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Date: Wed, 7 Jan 2015 18:49:08 -0600 From: Segher Boessenkool <segher@...nel.crashing.org> To: Benjamin Herrenschmidt <benh@...nel.crashing.org> Cc: Purcareata Bogdan <b43198@...escale.com>, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org Subject: Re: [RFC] PPC: MPIC: necessary readback after EOI? 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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