diff options
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl/pseudo_lock.c')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c index 05a89e33fde2..2207916cae65 100644 --- a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c +++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c @@ -49,6 +49,7 @@ static struct class *pseudo_lock_class; /** * get_prefetch_disable_bits - prefetch disable bits of supported platforms + * @void: It takes no parameters. * * Capture the list of platforms that have been validated to support * pseudo-locking. This includes testing to ensure pseudo-locked regions @@ -162,7 +163,7 @@ static struct rdtgroup *region_find_by_minor(unsigned int minor) } /** - * pseudo_lock_pm_req - A power management QoS request list entry + * struct pseudo_lock_pm_req - A power management QoS request list entry * @list: Entry within the @pm_reqs list for a pseudo-locked region * @req: PM QoS request */ @@ -184,6 +185,7 @@ static void pseudo_lock_cstates_relax(struct pseudo_lock_region *plr) /** * pseudo_lock_cstates_constrain - Restrict cores from entering C6 + * @plr: Pseudo-locked region * * To prevent the cache from being affected by power management entering * C6 has to be avoided. This is accomplished by requesting a latency @@ -196,6 +198,8 @@ static void pseudo_lock_cstates_relax(struct pseudo_lock_region *plr) * the ACPI latencies need to be considered while keeping in mind that C2 * may be set to map to deeper sleep states. In this case the latency * requirement needs to prevent entering C2 also. + * + * Return: 0 on success, <0 on failure */ static int pseudo_lock_cstates_constrain(struct pseudo_lock_region *plr) { @@ -520,7 +524,7 @@ static int pseudo_lock_fn(void *_rdtgrp) /** * rdtgroup_monitor_in_progress - Test if monitoring in progress - * @r: resource group being queried + * @rdtgrp: resource group being queried * * Return: 1 if monitor groups have been created for this resource * group, 0 otherwise. @@ -1140,6 +1144,8 @@ out: /** * pseudo_lock_measure_cycles - Trigger latency measure to pseudo-locked region + * @rdtgrp: Resource group to which the pseudo-locked region belongs. + * @sel: Selector of which measurement to perform on a pseudo-locked region. * * The measurement of latency to access a pseudo-locked region should be * done from a cpu that is associated with that pseudo-locked region. |