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

[Ingo Molnar <mingo@elte.hu>]

* Andrew Morton <akpm@linux-foundation.org> wrote:

> 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.

Len, i think this belongs into x86.git a bit more (especially with the 
unification activities going on all around the tree) - do you agree? 
Andrew, i'd suggest to apply a reverted patch to between git.acpi and 
git.x86 until this gets sorted out.

	Ingo