Re: [Xen-devel] yanked share problem

[NAHieu <nahieu@xxxxxxxxx>]

On 12/14/05, Mark Williamson <mark.williamson@xxxxxxxxxxxx> wrote:
> Unsharing the page doesn't forcibly revoke other domain's mappings to it, it
> just removes their right to create mappings.  DomU_A in your scenario
> wouldn't be able to cause the fault in DomU_B, the mapping to the page would
> be there until domU_B had finished with it.
>

Could you tell me what happen if the DomU_A crash while DomU_B still
accesses the  memory it is granted? And moreover, how can DomU_A knows
that his friend has just "died"?

Many thanks.
Hieu

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