xen-devel
Re: [Xen-devel] [PATCH 13/14] xen: events: do not workaround too-small n
On Wed, Mar 09, 2011 at 05:41:25PM +0000, Ian Campbell wrote:
> This workaround was somewhat useful prior to the introduction of the
> core irq allocator and 026c9d2d0d75 "xen: events: allocate GSIs and
> dynamic IRQs from separate IRQ ranges." but should be unnecessary now.
OK, so you tested this under QEMU with Xen + Dom0? A simple one CPU
config was what we had trouble with.
>
> If nr_irqs turns out to be too small under Xen then we should increase
> nr_irqs rather than working around the core allocator in this way.
>
> In my configuration NR_IRQS ends up being 2304 with nr_irq_gsi 272
> which is sufficient.
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- [Xen-devel] [PATCH 09/14] xen: events: push setup of irq<->{evtchn, ipi, virq, pirq} maps into irq_info init functions, (continued)
- [Xen-devel] [PATCH 09/14] xen: events: push setup of irq<->{evtchn, ipi, virq, pirq} maps into irq_info init functions , Ian Campbell
- [Xen-devel] [PATCH 10/14] xen: events: maintain a list of Xen interrupts , Ian Campbell
- [Xen-devel] [PATCH 11/14] xen: events: dynamically allocate irq info structures , Ian Campbell
- [Xen-devel] [PATCH 13/14] xen: events: do not workaround too-small nr_irqs , Ian Campbell
- Re: [Xen-devel] [PATCH 13/14] xen: events: do not workaround too-small nr_irqs,
Konrad Rzeszutek Wilk <=
- [Xen-devel] [PATCH 12/14] xen: events: remove use of nr_irqs as upper bound on number of pirqs , Ian Campbell
- [Xen-devel] [PATCH 14/14] xen: events: propagate irq allocation failure instead of panicking , Ian Campbell
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