This reverts commit 7fadaff757b2fb2a7704375c3930bd1138a36187. --- arch/x86/kernel/cpu/resctrl/core.c | 26 +++++----- arch/x86/kernel/cpu/resctrl/ctrlmondata.c | 24 ++++----- arch/x86/kernel/cpu/resctrl/monitor.c | 14 +++--- arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 14 +++--- arch/x86/kernel/cpu/resctrl/rdtgroup.c | 60 +++++++++++------------ include/linux/resctrl.h | 16 ++---- 6 files changed, 73 insertions(+), 81 deletions(-) diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index 2ff05ffda328..d3cbe51e6b45 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -355,9 +355,9 @@ struct rdt_domain *get_domain_from_cpu(int cpu, struct rdt_resource *r) lockdep_assert_cpus_held(); - list_for_each_entry(d, &r->domains, hdr.list) { + list_for_each_entry(d, &r->domains, list) { /* Find the domain that contains this CPU */ - if (cpumask_test_cpu(cpu, &d->hdr.cpu_mask)) + if (cpumask_test_cpu(cpu, &d->cpu_mask)) return d; } @@ -393,12 +393,12 @@ struct rdt_domain *rdt_find_domain(struct rdt_resource *r, int id, struct list_head *l; list_for_each(l, &r->domains) { - d = list_entry(l, struct rdt_domain, hdr.list); + d = list_entry(l, struct rdt_domain, list); /* When id is found, return its domain. */ - if (id == d->hdr.id) + if (id == d->id) return d; /* Stop searching when finding id's position in sorted list. */ - if (id < d->hdr.id) + if (id < d->id) break; } @@ -526,7 +526,7 @@ static void domain_add_cpu(int cpu, struct rdt_resource *r) d = rdt_find_domain(r, id, &add_pos); if (d) { - cpumask_set_cpu(cpu, &d->hdr.cpu_mask); + cpumask_set_cpu(cpu, &d->cpu_mask); if (r->cache.arch_has_per_cpu_cfg) rdt_domain_reconfigure_cdp(r); return; @@ -537,8 +537,8 @@ static void domain_add_cpu(int cpu, struct rdt_resource *r) return; d = &hw_dom->d_resctrl; - d->hdr.id = id; - cpumask_set_cpu(cpu, &d->hdr.cpu_mask); + d->id = id; + cpumask_set_cpu(cpu, &d->cpu_mask); rdt_domain_reconfigure_cdp(r); @@ -552,11 +552,11 @@ static void domain_add_cpu(int cpu, struct rdt_resource *r) return; } - list_add_tail_rcu(&d->hdr.list, add_pos); + list_add_tail_rcu(&d->list, add_pos); err = resctrl_online_domain(r, d); if (err) { - list_del_rcu(&d->hdr.list); + list_del_rcu(&d->list); synchronize_rcu(); domain_free(hw_dom); } @@ -583,10 +583,10 @@ static void domain_remove_cpu(int cpu, struct rdt_resource *r) } hw_dom = resctrl_to_arch_dom(d); - cpumask_clear_cpu(cpu, &d->hdr.cpu_mask); - if (cpumask_empty(&d->hdr.cpu_mask)) { + cpumask_clear_cpu(cpu, &d->cpu_mask); + if (cpumask_empty(&d->cpu_mask)) { resctrl_offline_domain(r, d); - list_del_rcu(&d->hdr.list); + list_del_rcu(&d->list); synchronize_rcu(); /* diff --git a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c index 1d8261e84362..b5b8e9c5be11 100644 --- a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c +++ b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c @@ -74,7 +74,7 @@ int parse_bw(struct rdt_parse_data *data, struct resctrl_schema *s, cfg = &d->staged_config[s->conf_type]; if (cfg->have_new_ctrl) { - rdt_last_cmd_printf("Duplicate domain %d\n", d->hdr.id); + rdt_last_cmd_printf("Duplicate domain %d\n", d->id); return -EINVAL; } @@ -153,7 +153,7 @@ int parse_cbm(struct rdt_parse_data *data, struct resctrl_schema *s, cfg = &d->staged_config[s->conf_type]; if (cfg->have_new_ctrl) { - rdt_last_cmd_printf("Duplicate domain %d\n", d->hdr.id); + rdt_last_cmd_printf("Duplicate domain %d\n", d->id); return -EINVAL; } @@ -236,8 +236,8 @@ static int parse_line(char *line, struct resctrl_schema *s, return -EINVAL; } dom = strim(dom); - list_for_each_entry(d, &r->domains, hdr.list) { - if (d->hdr.id == dom_id) { + list_for_each_entry(d, &r->domains, list) { + if (d->id == dom_id) { data.buf = dom; data.rdtgrp = rdtgrp; if (r->parse_ctrlval(&data, s, d)) @@ -285,7 +285,7 @@ int resctrl_arch_update_one(struct rdt_resource *r, struct rdt_domain *d, u32 idx = get_config_index(closid, t); struct msr_param msr_param; - if (!cpumask_test_cpu(smp_processor_id(), &d->hdr.cpu_mask)) + if (!cpumask_test_cpu(smp_processor_id(), &d->cpu_mask)) return -EINVAL; hw_dom->ctrl_val[idx] = cfg_val; @@ -311,7 +311,7 @@ int resctrl_arch_update_domains(struct rdt_resource *r, u32 closid) /* Walking r->domains, ensure it can't race with cpuhp */ lockdep_assert_cpus_held(); - list_for_each_entry(d, &r->domains, hdr.list) { + list_for_each_entry(d, &r->domains, list) { hw_dom = resctrl_to_arch_dom(d); msr_param.res = NULL; for (t = 0; t < CDP_NUM_TYPES; t++) { @@ -335,7 +335,7 @@ int resctrl_arch_update_domains(struct rdt_resource *r, u32 closid) } } if (msr_param.res) - smp_call_function_any(&d->hdr.cpu_mask, rdt_ctrl_update, &msr_param, 1); + smp_call_function_any(&d->cpu_mask, rdt_ctrl_update, &msr_param, 1); } return 0; @@ -455,7 +455,7 @@ static void show_doms(struct seq_file *s, struct resctrl_schema *schema, int clo lockdep_assert_cpus_held(); seq_printf(s, "%*s:", max_name_width, schema->name); - list_for_each_entry(dom, &r->domains, hdr.list) { + list_for_each_entry(dom, &r->domains, list) { if (sep) seq_puts(s, ";"); @@ -465,7 +465,7 @@ static void show_doms(struct seq_file *s, struct resctrl_schema *schema, int clo ctrl_val = resctrl_arch_get_config(r, dom, closid, schema->conf_type); - seq_printf(s, r->format_str, dom->hdr.id, max_data_width, + seq_printf(s, r->format_str, dom->id, max_data_width, ctrl_val); sep = true; } @@ -494,7 +494,7 @@ int rdtgroup_schemata_show(struct kernfs_open_file *of, } else { seq_printf(s, "%s:%d=%x\n", rdtgrp->plr->s->res->name, - rdtgrp->plr->d->hdr.id, + rdtgrp->plr->d->id, rdtgrp->plr->cbm); } } else { @@ -542,7 +542,7 @@ void mon_event_read(struct rmid_read *rr, struct rdt_resource *r, return; } - cpu = cpumask_any_housekeeping(&d->hdr.cpu_mask, RESCTRL_PICK_ANY_CPU); + cpu = cpumask_any_housekeeping(&d->cpu_mask, RESCTRL_PICK_ANY_CPU); /* * cpumask_any_housekeeping() prefers housekeeping CPUs, but @@ -551,7 +551,7 @@ void mon_event_read(struct rmid_read *rr, struct rdt_resource *r, * counters on some platforms if its called in IRQ context. */ if (tick_nohz_full_cpu(cpu)) - smp_call_function_any(&d->hdr.cpu_mask, mon_event_count, rr, 1); + smp_call_function_any(&d->cpu_mask, mon_event_count, rr, 1); else smp_call_on_cpu(cpu, smp_mon_event_count, rr, false); diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c index 4d7c596f9276..366f496ca3ce 100644 --- a/arch/x86/kernel/cpu/resctrl/monitor.c +++ b/arch/x86/kernel/cpu/resctrl/monitor.c @@ -281,7 +281,7 @@ int resctrl_arch_rmid_read(struct rdt_resource *r, struct rdt_domain *d, resctrl_arch_rmid_read_context_check(); - if (!cpumask_test_cpu(smp_processor_id(), &d->hdr.cpu_mask)) + if (!cpumask_test_cpu(smp_processor_id(), &d->cpu_mask)) return -EINVAL; ret = __rmid_read(rmid, eventid, &msr_val); @@ -364,7 +364,7 @@ void __check_limbo(struct rdt_domain *d, bool force_free) * CLOSID and RMID because there may be dependencies between them * on some architectures. */ - trace_mon_llc_occupancy_limbo(entry->closid, entry->rmid, d->hdr.id, val); + trace_mon_llc_occupancy_limbo(entry->closid, entry->rmid, d->id, val); } if (force_free || !rmid_dirty) { @@ -490,7 +490,7 @@ static void add_rmid_to_limbo(struct rmid_entry *entry) idx = resctrl_arch_rmid_idx_encode(entry->closid, entry->rmid); entry->busy = 0; - list_for_each_entry(d, &r->domains, hdr.list) { + list_for_each_entry(d, &r->domains, list) { /* * For the first limbo RMID in the domain, * setup up the limbo worker. @@ -802,7 +802,7 @@ void cqm_handle_limbo(struct work_struct *work) __check_limbo(d, false); if (has_busy_rmid(d)) { - d->cqm_work_cpu = cpumask_any_housekeeping(&d->hdr.cpu_mask, + d->cqm_work_cpu = cpumask_any_housekeeping(&d->cpu_mask, RESCTRL_PICK_ANY_CPU); schedule_delayed_work_on(d->cqm_work_cpu, &d->cqm_limbo, delay); @@ -826,7 +826,7 @@ void cqm_setup_limbo_handler(struct rdt_domain *dom, unsigned long delay_ms, unsigned long delay = msecs_to_jiffies(delay_ms); int cpu; - cpu = cpumask_any_housekeeping(&dom->hdr.cpu_mask, exclude_cpu); + cpu = cpumask_any_housekeeping(&dom->cpu_mask, exclude_cpu); dom->cqm_work_cpu = cpu; if (cpu < nr_cpu_ids) @@ -869,7 +869,7 @@ void mbm_handle_overflow(struct work_struct *work) * Re-check for housekeeping CPUs. This allows the overflow handler to * move off a nohz_full CPU quickly. */ - d->mbm_work_cpu = cpumask_any_housekeeping(&d->hdr.cpu_mask, + d->mbm_work_cpu = cpumask_any_housekeeping(&d->cpu_mask, RESCTRL_PICK_ANY_CPU); schedule_delayed_work_on(d->mbm_work_cpu, &d->mbm_over, delay); @@ -898,7 +898,7 @@ void mbm_setup_overflow_handler(struct rdt_domain *dom, unsigned long delay_ms, */ if (!resctrl_mounted || !resctrl_arch_mon_capable()) return; - cpu = cpumask_any_housekeeping(&dom->hdr.cpu_mask, exclude_cpu); + cpu = cpumask_any_housekeeping(&dom->cpu_mask, exclude_cpu); dom->mbm_work_cpu = cpu; if (cpu < nr_cpu_ids) diff --git a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c index 86436464959c..1041c6401e9e 100644 --- a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c +++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c @@ -221,7 +221,7 @@ static int pseudo_lock_cstates_constrain(struct pseudo_lock_region *plr) int cpu; int ret; - for_each_cpu(cpu, &plr->d->hdr.cpu_mask) { + for_each_cpu(cpu, &plr->d->cpu_mask) { pm_req = kzalloc(sizeof(*pm_req), GFP_KERNEL); if (!pm_req) { rdt_last_cmd_puts("Failure to allocate memory for PM QoS\n"); @@ -300,7 +300,7 @@ static int pseudo_lock_region_init(struct pseudo_lock_region *plr) return -ENODEV; /* Pick the first cpu we find that is associated with the cache. */ - plr->cpu = cpumask_first(&plr->d->hdr.cpu_mask); + plr->cpu = cpumask_first(&plr->d->cpu_mask); if (!cpu_online(plr->cpu)) { rdt_last_cmd_printf("CPU %u associated with cache not online\n", @@ -854,10 +854,10 @@ bool rdtgroup_pseudo_locked_in_hierarchy(struct rdt_domain *d) * associated with them. */ for_each_alloc_capable_rdt_resource(r) { - list_for_each_entry(d_i, &r->domains, hdr.list) { + list_for_each_entry(d_i, &r->domains, list) { if (d_i->plr) cpumask_or(cpu_with_psl, cpu_with_psl, - &d_i->hdr.cpu_mask); + &d_i->cpu_mask); } } @@ -865,7 +865,7 @@ bool rdtgroup_pseudo_locked_in_hierarchy(struct rdt_domain *d) * Next test if new pseudo-locked region would intersect with * existing region. */ - if (cpumask_intersects(&d->hdr.cpu_mask, cpu_with_psl)) + if (cpumask_intersects(&d->cpu_mask, cpu_with_psl)) ret = true; free_cpumask_var(cpu_with_psl); @@ -1197,7 +1197,7 @@ static int pseudo_lock_measure_cycles(struct rdtgroup *rdtgrp, int sel) } plr->thread_done = 0; - cpu = cpumask_first(&plr->d->hdr.cpu_mask); + cpu = cpumask_first(&plr->d->cpu_mask); if (!cpu_online(cpu)) { ret = -ENODEV; goto out; @@ -1527,7 +1527,7 @@ static int pseudo_lock_dev_mmap(struct file *filp, struct vm_area_struct *vma) * may be scheduled elsewhere and invalidate entries in the * pseudo-locked region. */ - if (!cpumask_subset(current->cpus_ptr, &plr->d->hdr.cpu_mask)) { + if (!cpumask_subset(current->cpus_ptr, &plr->d->cpu_mask)) { mutex_unlock(&rdtgroup_mutex); return -EINVAL; } diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c index b6ba77cdf0e8..50f5876a3020 100644 --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c @@ -98,7 +98,7 @@ void rdt_staged_configs_clear(void) lockdep_assert_held(&rdtgroup_mutex); for_each_alloc_capable_rdt_resource(r) { - list_for_each_entry(dom, &r->domains, hdr.list) + list_for_each_entry(dom, &r->domains, list) memset(dom->staged_config, 0, sizeof(dom->staged_config)); } } @@ -317,7 +317,7 @@ static int rdtgroup_cpus_show(struct kernfs_open_file *of, rdt_last_cmd_puts("Cache domain offline\n"); ret = -ENODEV; } else { - mask = &rdtgrp->plr->d->hdr.cpu_mask; + mask = &rdtgrp->plr->d->cpu_mask; seq_printf(s, is_cpu_list(of) ? "%*pbl\n" : "%*pb\n", cpumask_pr_args(mask)); @@ -1021,12 +1021,12 @@ static int rdt_bit_usage_show(struct kernfs_open_file *of, cpus_read_lock(); mutex_lock(&rdtgroup_mutex); hw_shareable = r->cache.shareable_bits; - list_for_each_entry(dom, &r->domains, hdr.list) { + list_for_each_entry(dom, &r->domains, list) { if (sep) seq_putc(seq, ';'); sw_shareable = 0; exclusive = 0; - seq_printf(seq, "%d=", dom->hdr.id); + seq_printf(seq, "%d=", dom->id); for (i = 0; i < closids_supported(); i++) { if (!closid_allocated(i)) continue; @@ -1343,7 +1343,7 @@ static bool rdtgroup_mode_test_exclusive(struct rdtgroup *rdtgrp) if (r->rid == RDT_RESOURCE_MBA || r->rid == RDT_RESOURCE_SMBA) continue; has_cache = true; - list_for_each_entry(d, &r->domains, hdr.list) { + list_for_each_entry(d, &r->domains, list) { ctrl = resctrl_arch_get_config(r, d, closid, s->conf_type); if (rdtgroup_cbm_overlaps(s, d, ctrl, closid, false)) { @@ -1458,7 +1458,7 @@ unsigned int rdtgroup_cbm_to_size(struct rdt_resource *r, return size; num_b = bitmap_weight(&cbm, r->cache.cbm_len); - ci = get_cpu_cacheinfo_level(cpumask_any(&d->hdr.cpu_mask), r->scope); + ci = get_cpu_cacheinfo_level(cpumask_any(&d->cpu_mask), r->scope); if (ci) size = ci->size / r->cache.cbm_len * num_b; @@ -1502,7 +1502,7 @@ static int rdtgroup_size_show(struct kernfs_open_file *of, size = rdtgroup_cbm_to_size(rdtgrp->plr->s->res, rdtgrp->plr->d, rdtgrp->plr->cbm); - seq_printf(s, "%d=%u\n", rdtgrp->plr->d->hdr.id, size); + seq_printf(s, "%d=%u\n", rdtgrp->plr->d->id, size); } goto out; } @@ -1514,7 +1514,7 @@ static int rdtgroup_size_show(struct kernfs_open_file *of, type = schema->conf_type; sep = false; seq_printf(s, "%*s:", max_name_width, schema->name); - list_for_each_entry(d, &r->domains, hdr.list) { + list_for_each_entry(d, &r->domains, list) { if (sep) seq_putc(s, ';'); if (rdtgrp->mode == RDT_MODE_PSEUDO_LOCKSETUP) { @@ -1532,7 +1532,7 @@ static int rdtgroup_size_show(struct kernfs_open_file *of, else size = rdtgroup_cbm_to_size(r, d, ctrl); } - seq_printf(s, "%d=%u", d->hdr.id, size); + seq_printf(s, "%d=%u", d->id, size); sep = true; } seq_putc(s, '\n'); @@ -1592,7 +1592,7 @@ static void mon_event_config_read(void *info) static void mondata_config_read(struct rdt_domain *d, struct mon_config_info *mon_info) { - smp_call_function_any(&d->hdr.cpu_mask, mon_event_config_read, mon_info, 1); + smp_call_function_any(&d->cpu_mask, mon_event_config_read, mon_info, 1); } static int mbm_config_show(struct seq_file *s, struct rdt_resource *r, u32 evtid) @@ -1604,7 +1604,7 @@ static int mbm_config_show(struct seq_file *s, struct rdt_resource *r, u32 evtid cpus_read_lock(); mutex_lock(&rdtgroup_mutex); - list_for_each_entry(dom, &r->domains, hdr.list) { + list_for_each_entry(dom, &r->domains, list) { if (sep) seq_puts(s, ";"); @@ -1612,7 +1612,7 @@ static int mbm_config_show(struct seq_file *s, struct rdt_resource *r, u32 evtid mon_info.evtid = evtid; mondata_config_read(dom, &mon_info); - seq_printf(s, "%d=0x%02x", dom->hdr.id, mon_info.mon_config); + seq_printf(s, "%d=0x%02x", dom->id, mon_info.mon_config); sep = true; } seq_puts(s, "\n"); @@ -1678,7 +1678,7 @@ static void mbm_config_write_domain(struct rdt_resource *r, * are scoped at the domain level. Writing any of these MSRs * on one CPU is observed by all the CPUs in the domain. */ - smp_call_function_any(&d->hdr.cpu_mask, mon_event_config_write, + smp_call_function_any(&d->cpu_mask, mon_event_config_write, &mon_info, 1); /* @@ -1728,8 +1728,8 @@ static int mon_config_write(struct rdt_resource *r, char *tok, u32 evtid) return -EINVAL; } - list_for_each_entry(d, &r->domains, hdr.list) { - if (d->hdr.id == dom_id) { + list_for_each_entry(d, &r->domains, list) { + if (d->id == dom_id) { mbm_config_write_domain(r, d, evtid, val); goto next; } @@ -2276,14 +2276,14 @@ static int set_cache_qos_cfg(int level, bool enable) return -ENOMEM; r_l = &rdt_resources_all[level].r_resctrl; - list_for_each_entry(d, &r_l->domains, hdr.list) { + list_for_each_entry(d, &r_l->domains, list) { if (r_l->cache.arch_has_per_cpu_cfg) /* Pick all the CPUs in the domain instance */ - for_each_cpu(cpu, &d->hdr.cpu_mask) + for_each_cpu(cpu, &d->cpu_mask) cpumask_set_cpu(cpu, cpu_mask); else /* Pick one CPU from each domain instance to update MSR */ - cpumask_set_cpu(cpumask_any(&d->hdr.cpu_mask), cpu_mask); + cpumask_set_cpu(cpumask_any(&d->cpu_mask), cpu_mask); } /* Update QOS_CFG MSR on all the CPUs in cpu_mask */ @@ -2312,7 +2312,7 @@ void rdt_domain_reconfigure_cdp(struct rdt_resource *r) static int mba_sc_domain_allocate(struct rdt_resource *r, struct rdt_domain *d) { u32 num_closid = resctrl_arch_get_num_closid(r); - int cpu = cpumask_any(&d->hdr.cpu_mask); + int cpu = cpumask_any(&d->cpu_mask); int i; d->mbps_val = kcalloc_node(num_closid, sizeof(*d->mbps_val), @@ -2361,7 +2361,7 @@ static int set_mba_sc(bool mba_sc) r->membw.mba_sc = mba_sc; - list_for_each_entry(d, &r->domains, hdr.list) { + list_for_each_entry(d, &r->domains, list) { for (i = 0; i < num_closid; i++) d->mbps_val[i] = MBA_MAX_MBPS; } @@ -2700,7 +2700,7 @@ static int rdt_get_tree(struct fs_context *fc) if (is_mbm_enabled()) { r = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; - list_for_each_entry(dom, &r->domains, hdr.list) + list_for_each_entry(dom, &r->domains, list) mbm_setup_overflow_handler(dom, MBM_OVERFLOW_INTERVAL, RESCTRL_PICK_ANY_CPU); } @@ -2827,13 +2827,13 @@ static int reset_all_ctrls(struct rdt_resource *r) * CBMs in all domains to the maximum mask value. Pick one CPU * from each domain to update the MSRs below. */ - list_for_each_entry(d, &r->domains, hdr.list) { + list_for_each_entry(d, &r->domains, list) { hw_dom = resctrl_to_arch_dom(d); for (i = 0; i < hw_res->num_closid; i++) hw_dom->ctrl_val[i] = r->default_ctrl; msr_param.dom = d; - smp_call_function_any(&d->hdr.cpu_mask, rdt_ctrl_update, &msr_param, 1); + smp_call_function_any(&d->cpu_mask, rdt_ctrl_update, &msr_param, 1); } return 0; @@ -3031,7 +3031,7 @@ static int mkdir_mondata_subdir(struct kernfs_node *parent_kn, char name[32]; int ret; - sprintf(name, "mon_%s_%02d", r->name, d->hdr.id); + sprintf(name, "mon_%s_%02d", r->name, d->id); /* create the directory */ kn = kernfs_create_dir(parent_kn, name, parent_kn->mode, prgrp); if (IS_ERR(kn)) @@ -3047,7 +3047,7 @@ static int mkdir_mondata_subdir(struct kernfs_node *parent_kn, } priv.u.rid = r->rid; - priv.u.domid = d->hdr.id; + priv.u.domid = d->id; list_for_each_entry(mevt, &r->evt_list, list) { priv.u.evtid = mevt->evtid; ret = mon_addfile(kn, mevt->name, priv.priv); @@ -3098,7 +3098,7 @@ static int mkdir_mondata_subdir_alldom(struct kernfs_node *parent_kn, /* Walking r->domains, ensure it can't race with cpuhp */ lockdep_assert_cpus_held(); - list_for_each_entry(dom, &r->domains, hdr.list) { + list_for_each_entry(dom, &r->domains, list) { ret = mkdir_mondata_subdir(parent_kn, dom, r, prgrp); if (ret) return ret; @@ -3257,7 +3257,7 @@ static int __init_one_rdt_domain(struct rdt_domain *d, struct resctrl_schema *s, */ tmp_cbm = cfg->new_ctrl; if (bitmap_weight(&tmp_cbm, r->cache.cbm_len) < r->cache.min_cbm_bits) { - rdt_last_cmd_printf("No space on %s:%d\n", s->name, d->hdr.id); + rdt_last_cmd_printf("No space on %s:%d\n", s->name, d->id); return -ENOSPC; } cfg->have_new_ctrl = true; @@ -3280,7 +3280,7 @@ static int rdtgroup_init_cat(struct resctrl_schema *s, u32 closid) struct rdt_domain *d; int ret; - list_for_each_entry(d, &s->res->domains, hdr.list) { + list_for_each_entry(d, &s->res->domains, list) { ret = __init_one_rdt_domain(d, s, closid); if (ret < 0) return ret; @@ -3295,7 +3295,7 @@ static void rdtgroup_init_mba(struct rdt_resource *r, u32 closid) struct resctrl_staged_config *cfg; struct rdt_domain *d; - list_for_each_entry(d, &r->domains, hdr.list) { + list_for_each_entry(d, &r->domains, list) { if (is_mba_sc(r)) { d->mbps_val[closid] = MBA_MAX_MBPS; continue; @@ -3941,7 +3941,7 @@ void resctrl_offline_domain(struct rdt_resource *r, struct rdt_domain *d) * per domain monitor data directories. */ if (resctrl_mounted && resctrl_arch_mon_capable()) - rmdir_mondata_subdir_allrdtgrp(r, d->hdr.id); + rmdir_mondata_subdir_allrdtgrp(r, d->id); if (is_mbm_enabled()) cancel_delayed_work(&d->mbm_over); diff --git a/include/linux/resctrl.h b/include/linux/resctrl.h index f63fcf17a3bc..ed693bfe474d 100644 --- a/include/linux/resctrl.h +++ b/include/linux/resctrl.h @@ -59,20 +59,10 @@ struct resctrl_staged_config { }; /** - * struct rdt_domain_hdr - common header for different domain types + * struct rdt_domain - group of CPUs sharing a resctrl resource * @list: all instances of this resource * @id: unique id for this instance * @cpu_mask: which CPUs share this resource - */ -struct rdt_domain_hdr { - struct list_head list; - int id; - struct cpumask cpu_mask; -}; - -/** - * struct rdt_domain - group of CPUs sharing a resctrl resource - * @hdr: common header for different domain types * @rmid_busy_llc: bitmap of which limbo RMIDs are above threshold * @mbm_total: saved state for MBM total bandwidth * @mbm_local: saved state for MBM local bandwidth @@ -87,7 +77,9 @@ struct rdt_domain_hdr { * by closid */ struct rdt_domain { - struct rdt_domain_hdr hdr; + struct list_head list; + int id; + struct cpumask cpu_mask; unsigned long *rmid_busy_llc; struct mbm_state *mbm_total; struct mbm_state *mbm_local; -- 2.25.1