Venki Pallipadi d54bd57d65 x86: HPET force enable o ICH7 and later ...

Force detect and/or enable HPET on ICH chipsets.  This patch just handles the
detection part and following patches use this information.  Adds a function to
repeat the force enabling during resume time.

Using HPET this way, instead of PIT increases the time CPUs can reside in
C-state when system is totally idle.  On my test system with Core 2 Duo,
average C-state residency goes up from ~20mS to ~80mS.

[ Build fixed from Andrew Morton ]

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Andi Kleen <ak@suse.de>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2007-10-12 23:04:23 +02:00

..

acpi

Merge branch 'dmi-const' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6

2007-10-11 19:18:45 -07:00

cpu

Merge branch 'dmi-const' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6

2007-10-11 19:18:45 -07:00

cpufreq

x86_64: move kernel/cpufreq

2007-10-11 11:17:06 +02:00

.gitignore

i386: move kernel

2007-10-11 11:17:01 +02:00

alternative.c

i386: move kernel

2007-10-11 11:17:01 +02:00

aperture_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

apic_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

apic_64.c

x86_64: cleanup apic.c after clock events switch

2007-10-12 23:04:23 +02:00

apm_32.c

Merge branch 'dmi-const' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6

2007-10-11 19:18:45 -07:00

asm-offsets_32.c

i386: move kernel

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asm-offsets_64.c

x86_64: move kernel

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asm-offsets.c

i386: move kernel

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audit_64.c

x86_64: move kernel

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bootflag.c

i386: move kernel

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bugs_64.c

x86_64: move kernel

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cpuid.c

i386: move kernel

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crash_32.c

i386: move kernel

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crash_64.c

x86_64: move kernel

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crash_dump_32.c

i386: move kernel

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crash_dump_64.c

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doublefault_32.c

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e820_32.c

i386: move kernel

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e820_64.c

x86_64: move kernel

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early_printk.c

x86_64: move kernel

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early-quirks_64.c

x86_64: move kernel

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efi_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

efi_stub_32.S

i386: move kernel

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entry_32.S

i386: move kernel

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entry_64.S

x86_64: move kernel

2007-10-11 11:17:24 +02:00

genapic_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

genapic_flat_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

geode_32.c

x86: Geode Multi-Function General Purpose Timers support

2007-10-12 23:04:06 +02:00

head64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

head_32.S

i386: move kernel

2007-10-11 11:17:01 +02:00

head_64.S

x86_64: move kernel

2007-10-11 11:17:24 +02:00

hpet.c

x86: HPET restructure hpet code for hpet force enable

2007-10-12 23:04:23 +02:00

i386_ksyms_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

i387_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

i387_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

i8237.c

i386: move kernel

2007-10-11 11:17:01 +02:00

i8253.c

x86_64: remove now unused code

2007-10-12 23:04:23 +02:00

i8259_32.c

x86: kill 8253pit.h

2007-10-12 23:04:23 +02:00

i8259_64.c

x86_64: convert to clock events

2007-10-12 23:04:07 +02:00

init_task_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

init_task_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

io_apic_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

io_apic_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

ioport_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

ioport_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

irq_32.c

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

2007-10-11 19:40:14 -07:00

irq_64.c

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

2007-10-11 19:40:14 -07:00

k8.c

x86_64: move kernel

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kprobes_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

kprobes_64.c

x86_64: move kernel

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ldt_32.c

i386: move kernel

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ldt_64.c

x86_64: move kernel

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machine_kexec_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

machine_kexec_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

Makefile

x86_64: move kernel

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Makefile_32

x86_64: remove now unused code

2007-10-12 23:04:23 +02:00

Makefile_64

x86_64: remove now unused code

2007-10-12 23:04:23 +02:00

mca_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

mce_64.c

x86_64: move kernel

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mce_amd_64.c

x86_64: move kernel

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mce_intel_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

mfgpt_32.c

x86: Geode MFGPT clock event device support

2007-10-12 23:04:06 +02:00

microcode.c

i386: move kernel

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module_32.c

i386: move kernel

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module_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

mpparse_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

mpparse_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

msr.c

i386: move kernel

2007-10-11 11:17:01 +02:00

nmi_32.c

x86: Fix irq0 / local apic timer accounting

2007-10-12 23:04:06 +02:00

nmi_64.c

x86: Fix irq0 / local apic timer accounting

2007-10-12 23:04:07 +02:00

numaq_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

paravirt_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

pci-calgary_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

pci-dma_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

pci-dma_64.c

x86_64: move kernel

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pci-gart_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

pci-nommu_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

pci-swiotlb_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

pcspeaker.c

i386: move kernel

2007-10-11 11:17:01 +02:00

pmtimer_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

process_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

process_64.c

x86_64: prepare idle loop for dynamic ticks

2007-10-12 23:04:07 +02:00

ptrace_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

ptrace_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

quirks.c

x86: HPET force enable o ICH7 and later

2007-10-12 23:04:23 +02:00

reboot_32.c

Merge branch 'dmi-const' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6

2007-10-11 19:18:45 -07:00

reboot_64.c

x86_64: move kernel

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reboot_fixups_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

relocate_kernel_32.S

i386: move kernel

2007-10-11 11:17:01 +02:00

relocate_kernel_64.S

x86_64: move kernel

2007-10-11 11:17:24 +02:00

scx200_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

setup64.c

x86_64: move kernel

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setup_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

setup_64.c

x86: disable apic timer for AMD C1E enabled CPUs

2007-10-12 23:04:07 +02:00

sigframe_32.h

i386: move kernel

2007-10-11 11:17:01 +02:00

signal_32.c

i386: move kernel

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signal_64.c

x86_64: move kernel

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smp_32.c

i386: move kernel

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smp_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

smpboot_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

smpboot_64.c

x86_64: convert to clock events

2007-10-12 23:04:07 +02:00

smpcommon_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

srat_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

stacktrace.c

x86_64: move kernel

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summit_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

suspend_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

suspend_asm_64.S

x86_64: move kernel

2007-10-11 11:17:24 +02:00

sys_i386_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

sys_x86_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

syscall_64.c

i386/x86_64: move headers to include/asm-x86

2007-10-11 11:20:03 +02:00

syscall_table_32.S

i386: move kernel

2007-10-11 11:17:01 +02:00

sysenter_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

tce_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

time_32.c

x86: Fix irq0 / local apic timer accounting

2007-10-12 23:04:06 +02:00

time_64.c

x86_64: remove now unused code

2007-10-12 23:04:23 +02:00

topology.c

i386: move kernel

2007-10-11 11:17:01 +02:00

trampoline_32.S

i386: move kernel

2007-10-11 11:17:01 +02:00

trampoline_64.S

x86_64: move kernel

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traps_32.c

i386: move kernel

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traps_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

tsc_32.c

Merge branch 'dmi-const' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6

2007-10-11 19:18:45 -07:00

tsc_64.c

x86: unify timex.h variants

2007-10-12 23:04:23 +02:00

tsc_sync.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00

verify_cpu_64.S

x86_64: move kernel

2007-10-11 11:17:24 +02:00

vm86_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

vmi_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

vmiclock_32.c

i386: move kernel

2007-10-11 11:17:01 +02:00

vmlinux_32.lds.S

i386: move kernel

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vmlinux_64.lds.S

x86_64: move kernel

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vmlinux.lds.S

i386: move kernel

2007-10-11 11:17:01 +02:00

vsmp_64.c

x86_64: move kernel

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vsyscall_32.lds.S

i386: move kernel

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vsyscall_32.S

i386: move kernel

2007-10-11 11:17:01 +02:00

vsyscall_64.c

x86_64: move kernel

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vsyscall-int80_32.S

i386: move kernel

2007-10-11 11:17:01 +02:00

vsyscall-note_32.S

i386: move kernel

2007-10-11 11:17:01 +02:00

vsyscall-sigreturn_32.S

i386: move kernel

2007-10-11 11:17:01 +02:00

vsyscall-sysenter_32.S

i386: move kernel

2007-10-11 11:17:01 +02:00

x8664_ksyms_64.c

x86_64: move kernel

2007-10-11 11:17:24 +02:00