diff options
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl/intel_aet.c')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/intel_aet.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/intel_aet.c b/arch/x86/kernel/cpu/resctrl/intel_aet.c index 96d627e2c52d..9351fe5b645a 100644 --- a/arch/x86/kernel/cpu/resctrl/intel_aet.c +++ b/arch/x86/kernel/cpu/resctrl/intel_aet.c @@ -14,15 +14,20 @@ #include <linux/bits.h> #include <linux/compiler_types.h> #include <linux/container_of.h> +#include <linux/cpumask.h> #include <linux/err.h> #include <linux/errno.h> +#include <linux/gfp_types.h> #include <linux/init.h> #include <linux/intel_pmt_features.h> #include <linux/intel_vsec.h> #include <linux/io.h> #include <linux/printk.h> +#include <linux/rculist.h> +#include <linux/rcupdate.h> #include <linux/resctrl.h> #include <linux/resctrl_types.h> +#include <linux/slab.h> #include <linux/stddef.h> #include <linux/topology.h> #include <linux/types.h> @@ -283,3 +288,27 @@ int intel_aet_read_event(int domid, u32 rmid, void *arch_priv, u64 *val) return valid ? 0 : -EINVAL; } + +void intel_aet_mon_domain_setup(int cpu, int id, struct rdt_resource *r, + struct list_head *add_pos) +{ + struct rdt_perf_pkg_mon_domain *d; + int err; + + d = kzalloc_node(sizeof(*d), GFP_KERNEL, cpu_to_node(cpu)); + if (!d) + return; + + d->hdr.id = id; + d->hdr.type = RESCTRL_MON_DOMAIN; + d->hdr.rid = RDT_RESOURCE_PERF_PKG; + cpumask_set_cpu(cpu, &d->hdr.cpu_mask); + list_add_tail_rcu(&d->hdr.list, add_pos); + + err = resctrl_online_mon_domain(r, &d->hdr); + if (err) { + list_del_rcu(&d->hdr.list); + synchronize_rcu(); + kfree(d); + } +} |