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3dc9a633f8
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4 Commits

Author SHA1 Message Date
Matthew Garrett
3dc9a633f8 acpi-cpufreq: Add support for modern AMD CPUs 
The programming model for P-states on modern AMD CPUs is very similar to
that of Intel and VIA. It makes sense to consolidate this support into one
driver rather than duplicating functionality between two of them. This
patch adds support for AMDs with hardware P-state control to acpi-cpufreq.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
 2012-09-09 22:04:26 +02:00
Matthew Garrett
92e03c41a4 [CPUFREQ] Handle CPUs with different capabilities in acpi-cpufreq 
acpi-cpufreq checks each CPU for aperf/mperf support, but only sets a
global flag. This will cause errors if some CPUs in the system don't
support the feature. Check boot_cpu_has() instead in order to make sure
that all CPUs support it.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Jones <davej@redhat.com>
 2011-07-13 18:29:49 -04:00
Luming Yu
50f4ddd4ff [CPUFREQ] fix cpumask memory leak in acpi-cpufreq on cpu hotplug. 
I came across a memory leak during a cyclic cpu-online-offline test.

Signed-off-by: Yu Luming <luming.yu@intel.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>
 2011-07-10 17:03:04 -04:00
Dave Jones
bb0a56ecc4 [CPUFREQ] Move x86 drivers to drivers/cpufreq/ 
Signed-off-by: Dave Jones <davej@redhat.com>
 2011-05-19 18:51:07 -04:00