Displaying 4 results from an estimated 4 matches for "shared_typ".
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2012 Aug 16
5
[PATCH] AMD, powernow: Update P-state directly when _PSD's CoordType is DOMAIN_COORD_TYPE_HW_ALL
...d.com>
# Date 1345135101 -7200
# Node ID 85190245a94d9945b7656c971ba36f7d1eff5c19
# Parent 6d56e31fe1e1dc793379d662a36ff1731760eb0c
AMD, powernow: Update P-state directly when _PSD''s CoordType is DOMAIN_COORD_TYPE_HW_ALL
When _PSD''s CoordType is DOMAIN_COORD_TYPE_HW_ALL (i.e. shared_type is
CPUFREQ_SHARED_TYPE_HW) which most often is the case on servers, there is no
reason to go into on_selected_cpus() code, we call call transition_pstate()
directly.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com>
diff -r 6d56e31fe1e1 -r 85190245a94d xen/arch/x86/acpi/cpufreq/powe...
2011 Oct 17
0
[PATCH] powernow: don't read never initialoized structure member
...e
use of the field along with the field itself.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/xen/arch/x86/acpi/cpufreq/powernow.c
+++ b/xen/arch/x86/acpi/cpufreq/powernow.c
@@ -200,16 +200,13 @@ static int powernow_cpufreq_cpu_init(str
perf = data->acpi_data;
policy->shared_type = perf->shared_type;
- /*
- * Will let policy->cpus know about dependency only when software
- * coordination is required.
- */
if (policy->shared_type == CPUFREQ_SHARED_TYPE_ALL ||
policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) {
- policy->cpu...
2011 Oct 20
0
[PATCH 07/12] cpufreq: allocate CPU masks dynamically
...011-09-20/xen/include/acpi/cpufreq/cpufreq.h 2011-10-14 14:45:28.000000000 +0200
@@ -42,7 +42,7 @@ struct cpufreq_cpuinfo {
};
struct cpufreq_policy {
- cpumask_t cpus; /* affected CPUs */
+ cpumask_var_t cpus; /* affected CPUs */
unsigned int shared_type; /* ANY or ALL affected CPUs
should set cpufreq */
unsigned int cpu; /* cpu nr of registered CPU */
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2011 Nov 30
36
[RFC PATCH] Exporting ACPI Pxx/Cxx states to other kernel subsystems (v1).
Hello,
The following patches are a solution to a problem we have encountered
when using the Xen hypervisor:
- Need Pxx/Cxx states to save on power consumption when using Xen (we
do want those datacenters to consume less power!),
- Also need to figure out the Turbo mode so that the scheduler can properly
boost a core for CPU bound guests.
In essence the Xen hypervisor requires that