diff options
Diffstat (limited to 'arch/x86/kernel/amd_iommu.c')
| -rw-r--r-- | arch/x86/kernel/amd_iommu.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index a1bd99d..5ebd24e 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -131,12 +131,6 @@ static void amd_iommu_stats_init(void) #endif -/* returns !0 if the IOMMU is caching non-present entries in its TLB */ -static int iommu_has_npcache(struct amd_iommu *iommu) -{ - return iommu->cap & (1UL << IOMMU_CAP_NPCACHE); -} - /**************************************************************************** * * Interrupt handling functions @@ -1713,7 +1707,7 @@ retry: if (unlikely(dma_dom->need_flush && !amd_iommu_unmap_flush)) { iommu_flush_tlb(&dma_dom->domain); dma_dom->need_flush = false; - } else if (unlikely(iommu_has_npcache(iommu))) + } else if (unlikely(amd_iommu_np_cache)) iommu_flush_pages(&dma_dom->domain, address, size); out: |