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

To: Mark McLoughlin <markmc@xxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH 0/3] xen: Fix oops when mapping/unmapping addr above 1Gb
From: Ingo Molnar <mingo@xxxxxxx>
Date: Mon, 31 Mar 2008 15:14:42 +0200
Cc: jeremy@xxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>
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* 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?

        Ingo

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