| /Linux-v5.15/kernel/events/ |
| D | hw_breakpoint.c | 1 // SPDX-License-Identifier: GPL-2.0+
15 * HW_breakpoint: a unified kernel/user-space hardware breakpoint facility,
16 * using the CPU's debug registers.
17 * This file contains the arch-independent routines.
32 #include <linux/cpu.h>
41 /* Number of pinned cpu breakpoints in a cpu */
45 /* Number of non-pinned cpu/task breakpoints in a cpu */
52 static struct bp_cpuinfo *get_bp_info(int cpu, enum bp_type_idx type) in get_bp_info() argument
54 return per_cpu_ptr(bp_cpuinfo + type, cpu); in get_bp_info()
62 /* Gather the number of total pinned and un-pinned bp in a cpuset */
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| /Linux-v5.15/drivers/acpi/ |
| D | pptt.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * pptt.c - parsing of Processor Properties Topology Table (PPTT)
33 if (pptt_ref + sizeof(struct acpi_subtable_header) > table_hdr->length) in fetch_pptt_subtable()
38 if (entry->length == 0) in fetch_pptt_subtable()
41 if (pptt_ref + entry->length > table_hdr->length) in fetch_pptt_subtable()
65 if (resource >= node->number_of_priv_resources) in acpi_get_pptt_resource()
74 static inline bool acpi_pptt_match_type(int table_type, int type) in acpi_pptt_match_type() argument
76 return ((table_type & ACPI_PPTT_MASK_CACHE_TYPE) == type || in acpi_pptt_match_type()
77 table_type & ACPI_PPTT_CACHE_TYPE_UNIFIED & type); in acpi_pptt_match_type()
81 * acpi_pptt_walk_cache() - Attempt to find the requested acpi_pptt_cache
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| /Linux-v5.15/arch/arm/boot/dts/ |
| D | exynos5422-odroidxu3-common.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
3 * Hardkernel Odroid XU3/XU3-Lite/XU4 boards common device tree source
12 #include <dt-bindings/input/input.h>
13 #include "exynos5422-odroid-core.dtsi"
16 gpio-keys {
17 compatible = "gpio-keys";
18 pinctrl-names = "default";
19 pinctrl-0 = <&power_key>;
21 power-key {
32 debounce-interval = <0>;
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| D | exynos5422-odroidhc1.dts | 1 // SPDX-License-Identifier: GPL-2.0
10 /dts-v1/;
11 #include "exynos5422-odroid-core.dtsi"
15 compatible = "hardkernel,odroid-hc1", "samsung,exynos5800", \
18 led-controller {
19 compatible = "pwm-leds";
21 led-1 {
24 pwm-names = "pwm2";
25 max-brightness = <255>;
26 linux,default-trigger = "heartbeat";
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| /Linux-v5.15/drivers/bus/ |
| D | mips_cdmm.c | 4 * Copyright (C) 2014-2015 Imagination Technologies Ltd.
13 #include <linux/cpu.h>
53 for (; table->type; ++table) { in mips_cdmm_lookup()
54 ret = (dev->type == table->type); in mips_cdmm_lookup()
67 return mips_cdmm_lookup(cdrv->id_table, cdev) != NULL; in mips_cdmm_match()
75 retval = add_uevent_var(env, "CDMM_CPU=%u", cdev->cpu); in mips_cdmm_uevent()
79 retval = add_uevent_var(env, "CDMM_TYPE=0x%02x", cdev->type); in mips_cdmm_uevent()
83 retval = add_uevent_var(env, "CDMM_REV=%u", cdev->rev); in mips_cdmm_uevent()
87 retval = add_uevent_var(env, "MODALIAS=mipscdmm:t%02X", cdev->type); in mips_cdmm_uevent()
102 CDMM_ATTR(cpu, "%u\n", dev->cpu);
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| D | arm-cci.c | 17 #include <linux/arm-cci.h>
49 {.compatible = "arm,cci-400", .data = CCI400_PORTS_DATA },
52 { .compatible = "arm,cci-500", },
53 { .compatible = "arm,cci-550", },
59 OF_DEV_AUXDATA("arm,cci-400-pmu", 0, NULL, &cci_ctrl_base),
60 OF_DEV_AUXDATA("arm,cci-400-pmu,r0", 0, NULL, &cci_ctrl_base),
61 OF_DEV_AUXDATA("arm,cci-400-pmu,r1", 0, NULL, &cci_ctrl_base),
62 OF_DEV_AUXDATA("arm,cci-500-pmu,r0", 0, NULL, &cci_ctrl_base),
63 OF_DEV_AUXDATA("arm,cci-550-pmu,r0", 0, NULL, &cci_ctrl_base),
67 #define DRIVER_NAME "ARM-CCI"
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| /Linux-v5.15/drivers/base/ |
| D | cacheinfo.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * cacheinfo support - processor cache information via sysfs
5 * Based on arch/x86/kernel/cpu/intel_cacheinfo.c
14 #include <linux/cpu.h>
23 /* pointer to per cpu cacheinfo */
25 #define ci_cacheinfo(cpu) (&per_cpu(ci_cpu_cacheinfo, cpu)) argument
26 #define cache_leaves(cpu) (ci_cacheinfo(cpu)->num_leaves) argument
27 #define per_cpu_cacheinfo(cpu) (ci_cacheinfo(cpu)->info_list) argument
29 struct cpu_cacheinfo *get_cpu_cacheinfo(unsigned int cpu) in get_cpu_cacheinfo() argument
31 return ci_cacheinfo(cpu); in get_cpu_cacheinfo()
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| /Linux-v5.15/tools/perf/util/ |
| D | stat-shadow.c | 1 // SPDX-License-Identifier: GPL-2.0
17 * AGGR_GLOBAL: Use CPU 0
18 * AGGR_SOCKET: Use first CPU of socket
19 * AGGR_DIE: Use first CPU of die
20 * AGGR_CORE: Use first CPU of core
21 * AGGR_NONE: Use matching CPU
31 enum stat_type type; member
33 int cpu; member
48 if (a->cpu != b->cpu) in saved_value_cmp()
49 return a->cpu - b->cpu; in saved_value_cmp()
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| /Linux-v5.15/arch/arm64/boot/dts/exynos/ |
| D | exynos7-trip-points.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
10 cpu-alert-0 {
13 type = "passive";
15 cpu-alert-1 {
18 type = "passive";
20 cpu-alert-2 {
23 type = "passive";
25 cpu-alert-3 {
28 type = "passive";
30 cpu-alert-4 {
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| /Linux-v5.15/arch/ia64/kernel/ |
| D | topology.c | 9 * Populate cpu entries in sysfs for non-numa systems as well
10 * Intel Corporation - Ashok Raj
12 * Populate cpu cache entries in sysfs for cpu cache info
15 #include <linux/cpu.h>
27 #include <asm/cpu.h>
34 if (cpu_data(num)->socket_id == -1) in arch_fix_phys_package_id()
35 cpu_data(num)->socket_id = slot; in arch_fix_phys_package_id()
45 * If CPEI can be re-targeted or if this is not in arch_register_cpu()
49 sysfs_cpus[num].cpu.hotpluggable = 1; in arch_register_cpu()
51 return register_cpu(&sysfs_cpus[num].cpu, num); in arch_register_cpu()
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| /Linux-v5.15/include/linux/ |
| D | percpu-defs.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * linux/percpu-defs.h - basic definitions for percpu areas
40 * Base implementations of per-CPU variable declarations and definitions, where
86 #define DECLARE_PER_CPU_SECTION(type, name, sec) \ argument
88 extern __PCPU_ATTRS(sec) __typeof__(type) name
90 #define DEFINE_PER_CPU_SECTION(type, name, sec) \ argument
94 extern __PCPU_ATTRS(sec) __typeof__(type) name; \
95 __PCPU_ATTRS(sec) __weak __typeof__(type) name
100 #define DECLARE_PER_CPU_SECTION(type, name, sec) \ argument
101 extern __PCPU_ATTRS(sec) __typeof__(type) name
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| /Linux-v5.15/Documentation/devicetree/bindings/csky/ |
| D | cpus.txt | 2 C-SKY CPU Bindings
6 the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
7 defining properties for every cpu.
13 cpus and cpu node bindings definition
16 - cpus node
18 Description: Container of cpu nodes
24 - #address-cells
26 Value type: <u32>
28 - #size-cells
30 Value type: <u32>
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| /Linux-v5.15/kernel/bpf/ |
| D | bpf_lru_list.c | 1 // SPDX-License-Identifier: GPL-2.0-only
17 #define LOCAL_LIST_IDX(t) ((t) - BPF_LOCAL_LIST_T_OFFSET)
22 static int get_next_cpu(int cpu) in get_next_cpu() argument
24 cpu = cpumask_next(cpu, cpu_possible_mask); in get_next_cpu()
25 if (cpu >= nr_cpu_ids) in get_next_cpu()
26 cpu = cpumask_first(cpu_possible_mask); in get_next_cpu()
27 return cpu; in get_next_cpu()
33 return &loc_l->lists[LOCAL_FREE_LIST_IDX]; in local_free_list()
38 return &loc_l->lists[LOCAL_PENDING_LIST_IDX]; in local_pending_list()
44 return node->ref; in bpf_lru_node_is_ref()
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| /Linux-v5.15/Documentation/devicetree/bindings/powerpc/ |
| D | ibm,powerpc-cpu-features.txt | 3 (skiboot/doc/device-tree/ibm,powerpc-cpu-features/binding.txt)
9 ibm,powerpc-cpu-features binding
12 This device tree binding describes CPU features available to software, with
19 /cpus/ibm,powerpc-cpu-features node binding
20 -------------------------------------------
22 Node: ibm,powerpc-cpu-features
24 Description: Container of CPU feature nodes.
26 The node name must be "ibm,powerpc-cpu-features".
35 - compatible
37 Value type: string
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| /Linux-v5.15/tools/bpf/bpftool/ |
| D | map_perf_ring.c | 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
25 #include <perf-sys.h>
36 unsigned int cpu; member
61 int cpu; member
66 print_bpf_output(void *private_data, int cpu, struct perf_event_header *event) in print_bpf_output() argument
75 int idx = ctx->all_cpus ? cpu : ctx->idx; in print_bpf_output()
79 jsonw_name(json_wtr, "type"); in print_bpf_output()
80 jsonw_uint(json_wtr, e->header.type); in print_bpf_output()
81 jsonw_name(json_wtr, "cpu"); in print_bpf_output()
82 jsonw_uint(json_wtr, cpu); in print_bpf_output()
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| /Linux-v5.15/tools/perf/tests/ |
| D | perf-record.c | 1 // SPDX-License-Identifier: GPL-2.0
19 int i, cpu = -1, nrcpus = 1024; in sched__get_first_possible_cpu() local
23 if (sched_getaffinity(pid, sizeof(*maskp), maskp) == -1) { in sched__get_first_possible_cpu()
29 return -1; in sched__get_first_possible_cpu()
34 if (cpu == -1) in sched__get_first_possible_cpu()
35 cpu = i; in sched__get_first_possible_cpu()
41 return cpu; in sched__get_first_possible_cpu()
68 int err = -1, errs = 0, i, wakeups = 0; in test__PERF_RECORD()
69 u32 cpu; in test__PERF_RECORD() local
83 * we start with all threads and cpus (-1, -1) but then in in test__PERF_RECORD()
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| /Linux-v5.15/Documentation/devicetree/bindings/sound/ |
| D | qcom,sdm845.txt | 5 - compatible:
7 Value type: <stringlist>
9 "qcom,sdm845-sndcard"
10 "qcom,db845c-sndcard"
11 "lenovo,yoga-c630-sndcard"
13 - audio-routing:
15 Value type: <stringlist>
22 - model:
24 Value type: <stringlist>
25 Definition: The user-visible name of this sound card.
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| D | qcom,apq8096.txt | 5 - compatible:
7 Value type: <stringlist>
8 Definition: must be "qcom,apq8096-sndcard"
10 - audio-routing:
12 Value type: <stringlist>
53 - model:
55 Value type: <stringlist>
56 Definition: The user-visible name of this sound card.
58 - aux-devs
60 Value type: <array of phandles>
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| /Linux-v5.15/kernel/ |
| D | smp.c | 1 // SPDX-License-Identifier: GPL-2.0-only
20 #include <linux/cpu.h>
32 #define CSD_TYPE(_csd) ((_csd)->node.u_flags & CSD_FLAG_TYPE_MASK)
41 u64 type:4; member
63 [CFD_SEQ_DEQUEUE] = "dequeue (src CPU 0 == empty)",
66 [CFD_SEQ_HDLEND] = "hdlend (src CPU 0 == early)",
101 int smpcfd_prepare_cpu(unsigned int cpu) in smpcfd_prepare_cpu() argument
103 struct call_function_data *cfd = &per_cpu(cfd_data, cpu); in smpcfd_prepare_cpu()
105 if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL, in smpcfd_prepare_cpu()
106 cpu_to_node(cpu))) in smpcfd_prepare_cpu()
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| /Linux-v5.15/net/core/ |
| D | gen_stats.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
24 gnet_stats_copy(struct gnet_dump *d, int type, void *buf, int size, int padattr) in gnet_stats_copy() argument
26 if (nla_put_64bit(d->skb, type, size, buf, padattr)) in gnet_stats_copy()
31 if (d->lock) in gnet_stats_copy()
32 spin_unlock_bh(d->lock); in gnet_stats_copy()
33 kfree(d->xstats); in gnet_stats_copy()
34 d->xstats = NULL; in gnet_stats_copy()
35 d->xstats_len = 0; in gnet_stats_copy()
36 return -1; in gnet_stats_copy()
40 * gnet_stats_start_copy_compat - start dumping procedure in compatibility mode
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| /Linux-v5.15/Documentation/power/ |
| D | suspend-and-cpuhotplug.rst | 2 Interaction of Suspend code (S3) with the CPU hotplug infrastructure
5 (C) 2011 - 2014 Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
8 I. Differences between CPU hotplug and Suspend-to-RAM
11 How does the regular CPU hotplug code differ from how the Suspend-to-RAM
14 Well, a picture is worth a thousand words... So ASCII art follows :-)
17 interactions involving the freezer and CPU hotplug and also tries to explain
21 What happens when regular CPU hotplug and Suspend-to-RAM race with each other
24 On a high level, the suspend-resume cycle goes like this::
26 |Freeze| -> |Disable nonboot| -> |Do suspend| -> |Enable nonboot| -> |Thaw |
33 -----------------
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| /Linux-v5.15/arch/s390/kernel/ |
| D | cache.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Extract CPU cache information and expose them via sysfs.
10 #include <linux/cpu.h>
44 unsigned char type : 2; member
77 for (idx = 0; idx < this_cpu_ci->num_leaves; idx++) { in show_cacheinfo()
78 cache = this_cpu_ci->info_list + idx; in show_cacheinfo()
79 seq_printf(m, "cache%-11d: ", idx); in show_cacheinfo()
80 seq_printf(m, "level=%d ", cache->level); in show_cacheinfo()
81 seq_printf(m, "type=%s ", cache_type_string[cache->type]); in show_cacheinfo()
83 cache->disable_sysfs ? "Shared" : "Private"); in show_cacheinfo()
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| /Linux-v5.15/Documentation/devicetree/bindings/arm/ |
| D | cci.txt | 5 ARM multi-cluster systems maintain intra-cluster coherency through a
24 - compatible
26 Value type: <string>
28 "arm,cci-400"
29 "arm,cci-500"
30 "arm,cci-550"
32 - reg
34 Value type: Integer cells. A register entry, expressed as a pair
40 - ranges:
42 Value type: Integer cells. An array of range entries, expressed
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| /Linux-v5.15/arch/x86/kernel/acpi/ |
| D | cstate.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * - Added _PDC for SMP C-states on Intel CPUs
12 #include <linux/cpu.h>
20 * Initialize bm_flags based on the CPU cache properties
22 * - When cache is not shared among all CPUs, we flush cache
24 * - When cache is shared among all CPUs, we use bm_check
30 unsigned int cpu) in acpi_processor_power_init_bm_check() argument
32 struct cpuinfo_x86 *c = &cpu_data(cpu); in acpi_processor_power_init_bm_check()
34 flags->bm_check = 0; in acpi_processor_power_init_bm_check()
36 flags->bm_check = 1; in acpi_processor_power_init_bm_check()
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| /Linux-v5.15/arch/x86/events/intel/ |
| D | uncore.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 #include <asm/intel-family.h>
42 int die_id = -1; in uncore_pcibus_to_dieid()
46 if (map->segment == pci_domain_nr(bus)) { in uncore_pcibus_to_dieid()
47 die_id = map->pbus_to_dieid[bus->number]; in uncore_pcibus_to_dieid()
65 return bus ? pci_domain_nr(bus) : -EINVAL; in uncore_die_to_segment()
73 list_del(&map->list); in uncore_free_pcibus_map()
87 if (map->segment == segment) in __find_pci2phy_map()
104 map->segment = segment; in __find_pci2phy_map()
106 map->pbus_to_dieid[i] = -1; in __find_pci2phy_map()
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