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PM QOS update

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This patch changes the string based list management to a handle base
implementation to help with the hot path use of pm-qos, it also renames
much of the API to use "request" as opposed to "requirement" that was
used in the initial implementation.  I did this because request more
accurately represents what it actually does.

Also, I added a string based ABI for users wanting to use a string
interface.  So if the user writes 0xDDDDDDDD formatted hex it will be
accepted by the interface.  (someone asked me for it and I don't think
it hurts anything.)

This patch updates some documentation input I got from Randy.

Signed-off-by: markgross <mgross@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Mark Gross
2010-05-06 01:59:26 +02:00
committed by Rafael J. Wysocki
parent 0fef8b1e83
commit ed77134bfc
14 changed files with 175 additions and 170 deletions
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2
drivers/acpi/processor_idle.c
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@@ -698,7 +698,7 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
"max_cstate: C%d\n"
"maximum allowed latency: %d usec\n",
pr->power.state ? pr->power.state - pr->power.states : 0,
max_cstate, pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY));
max_cstate, pm_qos_request(PM_QOS_CPU_DMA_LATENCY));
seq_puts(seq, "states:\n");