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| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-05-22 12:31:53 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-05-28 18:18:08 +0200 |
| commit | f5e9705c6429d24dee832b2edd7f4848d432ea03 (patch) | |
| tree | 38921fd78ed51dc360afb380ae40a8492d0211d8 | |
| parent | fe16f088a88fb73161bba8784375c829f7e87b54 (diff) | |
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>
| -rw-r--r-- | arch/x86/kernel/amd_iommu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 543822b39a84..33434c497a6a 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; |