Re: [RFC] PPC: MPIC: necessary readback after EOI?

[Segher Boessenkool]

On Wed, Jan 07, 2015 at 03:40:10PM +0100, Benjamin Herrenschmidt wrote:
> One way to work around the performance loss for you would be to add some
> DT property to indicate to the guest that the read isn't necessary.

Or KVM could use a virtual interrupt controller better suited to its
needs.


Segher
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