On 18.01.23 13:22, David Woodhouse wrote:
From: David Woodhouse
When we don't use the per-CPU vector callback, we ask Xen to deliver event
channel interrupts as INTx on the PCI platform device. As such, it can be
shared with INTx on other PCI devices.
Set IRQF_SHARED, and make it return
On 18.01.23 13:22, David Woodhouse wrote:
From: David Woodhouse
When we don't use the per-CPU vector callback, we ask Xen to deliver event
channel interrupts as INTx on the PCI platform device. As such, it can be
shared with INTx on other PCI devices.
Set IRQF_SHARED, and make it return
On Wed, 2023-01-18 at 14:39 +, Andrew Cooper wrote:
> On 18/01/2023 2:26 pm, David Woodhouse wrote:?
> > > There is no actual thing called PVHVM. That diagram has caused far more
> > > damage than good...
> > >
> > > There's HVM (and by this, I mean the hypervisor's interpretation meaning
> >
On 18/01/2023 2:26 pm, David Woodhouse wrote:
> On Wed, 2023-01-18 at 14:22 +, Andrew Cooper wrote:
>> On 18/01/2023 2:06 pm, David Woodhouse wrote:
>>> On Wed, 2023-01-18 at 13:53 +, Andrew Cooper wrote:
On 18/01/2023 12:22 pm, David Woodhouse wrote:
> Signed-off-by: David
On Wed, 2023-01-18 at 14:22 +, Andrew Cooper wrote:
> On 18/01/2023 2:06 pm, David Woodhouse wrote:
> > On Wed, 2023-01-18 at 13:53 +, Andrew Cooper wrote:
> > > On 18/01/2023 12:22 pm, David Woodhouse wrote:
> > > > Signed-off-by: David Woodhouse
> > > > ---
> > > > What does
On 18/01/2023 2:06 pm, David Woodhouse wrote:
> On Wed, 2023-01-18 at 13:53 +, Andrew Cooper wrote:
>> On 18/01/2023 12:22 pm, David Woodhouse wrote:
>>> Signed-off-by: David Woodhouse
>>> ---
>>> What does xen_evtchn_do_upcall() exist for? Can we delete it? I don't
>>> see it being called
On Wed, 2023-01-18 at 13:53 +, Andrew Cooper wrote:
> On 18/01/2023 12:22 pm, David Woodhouse wrote:
> > Signed-off-by: David Woodhouse
> > ---
> > What does xen_evtchn_do_upcall() exist for? Can we delete it? I don't
> > see it being called anywhere.
>
> Seems the caller was dropped by
>
On 18/01/2023 12:22 pm, David Woodhouse wrote:
> Signed-off-by: David Woodhouse
> ---
> What does xen_evtchn_do_upcall() exist for? Can we delete it? I don't
> see it being called anywhere.
Seems the caller was dropped by
cb09ea2924cbf1a42da59bd30a59cc1836240bcb, but the CONFIG_PVHVM looks
bogus
From: David Woodhouse
When we don't use the per-CPU vector callback, we ask Xen to deliver event
channel interrupts as INTx on the PCI platform device. As such, it can be
shared with INTx on other PCI devices.
Set IRQF_SHARED, and make it return IRQ_HANDLED or IRQ_NONE according to
whether the
