linux-kernel - Re: [PATCHv2 03/14] virtio_ring: support event idx feature

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Message-ID: <87vcx4u6mm.fsf@rustcorp.com.au>
Date:	Sat, 21 May 2011 12:01:13 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	"Michael S. Tsirkin" <mst@...hat.com>, linux-kernel@...r.kernel.org
Cc:	Carsten Otte <cotte@...ibm.com>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	linux390@...ibm.com, Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Shirley Ma <xma@...ibm.com>, lguest@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
	linux-s390@...r.kernel.org, kvm@...r.kernel.org,
	Krishna Kumar <krkumar2@...ibm.com>,
	Tom Lendacky <tahm@...ux.vnet.ibm.com>, steved@...ibm.com,
	habanero@...ux.vnet.ibm.com
Subject: Re: [PATCHv2 03/14] virtio_ring: support event idx feature

On Fri, 20 May 2011 02:10:44 +0300, "Michael S. Tsirkin" <mst@...hat.com> wrote:
> Support for the new event idx feature:
> 1. When enabling interrupts, publish the current avail index
>    value to the host to get interrupts on the next update.
> 2. Use the new avail_event feature to reduce the number
>    of exits from the guest.

Applied.

Thanks,
Rusty.
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