Messages in this thread | | | Date | Mon, 6 Oct 2008 23:51:27 -0400 | From | Dmitry Torokhov <> | Subject | Re: [PATCH] x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC |
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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
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