Christoffer Dall writes:
> On Thu, Jul 31, 2014 at 07:21:44PM +0200, Paolo Bonzini wrote:
>> Il 31/07/2014 19:04, Peter Maydell ha scritto:
>> > On 31 July 2014 17:57, Paolo Bonzini wrote:
>> >> Il 09/07/2014 15:55, Alex Bennée ha scritto:
>>
>> No, it's not. It's just the state of the CPU, s
On Thu, Jul 31, 2014 at 07:21:44PM +0200, Paolo Bonzini wrote:
> Il 31/07/2014 19:04, Peter Maydell ha scritto:
> > On 31 July 2014 17:57, Paolo Bonzini wrote:
> >> Il 09/07/2014 15:55, Alex Bennée ha scritto:
> >>> To cleanly restore an SMP VM we need to ensure that the current pause
> >>> state
On Fri, Aug 01, 2014 at 10:11:52AM +0100, Alex Bennée wrote:
>
> Christoffer Dall writes:
>
> > On Thu, Jul 31, 2014 at 04:14:51PM +0100, Alex Bennée wrote:
> >>
> >> Christoffer Dall writes:
> >>
> >> > On Wed, Jul 09, 2014 at 02:55:12PM +0100, Alex Bennée wrote:
> >> >> To cleanly restore an
On Fri, Aug 01, 2014 at 10:48:36AM +0100, Alex Bennée wrote:
>
> Christoffer Dall writes:
>
> > On Thu, Jul 31, 2014 at 05:45:28PM +0100, Peter Maydell wrote:
> >> On 31 July 2014 17:38, Christoffer Dall
> >> wrote:
> >> >> > If we are not complaining when setting the pause value to false if it
Christoffer Dall writes:
> On Thu, Jul 31, 2014 at 05:45:28PM +0100, Peter Maydell wrote:
>> On 31 July 2014 17:38, Christoffer Dall wrote:
>> >> > If we are not complaining when setting the pause value to false if it
>> >> > was true before, then we probably also need to wake up the thread in
>
Christoffer Dall writes:
> On Thu, Jul 31, 2014 at 04:14:51PM +0100, Alex Bennée wrote:
>>
>> Christoffer Dall writes:
>>
>> > On Wed, Jul 09, 2014 at 02:55:12PM +0100, Alex Bennée wrote:
>> >> To cleanly restore an SMP VM we need to ensure that the current pause
>> >> state of each vcpu is cor
On Thu, Jul 31, 2014 at 06:36:35PM +0100, Peter Maydell wrote:
> On 31 July 2014 18:21, Paolo Bonzini wrote:
> > What does ARM do if you have a WFI while interrupts are disabled? On
> > x86 after "cli;hlt" only an NMI will wake you up. With spurious
> > wakeups, it's pretty much guaranteed that
On 31 July 2014 18:21, Paolo Bonzini wrote:
> What does ARM do if you have a WFI while interrupts are disabled? On
> x86 after "cli;hlt" only an NMI will wake you up. With spurious
> wakeups, it's pretty much guaranteed that you will break such "cli;hlt"
> sequences.
The architecture mandates s
Il 31/07/2014 19:04, Peter Maydell ha scritto:
> On 31 July 2014 17:57, Paolo Bonzini wrote:
>> Il 09/07/2014 15:55, Alex Bennée ha scritto:
>>> To cleanly restore an SMP VM we need to ensure that the current pause
>>> state of each vcpu is correctly recorded. Things could get confused if
>>> the
On 31 July 2014 17:57, Paolo Bonzini wrote:
> Il 09/07/2014 15:55, Alex Bennée ha scritto:
>> To cleanly restore an SMP VM we need to ensure that the current pause
>> state of each vcpu is correctly recorded. Things could get confused if
>> the CPU starts running after migration restore completes
Il 09/07/2014 15:55, Alex Bennée ha scritto:
> To cleanly restore an SMP VM we need to ensure that the current pause
> state of each vcpu is correctly recorded. Things could get confused if
> the CPU starts running after migration restore completes when it was
> paused before it state was captured.
On 31 July 2014 17:50, Christoffer Dall wrote:
> On Thu, Jul 31, 2014 at 05:45:28PM +0100, Peter Maydell wrote:
>> Consider the case where the reset state of the system is
>> "CPU 0 running, CPUs 1..N stopped", and we're doing an
>> incoming migration to a state where all CPUs are running.
>> In t
On Thu, Jul 31, 2014 at 05:45:28PM +0100, Peter Maydell wrote:
> On 31 July 2014 17:38, Christoffer Dall wrote:
> >> > If we are not complaining when setting the pause value to false if it
> >> > was true before, then we probably also need to wake up the thread in
> >> > case this is called from a
On 31 July 2014 17:38, Christoffer Dall wrote:
>> > If we are not complaining when setting the pause value to false if it
>> > was true before, then we probably also need to wake up the thread in
>> > case this is called from another thread, right?
>> >
>> > or perhaps we should just return an err
On Thu, Jul 31, 2014 at 04:14:51PM +0100, Alex Bennée wrote:
>
> Christoffer Dall writes:
>
> > On Wed, Jul 09, 2014 at 02:55:12PM +0100, Alex Bennée wrote:
> >> To cleanly restore an SMP VM we need to ensure that the current pause
> >> state of each vcpu is correctly recorded. Things could get c
Christoffer Dall writes:
> On Wed, Jul 09, 2014 at 02:55:12PM +0100, Alex Bennée wrote:
>> To cleanly restore an SMP VM we need to ensure that the current pause
>> state of each vcpu is correctly recorded. Things could get confused if
>> the CPU starts running after migration restore completes wh
On Wed, Jul 09, 2014 at 02:55:12PM +0100, Alex Bennée wrote:
> To cleanly restore an SMP VM we need to ensure that the current pause
> state of each vcpu is correctly recorded. Things could get confused if
> the CPU starts running after migration restore completes when it was
> paused before it sta
To cleanly restore an SMP VM we need to ensure that the current pause
state of each vcpu is correctly recorded. Things could get confused if
the CPU starts running after migration restore completes when it was
paused before it state was captured.
I've done this by exposing a register (currently on
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