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

    * 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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