[libvirt PATCHv4 09/15] qemu: validate virtiofs filesystems
Peter Krempa
pkrempa at redhat.com
Wed Feb 26 09:05:36 UTC 2020
On Wed, Feb 26, 2020 at 09:44:14 +0100, Ján Tomko wrote:
> On Wed, Feb 26, 2020 at 09:15:17AM +0100, Michal Privoznik wrote:
> > On 2/26/20 8:33 AM, Peter Krempa wrote:
> > > On Thu, Feb 20, 2020 at 15:32:46 +0100, Ján Tomko wrote:
> > > > Reject unsupported configurations.
> > > >
> > > > Signed-off-by: Ján Tomko <jtomko at redhat.com>
> > > > ---
> > > > src/qemu/qemu_domain.c | 61 +++++++++++++++++++++++++++++++++++++++---
> > > > 1 file changed, 58 insertions(+), 3 deletions(-)
> > > >
> > > > diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> > > > index c3fc3fed1c..7cb283123d 100644
> > > > --- a/src/qemu/qemu_domain.c
> > > > +++ b/src/qemu/qemu_domain.c
> > > > @@ -8266,10 +8266,44 @@ qemuDomainDeviceDefValidateIOMMU(const virDomainIOMMUDef *iommu,
> > > > return 0;
> > > > }
> > > > +static int
> > > > +qemuDomainDefValidateVirtioFSSharedMemory(const virDomainDef *def)
> > > > +{
> > > > + size_t numa_nodes = virDomainNumaGetNodeCount(def->numa);
> > > > + size_t i;
> > > > +
> > > > + for (i = 0; i < numa_nodes; i++) {
> > >
> > > This won't catch guests with no numa configured ...
> > >
>
> Consider this squashed in:
> diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> index 090720fd76..f992e3fc6e 100644
> --- a/src/qemu/qemu_domain.c
> +++ b/src/qemu/qemu_domain.c
> @@ -8276,6 +8276,12 @@ qemuDomainDefValidateVirtioFSSharedMemory(const virDomainDef *def)
> size_t numa_nodes = virDomainNumaGetNodeCount(def->numa);
> size_t i;
>
> + if (numa_nodes == 0) {
> + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> + _("virtiofs requires one or more NUMA nodes"));
> + return -1;
> + }
> +
> for (i = 0; i < numa_nodes; i++) {
> virDomainMemoryAccess node_access =
> virDomainNumaGetNodeMemoryAccessMode(def->numa, i);
We have a similar requirement for either cpu or memory hotplug so:
Reviewed-by: Peter Krempa <pkrempa at redhat.com>
Ideally guests instantiated via virt-install should already come with ne
numa node, but that's for another time.
More information about the libvir-list
mailing list