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

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Message-ID: <20080331131442.GF14636@elte.hu>
Date:	Mon, 31 Mar 2008 15:14:42 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Mark McLoughlin <markmc@...hat.com>
Cc:	jeremy@...p.org, linux-kernel@...r.kernel.org,
	xen-devel@...ts.xensource.com,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 0/3] xen: Fix oops when mapping/unmapping addr above 1Gb


* Mark McLoughlin <markmc@...hat.com> 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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