Re: [patch 00/47] Sparse irq rework

From: Thomas Gleixner
Date: Fri Oct 08 2010 - 17:54:35 EST


On Fri, 8 Oct 2010, Thomas Gleixner wrote:

> On Wed, 6 Oct 2010, Yinghai Lu wrote:
> > On 10/06/2010 09:01 PM, Thomas Gleixner wrote:
> > > Well, I'm not too happy about this preallocated stuff anyway, which is
> > > the reason for the warning below.
> > >
> > >> [ 80.726176] WARNING: at drivers/pci/intr_remapping.c:67 irq_2_iommu_alloc+0x52/0xdc()
> > >> [ 80.745935] Hardware name: Sun Fire X4800
> > >> [ 80.746179] irq_2_iommu!=NULL irq 8
> > >
> >
> > no, irq_2_iommu are all dynamically allocated even for irq < 16.
>
> I know. I was talking about the preallocated irq descriptors and the
> handling of it in general.
>
> Nevertheless, that irq_2_iommu stuff does not need it's own allocation
> function. It's bound to a specific irq_cfg anyway, so the next logical
> step is to move irq_2_iommu into struct irq_cfg and get rid of the
> extra allocation/free in intr_remapping.c.

Forgot to say, that I updated the git tree with all the fallout
fixes.

git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-sparse-irq.git master

Can you please retest ?

Thanks,

tglx
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