Re: [PATCH] i386 IOAPIC: de-fang IRQ compression

[Andrew Morton <akpm@linux-foundation.org>]

On Tue, 4 Dec 2007 13:26:49 +0100
Ingo Molnar <mingo@elte.hu> wrote:

> * Len Brown <lenb@kernel.org> wrote:
> 
> >     So while the irq compression code on i386 should really
> >     be deleted -- even before merging the x86_64 irq-overhaul,
> >     this patch simply disables it on all high volume systems
> >     to avoid problems #1 and #2 on most all i386 systems.
> >     
> >     A large system with pin numbers >=64 will still have compression
> >     to conserve limited IRQ numbers for sparse IOAPICS.  However,
> >     the vast majority of the planet, those with only pin numbers < 64
> >     will use an identity GSI -> IRQ mapping.
> >     
> >     Signed-off-by: Len Brown <len.brown@intel.com>
> 
> thanks for the patch and the extensive description. I've applied this to 
> x86.git.

Len applied it to his tree too.