Messages in this thread | | | Date | Wed, 5 Dec 2007 10:48:38 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] i386 IOAPIC: de-fang IRQ compression |
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* 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
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