Re: [PATCH] x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Tue, Oct 07, 2008 at 05:41:32AM +0200, Ingo Molnar wrote:
> 
> * Andreas Herrmann <andreas.herrmann3@amd.com> wrote:
> 
> > So, let's work around BIOS bugs in Linux then ...
> > 
> > Following patch is almost untested -- especially I didn't get my hands 
> > on one of the HP Laptops with broken DSDT.
> [...]
> > On some HP nx6... laptops (e.g. nx6325) BIOS reports an IRQ0 override 
> > but the SB450 chipset is configured such that timer interrupts goe to 
> > INT0 of IOAPIC.
> > 
> > Check IRQ0 routing and if it is routed to INT0 of IOAPIC skip the 
> > timer override.
> > 
> > Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
> >
> > ---
> >  arch/x86/kernel/early-quirks.c |   48 ++++++++++++++++++++++++++++++++++++++++
> >  1 files changed, 48 insertions(+), 0 deletions(-)
> 
> very nice, thanks Andreas! Applied to tip/x86/quirks. This PCI ID based 
> quirk should be more complete than DMI matches.
> 

You may add 'Tested by: Dmitry Torokhov <dtor@mail.ru> on nx6115'
It works fine here with Andreas patch applied and with Rafael's patch
dropped.

Thanks Andreas!

-- 
Dmitry