On Tue, Jan 24, 2017 at 10:23:57AM +, Andre Przywara wrote:
> Hi,
>
> so I gave this patch (adapted to live without the soft_pending state)
> some testing on my machines (Midway, Juno, GICv3 ITS h/w) and it seemed
> to work well - at least if one is nice and starts only one process
>
Hi,
[...]
As I didn't understand the seq_* semantics in the first place, I didn't
have a look yet what could cause this.
>>>
>>> Nice catch, I'll have a look at this.
>>>
>>> Just so I'm sure, these are two processes reading the vgic-state file
>>> for the same single VM, right?
On Tue, Jan 24, 2017 at 12:25:25PM +, Andre Przywara wrote:
> Hi,
>
> On 24/01/17 10:58, Christoffer Dall wrote:
> > On Tue, Jan 24, 2017 at 10:23:57AM +, Andre Przywara wrote:
> >> Hi,
> >>
> >> so I gave this patch (adapted to live without the soft_pending state)
> >> some testing on my
Hi,
On 24/01/17 10:58, Christoffer Dall wrote:
> On Tue, Jan 24, 2017 at 10:23:57AM +, Andre Przywara wrote:
>> Hi,
>>
>> so I gave this patch (adapted to live without the soft_pending state)
>> some testing on my machines (Midway, Juno, GICv3 ITS h/w) and it seemed
>> to work well - at least
On Tue, Jan 24, 2017 at 10:23:57AM +, Andre Przywara wrote:
> Hi,
>
> so I gave this patch (adapted to live without the soft_pending state)
> some testing on my machines (Midway, Juno, GICv3 ITS h/w) and it seemed
> to work well - at least if one is nice and starts only one process
>
Hi,
so I gave this patch (adapted to live without the soft_pending state)
some testing on my machines (Midway, Juno, GICv3 ITS h/w) and it seemed
to work well - at least if one is nice and starts only one process
accessing vgic-state (see below). I caught some IRQs red-handed and the
output
On 20/01/17 20:07, Christoffer Dall wrote
Hi Christoffer,
> On Fri, Jan 20, 2017 at 06:07:26PM +, Andre Przywara wrote:
>> Hej Christoffer,
>>
>> On 20/01/17 10:33, Christoffer Dall wrote:
>>> Add a file to debugfs to read the in-kernel state of the vgic. We don't
>>> do any locking of the
Hi Andre,
On Fri, Jan 20, 2017 at 06:07:26PM +, Andre Przywara wrote:
> Hej Christoffer,
>
> On 20/01/17 10:33, Christoffer Dall wrote:
> > Add a file to debugfs to read the in-kernel state of the vgic. We don't
> > do any locking of the entire VGIC state while traversing all the IRQs,
> >
Hej Christoffer,
On 20/01/17 10:33, Christoffer Dall wrote:
> Add a file to debugfs to read the in-kernel state of the vgic. We don't
> do any locking of the entire VGIC state while traversing all the IRQs,
> so if the VM is running the user/developer may not see a quiesced state,
> but should