Re: [Xen-devel] [PATCHv2 0/3] Xen: FIFO-based event channel ABI fixes

[David Vrabel <dvrabel@xxxxxxxxxx>]

Sorry Jan, wrong email address.

On 31/10/2013 15:03, David Vrabel wrote:
> This series addresses two design flaws in the FIFO-based event channel
> ABI.
> 
> 1. Allow guests to expand the array after binding events.
> 
> 2. Fix a potential DoS caused by an unbounded loop when setting LINK.
> 
> An updated design document is available from:
> 
> http://xenbits.xen.org/people/dvrabel/event-channels-G.pdf
> 
> - Add section on memory barriers.
> - EVTCHNOP expand array should be called after binding events.
> - Guest clearing MASKED on a tail event is no longer valid, a
>   hypercall is required. This allows the loop in the Xen's link()
>   function to be bounded.
> 
> v8 of the Linux patches will be posted shortly.
> 
> Changes since v1:
> - Add MAINTAINERS patch
> - Remove some unnecessary temporary pending state clears
> - Add fix for DoS
> 
> 
> _______________________________________________
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> http://lists.xen.org/xen-devel
> 


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