[libvirt] [PATCH v4 11/14] qemu: Bump the memory locking limit for mdevs as well
Laine Stump
laine at laine.org
Sun Mar 26 19:04:05 UTC 2017
On 03/22/2017 11:27 AM, Erik Skultety wrote:
> Since mdevs are just another type of VFIO devices, we should increase
> the memory locking limit the same way we do for VFIO PCI devices.
>
> Signed-off-by: Erik Skultety <eskultet at redhat.com>
> ---
> src/qemu/qemu_domain.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> index d1ac1d641b..04e64b47ea 100644
> --- a/src/qemu/qemu_domain.c
> +++ b/src/qemu/qemu_domain.c
> @@ -6347,11 +6347,12 @@ qemuDomainRequiresMemLock(virDomainDefPtr def)
> return true;
>
> for (i = 0; i < def->nhostdevs; i++) {
> - virDomainHostdevDefPtr dev = def->hostdevs[i];
> + virDomainHostdevSubsysPtr subsys = &def->hostdevs[i]->source.subsys;
>
> - if (dev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
> - dev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
> - dev->source.subsys.u.pci.backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO)
> + if (def->hostdevs[i]->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
> + (subsys->type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV ||
> + (subsys->type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
> + subsys->u.pci.backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO)))
> return true;
> }
>
>
ACK.
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