Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 11/12] amd-iommu: don't preallocate page tables with CONFIG_IOMMU_STRESS | Date | Fri, 22 May 2009 14:21:32 +0200 |
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[ impact: force testing of on-demand page table allocation code ]
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> --- 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 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; -- 1.6.3.1
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