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authorThomas Renninger <trenn@suse.de>2006-06-27 00:06:37 -0400
committerLen Brown <len.brown@intel.com>2006-06-27 00:06:37 -0400
commitd7fa2589bbe7ab53fd5eb20e8c7e388d5aff6f16 (patch)
treee3481b52e4d950ffa4580680b11d9815d5c7e60b /arch/i386/kernel/cpu
parent6468463abd7051fcc29f3ee7c931f9bbbb26f5a4 (diff)
parent46f18e3a28295a9e11a6ffa4478241c19bc93735 (diff)
Pull bugzilla-5737 into release branch
Diffstat (limited to 'arch/i386/kernel/cpu')
-rw-r--r--arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c8
-rw-r--r--arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c8
2 files changed, 14 insertions, 2 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
index 5fd65325b81a..cf0ddc9ee0cd 100644
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -418,8 +418,14 @@ acpi_cpufreq_cpu_init (
goto err_free;
perf = data->acpi_data;
- policy->cpus = perf->shared_cpu_map;
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->cpus = perf->shared_cpu_map;
if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS;
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
index f7e4356f6820..8d765509ef59 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -399,8 +399,14 @@ static int centrino_cpu_init_acpi(struct cpufreq_policy *policy)
dprintk(PFX "obtaining ACPI data failed\n");
return -EIO;
}
- policy->cpus = p->shared_cpu_map;
policy->shared_type = p->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->cpus = p->shared_cpu_map;
/* verify the acpi_data */
if (p->state_count <= 1) {