On 2016年06月01日 18:49, Julien Grall wrote:
> Hi Stefano,
>
> On 01/06/16 10:54, Stefano Stabellini wrote:
>>> spin_is_locked does not work as you expect. The function will not
>>> tell you if
>>> the lock was taken by the current CPU, but if the lock was taken by
>>> *a* CPU.
>>>
>>> It would be
Hi Stefano,
On 01/06/16 10:54, Stefano Stabellini wrote:
spin_is_locked does not work as you expect. The function will not tell you if
the lock was taken by the current CPU, but if the lock was taken by *a* CPU.
It would be possible to have CPU A calling this function and have CPU B with
the
On Tue, 31 May 2016, Julien Grall wrote:
> Hi Stefano,
>
> On 31/05/16 10:40, Stefano Stabellini wrote:
> > On Mon, 30 May 2016, Julien Grall wrote:
> > > ACPI can only be enabled in expert mode and will be a tech-preview for Xen
> > > 4.7. So I would revert the patch. SPIs will not be routed,
On Tue, May 31, 2016 at 10:40:13AM +0100, Stefano Stabellini wrote:
> On Mon, 30 May 2016, Julien Grall wrote:
> > (CC Wei Liu)
> >
> > Hi Stefano,
> >
> > On 30/05/2016 14:16, Stefano Stabellini wrote:
> > > On Fri, 27 May 2016, Julien Grall wrote:
> > > > Hello Shanker,
> > > >
> > > > On
Hi Stefano,
On 31/05/16 10:40, Stefano Stabellini wrote:
On Mon, 30 May 2016, Julien Grall wrote:
ACPI can only be enabled in expert mode and will be a tech-preview for Xen
4.7. So I would revert the patch. SPIs will not be routed, but it is better
than a deadlock.
I would also replace the
On Mon, 30 May 2016, Julien Grall wrote:
> (CC Wei Liu)
>
> Hi Stefano,
>
> On 30/05/2016 14:16, Stefano Stabellini wrote:
> > On Fri, 27 May 2016, Julien Grall wrote:
> > > Hello Shanker,
> > >
> > > On 27/05/16 01:39, Shanker Donthineni wrote:
> > > > Commit 9d77b3c01d1261c (Configure SPI
On 2016/5/31 3:45, Julien Grall wrote:
> (CC Wei Liu)
>
> Hi Stefano,
>
> On 30/05/2016 14:16, Stefano Stabellini wrote:
>> On Fri, 27 May 2016, Julien Grall wrote:
>>> Hello Shanker,
>>>
>>> On 27/05/16 01:39, Shanker Donthineni wrote:
Commit 9d77b3c01d1261c (Configure SPI interrupt type
(CC Wei Liu)
Hi Stefano,
On 30/05/2016 14:16, Stefano Stabellini wrote:
On Fri, 27 May 2016, Julien Grall wrote:
Hello Shanker,
On 27/05/16 01:39, Shanker Donthineni wrote:
Commit 9d77b3c01d1261c (Configure SPI interrupt type and route to
Dom0 dynamically) causing dead loop inside the
On Fri, 27 May 2016, Julien Grall wrote:
> Hello Shanker,
>
> On 27/05/16 01:39, Shanker Donthineni wrote:
> > Commit 9d77b3c01d1261c (Configure SPI interrupt type and route to
> > Dom0 dynamically) causing dead loop inside the spinlock function.
> > Note that spinlocks in XEN are not recursive.
Hello Shanker,
On 27/05/16 01:39, Shanker Donthineni wrote:
Commit 9d77b3c01d1261c (Configure SPI interrupt type and route to
Dom0 dynamically) causing dead loop inside the spinlock function.
Note that spinlocks in XEN are not recursive. Re-acquiring a spinlock
that has already held by calling
Commit 9d77b3c01d1261c (Configure SPI interrupt type and route to
Dom0 dynamically) causing dead loop inside the spinlock function.
Note that spinlocks in XEN are not recursive. Re-acquiring a spinlock
that has already held by calling CPU leads to deadlock. This happens
whenever dom0 does writes
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