Re: [PATCH 6/7] KVM: assigned dev: MSI-X mask support

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On Mon, Nov 15, 2010 at 03:48:46PM +0800, Sheng Yang wrote:
> On Monday 15 November 2010 15:42:50 Michael S. Tsirkin wrote:
> > On Mon, Nov 15, 2010 at 03:37:21PM +0800, Sheng Yang wrote:
> > > > > We can back to them if there is someone really did it in that way.
> > > > > But for all hypervisors using QEmu, I think we haven't seen such
> > > > > kind of behavior yet.
> > > > 
> > > > I would rather stick to the spec than go figure out what do BSD/Sun/Mac
> > > > do, or will do.
> > > 
> > > Sure, but no hurry for that. It doesn't similar to the API case, so we
> > > can achieve it incrementally.
> > 
> > Isn't the proposed way to solve this to move vector address/data
> > handling into kernel too? If yes it does affect the API.
> 
> It didn't afffect the API used by this patch. So the code can still be modified 
> after later.

Then won't we have to support two APIs, forever?

> --
> regards
> Yang, Sheng
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