[libvirt] [RFC PATCH v2 14.5/18] qemu: Bump the memory locking limit for mdevs as well

Erik Skultety eskultet at redhat.com
Thu Feb 16 16:49:45 UTC 2017


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 eb86385..bdd687f 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -6222,11 +6222,12 @@ 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;
     }
 
-- 
2.10.2




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