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authorStefano Stabellini <stefano.stabellini@eu.citrix.com>2013-10-25 12:33:26 +0200
committerStefano Stabellini <stefano.stabellini@eu.citrix.com>2013-10-25 12:33:26 +0200
commit783d0281043b9a1111d81d11ed0610b83d8857ed (patch)
tree1d838be8915a500134122baa5b7e16894ca5015b /lib/swiotlb.c
parentswiotlb-xen: use xen_dma_map/unmap_page, xen_dma_sync_single_for_cpu/device (diff)
downloadlinux-783d0281043b9a1111d81d11ed0610b83d8857ed.tar.xz
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swiotlb: print a warning when the swiotlb is full
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Changes in v7: - use dev_warn instead of pr_warn.
Diffstat (limited to 'lib/swiotlb.c')
-rw-r--r--lib/swiotlb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 4e8686c7e5a4..cdc051eaf667 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -502,6 +502,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *hwdev,
not_found:
spin_unlock_irqrestore(&io_tlb_lock, flags);
+ dev_warn(hwdev, "swiotlb buffer is full\n");
return SWIOTLB_MAP_ERROR;
found:
spin_unlock_irqrestore(&io_tlb_lock, flags);