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| author | Fenghua Yu <fenghua.yu@intel.com> | 2008-10-16 18:02:32 -0700 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-10-18 14:29:15 +0100 |
| commit | 5b6985ce8ec7127b4d60ad450b64ca8b82748a3b (patch) | |
| tree | f1d5a27601df04a3481690a1a2f90fc688034aff /arch | |
| parent | cacd4213d8ffed83676f38d5d8e93c673e0f1af7 (diff) | |
| download | op-kernel-dev-5b6985ce8ec7127b4d60ad450b64ca8b82748a3b.zip op-kernel-dev-5b6985ce8ec7127b4d60ad450b64ca8b82748a3b.tar.gz | |
intel-iommu: IA64 support
The current Intel IOMMU code assumes that both host page size and Intel
IOMMU page size are 4KiB. The first patch supports variable page size.
This provides support for IA64 which has multiple page sizes.
This patch also adds some other code hooks for IA64 platform including
DMAR_OPERATION_TIMEOUT definition.
[dwmw2: some cleanup]
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/pci-dma.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 1926248..1972266 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -9,8 +9,6 @@ #include <asm/calgary.h> #include <asm/amd_iommu.h> -static int forbid_dac __read_mostly; - struct dma_mapping_ops *dma_ops; EXPORT_SYMBOL(dma_ops); @@ -293,17 +291,3 @@ void pci_iommu_shutdown(void) } /* Must execute after PCI subsystem */ fs_initcall(pci_iommu_init); - -#ifdef CONFIG_PCI -/* Many VIA bridges seem to corrupt data for DAC. Disable it here */ - -static __devinit void via_no_dac(struct pci_dev *dev) -{ - if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI && forbid_dac == 0) { - printk(KERN_INFO "PCI: VIA PCI bridge detected." - "Disabling DAC.\n"); - forbid_dac = 1; - } -} -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_ANY_ID, via_no_dac); -#endif |
