diff options
| author |   Keshavamurthy, Anil S <anil.s.keshavamurthy@intel.com> | 2007-10-21 16:41:59 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-22 08:13:19 -0700 |
| commit | 358dd8ac53a3bdafe62e3319e30627f3fef3a7b0 (patch) | |
| tree | b31a6f707504f8b0257c27bcb3582190f2697c49 /include/asm-x86/device.h | |
| parent | intel-iommu: optimize sg map/unmap calls (diff) | |
| download | linux-dev-358dd8ac53a3bdafe62e3319e30627f3fef3a7b0.tar.xz linux-dev-358dd8ac53a3bdafe62e3319e30627f3fef3a7b0.zip | |
intel-iommu: fix for IOMMU early crash
pci_dev's->sysdata is highly overloaded and currently IOMMU is broken due
to IOMMU code depending on this field.
This patch introduces new field in pci_dev's dev.archdata struct to hold
IOMMU specific per device IOMMU private data.
Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Greg KH <greg@kroah.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | include/asm-x86/device.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/device.h b/include/asm-x86/device.h index d9ee5e52e91b..87a715367a1b 100644 --- a/include/asm-x86/device.h +++ b/include/asm-x86/device.h @@ -5,6 +5,9 @@ struct dev_archdata { #ifdef CONFIG_ACPI void *acpi_handle; #endif +#ifdef CONFIG_DMAR + void *iommu; /* hook for IOMMU specific extension */ +#endif }; #endif /* _ASM_X86_DEVICE_H */ |