Commit a7fb668f authored by Joerg Roedel's avatar Joerg Roedel
Browse files

iommu/amd: Warn only once on unexpected pte value 



This prevents possible flooding of the kernel log.

Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 759ce23b

drivers/iommu/amd_iommu.c

+2 −2
Original line number Diff line number Diff line
@@ -2328,7 +2328,7 @@ static dma_addr_t dma_ops_domain_map(struct dma_ops_domain *dom, 
	else if (direction == DMA_BIDIRECTIONAL)

		__pte |= IOMMU_PTE_IR | IOMMU_PTE_IW;



	WARN_ON(*pte);

	WARN_ON_ONCE(*pte);



	*pte = __pte;
@@ -2357,7 +2357,7 @@ static void dma_ops_domain_unmap(struct dma_ops_domain *dom, 


	pte += PM_LEVEL_INDEX(0, address);



	WARN_ON(!*pte);

	WARN_ON_ONCE(!*pte);



	*pte = 0ULL;

}