[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] RE: [RFC][PATCH][VTD][v3] consolidate VT-d quirks into a single file quirks.c
Jan, sorry disappearing for the last week. I had to attend to some urgent matters. > The issue is not with doing a mapping, but with where (in virtual address > space) > you map to: You're passing a *physical* address for what is to be a *virtual* > one > (first argument to map_pages_to_xen()), i.e. as soon as there is any domain > the > mapping will conflict with the domain's use of virtual addresses. Agree. I fixed it in the attached v3 patch by using a fixmap entry for doing ioremap. > There's one more thing I just noticed: Isn't warning you're > adding to is_igd_drhd() going to trigger needlessly (and perhaps > frequently) on Intel IOMMU systems without any device at 0:2.0 > I think if at all, the warning should only be issued once. I removed the warning message. Allen Attachment:
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