Commit-ID: 2e8b569614b89c9b1b85cba37db36daeeeff744e Gitweb: http://git.kernel.org/tip/2e8b569614b89c9b1b85cba37db36daeeeff744e Author: Joerg Roedel <joerg.roedel@xxxxxxx> AuthorDate: Fri, 22 May 2009 12:44:03 +0200 Committer: Joerg Roedel <joerg.roedel@xxxxxxx> CommitDate: Thu, 28 May 2009 17:56:57 +0200 amd-iommu: disable device isolation with CONFIG_IOMMU_STRESS With device isolation disabled we can test better for race conditions in dma_ops related code. Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx> --- arch/x86/kernel/amd_iommu_init.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index b90a78c..6694112 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -124,8 +124,14 @@ u16 amd_iommu_last_bdf; /* largest PCI device id we have LIST_HEAD(amd_iommu_unity_map); /* a list of required unity mappings we find in ACPI */ unsigned amd_iommu_aperture_order = 26; /* size of aperture in power of 2 */ + +#ifdef CONFIG_IOMMU_STRESS +bool amd_iommu_isolate = false; +#else bool amd_iommu_isolate = true; /* if true, device isolation is enabled */ +#endif + bool amd_iommu_unmap_flush; /* if true, flush on every unmap */ LIST_HEAD(amd_iommu_list); /* list of all AMD IOMMUs in the -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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