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[Xen-devel] Re: [PATCH] allow connecting to xenconsole from remote hosts

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: [Xen-devel] Re: [PATCH] allow connecting to xenconsole from remote hosts
From: Muli Ben-Yehuda <muli@xxxxxxxxxx>
Date: Wed, 13 Sep 2006 16:59:04 +0300
Cc: Jimi Xenidis <jimix@xxxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Anthony Liguori <anthony@xxxxxxxxxxxxx>, Orran Y Krieger <okrieg@xxxxxxxxxx>
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On Wed, Sep 13, 2006 at 02:37:31PM +0100, Keir Fraser wrote:

> On 7/9/06 08:28, "Muli Ben-Yehuda" <muli@xxxxxxxxxx> wrote:
> > The attached patch makes xenconsole send and receive console messages
> > over a remote connection, instead of via stdin/stdout - if given the
> > --remote switch. It is useful for proxy'ing real console message or
> > other protocol messages (such as gdb) between dom0 and a remote
> > host. We're currently using it for proxying gdb between gdbstub in a
> > partition that talks gdb over the console page to a remote host
> > running gdb.
> You still have that message/queue struct stuff. Is it needed, especially now
> that noecho is gone?

I need someplace to keep what we read from a source fd until the
destination fd becomes writable. The original code just assumed
everything is writable and wrote it immediately; this assumption may
not be correct when the destination fd is a socket.


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