>>> I haven't yet because I fail to understand why the decrementer is not
>>> interrupting the dying CPU under xics as it is the case under XIVE.
>>
>> Oh.. ok. This sounds very similar to the problem Nikunj hit under TCG
>> with decrementer interrupts waking up a supposedly dead CPU. He had a
>
David Gibson writes:
> On Tue, Oct 03, 2017 at 08:24:07AM +0200, Cédric Le Goater wrote:
>> On 10/03/2017 05:36 AM, David Gibson wrote:
>> > On Mon, Oct 02, 2017 at 06:27:20PM +0200, Cédric Le Goater wrote:
>> >> On 09/23/2017 10:26 AM, Cédric Le Goater wrote:
>> >>> Hi,
>> >>>
>> >>> Here are a
On 10/03/2017 08:58 AM, David Gibson wrote:
> On Tue, Oct 03, 2017 at 08:24:07AM +0200, Cédric Le Goater wrote:
>> On 10/03/2017 05:36 AM, David Gibson wrote:
>>> On Mon, Oct 02, 2017 at 06:27:20PM +0200, Cédric Le Goater wrote:
On 09/23/2017 10:26 AM, Cédric Le Goater wrote:
> Hi,
>
>
Hello Michael,
On 10/03/2017 01:23 PM, Michael Ellerman wrote:
> Cédric Le Goater writes:
>
>> On 09/23/2017 10:26 AM, Cédric Le Goater wrote:
>>> Hi,
>>>
>>> Here are a couple of small fixes to support CPU hot unplug. There are
>>> still some issues to be investigated as, in some occasions, aft
Cédric Le Goater writes:
> On 09/23/2017 10:26 AM, Cédric Le Goater wrote:
>> Hi,
>>
>> Here are a couple of small fixes to support CPU hot unplug. There are
>> still some issues to be investigated as, in some occasions, after a
>> couple of plug and unplug, the cpu which was removed receives a
On Tue, 2017-10-03 at 17:58 +1100, David Gibson wrote:
>
> Ok.. why do you think this isn't of use? I'm pretty sure this is
> necessary for the TCG case, since MSR is checked in cpu_has_work(),
> which could otherwise wake up the "dead" cpu.
Ony if it's not in a PM state, in that case we check t
On Tue, Oct 03, 2017 at 08:24:07AM +0200, Cédric Le Goater wrote:
> On 10/03/2017 05:36 AM, David Gibson wrote:
> > On Mon, Oct 02, 2017 at 06:27:20PM +0200, Cédric Le Goater wrote:
> >> On 09/23/2017 10:26 AM, Cédric Le Goater wrote:
> >>> Hi,
> >>>
> >>> Here are a couple of small fixes to suppor
On 10/03/2017 05:36 AM, David Gibson wrote:
> On Mon, Oct 02, 2017 at 06:27:20PM +0200, Cédric Le Goater wrote:
>> On 09/23/2017 10:26 AM, Cédric Le Goater wrote:
>>> Hi,
>>>
>>> Here are a couple of small fixes to support CPU hot unplug. There are
>>> still some issues to be investigated as, in so
On Mon, Oct 02, 2017 at 06:27:20PM +0200, Cédric Le Goater wrote:
> On 09/23/2017 10:26 AM, Cédric Le Goater wrote:
> > Hi,
> >
> > Here are a couple of small fixes to support CPU hot unplug. There are
> > still some issues to be investigated as, in some occasions, after a
> > couple of plug and u
On 10/02/2017 06:52 PM, Benjamin Herrenschmidt wrote:
> On Mon, 2017-10-02 at 18:27 +0200, Cédric Le Goater wrote:
>> On 09/23/2017 10:26 AM, Cédric Le Goater wrote:
>>> Hi,
>>>
>>> Here are a couple of small fixes to support CPU hot unplug. There are
>>> still some issues to be investigated as, in
On Mon, 2017-10-02 at 18:27 +0200, Cédric Le Goater wrote:
> On 09/23/2017 10:26 AM, Cédric Le Goater wrote:
> > Hi,
> >
> > Here are a couple of small fixes to support CPU hot unplug. There are
> > still some issues to be investigated as, in some occasions, after a
> > couple of plug and unplug,
On 09/23/2017 10:26 AM, Cédric Le Goater wrote:
> Hi,
>
> Here are a couple of small fixes to support CPU hot unplug. There are
> still some issues to be investigated as, in some occasions, after a
> couple of plug and unplug, the cpu which was removed receives a 'lost'
> interrupt. This showed to
Hi,
Here are a couple of small fixes to support CPU hot unplug. There are
still some issues to be investigated as, in some occasions, after a
couple of plug and unplug, the cpu which was removed receives a 'lost'
interrupt. This showed to be the decrementer under QEMU.
Nevertheless, these patches
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