[libvirt] [PATCH 1/3] qemu: Re-reserve all PCI addresses on libvirtd restart
Daniel P. Berrange
berrange at redhat.com
Mon Aug 16 16:18:10 UTC 2010
On Fri, Aug 13, 2010 at 05:26:45PM +0200, Jiri Denemark wrote:
> When reconnecting to existing VMs, we re-reserved only those PCI
> addresses which were explicitly mentioned in domain XML. Since some
> addresses are always reserved (e.g., 0:0:0 and 0:0:1), we need to handle
> those too.
>
> Also all this should only be done if device flag is supported by qemu.
> ---
> src/qemu/qemu_driver.c | 8 +++++---
> 1 files changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index e718816..2ca3940 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -1455,11 +1455,13 @@ qemuReconnectDomain(void *payload, const char *name ATTRIBUTE_UNUSED, void *opaq
> if (qemudExtractVersionInfo(obj->def->emulator,
> NULL,
> &qemuCmdFlags) >= 0 &&
> - (qemuCmdFlags & QEMUD_CMD_FLAG_DEVICE))
> + (qemuCmdFlags & QEMUD_CMD_FLAG_DEVICE)) {
> priv->persistentAddrs = 1;
>
> - if (!(priv->pciaddrs = qemuDomainPCIAddressSetCreate(obj->def)))
> - goto error;
> + if (!(priv->pciaddrs = qemuDomainPCIAddressSetCreate(obj->def)) ||
> + qemuAssignDevicePCISlots(obj->def, priv->pciaddrs) < 0)
> + goto error;
> + }
>
> if (driver->securityDriver &&
> driver->securityDriver->domainReserveSecurityLabel &&
ACK
Daniel
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