[PATCH 09/26] KVM: PPC: Add PV guest scratch registers

[Avi Kivity]

On 06/26/2010 02:24 AM, Alexander Graf wrote:
> While running in hooked code we need to store register contents out because
> we must not clobber any registers.
>
> So let's add some fields to the shared page we can just happily write to.
>
>    

How are these protected during interrupts?

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error compiling committee.c: too many arguments to function