[Xen-devel] Re: Interaction between Xen and XFS: stray RW mappings

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

dean gaudet wrote:
> sounds like a bug in xen to me :)
>   

I explained at the head of this thread how and why Xen works in this
manner.  It's certainly a change from native execution; whether you
consider it to be a bug is a different matter.

But it turns out that leaving stray mappings around on pages which get
later used in special ways is a bad idea, and can manifest in all kinds
of random unpleasant ways.  Getting a clear error out of Xen is probably
nicest way to discover and debug this problem.

    J

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