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xen-devel
Re: [Xen-devel] Re: Oops when loading xen_platform_pci module in HVM dom
> >> Page directory entries use permissions _PAGE_TABLE, which does not include
> >> _PAGE_NX. So clearing _PAGE_NX from the PTEs, using
> >> change_page_attr(PAGE_KERNEL_EXEC), should suffice.
> > The oops message is fairly clear that _PAGE_NX is set on the PMD, and
> > I'd guess it probably got set from phys_pmd_init.
> >
> > I think vmalloc_exec is probably the right answer here. I'll have a
> > go at this over the weekend.
> I've had a go (c/s 11435). It's complicated by the fact that vmalloc_exec()
> and __PAGE_KERNEL_EXEC are not exported to modules.
Thanks.
Steven.
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