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qemu: cgroup: Setup cgroups for bios/firmware images

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oVirt wants to use OVMF images on top of lvm for their 'logical'
storage thus we should set up device ACLs for them so it will actually
work.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1305922
This commit is contained in:
Peter Krempa 2016-02-16 16:26:01 +01:00
parent d6c91b3c03
commit d1242ba24a
1 changed files with 22 additions and 0 deletions
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22
src/qemu/qemu_cgroup.c
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@ -547,6 +547,25 @@ qemuSetupMemoryCgroup(virDomainObjPtr vm)
}
static int
qemuSetupFirmwareCgroup(virDomainObjPtr vm)
{
if (!vm->def->os.loader)
return 0;
if (vm->def->os.loader->path &&
qemuSetupImagePathCgroup(vm, vm->def->os.loader->path,
vm->def->os.loader->readonly == VIR_TRISTATE_BOOL_YES) < 0)
return -1;
if (vm->def->os.loader->nvram &&
qemuSetupImagePathCgroup(vm, vm->def->os.loader->nvram, false) < 0)
return -1;
return 0;
}
static int
qemuSetupDevicesCgroup(virQEMUDriverPtr driver,
virDomainObjPtr vm)
@ -573,6 +592,9 @@ qemuSetupDevicesCgroup(virQEMUDriverPtr driver,
goto cleanup;
}
if (qemuSetupFirmwareCgroup(vm) < 0)
goto cleanup;
for (i = 0; i < vm->def->ndisks; i++) {
if (qemuSetupDiskCgroup(vm, vm->def->disks[i]) < 0)
goto cleanup;