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-rw-r--r--arch/x86/kernel/amd_iommu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 543822b..33434c4 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -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;