[Xen-devel] Re: [PATCH 0/3] xen: Fix oops when mapping/unmapping addr above 1Gb

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Ingo Molnar wrote:
> * Mark McLoughlin <markmc@xxxxxxxxxx> wrote:
>
>   
> >         In Fedora rawhide we're currently seeing oopses whenever a 
> > processes dlopen()s a library which prelink() has previously relocated 
> > above 1Gb. Some more details at:
> >   https://bugzilla.redhat.com/436453
> >
> >         The issue seems to be that during xen_pgd_pin(), we only pin 
> > PTE pages, but xen's release_pmd() tries to unpin PMD pages too.
> >         The following series of patches is against the latest x86 
> > tree.
> >     
> thanks, i've picked them up to get them tested - but it would be nice to 
> have an ack from Jeremy as well. This seems like v2.6.25 material as 
> well, right?
Didn't I reply?  Anyway, the patch looks good.  It's definitely 2.6.25 
material; its fallout from the changes I did to dynamically 
allocate/deallocate pmds rather than always do them with the pgd.
   J

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