From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Mark McLoughlin <markmc@redhat.com>,
linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 0/3] xen: Fix oops when mapping/unmapping addr above 1Gb
Date: Mon, 31 Mar 2008 07:55:27 -0700 [thread overview]
Message-ID: <47F0FB5F.2000908@goop.org> (raw)
In-Reply-To: <20080331131442.GF14636@elte.hu>
Ingo Molnar wrote:
> * Mark McLoughlin <markmc@redhat.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?
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
next prev parent reply other threads:[~2008-03-31 14:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-28 16:38 [PATCH 0/3] xen: Fix oops when mapping/unmapping addr above 1Gb Mark McLoughlin
2008-03-28 16:38 ` [PATCH 1/3] xen: Refactor xen_{alloc,release}_{pte,pmd}() Mark McLoughlin
2008-03-28 16:38 ` [PATCH 2/3] xen: Do not pin/unpin PMD pages Mark McLoughlin
2008-03-28 16:38 ` [PATCH 3/3] xen: Clear PG_pinned in release_{pte,pmd}() Mark McLoughlin
2008-03-28 18:02 ` [PATCH 0/3] xen: Fix oops when mapping/unmapping addr above 1Gb Jeremy Fitzhardinge
2008-03-31 13:14 ` Ingo Molnar
2008-03-31 14:55 ` Jeremy Fitzhardinge [this message]
2008-04-02 14:35 ` Mark McLoughlin
2008-04-02 14:36 ` [PATCH 1/3] xen: Refactor xen_{alloc,release}_{pt,pd}() Mark McLoughlin
2008-04-02 14:36 ` [PATCH 2/3] xen: Do not pin/unpin PMD pages Mark McLoughlin
2008-04-02 14:36 ` [PATCH 3/3] xen: Clear PG_pinned in release_{pt,pd}() Mark McLoughlin
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