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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-05 09:49:07 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-05 09:49:07 -0800
commit7b626acb8f983eb83b396ab96cc24b18d635d487 (patch)
tree8c3320191311e6186d3aa722f1acd12acd47ece8 /drivers
parent1ebb275afcf5a47092e995541d6c604eef96062a (diff)
parent4528752f49c1f4025473d12bc5fa9181085c3f22 (diff)
Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (63 commits) x86, Calgary IOMMU quirk: Find nearest matching Calgary while walking up the PCI tree x86/amd-iommu: Remove amd_iommu_pd_table x86/amd-iommu: Move reset_iommu_command_buffer out of locked code x86/amd-iommu: Cleanup DTE flushing code x86/amd-iommu: Introduce iommu_flush_device() function x86/amd-iommu: Cleanup attach/detach_device code x86/amd-iommu: Keep devices per domain in a list x86/amd-iommu: Add device bind reference counting x86/amd-iommu: Use dev->arch->iommu to store iommu related information x86/amd-iommu: Remove support for domain sharing x86/amd-iommu: Rearrange dma_ops related functions x86/amd-iommu: Move some pte allocation functions in the right section x86/amd-iommu: Remove iommu parameter from dma_ops_domain_alloc x86/amd-iommu: Use get_device_id and check_device where appropriate x86/amd-iommu: Move find_protection_domain to helper functions x86/amd-iommu: Simplify get_device_resources() x86/amd-iommu: Let domain_for_device handle aliases x86/amd-iommu: Remove iommu specific handling from dma_ops path x86/amd-iommu: Remove iommu parameter from __(un)map_single x86/amd-iommu: Make alloc_new_range aware of multiple IOMMUs ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/agp/Kconfig3
-rw-r--r--drivers/pci/dmar.c7
-rw-r--r--drivers/pci/intel-iommu.c6
3 files changed, 10 insertions, 6 deletions
diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig
index ccb1fa89de2..2fb3a480f6b 100644
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -56,9 +56,8 @@ config AGP_AMD
X on AMD Irongate, 761, and 762 chipsets.
config AGP_AMD64
- tristate "AMD Opteron/Athlon64 on-CPU GART support" if !GART_IOMMU
+ tristate "AMD Opteron/Athlon64 on-CPU GART support"
depends on AGP && X86
- default y if GART_IOMMU
help
This option gives you AGP support for the GLX component of
X using the on-CPU northbridge of the AMD Athlon64/Opteron CPUs.
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index b952ebc7a78..416f6ac65b7 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -645,10 +645,13 @@ void __init detect_intel_iommu(void)
"x2apic and Intr-remapping.\n");
#endif
#ifdef CONFIG_DMAR
- if (ret && !no_iommu && !iommu_detected && !swiotlb &&
- !dmar_disabled)
+ if (ret && !no_iommu && !iommu_detected && !dmar_disabled)
iommu_detected = 1;
#endif
+#ifdef CONFIG_X86
+ if (ret)
+ x86_init.iommu.iommu_init = intel_iommu_init;
+#endif
}
early_acpi_os_unmap_memory(dmar_tbl, dmar_tbl_size);
dmar_tbl = NULL;
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 1840a0578a4..9261327b49f 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -3266,7 +3266,7 @@ int __init intel_iommu_init(void)
* Check the need for DMA-remapping initialization now.
* Above initialization will also be used by Interrupt-remapping.
*/
- if (no_iommu || swiotlb || dmar_disabled)
+ if (no_iommu || dmar_disabled)
return -ENODEV;
iommu_init_mempool();
@@ -3287,7 +3287,9 @@ int __init intel_iommu_init(void)
"PCI-DMA: Intel(R) Virtualization Technology for Directed I/O\n");
init_timer(&unmap_timer);
- force_iommu = 1;
+#ifdef CONFIG_SWIOTLB
+ swiotlb = 0;
+#endif
dma_ops = &intel_dma_ops;
init_iommu_sysfs();