From: Joerg Roedel <[email protected]> Instead of setting need_flush, do the flush directly in dma_ops_free_addresses.
Signed-off-by: Joerg Roedel <[email protected]> --- drivers/iommu/amd_iommu.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index a26cd76..62a4079 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1648,8 +1648,10 @@ static void dma_ops_free_addresses(struct dma_ops_domain *dom, return; #endif - if ((address >> APERTURE_RANGE_SHIFT) >= dom->next_index) - dom->need_flush = true; + if (address + pages > range->next_bit) { + domain_flush_tlb(&dom->domain); + domain_flush_complete(&dom->domain); + } address = (address % APERTURE_RANGE_SIZE) >> PAGE_SHIFT; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
