From: Joerg Roedel <[email protected]> This allows to keep the bitmap_lock only for a very short period of time.
Signed-off-by: Joerg Roedel <[email protected]> --- drivers/iommu/amd_iommu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 42c0a81..69021ec 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2527,14 +2527,14 @@ static void __unmap_single(struct dma_ops_domain *dma_dom, start += PAGE_SIZE; } - SUB_STATS_COUNTER(alloced_io_mem, size); - - dma_ops_free_addresses(dma_dom, dma_addr, pages); - if (amd_iommu_unmap_flush || dma_dom->need_flush) { domain_flush_pages(&dma_dom->domain, flush_addr, size); dma_dom->need_flush = false; } + + SUB_STATS_COUNTER(alloced_io_mem, size); + + dma_ops_free_addresses(dma_dom, dma_addr, pages); } /* -- 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/
