Re: [RFC][2.6.13-rc3-mm1] IRQ compression/sharing patch

2005-07-27 Thread James Cleverdon
On Tuesday 26 July 2005 09:03 am, Andi Kleen wrote: > On Tue, Jul 26, 2005 at 12:12:41AM -0700, James Cleverdon wrote: > > Here's a patch that builds on Natalie Protasevich's IRQ compression > > patch and tries to work for MPS boots as well as ACPI. It is meant > > for a 4-node IBM x460 NUMA box,

Re: [RFC][2.6.13-rc3-mm1] IRQ compression/sharing patch

2005-07-26 Thread Andi Kleen
On Tue, Jul 26, 2005 at 12:12:41AM -0700, James Cleverdon wrote: > Here's a patch that builds on Natalie Protasevich's IRQ compression > patch and tries to work for MPS boots as well as ACPI. It is meant for > a 4-node IBM x460 NUMA box, which was dying because it had interrupt > pins with GSI

[RFC][2.6.13-rc3-mm1] IRQ compression/sharing patch

2005-07-26 Thread James Cleverdon
Here's a patch that builds on Natalie Protasevich's IRQ compression patch and tries to work for MPS boots as well as ACPI. It is meant for a 4-node IBM x460 NUMA box, which was dying because it had interrupt pins with GSI numbers > NR_IRQS and thus overflowed irq_desc. The problem is that this