On 01/14/2011 09:48 PM, Eric Blake wrote:
Outgoing migration still has to use a Unix socket and or exec netcat,
since there is no way to pass a migration fd into qemu via monitor
commands, but incoming migration need not suffer from the complexity.
* src/qemu/qemu_driver.c (qemudDomainMigratePrepareTunnel):
Replace Unix socket with simpler pipe.
Suggested by Paolo Bonzini.
---
I've since been corrected; qemu_monitor.c has qemuMonitorIOWriteWithFD
that looks like it can be used to avoid exec: on outgoing migrations
by instead passing an open fd over a unix socket, although I have not
tested that yet. However, this patch does not need to be held up by
waiting for the followup patch that optimizes outgoing migrations.
src/qemu/qemu_driver.c | 49 +++++++++++++++--------------------------------
1 files changed, 16 insertions(+), 33 deletions(-)
Agreed, ACK.
Paolo
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