diff options
Diffstat (limited to 'drivers/iommu/amd_iommu.c')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 0397985a2601..52c36394dba5 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -926,7 +926,7 @@ again: next_tail = (tail + sizeof(*cmd)) % CMD_BUFFER_SIZE; left = (head - next_tail) % CMD_BUFFER_SIZE; - if (left <= 2) { + if (left <= 0x20) { struct iommu_cmd sync_cmd; volatile u64 sem = 0; int ret; @@ -1833,6 +1833,9 @@ static void dma_ops_domain_free(struct dma_ops_domain *dom) kfree(dom->aperture[i]); } + if (dom->domain.id) + domain_id_free(dom->domain.id); + kfree(dom); } @@ -3093,6 +3096,7 @@ static size_t amd_iommu_unmap(struct iommu_domain *dom, unsigned long iova, mutex_unlock(&domain->api_lock); domain_flush_tlb_pde(domain); + domain_flush_complete(domain); return unmap_size; } |