWeidong Han <weidong.han@intel.com>2008-12-08 04:24:12 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2009-01-03 14:02:17 +0100
commita2bb8459fe46e5aaad6637b31b5593d740097cba (patch)
tree0d380bb2cc70f6a26aade2c8b44ee6e4f183b76d /drivers/pci
parentAdd global iommu list (diff)
downloadlinux-a2bb8459fe46e5aaad6637b31b5593d740097cba.tar.xz
linux-a2bb8459fe46e5aaad6637b31b5593d740097cba.zip
Get iommu from g_iommus for deferred flush
deferred_flush[] uses the iommu seq_id to index, so its iommu is fixed and can get it from g_iommus. Signed-off-by: Weidong Han <weidong.han@intel.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/intel-iommu.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index d2ffa7a6d723..86b9f58a645e 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2101,10 +2101,11 @@ static void flush_unmaps(void)
/* just flush them all */
for (i = 0; i < g_num_of_iommus; i++) {
- if (deferred_flush[i].next) {
- struct intel_iommu *iommu =
- deferred_flush[i].domain[0]->iommu;
+ struct intel_iommu *iommu = g_iommus[i];
+ if (!iommu)
+ continue;
+ if (deferred_flush[i].next) {
iommu->flush.flush_iotlb(iommu, 0, 0, 0,
DMA_TLB_GLOBAL_FLUSH, 0);
for (j = 0; j < deferred_flush[i].next; j++) {