On 03/09/2011 08:24 AM, Daniel P. Berrange wrote:
> On Tue, Mar 08, 2011 at 10:13:48PM -0700, Eric Blake wrote:
>> diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c
>> index ebf9ad5..83063a9 100644
>> --- a/src/qemu/qemu_cgroup.c
>> +++ b/src/qemu/qemu_cgroup.c
>> @@ -226,7 +229,8 @@ int qemuSetupCgroup(struct qemud_driver *driver,
>> goto cleanup;
>> }
>>
>> - rc = virCgroupAllowDeviceMajor(cgroup, 'c', DEVICE_PTY_MAJOR);
>> + rc = virCgroupAllowDeviceMajor(cgroup, 'c', DEVICE_PTY_MAJOR,
>> + VIR_CGROUP_DEVICE_RWM);
>> qemuAuditCgroupMajor(vm, cgroup, "allow", DEVICE_PTY_MAJOR,
>> "pty", rc == 0);
>> if (rc != 0) {
>
> I'm not entirely sure that we actually need RWM here, rather than
> just RW. QEMU doesn't do any mknod in /dev/pts/XXX. The entries
> in that filesystem just magically appear from the kernel when
> you open /dev/ptmx.
I tested with just RW instead of RWM, and was still able to do 'virsh
console' with no change in behavior, so I went with this change.
--
Eric Blake eblake@xxxxxxxxxx +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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