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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] [PATCH 0/8] virtio-console: Move to qdev, multiple devices, generic ports |
Date: | Thu, 14 Jan 2010 08:34:42 -0600 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-4.fc12 Lightning/1.0pre Thunderbird/3.0 |
On 01/14/2010 07:17 AM, Amit Shah wrote:
Hello people, This iteration of the series removes the START and END flags (and hence the header associated with each buffer). That's the major change since the last submission.
I think the biggest issue remaining is the buffering.I think this is a pretty fundamental issue to work out since it determines the very nature of the transport (stream vs. datagram).
Because you have to put a max buffer size on the transport, I think buffering is a really flawed approach provably equivalent to just increasing the message size within the transport. In general, the later is a better approach because then the guest is using it's memory vs. using host memory.
Regards, Anthony Liguori
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