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SubjectRe: [PATCH 1/4] x86/amd-iommu: Workaround for erratum 63
On Thu 2009-10-29 17:50:09, Joerg Roedel wrote:
> There is an erratum for IOMMU hardware which documents
> undefined behavior when forwarding SMI requests from
> peripherals and the DTE of that peripheral has a sysmgt
> value of 01b. This problem caused weird IO_PAGE_FAULTS in my
> case.

This should go to comment.

> +
> +
> +void amd_iommu_apply_erratum_63(u16 devid)
> +{
> + int sysmgt;
> +

...that should go here. Pointer to pdf with erratum would be cool,
too.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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