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2bfef69d9e
linux/arch/x86
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Andreas Herrmann 2bfef69d9e x86: SB600: skip IRQ0 override if it is not routed to INT2 of IOAPIC 
Impact: fix hung bootup and other misbehavior on certain laptops

On some more HP laptops BIOS reports an IRQ0 override
but the SB600 chipset is configured such that timer
interrupts go to INT0 of IOAPIC.

Check IRQ0 routing and if it is routed to INT0 of IOAPIC skip the
timer override.

See following bug reports:

  http://bugzilla.kernel.org/show_bug.cgi?id=11715
  http://bugzilla.kernel.org/show_bug.cgi?id=11516

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-22 12:00:10 +02:00
..
boot x86: make variables static 2008-10-22 07:31:28 +02:00
configs x86: remove irqbalance in kernel for 32 bit 2008-10-16 16:52:52 +02:00
crypto crypto: crc32c - Use Intel CRC32 instruction 2008-08-29 15:49:50 +10:00
ia32 compat: generic compat get/settimeofday 2008-10-16 11:21:33 -07:00
kernel x86: SB600: skip IRQ0 override if it is not routed to INT2 of IOAPIC 2008-10-22 12:00:10 +02:00
kvm Merge branch 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm 2008-10-16 15:36:00 -07:00
lguest x86: make 32bit support per_cpu vector 2008-10-16 16:52:53 +02:00
lib Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D 2008-10-11 20:23:20 +02:00
mach-default Merge branches 'x86/prototypes', 'x86/x2apic' and 'x86/debug' into x86/core 2008-08-14 14:58:22 +02:00
mach-generic x86: make 32bit support per_cpu vector 2008-10-16 16:52:53 +02:00
mach-rdc321x removed unused #include <linux/version.h>'s 2008-08-23 12:14:12 -07:00
mach-voyager generic: sparse irqs: use irq_desc() together with dyn_array, instead of irq_desc[] 2008-10-16 16:52:29 +02:00
math-emu
mm Merge branch 'tracing-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-10-20 13:35:07 -07:00
oprofile Merge branch 'linus' into oprofile-v2 2008-10-13 11:05:51 +02:00
pci x86/PCI: irq and pci_ids patch for Intel Ibex Peak DeviceIDs 2008-10-20 10:53:48 -07:00
power Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D 2008-10-11 20:23:20 +02:00
vdso Merge branches 'x86/urgent', 'x86/amd-iommu', 'x86/apic', 'x86/cleanups', 'x86/core', 'x86/cpu', 'x86/fixmap', 'x86/gart', 'x86/kprobes', 'x86/memtest', 'x86/modules', 'x86/nmi', 'x86/pat', 'x86/reboot', 'x86/setup', 'x86/step', 'x86/unify-pci', 'x86/uv', 'x86/xen' and 'xen-64bit' into x86/for-linus 2008-07-21 16:37:17 +02:00
video
xen Merge branch 'genirq-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-10-20 13:23:01 -07:00
Kconfig Merge branch 'tracing-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-10-20 13:35:07 -07:00
Kconfig.cpu x86: adjust dependencies for CONFIG_X86_CMOV 2008-10-13 10:33:50 +02:00
Kconfig.debug x86: usb debug port early console, fix 2008-07-26 17:32:30 +02:00
Makefile x86, RDC321x: add to mach-default 2008-07-26 13:51:46 +02:00
Makefile_32.cpu x86: merge winchip-2 and winchip-2a cpu choices 2008-10-13 10:22:48 +02:00