[libvirt] [PATCH 2/2] qemu: use -incoming fd:n to avoid qemu holding fd indefinitely

[Eric Blake]

On 12/22/2010 03:27 PM, Eric Blake wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=620363
> 
> When using -incoming stdio or -incoming exec:cat, qemu keeps the
> stdin fd open long after the migration is complete.  Not to
> mention that exec:cat is horribly inefficient, by doubling the
> I/O and going through a popen interface in qemu.
> 
> The new -incoming fd: of qemu 0.12.0 closes the fd after using
> it, and allows us to bypass an intermediary cat process for
> less I/O.

Ping. Do we want this patch included into 0.8.7?  It's technically a new
feature, but it was proposed before we entered feature freeze.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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