Re: [PATCH] Bugfix for VMI paravirt ops

[Zachary Amsden]

Jeremy Fitzhardinge wrote:
> Zachary Amsden wrote:
>   
> > So the clean fix for this is still even further out.  I don't think I
> > want to hook kmap/unmap as paravirt-ops.
> >     
>
> Yes, it seems like overkill.
>
> How about something like adding PARAVIRT_LAZY_FLUSH as an argument to
> set_lazy_mode?  It would be valid to use at any time, and it would flush
> any pending work while still remaining in whatever lazy mode its
> currently in.  That way kmap_atomic can flush anything pending without
> having to muck around with the current lazy state.
>   

Yes, thought about several solutions, and this seems the best.  But it 
requires a new paravirt-op.

Zach

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