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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-04-10 22:27:48 -0700
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-04-10 22:27:48 -0700
commite523b38e2f568af58baa13120a994cbf24e6dee0 (patch)
tree2601f9c24420cb7c7c381062965908287fdde9a8 /drivers/net/dl2k.h
parent31d3568dfeb1dfb2735f119efe5ece7c6d40969c (diff)
intel-iommu: Avoid panic() for DRHD at address zero.
If the BIOS does something obviously stupid, like claiming that the registers for the IOMMU are at physical address zero, then print a nasty message and abort, rather than trying to set up the IOMMU and then later panicking. It's becoming more and more obvious that trusting this stuff to the BIOS was a mistake. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/net/dl2k.h')
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