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authorKeshavamurthy, Anil S <anil.s.keshavamurthy@intel.com>2007-10-21 16:41:59 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-22 08:13:19 -0700
commit358dd8ac53a3bdafe62e3319e30627f3fef3a7b0 (patch)
treeb31a6f707504f8b0257c27bcb3582190f2697c49 /include/asm-x86
parentf76aec76ec7f68829a66624d11a50ed6cb404185 (diff)
downloadop-kernel-dev-358dd8ac53a3bdafe62e3319e30627f3fef3a7b0.zip
op-kernel-dev-358dd8ac53a3bdafe62e3319e30627f3fef3a7b0.tar.gz
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 'include/asm-x86')
-rw-r--r--include/asm-x86/device.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/device.h b/include/asm-x86/device.h
index d9ee5e5..87a7153 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 */
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