[libvirt] [PATCH] qemu: adjust maxmem/maxvcpu computation

Daniel P. Berrange berrange at redhat.com
Thu Feb 20 17:38:25 UTC 2014


On Wed, Jan 29, 2014 at 12:04:32PM -0700, Eric Blake wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=1038363
> 
> If a domain has a different maximum for persistent and live maxmem
> or max vcpus, then it is possible to hit cases where libvirt
> refuses to adjust the current values or gets halfway through
> the adjustment before failing.  Better is to determine up front
> if the change is possible for all requested flags.
> 
> * src/qemu/qemu_driver.c (qemuDomainSetMemoryFlags): Compute
> correct maximum if both live and config are being set.
> (qemuDomainSetVcpusFlags): Likewise.
> 
> Signed-off-by: Eric Blake <eblake at redhat.com>
> ---
>  src/qemu/qemu_driver.c | 21 ++++++++++++++++++---
>  1 file changed, 18 insertions(+), 3 deletions(-)

ACK

Daniel
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