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Re: [Qemu-devel] [PATCH] migration: setup bi-directional I/O channel for
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From: |
Juan Quintela |
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Subject: |
Re: [Qemu-devel] [PATCH] migration: setup bi-directional I/O channel for exec: protocol |
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Date: |
Fri, 21 Apr 2017 13:55:58 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
"Daniel P. Berrange" <address@hidden> wrote:
> Historically the migration data channel has only needed to be
> unidirectional. Thus the 'exec:' protocol was requesting an
> I/O channel with O_RDONLY on incoming side, and O_WRONLY on
> the outgoing side.
>
> This is fine for classic migration, but if you then try to run
> TLS over it, this fails because the TLS handshake requires a
> bi-directional channel.
>
> Signed-off-by: Daniel P. Berrange <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
Actually, lots of people request that we have bi-directional
communication always that it is possible.