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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org,
	Avi Kivity <avi@redhat.com>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [Qemu-devel] [PATCH RFC] virtio: put last seen used index into ring itself
Date: Thu, 20 May 2010 13:04:47 +0300	[thread overview]
Message-ID: <20100520100447.GC5717@redhat.com> (raw)
In-Reply-To: <201005201431.51142.rusty@rustcorp.com.au>

On Thu, May 20, 2010 at 02:31:50PM +0930, Rusty Russell wrote:
> Can we do better?  The obvious idea is to try to get rid of last_used and
> used, and use the ring itself.  We would use an invalid entry to mark the
> head of the ring.
> 
> Any other thoughts?
> Rusty.

We also need a way to avoid interrupts at least while we are
processing the ring.

-- 
MST

  parent reply	other threads:[~2010-05-20 10:08 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-05 20:58 [Qemu-devel] [PATCH RFC] virtio: put last seen used index into ring itself Michael S. Tsirkin
2010-05-05 21:18 ` [Qemu-devel] " Dor Laor
2010-05-06  2:31 ` Rusty Russell
2010-05-06  6:19   ` Michael S. Tsirkin
2010-05-07  3:33     ` Rusty Russell
2010-05-09 21:06       ` Michael S. Tsirkin
2010-05-06 10:00 ` [Qemu-devel] " Avi Kivity
2010-05-07  3:23   ` Rusty Russell
2010-05-11 19:27     ` Avi Kivity
2010-05-11 19:52       ` Michael S. Tsirkin
2010-05-19  7:39       ` Rusty Russell
2010-05-19  8:06         ` Avi Kivity
2010-05-19 22:33           ` Michael S. Tsirkin
2010-05-20  6:04             ` Avi Kivity
2010-05-20  5:01           ` Rusty Russell
2010-05-20  5:08             ` Rusty Russell
2010-05-23 15:31               ` Michael S. Tsirkin
2010-05-23 15:41                 ` Avi Kivity
2010-05-23 15:51                   ` Michael S. Tsirkin
2010-05-23 16:03                     ` Avi Kivity
2010-05-23 16:30                       ` Michael S. Tsirkin
2010-05-24  6:37                         ` Avi Kivity
2010-05-24  8:05                           ` Michael S. Tsirkin
2010-05-24 11:00                             ` Avi Kivity
2010-05-23 17:28                       ` Michael S. Tsirkin
2010-05-23 15:56               ` Michael S. Tsirkin
2010-05-20  7:00             ` Avi Kivity
2010-05-20 14:34               ` Rusty Russell
2010-05-20 15:46                 ` Avi Kivity
2010-05-20 10:04             ` Michael S. Tsirkin [this message]
2010-05-11 18:46 ` [Qemu-devel] " Ryan Harper
2010-05-11 19:48   ` Michael S. Tsirkin

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