diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2021-12-17 16:38:15 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-12-17 09:40:29 +0100 |
| commit | f5209f91272295c6c3ee0cd5f9589baf93cd00e8 (patch) | |
| tree | db6a773cb5eb685be0384a9360e3c4b1da7c63d9 /drivers/iommu | |
| parent | bb7125739611acbbce8182ed98ad700f03ebac18 (diff) | |
iommu/vt-d: Drop duplicate check in dma_pte_free_pagetable()
The BUG_ON check exists in dma_pte_clear_range(), kill the duplicate
check.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Link: https://lore.kernel.org/r/20211025032307.182974-1-wangkefeng.wang@huawei.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20211217083817.1745419-3-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 16e5fe35b3dc..261d931ee76e 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1280,10 +1280,6 @@ static void dma_pte_free_pagetable(struct dmar_domain *domain, unsigned long last_pfn, int retain_level) { - BUG_ON(!domain_pfn_supported(domain, start_pfn)); - BUG_ON(!domain_pfn_supported(domain, last_pfn)); - BUG_ON(start_pfn > last_pfn); - dma_pte_clear_range(domain, start_pfn, last_pfn); /* We don't need lock here; nobody else touches the iova range */ |