/linux/drivers/s390/crypto/ |
H A D | zcrypt_queue.c | 46 int online = aq->config && !aq->chkstop && zq->online ? 1 : 0; in online_show() local 48 return sysfs_emit(buf, "%d\n", online); in online_show() 58 int online; in online_store() local 60 if (sscanf(buf, "%d\n", &online) != 1 || online < 0 || online > 1) in online_store() 63 if (online && (!aq->config || !aq->card->config || in online_store() 66 if (online && !zc->online) in online_store() 104 zcrypt_queue_force_online(struct zcrypt_queue * zq,int online) zcrypt_queue_force_online() argument [all...] |
H A D | zcrypt_card.c | 56 int online = ac->config && !ac->chkstop && zc->online ? 1 : 0; in online_show() local 58 return sysfs_emit(buf, "%d\n", online); in online_show() 68 int online, id, i = 0, maxzqs = 0; in online_store() local 71 if (sscanf(buf, "%d\n", &online) != 1 || online < 0 || online > 1) in online_store() 74 if (online && (!ac->config || ac->chkstop)) in online_store() 77 zc->online = online; in online_store() [all...] |
/linux/tools/testing/selftests/cpu-hotplug/ |
H A D | cpu-on-off-test.sh | 32 echo "CPU online/offline summary:" 33 online_cpus=`cat $SYSFS/devices/system/cpu/online` 45 echo -e "\t Cpus in online state: $online_cpus" 64 if [ -f $cpu/online ] && grep -q $state $cpu/online; then 82 grep -q 1 $SYSFS/devices/system/cpu/cpu$1/online 87 grep -q 0 $SYSFS/devices/system/cpu/cpu$1/online 92 echo 1 > $SYSFS/devices/system/cpu/cpu$1/online 97 echo 0 > $SYSFS/devices/system/cpu/cpu$1/online 121 echo $FUNCNAME $cpu: unexpected online > [all...] |
/linux/Documentation/core-api/ |
H A D | cpu_hotplug.rst | 36 other CPUs later online. 41 those CPUs can not be brought online later. 65 Bitmap of all CPUs currently online. Its set in ``__cpu_up()`` 73 of them may be online. When physical hotplug is processed by the relevant 106 -r--r--r-- 1 root root 4.0K Dec 21 16:33 online 110 The files *offline*, *online*, *possible*, *present* represent the CPU masks. 111 Each CPU folder contains an *online* file which controls the logical on (1) and 114 $ echo 0 > /sys/devices/system/cpu/cpu4/online 119 bring CPU4 back online:: 121 $ echo 1 > /sys/devices/system/cpu/cpu4/online [all...] |
H A D | memory-hotplug.rst | 26 Generated when memory has successfully brought online. The callback may 64 - start_pfn is start_pfn of online/offline memory. 65 - nr_pages is # of pages of online/offline memory. 165 - synchronize against online/offline requests (e.g. via sysfs). This way, memory 166 block devices can only be accessed (.online/.state attributes) by user 172 device_hotplug_lock when adding memory and user space tries to online that
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/linux/tools/testing/selftests/memory-hotplug/ |
H A D | mem-on-off-test.sh | 58 hotpluggable_memory online 63 grep -q online $SYSFS/devices/system/memory/memory$1/state 73 echo online > $SYSFS/devices/system/memory/memory$1/state 103 echo $FUNCNAME $memory: unexpected online >&2 184 # Online all hot-pluggable memory 187 echo -e "\t online all hot-pluggable memory in offline state:" 190 echo "offline->online memory$memory" 204 echo -e "\t offline $ratio% hot-pluggable memory in online state" 208 echo "online->offline memory$memory" 223 # Online al [all...] |
/linux/tools/testing/selftests/ftrace/test.d/ftrace/ |
H A D | func_hotplug.tc | 19 # Find online cpu 21 if [ -f $i/online ] && [ "$(cat $i/online)" = "1" ]; then 28 echo "We cannot test cpu hotplug with a single cpu online" 35 : "Set $(basename $cpu) offline/online with function tracer enabled" 38 (echo 0 > $cpu/online) 40 (echo 1 > $cpu/online)
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/linux/Documentation/arch/s390/ |
H A D | driver-model.rst | 49 online: 50 An interface to set the device online and offline. 52 notify function under 1.2), piping 0 to online will forcibly delete 77 via the 'online' interface. 93 int online; 161 activated via the 'online' attribute. The driver should finally 171 verified that the device is not already online. 175 de-activated via the 'online' attribute. The driver should shut 185 verified that the device is online. 194 * In online stat [all...] |
/linux/Documentation/admin-guide/ |
H A D | cputopology.rst | 61 offline: CPUs that are not online because they have been 66 online: CPUs that are online and being scheduled [cpu_online_mask] 69 brought online if they are present. [cpu_possible_mask] 80 being 32. Note also that CPUs 2 and 4-31 are not online but could be 81 brought online as they are both present and possible:: 85 online: 0-1,3 92 online.):: 96 online: 0-1,3
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/linux/drivers/power/supply/ |
H A D | 88pm860x_charger.c | 107 unsigned online:1; /* usb charger */ member 274 if (vbatt > CHARGE_THRESHOLD && info->online) in stop_charge() 317 (info->online) ? "online" : "N/A", in set_charging_fsm() 323 if (info->online && info->present && info->allowed) { in set_charging_fsm() 344 if (info->online && info->present && info->allowed) { in set_charging_fsm() 355 if (info->online && info->present && info->allowed) { in set_charging_fsm() 366 if (info->online && info->present && info->allowed) { in set_charging_fsm() 377 else if (vbatt > CHARGE_THRESHOLD && info->online) in set_charging_fsm() 389 (info->online) in set_charging_fsm() [all...] |
/linux/Documentation/admin-guide/mm/ |
H A D | memory-hotplug.rst | 140 make use of that memory: the memory block has to be "online". 145 The Linux kernel can be configured to automatically online added memory blocks 160 % echo online > /sys/devices/system/memory/memoryXXX/state 164 % echo 1 > /sys/devices/system/memory/memoryXXX/online 179 be "online". If it fails, the state of the memory block will remain unchanged 189 The configured auto-online behavior can be observed via:: 193 Auto-onlining can be enabled by writing ``online``, ``online_kernel`` or 196 % echo online > /sys/devices/system/memory/auto_online_blocks 198 Similarly to manual onlining, with ``online`` the kernel will select the 201 Modifying the auto-online behavio [all...] |
/linux/tools/testing/selftests/bpf/prog_tests/ |
H A D | perf_buffer.c | 54 bool *online; in serial_test_perf_buffer() local 60 err = parse_cpu_mask_file("/sys/devices/system/cpu/online", in serial_test_perf_buffer() 61 &online, &on_len); in serial_test_perf_buffer() 66 if (online[i]) in serial_test_perf_buffer() 95 if (i >= on_len || !online[i]) { in serial_test_perf_buffer() 118 if (i >= on_len || !online[i]) in serial_test_perf_buffer() 146 free(online); in serial_test_perf_buffer()
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H A D | raw_tp_test_run.c | 15 bool *online = NULL; in test_raw_tp_test_run() local 22 err = parse_cpu_mask_file("/sys/devices/system/cpu/online", &online, in test_raw_tp_test_run() 58 if (!online[i]) in test_raw_tp_test_run() 85 free(online); in test_raw_tp_test_run()
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/linux/tools/testing/selftests/sched_ext/ |
H A D | hotplug.c | 18 const char *online_path = "/sys/devices/system/cpu/cpu1/online"; 25 static void toggle_online_status(bool online) in toggle_online_status() argument 27 long val = online ? 1 : 0; in toggle_online_status() 33 online ? "online" : "offline", strerror(errno)); in toggle_online_status() 57 /* Testing the offline -> online path, so go offline before starting */ in test_hotplug()
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/linux/Documentation/filesystems/xfs/ |
H A D | xfs-online-fsck-design.rst | 18 XFS Online Fsck Design 21 This document captures the design of the online filesystem check feature for 25 - To help kernel distributors understand exactly what the XFS online fsck 34 As the online fsck code is merged, the links in this document to topic branches 42 Parts 2 and 3 present a high level overview of how online fsck process works 49 might be built atop online fsck. 112 Each kernel patchset adding an online repair function will use the same branch 118 The online fsck tool described here will be the third tool in the history of 162 while the filesystem is online. 188 | The userspace driver program for the new online fsc [all...] |
/linux/Documentation/ABI/testing/ |
H A D | sysfs-devices-memory | 47 is read-write. When read, it returns the online/offline 49 the online/offline state of a memory block using the following 52 # echo online > /sys/devices/system/memory/memoryX/state 60 reading the file will return "online"; the zone information 77 For online memory blocks, it returns in which zone memory 85 the state of an offline memory block to "online". Only one of
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H A D | sysfs-devices-system-xen_cpu | 12 What: /sys/devices/system/xen_cpu/xen_cpu#/online 16 Interface to online/offline Xen physical cpus 19 to online/offline physical cpus, except cpu0 due to several
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/linux/mm/ |
H A D | memory_hotplug.c | 158 * memory_hotplug.online_policy: configure online behavior when onlining without 162 * "auto-movable": online memory to ZONE_MOVABLE if the configuration 172 "Set the online policy (\"contig-zones\", \"auto-movable\") " 179 * online some memory to ZONE_MOVABLE -- e.g., because hotplugged KERNEL memory 186 "in percent for \"auto-movable\" online policy. Default: 301"); 196 "\"auto-movable\" online policy. Default: true"); 326 * memory that will be marked online, so this check should only in check_pfn_span() 342 * Return page for the valid pfn only if the page is online. All pfn 376 * get_dev_pagemap() can determine sub-section online status. in pfn_to_online_page() 664 * Online th in online_pages_range() [all...] |
/linux/tools/perf/arch/arm/util/ |
H A D | pmu.c | 21 struct perf_cpu_map *intersect, *online = cpu_map__online(); in perf_pmu__arch_init() local 43 /* Workaround some ARM PMU's failing to correctly set CPU maps for online processors. */ in perf_pmu__arch_init() 44 intersect = perf_cpu_map__intersect(online, pmu->cpus); in perf_pmu__arch_init() 45 perf_cpu_map__put(online); in perf_pmu__arch_init()
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/linux/arch/s390/include/asm/ |
H A D | physmem_info.h | 55 struct physmem_range online[MEM_INLINED_ENTRIES]; member 73 *start = (unsigned long)physmem_info.online[n].start; in __get_physmem_range() 74 *end = (unsigned long)physmem_info.online[n].end; in __get_physmem_range() 90 * for_each_physmem_usable_range - early online memory range iterator 95 * Walks over detected online memory ranges below usable limit. 100 /* Walks over all detected online memory ranges disregarding usable limit. */
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/linux/Documentation/driver-api/cxl/linux/ |
H A D | memory-hotplug.rst | 12 1) Default Online Behavior (on/off and zone) 17 Default Online Behavior 19 The default-online behavior of hotplug memory is dictated by the following, 29 2) Online in :code:`ZONE_NORMAL` 30 3) Online in :code:`ZONE_MOVABLE`
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/linux/kernel/irq/ |
H A D | matrix.c | 17 bool online; member 81 * irq_matrix_online - Bring the local CPU matrix online 88 BUG_ON(cm->online); in irq_matrix_online() 96 cm->online = true; in irq_matrix_online() 111 cm->online = false; in irq_matrix_offline() 146 if (!cm->online || cm->available <= maxavl) in matrix_find_best_cpu() 167 if (!cm->online || cm->managed_allocated > allocated) in matrix_find_best_cpu_managed() 228 if (cm->online) { in irq_matrix_reserve_managed() 278 if (cm->online) { in irq_matrix_remove_managed() 439 if (cm->online) in irq_matrix_free() [all...] |
/linux/Documentation/arch/arm64/ |
H A D | cpu-hotplug.rst | 9 CPUs online/offline using PSCI. This document is about ACPI firmware allowing 51 marked as disabled by firmware. Only the CPU's online/offline behaviour is 59 brought online. Firmware can enforce its policy via PSCI's return codes. e.g. 64 ``enabled`` in the MADT GICC structures, but should have the ``online capable`` 69 CPUs described as ``online capable`` but not ``enabled`` can be set to enabled
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/linux/Documentation/trace/rv/ |
H A D | runtime-verification.rst | 19 *online* verification of a system, enabling the *reaction* for unexpected 77 Online RV monitors 80 Monitors can be classified as *offline* and *online* monitors. *Offline* 82 reading the trace execution from a permanent storage system. *Online* monitors 83 process the trace during the execution of the system. Online monitors are said 89 file. In contrast, *synchronous online* method can react at the exact moment 97 *synchronous online* monitors will incur on lower overhead. 109 This motivated the development of an in-kernel interface for online monitors.
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/linux/arch/mips/kernel/ |
H A D | pm-cps.c | 27 * @online: the count of online coupled VPEs 39 typedef unsigned (*cps_nc_entry_fn)(unsigned online, u32 *nc_ready_count); 57 /* Indicates online CPUs coupled with the current CPU */ 75 static void coupled_barrier(atomic_t *a, unsigned online) in coupled_barrier() argument 89 while (atomic_read(a) < online) in coupled_barrier() 92 if (atomic_inc_return(a) == online * 2) { in coupled_barrier() 97 while (atomic_read(a) > online) in coupled_barrier() 106 unsigned online, left; in cps_pm_enter_state() local 121 /* Calculate which coupled CPUs (VPEs) are online */ in cps_pm_enter_state() [all...] |