Re: [Adeos-main] [git pull] Updates for ipipe-2.6.36-noarch

[Philippe Gerum <rpm@xenomai.org>]

On Tue, 2011-01-18 at 18:22 +0100, Jan Kiszka wrote:
> On 2011-01-18 18:13, Philippe Gerum wrote:
> > On Thu, 2010-11-25 at 17:33 +0100, Jan Kiszka wrote:
> >> The following changes since commit 4c83ab8e3ac5b194695e38bbc253f78e6072ad24:
> >>
> >>   ipipe: tell __ipipe_run_irqtail about the latest IRQ number (2010-11-05 13:52:55 +0100)
> >>
> >> are available in the git repository at:
> >>   git://git.kiszka.org/ipipe-2.6 queues/2.6.35-noarch
> >>
> >> [edited log]
> >> Jan Kiszka (4):
> >>       ipipe: Provide wrapper for IRQ mask/unmask at chip level
> > 
> > Could you give me some hints about the intended usage of these?
> 
> The idea was (and still is but effort stalled ATM) to emulate MSI
> masking on top of that.

Ok, let's keep this on the shelf until we come with a complete solution.
I suspect we will have to resync the Xenomai and I-pipe interfaces to
this end.

> 
> > 
> >>       ipipe: Drop spurious irq_enter/exit from __ipipe_sync_stage
> > 
> > Actually, what is wrong is not with irq_enter/exit, but rather with the
> > fact that we should only attempt a preemption resched when a virq
> > handler returns, and that is a generic operation. There is no point in
> > having uselessly hairy code in the arch-dep section, and that code is
> > pure nop with CONFIG_PREEMPT off.
> > 
> > I just merged something along these lines.
> 
> OK, will have a look.
> 
> > 
> >>       ipipe: Provide __ipipe_spin_trylock_irq for !CONFIG_IPIPE
> >>       Merge commit 'v2.6.35.9' into queues/2.6.35-noarch
> >>
> >> Will follow up with the ipipe specific patches for review.
> > 
> > I'll be merging the IRQ virtualization removal for x86_32 next, but I
> > want to issue an intermediate patch with the pending fixes first, given
> > the potential for regression there is when messing with entry.S.
> > However, I'll merge the EFLAGS fixes early on, since they are obviously
> > required and right, and merge them along with 2.8-03 asap.
> > 
> 
> Fine with me.
> 
> Thanks,
> Jan
> 

-- 
Philippe.