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linux-next/arch/i386
Rafa³ Bilski 48b7bde0f6 [CPUFREQ] Longhaul - Workaround issues with APIC.
There is no need to worry about local APIC.
There is need to worry about I/O APIC, because I/O APIC
is replacing good old 8259. According to Nehemiah datasheet VIA is
using 3-wire bus to connect local APIC to I/O APIC.

"[...] When IA32_APIC_BASE[11] is set to 0, processor APICs based on the 3-wire APIC
 bus cannot be generally re-enabled until a system hardware reset. The 3-wire bus
 looses track of arbitration that would be necessary for complete re-enabling. Certain
 (local) APIC functionality can be enabled. [...]"

So we must set disable bit for each interrupt in I/O APIC registers.
Same situation as for PIC - we must poke registers direcly.
How to do this? I don't know. So at the moment it is better to fail.

Signed-off-by: Rafa³ Bilski <rafalbilski@interia.pl>
Signed-off-by: Dave Jones <davej@redhat.com>
2006-07-31 18:37:05 -04:00
..
boot kbuild: introduce utsrelease.h 2006-07-03 23:30:54 +02:00
crypto [CRYPTO] aes: Add wrappers for assembly routines 2006-06-26 17:34:42 +10:00
kernel [CPUFREQ] Longhaul - Workaround issues with APIC. 2006-07-31 18:37:05 -04:00
lib [PATCH] i386: remove redundant might_sleep() in user accessors. 2006-07-14 21:53:52 -07:00
mach-default [PATCH] irq-flags: i386: Use the new IRQF_ constants 2006-07-02 13:58:47 -07:00
mach-es7000 [PATCH] Compilation fix for ES7000 when no ACPI is specified in config (i386) 2006-03-23 07:38:04 -08:00
mach-generic Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
mach-visws [PATCH] irq-flags: i386: Use the new IRQF_ constants 2006-07-02 13:58:47 -07:00
mach-voyager [PATCH] irq-flags: i386: Use the new IRQF_ constants 2006-07-02 13:58:47 -07:00
math-emu [PATCH] i386: inline assembler: cleanup and encapsulate descriptor and task register management 2005-09-05 00:06:11 -07:00
mm [PATCH] add __[start|end]_rodata sections to asm-generic/sections.h 2006-07-01 09:56:03 -07:00
oprofile [PATCH] x86_64: Allow oprofile for model P4 models 2006-07-10 15:12:33 -07:00
pci [PATCH] PCI: poper prototype for arch/i386/pci/pcbios.c:pcibios_sort() 2006-07-12 16:05:48 -07:00
power Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
defconfig [PATCH] i386 defconfig: set CONFIG_PM_STD_PARTITION="" 2006-07-10 13:24:22 -07:00
Kconfig [PATCH] i386: fix CONFIG_EFI help 2006-07-31 13:28:38 -07:00
Kconfig.cpu i386: Trivial typo fixes 2006-06-26 18:47:15 +02:00
Kconfig.debug [PATCH] lockdep: irqtrace subsystem, i386 support 2006-07-03 15:27:03 -07:00
Makefile [PATCH] x86: "make isoimage" support; FDINITRD= support; minor cleanups 2006-03-26 08:56:53 -08:00
Makefile.cpu [PATCH] x86-64: Use -mtune=generic for generic kernels 2006-03-25 09:10:52 -08:00