Subject: Re: default IRQ affinity change in v2.6.27 (breaking several SMP PPC based systems)

From: Scott Wood <[email-masked]>
Date: Fri, 24 Oct 2008 12:39:58 -0500

Kumar Gala wrote:
> So why not just have x86 startup code set irq_default_affinity = 
> CPU_MASK_ALL than?

That doesn't really solve the problem, as a user could still manually 
set an invalid affinity.  The MPIC driver should reduce the affinity 
itself to what the hardware can handle.

-Scott