diff options
Diffstat (limited to 'drivers/idle')
| -rw-r--r-- | drivers/idle/intel_idle.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 9841046dfd32..b796eaea8715 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -1148,7 +1148,7 @@ static const struct x86_cpu_id intel_mwait_ids[] __initconst = { {} }; -static bool intel_idle_max_cstate_reached(int cstate) +static bool __init intel_idle_max_cstate_reached(int cstate) { if (cstate + 1 > max_cstate) { pr_info("max_cstate %d reached\n", max_cstate); @@ -1164,7 +1164,7 @@ static bool no_acpi __read_mostly; module_param(no_acpi, bool, 0444); MODULE_PARM_DESC(no_acpi, "Do not use ACPI _CST for building the idle states list"); -static struct acpi_processor_power acpi_state_table; +static struct acpi_processor_power acpi_state_table __initdata; /** * intel_idle_cst_usable - Check if the _CST information can be used. @@ -1172,7 +1172,7 @@ static struct acpi_processor_power acpi_state_table; * Check if all of the C-states listed by _CST in the max_cstate range are * ACPI_CSTATE_FFH, which means that they should be entered via MWAIT. */ -static bool intel_idle_cst_usable(void) +static bool __init intel_idle_cst_usable(void) { int cstate, limit; @@ -1189,7 +1189,7 @@ static bool intel_idle_cst_usable(void) return true; } -static bool intel_idle_acpi_cst_extract(void) +static bool __init intel_idle_acpi_cst_extract(void) { unsigned int cpu; @@ -1224,7 +1224,7 @@ static bool intel_idle_acpi_cst_extract(void) return false; } -static void intel_idle_init_cstates_acpi(struct cpuidle_driver *drv) +static void __init intel_idle_init_cstates_acpi(struct cpuidle_driver *drv) { int cstate, limit = min_t(int, CPUIDLE_STATE_MAX, acpi_state_table.count); @@ -1268,7 +1268,7 @@ static void intel_idle_init_cstates_acpi(struct cpuidle_driver *drv) } } -static bool intel_idle_off_by_default(u32 mwait_hint) +static bool __init intel_idle_off_by_default(u32 mwait_hint) { int cstate, limit; @@ -1302,7 +1302,7 @@ static inline bool intel_idle_off_by_default(u32 mwait_hint) { return false; } * Tune IVT multi-socket targets * Assumption: num_sockets == (max_package_num + 1) */ -static void ivt_idle_state_table_update(void) +static void __init ivt_idle_state_table_update(void) { /* IVT uses a different table for 1-2, 3-4, and > 4 sockets */ int cpu, package_num, num_sockets = 1; @@ -1329,10 +1329,11 @@ static void ivt_idle_state_table_update(void) * Translate IRTL (Interrupt Response Time Limit) MSR to usec */ -static unsigned int irtl_ns_units[] = { - 1, 32, 1024, 32768, 1048576, 33554432, 0, 0 }; +static const unsigned int irtl_ns_units[] __initconst = { + 1, 32, 1024, 32768, 1048576, 33554432, 0, 0 +}; -static unsigned long long irtl_2_usec(unsigned long long irtl) +static unsigned long long __init irtl_2_usec(unsigned long long irtl) { unsigned long long ns; @@ -1349,7 +1350,7 @@ static unsigned long long irtl_2_usec(unsigned long long irtl) * On BXT, we trust the IRTL to show the definitive maximum latency * We use the same value for target_residency. */ -static void bxt_idle_state_table_update(void) +static void __init bxt_idle_state_table_update(void) { unsigned long long msr; unsigned int usec; @@ -1396,7 +1397,7 @@ static void bxt_idle_state_table_update(void) * On SKL-H (model 0x5e) disable C8 and C9 if: * C10 is enabled and SGX disabled */ -static void sklh_idle_state_table_update(void) +static void __init sklh_idle_state_table_update(void) { unsigned long long msr; unsigned int eax, ebx, ecx, edx; @@ -1433,7 +1434,7 @@ static void sklh_idle_state_table_update(void) skl_cstates[6].flags |= CPUIDLE_FLAG_UNUSABLE; /* C9-SKL */ } -static void intel_idle_init_cstates_icpu(struct cpuidle_driver *drv) +static void __init intel_idle_init_cstates_icpu(struct cpuidle_driver *drv) { int cstate; |