[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20071204163946.63ac73ce.akpm@linux-foundation.org>
Date: Tue, 4 Dec 2007 16:39:46 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Ingo Molnar <mingo@...e.hu>
Cc: lenb@...nel.org, ebiederm@...ssion.com, protasnb@...il.com,
ak@...e.de, tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i386 IOAPIC: de-fang IRQ compression
On Tue, 4 Dec 2007 13:26:49 +0100
Ingo Molnar <mingo@...e.hu> wrote:
> * Len Brown <lenb@...nel.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@...el.com>
>
> thanks for the patch and the extensive description. I've applied this to
> x86.git.
Len applied it to his tree too.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists