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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-23 08:38:22 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-23 08:38:22 +0400 |
| commit | 687d680985b1438360a9ba470ece8b57cd205c3b (patch) | |
| tree | ae253608531e5c3e823600974c610e722e7de759 /arch/ia64 | |
| parent | 1053414068bad659479e6efa62a67403b8b1ec0a (diff) | |
| parent | 008fe148cb0fb51d266baabe2c09997b21cf90c6 (diff) | |
| download | linux-687d680985b1438360a9ba470ece8b57cd205c3b.tar.xz | |
Merge git://git.infradead.org/~dwmw2/iommu-2.6.31
* git://git.infradead.org/~dwmw2/iommu-2.6.31:
intel-iommu: Fix one last ia64 build problem in Pass Through Support
VT-d: support the device IOTLB
VT-d: cleanup iommu_flush_iotlb_psi and flush_unmaps
VT-d: add device IOTLB invalidation support
VT-d: parse ATSR in DMA Remapping Reporting Structure
PCI: handle Virtual Function ATS enabling
PCI: support the ATS capability
intel-iommu: dmar_set_interrupt return error value
intel-iommu: Tidy up iommu->gcmd handling
intel-iommu: Fix tiny theoretical race in write-buffer flush.
intel-iommu: Clean up handling of "caching mode" vs. IOTLB flushing.
intel-iommu: Clean up handling of "caching mode" vs. context flushing.
VT-d: fix invalid domain id for KVM context flush
Fix !CONFIG_DMAR build failure introduced by Intel IOMMU Pass Through Support
Intel IOMMU Pass Through Support
Fix up trivial conflicts in drivers/pci/{intel-iommu.c,intr_remapping.c}
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/include/asm/iommu.h | 5 | ||||
| -rw-r--r-- | arch/ia64/kernel/pci-dma.c | 2 | ||||
| -rw-r--r-- | arch/ia64/kernel/pci-swiotlb.c | 2 |
3 files changed, 8 insertions, 1 deletions
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h index 0490794fe4aa..745e095fe82e 100644 --- a/arch/ia64/include/asm/iommu.h +++ b/arch/ia64/include/asm/iommu.h @@ -9,6 +9,11 @@ extern void pci_iommu_shutdown(void); extern void no_iommu_init(void); extern int force_iommu, no_iommu; extern int iommu_detected; +#ifdef CONFIG_DMAR +extern int iommu_pass_through; +#else +#define iommu_pass_through (0) +#endif extern void iommu_dma_init(void); extern void machvec_init(const char *name); diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c index 1376da45fd08..05695962fe44 100644 --- a/arch/ia64/kernel/pci-dma.c +++ b/arch/ia64/kernel/pci-dma.c @@ -32,6 +32,8 @@ int force_iommu __read_mostly = 1; int force_iommu __read_mostly; #endif +int iommu_pass_through; + /* Dummy device used for NULL arguments (normally ISA). Better would be probably a smaller DMA mask, but this is bug-to-bug compatible to i386. */ diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c index 285aae8431c6..223abb134105 100644 --- a/arch/ia64/kernel/pci-swiotlb.c +++ b/arch/ia64/kernel/pci-swiotlb.c @@ -46,7 +46,7 @@ void __init swiotlb_dma_init(void) void __init pci_swiotlb_init(void) { - if (!iommu_detected) { + if (!iommu_detected || iommu_pass_through) { #ifdef CONFIG_IA64_GENERIC swiotlb = 1; printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n"); |