amd-iommu: don't preallocate page tables with CONFIG_IOMMU_STRESS



This forces testing of on-demand page table allocation code.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

parent fe16f088

arch/x86/kernel/amd_iommu.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -661,6 +661,10 @@ static int alloc_new_range(struct amd_iommu *iommu,
		int index = dma_dom->aperture_size >> APERTURE_RANGE_SHIFT;
		int i;

		#ifdef CONFIG_IOMMU_STRESS
		populate = false;
		#endif

		if (index >= APERTURE_MAX_RANGES)
		return -ENOMEM;