| /linux-6.14.4/arch/arm/boot/dts/intel/axm/ |
| D | axm5516-cpus.dtsi | 13 cpu-map {
16 cpu = <&CPU0>;
19 cpu = <&CPU1>;
22 cpu = <&CPU2>;
25 cpu = <&CPU3>;
30 cpu = <&CPU4>;
33 cpu = <&CPU5>;
36 cpu = <&CPU6>;
39 cpu = <&CPU7>;
44 cpu = <&CPU8>;
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| /linux-6.14.4/Documentation/devicetree/bindings/cpu/ |
| D | cpu-topology.txt | 2 CPU topology binding description
20 For instance in a system where CPUs support SMT, "cpu" nodes represent all
22 In systems where SMT is not supported "cpu" nodes represent all cores present
25 CPU topology bindings allow one to associate cpu nodes with hierarchical groups
29 Currently, only ARM/RISC-V intend to use this cpu topology binding but it may be
32 The cpu nodes, as per bindings defined in [4], represent the devices that
35 A topology description containing phandles to cpu nodes that are not compliant
39 2 - cpu-map node
42 The ARM/RISC-V CPU topology is defined within the cpu-map node, which is a direct
46 - cpu-map node
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| /linux-6.14.4/arch/arm/mach-meson/ |
| D | platsmp.c | 38 static struct reset_control *meson_smp_get_core_reset(int cpu) in meson_smp_get_core_reset() argument
40 struct device_node *np = of_get_cpu_node(cpu, 0); in meson_smp_get_core_reset()
45 static void meson_smp_set_cpu_ctrl(int cpu, bool on_off) in meson_smp_set_cpu_ctrl() argument
50 val |= BIT(cpu); in meson_smp_set_cpu_ctrl()
52 val &= ~BIT(cpu); in meson_smp_set_cpu_ctrl()
116 static void meson_smp_begin_secondary_boot(unsigned int cpu) in meson_smp_begin_secondary_boot() argument
119 * Set the entry point before powering on the CPU through the SCU. This in meson_smp_begin_secondary_boot()
120 * is needed if the CPU is in "warm" state (= after rebooting the in meson_smp_begin_secondary_boot()
121 * system without power-cycling, or when taking the CPU offline and in meson_smp_begin_secondary_boot()
125 sram_base + MESON_SMP_SRAM_CPU_CTRL_ADDR_REG(cpu)); in meson_smp_begin_secondary_boot()
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| /linux-6.14.4/drivers/cpufreq/ |
| D | intel_pstate.c | 21 #include <linux/cpu.h>
33 #include <asm/cpu.h>
100 * to account for cpu idle period
136 * Stores the per cpu model P state limits and current P state.
191 * struct cpudata - Per CPU instance data storage
192 * @cpu: CPU number for this instance data
198 * @pstate: Stores P state limits for this CPU
199 * @vid: Stores VID limits for this CPU
221 * @sched_flags: Store scheduler flags for possible cross CPU update
226 * This structure stores per CPU instance data for all CPUs.
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| /linux-6.14.4/tools/perf/pmu-events/arch/s390/cf_z16/ |
| D | crypto6.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.14.4/tools/perf/pmu-events/arch/s390/cf_z15/ |
| D | crypto6.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.14.4/arch/arm64/boot/dts/cavium/ |
| D | thunder-88xx.dtsi | 65 cpu@0 {
66 device_type = "cpu";
71 cpu@1 {
72 device_type = "cpu";
77 cpu@2 {
78 device_type = "cpu";
83 cpu@3 {
84 device_type = "cpu";
89 cpu@4 {
90 device_type = "cpu";
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|
| /linux-6.14.4/arch/arm/mach-tegra/ |
| D | platsmp.c | 36 static void tegra_secondary_init(unsigned int cpu) in tegra_secondary_init() argument
38 cpumask_set_cpu(cpu, &tegra_cpu_init_mask); in tegra_secondary_init()
42 static int tegra20_boot_secondary(unsigned int cpu, struct task_struct *idle) in tegra20_boot_secondary() argument
44 cpu = cpu_logical_map(cpu); in tegra20_boot_secondary()
47 * Force the CPU into reset. The CPU must remain in reset when in tegra20_boot_secondary()
49 * flow controller to stop driving reset if the CPU has been in tegra20_boot_secondary()
51 * effect on first boot of the CPU since it should already be in tegra20_boot_secondary()
54 tegra_put_cpu_in_reset(cpu); in tegra20_boot_secondary()
57 * Unhalt the CPU. If the flow controller was used to in tegra20_boot_secondary()
58 * power-gate the CPU this will cause the flow controller to in tegra20_boot_secondary()
[all …]
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| /linux-6.14.4/arch/arm64/kernel/ |
| D | smp.c | 23 #include <linux/cpu.h>
42 #include <asm/cpu.h>
90 static void ipi_setup(int cpu);
93 static void ipi_teardown(int cpu);
94 static int op_cpu_kill(unsigned int cpu);
96 static inline int op_cpu_kill(unsigned int cpu) in op_cpu_kill() argument
104 * Boot a secondary CPU, and assign it the specified idle task.
105 * This also gives us the initial stack to use for this CPU.
107 static int boot_secondary(unsigned int cpu, struct task_struct *idle) in boot_secondary() argument
109 const struct cpu_operations *ops = get_cpu_ops(cpu); in boot_secondary()
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| /linux-6.14.4/tools/testing/selftests/cpu-hotplug/ |
| D | cpu-on-off-test.sh | 27 if ! ls $SYSFS/devices/system/cpu/cpu* > /dev/null 2>&1; then
28 echo $msg cpu hotplug is not supported >&2
32 echo "CPU online/offline summary:"
33 online_cpus=`cat $SYSFS/devices/system/cpu/online`
37 echo "$msg: since there is only one cpu: $online_cpus"
41 present_cpus=`cat $SYSFS/devices/system/cpu/present`
47 offline_cpus=`cat $SYSFS/devices/system/cpu/offline`
63 for cpu in $SYSFS/devices/system/cpu/cpu*; do
64 if [ -f $cpu/online ] && grep -q $state $cpu/online; then
65 echo ${cpu##/*/cpu}
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| /linux-6.14.4/drivers/base/ |
| D | arch_topology.c | 3 * Arch specific cpu topology information
12 #include <linux/cpu.h>
66 int cpu; in topology_set_scale_freq_source() local
77 for_each_cpu(cpu, cpus) { in topology_set_scale_freq_source()
78 sfd = rcu_dereference(*per_cpu_ptr(&sft_data, cpu)); in topology_set_scale_freq_source()
82 rcu_assign_pointer(per_cpu(sft_data, cpu), data); in topology_set_scale_freq_source()
83 cpumask_set_cpu(cpu, &scale_freq_counters_mask); in topology_set_scale_freq_source()
97 int cpu; in topology_clear_scale_freq_source() local
101 for_each_cpu(cpu, cpus) { in topology_clear_scale_freq_source()
102 sfd = rcu_dereference(*per_cpu_ptr(&sft_data, cpu)); in topology_clear_scale_freq_source()
[all …]
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| D | cacheinfo.c | 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
28 #define per_cpu_cacheinfo_idx(cpu, idx) \ argument
29 (per_cpu_cacheinfo(cpu) + (idx))
34 struct cpu_cacheinfo *get_cpu_cacheinfo(unsigned int cpu) in get_cpu_cacheinfo() argument
36 return ci_cacheinfo(cpu); in get_cpu_cacheinfo()
[all …]
|
| /linux-6.14.4/tools/perf/tests/ |
| D | topology.c | 71 struct perf_cpu cpu; in check_cpu_topology() local
80 * cpu is a NULL pointer. in check_cpu_topology()
82 * CPU 0 is on core_id 0 and physical_package_id 6 in check_cpu_topology()
83 * CPU 1 is on core_id 1 and physical_package_id 3 in check_cpu_topology()
86 * dependent and might have higher numbers than the CPU id. in check_cpu_topology()
98 if (!session->header.env.cpu in check_cpu_topology()
107 * test if physical_package_id returns -1 for cpu from perf_cpu_map. in check_cpu_topology()
114 TEST_ASSERT_VAL("Session header CPU map not set", session->header.env.cpu); in check_cpu_topology()
117 cpu.cpu = i; in check_cpu_topology()
118 if (!perf_cpu_map__has(map, cpu)) in check_cpu_topology()
[all …]
|
| /linux-6.14.4/tools/perf/pmu-events/arch/s390/cf_zec12/ |
| D | crypto.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.14.4/tools/perf/pmu-events/arch/s390/cf_z13/ |
| D | crypto.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.14.4/tools/perf/pmu-events/arch/s390/cf_z14/ |
| D | crypto.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.14.4/tools/perf/pmu-events/arch/s390/cf_z196/ |
| D | crypto.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.14.4/tools/perf/pmu-events/arch/s390/cf_z10/ |
| D | crypto.json | 3 "Unit": "CPU-M-CF",
7 …counter counts the total number of the pseudorandom-number-generation functions issued by the CPU."
10 "Unit": "CPU-M-CF",
14 …al number of CPU cycles when the DEA/AES/SHA coprocessor is busy performing the pseudorandom- numb…
17 "Unit": "CPU-M-CF",
21 …that are issued by the CPU and are blocked because the DEA/AES/SHA coprocessor is busy performing …
24 "Unit": "CPU-M-CF",
28 …CPU cycles blocked for the pseudorandom-number-generation functions issued by the CPU because the …
31 "Unit": "CPU-M-CF",
35 …"PublicDescription": "This counter counts the total number of the SHA functions issued by the CPU."
[all …]
|
| /linux-6.14.4/arch/powerpc/kernel/ |
| D | smp.c | 29 #include <linux/cpu.h>
76 /* State of each CPU during hotplug phases */
117 * On big-cores system, thread_group_l1_cache_map for each CPU corresponds to
123 * On some big-cores system, thread_group_l2_cache_map for each CPU
130 * On P10, thread_group_l3_cache_map for each CPU is equal to the
144 * Returns 1 if the specified cpu should be brought up during boot.
278 void smp_muxed_ipi_set_message(int cpu, int msg) in smp_muxed_ipi_set_message() argument
280 struct cpu_messages *info = &per_cpu(ipi_message, cpu); in smp_muxed_ipi_set_message()
290 void smp_muxed_ipi_message_pass(int cpu, int msg) in smp_muxed_ipi_message_pass() argument
292 smp_muxed_ipi_set_message(cpu, msg); in smp_muxed_ipi_message_pass()
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| /linux-6.14.4/drivers/of/ |
| D | cpu.c | 2 #include <linux/cpu.h>
7 * of_get_cpu_hwid - Get the hardware ID from a CPU device node
9 * @cpun: CPU number(logical index) for which device node is required
12 * Return: The hardware ID for the CPU node or ~0ULL if not found.
29 * arch_match_cpu_phys_id - Match the given logical CPU and physical id
31 * @cpu: logical cpu index of a core/thread
34 * CPU logical to physical index mapping is architecture specific.
36 * id to logical cpu index. phys_id provided here is usually values read
39 * Returns true if the physical identifier and the logical cpu index
42 bool __weak arch_match_cpu_phys_id(int cpu, u64 phys_id) in arch_match_cpu_phys_id() argument
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| /linux-6.14.4/include/linux/ |
| D | cpumask.h | 7 * set of CPUs in a system, one bit position per CPU number. In general,
82 * cpu_possible_mask- has bit 'cpu' set iff cpu is populatable
83 * cpu_present_mask - has bit 'cpu' set iff cpu is populated
84 * cpu_enabled_mask - has bit 'cpu' set iff cpu can be brought online
85 * cpu_online_mask - has bit 'cpu' set iff cpu available to scheduler
86 * cpu_active_mask - has bit 'cpu' set iff cpu available to migration
90 * The cpu_possible_mask is fixed at boot time, as the set of CPU IDs
106 * assumption that their single CPU is online. The UP
112 * only one CPU.
132 static __always_inline void cpu_max_bits_warn(unsigned int cpu, unsigned int bits) in cpu_max_bits_warn() argument
[all …]
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| /linux-6.14.4/arch/s390/kernel/ |
| D | smp.c | 13 * The code outside of smp.c uses logical cpu numbers, only smp.c does
14 * the translation of logical to physical cpu ids. All new code that
15 * operates on physical cpu numbers needs to go into smp.c.
18 #define KMSG_COMPONENT "cpu"
33 #include <linux/cpu.h>
80 * Pointer to the pcpu area of the boot CPU. This is required when a restart
81 * interrupt is triggered on an offline CPU. For that case accessing percpu
164 /* Status stored condition code is equivalent to cpu not running. */ in pcpu_running()
169 * Find struct pcpu by cpu address.
173 int cpu; in pcpu_find_address() local
[all …]
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| /linux-6.14.4/arch/arm64/boot/dts/amd/ |
| D | elba-16core.dtsi | 11 cpu-map {
13 core0 { cpu = <&cpu0>; };
14 core1 { cpu = <&cpu1>; };
15 core2 { cpu = <&cpu2>; };
16 core3 { cpu = <&cpu3>; };
20 core0 { cpu = <&cpu4>; };
21 core1 { cpu = <&cpu5>; };
22 core2 { cpu = <&cpu6>; };
23 core3 { cpu = <&cpu7>; };
27 core0 { cpu = <&cpu8>; };
[all …]
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| /linux-6.14.4/arch/x86/xen/ |
| D | smp.c | 3 #include <linux/cpu.h>
32 void xen_smp_intr_free(unsigned int cpu) in xen_smp_intr_free() argument
34 kfree(per_cpu(xen_resched_irq, cpu).name); in xen_smp_intr_free()
35 per_cpu(xen_resched_irq, cpu).name = NULL; in xen_smp_intr_free()
36 if (per_cpu(xen_resched_irq, cpu).irq >= 0) { in xen_smp_intr_free()
37 unbind_from_irqhandler(per_cpu(xen_resched_irq, cpu).irq, NULL); in xen_smp_intr_free()
38 per_cpu(xen_resched_irq, cpu).irq = -1; in xen_smp_intr_free()
40 kfree(per_cpu(xen_callfunc_irq, cpu).name); in xen_smp_intr_free()
41 per_cpu(xen_callfunc_irq, cpu).name = NULL; in xen_smp_intr_free()
42 if (per_cpu(xen_callfunc_irq, cpu).irq >= 0) { in xen_smp_intr_free()
[all …]
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| /linux-6.14.4/arch/arm/mach-bcm/ |
| D | platsmp-brcmstb.c | 3 * Broadcom STB CPU SMP and hotplug support for ARM
52 * We must quiesce a dying CPU before it can be killed by the boot CPU. Because
59 static int per_cpu_sw_state_rd(u32 cpu) in per_cpu_sw_state_rd() argument
61 sync_cache_r(SHIFT_PERCPU_PTR(&per_cpu_sw_state, per_cpu_offset(cpu))); in per_cpu_sw_state_rd()
62 return per_cpu(per_cpu_sw_state, cpu); in per_cpu_sw_state_rd()
65 static void per_cpu_sw_state_wr(u32 cpu, int val) in per_cpu_sw_state_wr() argument
68 per_cpu(per_cpu_sw_state, cpu) = val; in per_cpu_sw_state_wr()
69 sync_cache_w(SHIFT_PERCPU_PTR(&per_cpu_sw_state, per_cpu_offset(cpu))); in per_cpu_sw_state_wr()
72 static inline void per_cpu_sw_state_wr(u32 cpu, int val) { } in per_cpu_sw_state_wr() argument
75 static void __iomem *pwr_ctrl_get_base(u32 cpu) in pwr_ctrl_get_base() argument
[all …]
|