>>> On 16.06.15 at 18:39, wrote:
> On 16/06/15 17:19, Jan Beulich wrote:
> On 16.06.15 at 17:58, wrote:
>>> On 16/06/15 16:19, David Vrabel wrote:
>> @@ -1221,6 +1277,8 @@ void notify_via_xen_event_channel(struct domain
>> *ld,
>>> int lport)
>> evtchn_port_set_pending(
On 16/06/15 17:19, Jan Beulich wrote:
On 16.06.15 at 17:58, wrote:
>> On 16/06/15 16:19, David Vrabel wrote:
> @@ -1221,6 +1277,8 @@ void notify_via_xen_event_channel(struct domain
> *ld,
>> int lport)
> evtchn_port_set_pending(rd, rchn->notify_vcpu_id, rchn);
>
>>> On 16.06.15 at 17:58, wrote:
> On 16/06/15 16:19, David Vrabel wrote:
@@ -1221,6 +1277,8 @@ void notify_via_xen_event_channel(struct domain *ld,
> int lport)
evtchn_port_set_pending(rd, rchn->notify_vcpu_id, rchn);
}
+spin_unlock(&lchn->lock);
On 16/06/15 16:19, David Vrabel wrote:
>>> @@ -1221,6 +1277,8 @@ void notify_via_xen_event_channel(struct domain *ld,
>>> int lport)
>>> evtchn_port_set_pending(rd, rchn->notify_vcpu_id, rchn);
>>> }
>>>
>>> +spin_unlock(&lchn->lock);
>>> +
>>> spin_unlock(&ld->event_lock)
>>> On 16.06.15 at 17:19, wrote:
> On 16/06/15 10:18, Jan Beulich wrote:
> On 15.06.15 at 17:48, wrote:
>>> @@ -1163,11 +1213,15 @@ int alloc_unbound_xen_event_channel(
>>> if ( rc )
>>> goto out;
>>>
>>> +spin_lock(&chn->lock);
>>> +
>>> chn->state = ECS_UNBOUND;
>>>
On 16/06/15 10:18, Jan Beulich wrote:
On 15.06.15 at 17:48, wrote:
>> @@ -1163,11 +1213,15 @@ int alloc_unbound_xen_event_channel(
>> if ( rc )
>> goto out;
>>
>> +spin_lock(&chn->lock);
>> +
>> chn->state = ECS_UNBOUND;
>> chn->xen_consumer = get_xen_consumer(no
On 16/06/15 10:51, Jan Beulich wrote:
On 16.06.15 at 11:34, wrote:
>> On 16/06/15 10:18, Jan Beulich wrote:
>> On 15.06.15 at 17:48, wrote:
@@ -609,21 +662,18 @@ int evtchn_send(struct domain *ld, unsigned int
lport)
struct domain *rd;
intrport,
>>> On 16.06.15 at 11:34, wrote:
> On 16/06/15 10:18, Jan Beulich wrote:
> On 15.06.15 at 17:48, wrote:
>>> @@ -609,21 +662,18 @@ int evtchn_send(struct domain *ld, unsigned int lport)
>>> struct domain *rd;
>>> intrport, ret = 0;
>>>
>>> -spin_lock(&ld->event_lock
On 16/06/15 10:18, Jan Beulich wrote:
On 15.06.15 at 17:48, wrote:
>> @@ -609,21 +662,18 @@ int evtchn_send(struct domain *ld, unsigned int lport)
>> struct domain *rd;
>> intrport, ret = 0;
>>
>> -spin_lock(&ld->event_lock);
>> -
>> -if ( unlikely(!port_is_val
>>> On 15.06.15 at 17:48, wrote:
> @@ -609,21 +662,18 @@ int evtchn_send(struct domain *ld, unsigned int lport)
> struct domain *rd;
> intrport, ret = 0;
>
> -spin_lock(&ld->event_lock);
> -
> -if ( unlikely(!port_is_valid(ld, lport)) )
> -{
> -spin_unlo
When sending an event, use a new per-event channel lock to safely
validate the event channel state.
This new lock must be held when changing event channel state.
To avoid having to take the remote event channel locks when sending to
an interdomain event channel, the local and remote channel locks
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