diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/Kconfig | 2 | ||||
| -rw-r--r-- | arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c | 8 | ||||
| -rw-r--r-- | arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c | 8 |
3 files changed, 15 insertions, 3 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 1718429286d..27d8dddbaa4 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -176,7 +176,7 @@ endchoice config ACPI_SRAT bool default y - depends on NUMA && (X86_SUMMIT || X86_GENERICARCH) + depends on ACPI && NUMA && (X86_SUMMIT || X86_GENERICARCH) select ACPI_NUMA config HAVE_ARCH_PARSE_SRAT diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c index 5fd65325b81..cf0ddc9ee0c 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 f7e4356f682..8d765509ef5 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) { |