On Wed, 2016-12-14 at 11:41 +1100, Balbir Singh wrote:
> I was planning to skipping other IRQ chips for now and support just
> XICS/XIVE with BOOK3S and PPC64. But we can discuss this.
Well you still need to make sure you don't do your lazy stuff on
them and actually mask EE.
> > That's why I men
On 14/12/16 02:27, Benjamin Herrenschmidt wrote:
> On Tue, 2016-12-13 at 16:36 +1100, Balbir Singh wrote:
>> Yep, although the code works for PPC_XICS only which is good for now.
>> When we do XIVE, we can add more bits
>
> We may want to do XIVE differently, dunno. On XIVE we can just poke the
On Tue, 2016-12-13 at 16:36 +1100, Balbir Singh wrote:
> Yep, although the code works for PPC_XICS only which is good for now.
> When we do XIVE, we can add more bits
We may want to do XIVE differently, dunno. On XIVE we can just poke the
processor priority with a single MMIO store, so we don't ac
On Tue, 2016-12-13 at 14:28 +1100, Balbir Singh wrote:
> > Also note that there's already a PACA field to "recover" an
> > interrupt
> > snatched by KVM, though it's XICS specific, while your approach is
> > more
> > generic, you may want to merge the two. Talk to Paulus.
> >
>
> That is specific
On Tue, 13 Dec 2016 16:36:11 +1100
Balbir Singh wrote:
> On Mon, 2016-12-12 at 23:31 +1000, Nicholas Piggin wrote:
> > On Mon, 12 Dec 2016 20:50:03 +1100
> > Balbir Singh wrote:
> >
> > > This patch removes the disabling of interrupts
> > > in soft-disable mode, when interrupts are received
>
On Mon, 2016-12-12 at 23:31 +1000, Nicholas Piggin wrote:
> On Mon, 12 Dec 2016 20:50:03 +1100
> Balbir Singh wrote:
>
> > This patch removes the disabling of interrupts
> > in soft-disable mode, when interrupts are received
> > (in lazy mode). The new scheme keeps the interrupts
> > enabled when
On Mon, 2016-12-12 at 09:24 -0600, Benjamin Herrenschmidt wrote:
> On Mon, 2016-12-12 at 23:31 +1000, Nicholas Piggin wrote:
> > Otherwise, this looks nice if it does the right thing with the
> > interrupt
> > controller. It hasn't taken a lot of lines to implement which is
> > very
> > cool.
>
>
On Mon, 2016-12-12 at 23:31 +1000, Nicholas Piggin wrote:
> Otherwise, this looks nice if it does the right thing with the interrupt
> controller. It hasn't taken a lot of lines to implement which is very
> cool.
We might want to be a bit careful. It will work with XICS fine, but it
might be trick
On Mon, 12 Dec 2016 20:50:03 +1100
Balbir Singh wrote:
> This patch removes the disabling of interrupts
> in soft-disable mode, when interrupts are received
> (in lazy mode). The new scheme keeps the interrupts
> enabled when we receive an interrupt and does the
> following
>
> a. On decrementer
This patch removes the disabling of interrupts
in soft-disable mode, when interrupts are received
(in lazy mode). The new scheme keeps the interrupts
enabled when we receive an interrupt and does the
following
a. On decrementer interrupt, instead of setting
dec to maximum and returning, we do the
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