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[Xen-devel] [PATCH 0/3] xen: Fix oops when mapping/unmapping addr above
| To: | jeremy@xxxxxxxx |
|---|---|
| Subject: | [Xen-devel] [PATCH 0/3] xen: Fix oops when mapping/unmapping addr above 1Gb |
| From: | Mark McLoughlin <markmc@xxxxxxxxxx> |
| Date: | Fri, 28 Mar 2008 16:38:14 +0000 |
| Cc: | mingo@xxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx |
| Delivery-date: | Fri, 28 Mar 2008 09:43:35 -0700 |
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Hi,
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.
Cheers,
Mark.
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