Venkatesh Pallipadi 991528d734 ACPI: Processor native C-states using MWAIT ... Intel processors starting with the Core Duo support support processor native C-state using the MWAIT instruction. Refer: Intel Architecture Software Developer's Manual http://www.intel.com/design/Pentium4/manuals/253668.htm Platform firmware exports the support for Native C-state to OS using ACPI _PDC and _CST methods. Refer: Intel Processor Vendor-Specific ACPI: Interface Specification http://www.intel.com/technology/iapc/acpi/downloads/302223.htm With Processor Native C-state, we use 'MWAIT' instruction on the processor to enter different C-states (C1, C2, C3). We won't use the special IO ports to enter C-state and no SMM mode etc required to enter C-state. Overall this will mean better C-state support. One major advantage of using MWAIT for all C-states is, with this and "treat interrupt as break event" feature of MWAIT, we can now get accurate timing for the time spent in C1, C2, .. states. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Len Brown <len.brown@intel.com>		2006-10-14 00:35:39 -04:00
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boot.c	[PATCH] genirq: x86_64 irq: Kill gsi_irq_sharing	2006-10-04 07:55:29 -07:00
cstate.c	ACPI: Processor native C-states using MWAIT	2006-10-14 00:35:39 -04:00
earlyquirk.c	[PATCH] x86: Allow disabling early pci scans with pci=noearly or disallowing conf1	2006-09-26 10:52:41 +02:00
Makefile	[PATCH] i386/x86-64: Make all early PCI scans dependent on CONFIG_PCI	2006-09-26 10:52:41 +02:00
processor.c	Enable P-state software coordination via _PDC	2006-02-09 03:21:49 -05:00
sleep.c	[PATCH] don't use flush_tlb_all in suspend time	2006-06-23 07:43:00 -07:00
wakeup.S	ACPI: Handle BIOS that resumes from S3 to suspend routine rather than resume vector	2006-08-16 17:59:05 -04:00