diff options
| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-10-25 10:33:26 +0000 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-10-25 10:33:26 +0000 |
| commit | 783d0281043b9a1111d81d11ed0610b83d8857ed (patch) | |
| tree | 1d838be8915a500134122baa5b7e16894ca5015b | |
| parent | 6cf054636261ca5c88f3c2984058d51f927b8a2e (diff) | |
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.
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 1 | ||||
| -rw-r--r-- | lib/swiotlb.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 4221cb52387d..4d50058d9630 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -542,6 +542,7 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, sg->length, dir); if (map == SWIOTLB_MAP_ERROR) { + dev_warn(hwdev, "swiotlb buffer is full\n"); /* Don't panic here, we expect map_sg users to do proper error handling. */ xen_swiotlb_unmap_sg_attrs(hwdev, sgl, i, dir, 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); |