static void __init acpi_cpufreq_boost_init(void) { if (boot_cpu_has(X86_FEATURE_CPB) || boot_cpu_has(X86_FEATURE_IDA)) { msrs = msrs_alloc(); if (!msrs) return; acpi_cpufreq_driver.boost_supported = true; acpi_cpufreq_driver.boost_enabled = boost_state(0); get_online_cpus(); /* Force all MSRs to the same value */ boost_set_msrs(acpi_cpufreq_driver.boost_enabled, cpu_online_mask); register_cpu_notifier(&boost_nb); put_online_cpus(); } }
static void __init acpi_cpufreq_boost_init(void) { if (boot_cpu_has(X86_FEATURE_CPB) || boot_cpu_has(X86_FEATURE_IDA)) { msrs = msrs_alloc(); if (!msrs) return; pax_open_kernel(); *(bool *)&acpi_cpufreq_driver.boost_supported = true; *(bool *)&acpi_cpufreq_driver.boost_enabled = boost_state(0); pax_close_kernel(); cpu_notifier_register_begin(); /* Force all MSRs to the same value */ boost_set_msrs(acpi_cpufreq_driver.boost_enabled, cpu_online_mask); __register_cpu_notifier(&boost_nb); cpu_notifier_register_done(); } }