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| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2014-11-21 16:55:12 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-16 06:59:45 -0800 |
| commit | 2a8ba6426e76d832e1171305d0aa094310c572e6 (patch) | |
| tree | 266d017096d4cc3f0deeccc4d07899a96e0f25f8 /drivers/xen | |
| parent | e725243957d5dad72c13d1355d1788805a44c481 (diff) | |
| download | lwn-2a8ba6426e76d832e1171305d0aa094310c572e6.tar.gz lwn-2a8ba6426e76d832e1171305d0aa094310c572e6.zip | |
swiotlb-xen: call xen_dma_sync_single_for_device when appropriate
commit 9490c6c67e2f41760de8ece4e4f56f75f84ceb9e upstream.
In xen_swiotlb_sync_single we always call xen_dma_sync_single_for_cpu,
even when we should call xen_dma_sync_single_for_device. Fix that.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index f21282da9876..f3a9d831d0f9 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -500,7 +500,7 @@ xen_swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr, swiotlb_tbl_sync_single(hwdev, paddr, size, dir, target); if (target == SYNC_FOR_DEVICE) - xen_dma_sync_single_for_cpu(hwdev, dev_addr, size, dir); + xen_dma_sync_single_for_device(hwdev, dev_addr, size, dir); if (dir != DMA_FROM_DEVICE) return; |