[libvirt] [PATCH] Don't ignore guest CPU selection when unsupported by HV
Daniel Veillard
veillard at redhat.com
Wed Apr 7 08:32:44 UTC 2010
On Tue, Apr 06, 2010 at 05:54:55PM +0200, Jiri Denemark wrote:
> When qemu libvirt driver doesn't support guest CPU selection with given
> qemu binary, guests requiring specific CPU should fail to start instead
> of being silently supplied with a default CPU.
> ---
> src/qemu/qemu_conf.c | 13 ++++++++++---
> 1 files changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
> index 592360f..3fb0074 100644
> --- a/src/qemu/qemu_conf.c
> +++ b/src/qemu/qemu_conf.c
> @@ -3249,9 +3249,16 @@ qemuBuildCpuArgStr(const struct qemud_driver *driver,
> virBuffer buf = VIR_BUFFER_INITIALIZER;
> int i;
>
> - if (def->cpu && def->cpu->model
> - && qemudProbeCPUModels(emulator, ut->machine, &ncpus, &cpus) < 0)
> - goto cleanup;
> + if (def->cpu && def->cpu->model) {
> + if (qemudProbeCPUModels(emulator, ut->machine, &ncpus, &cpus) < 0)
> + goto cleanup;
> +
> + if (!ncpus || !host) {
> + qemuReportError(VIR_ERR_NO_SUPPORT, "%s",
> + _("CPU specification not supported by hypervisor"));
> + goto cleanup;
> + }
> + }
>
> if (ncpus > 0 && host) {
> virCPUCompareResult cmp;
Makes sense, patch looks fine,
ACK,
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel at veillard.com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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