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

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

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel 2009-05-22 12:31:53 +02:00
parent fe16f088a8
commit f5e9705c64
1 changed files with 4 additions and 0 deletions
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4
arch/x86/kernel/amd_iommu.c
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@ -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;