On Thu, 15 Oct 2015, Ian Campbell wrote:
> On Thu, 2015-10-15 at 00:23 +0100, Julien Grall wrote:
> > My second point is related to how Xen is handling interrupt with vCPU.
> > When PSCI off is called, we will set the _VFP_down flag. This flag is
> > used in vgic_vcpu_inject_irq and when it's set
On Thu, 15 Oct 2015, Julien Grall wrote:
> On 14/10/2015 18:49, Stefano Stabellini wrote:
> > Hi all,
>
> Hi Stefano,
>
> > this small patch series enable cpu_hotplug in ARM and ARM64 guests,
> > using the PV path to plug and unplug the cpus and psci to enable/disable
> > them.
>
> That's a cool
On 16/10/15 16:41, Stefano Stabellini wrote:
> It is possible to shut down cpu1 (psci->cpu_off, which pauses the vcpu)
> but it is not possible to remove cpu1 without removing cpu2 first.
>
> If the user configures the target to be cpu 2-4, then shuts down cpu2, it
> won't receive any interrupts a
On Thu, 15 Oct 2015, Julien Grall wrote:
> Hi Ian,
>
> On 15/10/15 09:39, Ian Campbell wrote:
> > On Thu, 2015-10-15 at 00:23 +0100, Julien Grall wrote:
> >> My second point is related to how Xen is handling interrupt with vCPU.
> >> When PSCI off is called, we will set the _VFP_down flag. This fla
On 15/10/15 10:57, Julien Grall wrote:
> Hi Ian,
>
> On 15/10/15 09:39, Ian Campbell wrote:
>> On Thu, 2015-10-15 at 00:23 +0100, Julien Grall wrote:
>>> My second point is related to how Xen is handling interrupt with vCPU.
>>> When PSCI off is called, we will set the _VFP_down flag. This flag i
Hi Ian,
On 15/10/15 09:39, Ian Campbell wrote:
> On Thu, 2015-10-15 at 00:23 +0100, Julien Grall wrote:
>> My second point is related to how Xen is handling interrupt with vCPU.
>> When PSCI off is called, we will set the _VFP_down flag. This flag is
>> used in vgic_vcpu_inject_irq and when it's
On Thu, 2015-10-15 at 00:23 +0100, Julien Grall wrote:
> My second point is related to how Xen is handling interrupt with vCPU.
> When PSCI off is called, we will set the _VFP_down flag. This flag is
> used in vgic_vcpu_inject_irq and when it's set the interrupt will be
> ignored and stay active
On 14/10/2015 18:49, Stefano Stabellini wrote:
Hi all,
Hi Stefano,
this small patch series enable cpu_hotplug in ARM and ARM64 guests,
using the PV path to plug and unplug the cpus and psci to enable/disable
them.
That's a cool things to have on ARM!
I've got few questions related to CPU h
Hi all,
this small patch series enable cpu_hotplug in ARM and ARM64 guests,
using the PV path to plug and unplug the cpus and psci to enable/disable
them.
Stefano Stabellini (3):
xen/arm: Enable cpu_hotplug.c
xen, cpu_hotplug: call device_offline instead of cpu_down
xen/arm: do