Messages in this thread | | | Date | Tue, 7 Oct 2008 05:41:32 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC |
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* 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.
Ingo
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