Thread (48 messages) 48 messages, 9 authors, 2010-01-22

Re: [PATCH v3 00/12] KVM: Add host swap event notifications for PV guest

From: Rik van Riel <hidden>
Date: 2010-01-08 19:56:16
Also in: kvm, lkml

On 01/08/2010 02:30 PM, Bryan Donlan wrote:
On Fri, Jan 8, 2010 at 2:24 PM, Rik van Riel[off-list ref]  wrote:
quoted
On 01/08/2010 11:18 AM, Marcelo Tosatti wrote:
quoted
- Limit the number of queued async pf's per guest ?
This is automatically limited to the number of processes
running in a guest :)
Only if the guest is nice and plays by the rules. What is to stop a
malicious guest from just immediately switching back to userspace and
kicking off another page-in every time it gets an async PF?
Good point, a malicious guest could do that and ruin
things for everyone.  I guess we do need a limit :)

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