From: Kefeng Wang <wangkefeng.w...@huawei.com> The BUG_ON check exists in dma_pte_clear_range(), kill the duplicate check.
Signed-off-by: Kefeng Wang <wangkefeng.w...@huawei.com> Link: https://lore.kernel.org/r/20211025032307.182974-1-wangkefeng.w...@huawei.com Signed-off-by: Lu Baolu <baolu...@linux.intel.com> --- drivers/iommu/intel/iommu.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 4acc97765209..e59895af952c 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 */ -- 2.25.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
