[PATCH 1/4] x86-64: Calgary IOMMU - introduce iommu_detected

Andi Kleen ak at suse.de
Fri May 26 09:54:16 CEST 2006


> Also, in the reworked version of iommu-abstraction on
> ftp://ftp.firstfloor.org/pub/ak/x86_64/quilt/patches has a bug.  When
> iommu_setup was kept in it's original form, the "+__setup("iommu=",
> iommu_setup);" wasn't removed, which gives 2 calls to the same function.
> I'll send updated versions of the patches here shortly which will apply
> cleanly inplace to that tree.

That was intentional. All early boot options need a __setup too, otherwise
they will appear as variables in init's environment.

It would be only a problem if the code couldn't run twice, but that is 
normally not the case.

-Andi



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