Re: [GIT PULL] x86/xen: Use xen-specific path for interruptdelivery

From: Ingo Molnar
Date: Mon Feb 09 2009 - 06:19:25 EST



* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

> Rather than mapping event channels to vectors and then using the
> vector->irq mapping for interrupt delivery, just cut out the middleman
> and directly map event channels to irqs. This allows for some more
> cleanups in the event handling code.
>
> The following changes since commit 637f52a7cc5b3ae22354b7e45397375a17d626af:
> Jeremy Fitzhardinge (1):
> x86: unify do_IRQ()
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git jsgf/xen/irq
>
> Jeremy Fitzhardinge (5):
> xen: set irq_chip disable
> xen: use our own eventchannel->irq path
> xen: pack all irq-related info together
> xen: remove irq bindcount
> xen: make sure that softirqs get handled at the end of event processing
>
> arch/x86/include/asm/xen/events.h | 6 -
> arch/x86/xen/irq.c | 17 +---
> drivers/xen/events.c | 224 +++++++++++++++++++++++++------------
> 3 files changed, 155 insertions(+), 92 deletions(-)

Ok, never mind my comment on the do_IRQ() detail, this looks good after all,
you just consolidated what is there already in essence.

Pulled into tip/x86/apic [which had dependencies here], thanks Jeremy!

Btw., please remove leftover bits like:

+ //printk("cpu %d handling irq %d\n", smp_processor_id(), info->irq);


Ingo
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