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From: | Amit Shah |
Subject: | Re: [Qemu-devel] [PATCH v3 0/4] char: write callback, virtio-console: flow control |
Date: | Thu, 15 Apr 2010 18:28:12 +0530 |
User-agent: | Mutt/1.5.19 (2009-01-05) |
On (Thu) Apr 15 2010 [13:04:40], Paul Brook wrote: > > This series lets interested callers ask for an -EAGAIN return from the > > chardev backends (only unix and tcp sockets as of now) to implement > > their own flow control. > > As mentioned previously, I think this is a bad idea. The device has no > useful > way of determining when to transmit the rest of the data. The device gets a callback which indicates the chardev is ready to accept more data. Amit
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