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/linux/Documentation/ABI/testing/
H A Dsysfs-devices-online6 devices whose bus types provide .online() and .offline()
8 of the device's 'offline' field. If that number is 1 and '0'
10 .offline() callback is executed for the device and (if
11 successful) its 'offline' field is updated accordingly. In
14 for the device and (if successful) its 'offline' field is
17 After a successful execution of the bus type's .offline()
H A Dsysfs-memory-page-offline6 Soft-offline the memory page containing the physical address
9 to soft-offline it, by moving the contents elsewhere or
19 fail the offline. Return value is the size of the
28 Hard-offline the memory page containing the physical
31 kernel will then attempt to hard-offline the page, by
H A Dusb-uevent7 contain ACTION=offline and ERROR=DEAD.
11 KERNEL[130.428945] offline /devices/pci0000:00/0000:00:10.0/usb2 (usb)
12 ACTION=offline
H A Dsysfs-devices-memory47 is read-write. When read, it returns the online/offline
49 the online/offline state of a memory block using the following
53 # echo offline > /sys/devices/system/memory/memoryX/state
82 For offline memory blocks, it returns by which zone memory
85 the state of an offline memory block to "online". Only one of
119 segments on memory hot un/plug and/or on/offline events, avoiding the
H A Dsysfs-devices-system-xen_cpu16 Interface to online/offline Xen physical cpus
19 to online/offline physical cpus, except cpu0 due to several
H A Dsysfs-class-remoteproc19 - "offline"
25 "offline" means the remote processor is powered off.
50 return it to the "offline" state.
/linux/tools/testing/selftests/memory-hotplug/
H A Dmem-on-off-test.sh53 hotpluggable_memory offline
68 grep -q offline $SYSFS/devices/system/memory/memory$1/state
78 echo offline > $SYSFS/devices/system/memory/memory$1/state
89 echo $FUNCNAME $memory: unexpected offline >&2
117 echo $FUNCNAME $memory: unexpected offline >&2
131 echo $FUNCNAME $memory: unexpected offline >&2
/linux/drivers/base/
H A Dcontainer.c24 return cdev->offline ? cdev->offline(cdev) : 0; in container_offline()
31 .offline = container_offline,
H A Dcpu.c251 cpumask_var_t offline; in print_cpus_offline() local
254 if (!alloc_cpumask_var(&offline, GFP_KERNEL)) in print_cpus_offline()
256 cpumask_andnot(offline, cpu_possible_mask, cpu_online_mask); in print_cpus_offline()
257 len += sysfs_emit_at(buf, len, "%*pbl", cpumask_pr_args(offline)); in print_cpus_offline()
258 free_cpumask_var(offline); in print_cpus_offline()
275 static DEVICE_ATTR(offline, 0444, print_cpus_offline, NULL);
400 .offline = cpu_subsys_offline,
/linux/tools/testing/selftests/cpu-hotplug/
H A Dcpu-on-off-test.sh32 echo "CPU online/offline summary:"
47 offline_cpus=`cat $SYSFS/devices/system/cpu/offline`
53 echo -e "\t Cpus in offline state: $offline_cpus"
108 echo $FUNCNAME $cpu: unexpected offline >&2
134 echo $FUNCNAME $cpu: unexpected offline >&2
147 echo $FUNCNAME $cpu: unexpected offline >&2
186 echo -e "\t default offline one cpu"
187 echo -e "\t run with -a option to offline all cpus"
196 # Safe test (default) - offline and online one cpu
201 echo -e "\t online to offline t
[all...]
/linux/Documentation/translations/zh_CN/admin-guide/
H A Dcputopology.rst63 offline: 由于热插拔移除或者超过内核允许的CPU上限(上文描述的kernel_max)
81 offline: 2,4-31,32-63
90 offline: 2,4-127,128-143
/linux/Documentation/translations/zh_TW/admin-guide/
H A Dcputopology.rst63 offline: 由於熱插拔移除或者超過內核允許的CPU上限(上文描述的kernel_max)
81 offline: 2,4-31,32-63
90 offline: 2,4-127,128-143
/linux/mm/kasan/
H A Dquarantine.c39 bool offline; member
210 if (q->offline) { in kasan_quarantine_put()
336 if (READ_ONCE(q->offline)) in per_cpu_remove_cache()
395 this_cpu_ptr(&cpu_quarantine)->offline = false; in kasan_cpu_online()
408 WRITE_ONCE(q->offline, true); in kasan_cpu_offline()
/linux/Documentation/admin-guide/
H A Dcputopology.rst61 offline: CPUs that are not online because they have been
84 offline: 2,4-31,32-63
91 was manually taken offline (and is the only CPU that can be brought
95 offline: 2,4-127,128-143
/linux/Documentation/translations/zh_CN/core-api/
H A Dcpu_hotplug.rst106 -r--r--r-- 1 root root 4.0K Dec 21 16:33 offline
111 文件 *offline* 、 *online* 、*possible* 、*present* 代表CPU掩码。每个CPU文件
115 smpboot: CPU 4 is now offline
381 offline 对应ONLINE阶段中不提供startup回调的状态
513 state = cpuhp_setup_state(CPUHP_ONLINE_DYN, "subsys:offline", NULL, subsys_cpu_offline);
644 if [ "${ACTION}" = "offline" ]
646 echo "CPU ${DEVPATH##*/} offline"
/linux/drivers/bus/
H A Dmips_cdmm.c270 bool offline; member
382 if (bus->offline) { in mips_cdmm_setup()
390 bus->offline = false; in mips_cdmm_setup()
635 bus->offline = true; in BUILD_PERDEV_HELPER()
663 bus->offline = false; in mips_cdmm_cpu_online()
/linux/Documentation/fault-injection/
H A Dnotifier-error-inject.rst44 Example: Inject memory hotplug offline error (-12 == -ENOMEM)::
48 # echo offline > /sys/devices/system/memory/memoryXXX/state
97 These scripts first do simple online and offline tests and then do fault
/linux/Documentation/filesystems/
H A Dzonefs.rst190 * A zone may transition to the offline condition (BLK_ZONE_COND_OFFLINE):
191 An offline zone cannot be read nor written. No user action can transition an
192 offline zone back to an operational good state. Similarly to zone read-only
193 transitions, the reasons for a drive to transition a zone to the offline
228 * A zone condition change to read-only or offline also always triggers zonefs
252 file attributes and data modification. For offline zones, all permissions
268 | (default) | offline | 0 no no no no |
272 | | offline | 0 no no no no |
275 | zone-offline | read-only | 0 no no yes no |
276 | | offline | 0 no no no no |
[all …]
/linux/net/sunrpc/
H A Dsysfs.c253 closing, congested, cwnd_wait, write_space, offline, remove; in rpc_sysfs_xprt_state_show() local
268 offline = test_bit(XPRT_OFFLINE, &xprt->state); in rpc_sysfs_xprt_state_show()
282 offline ? "OFFLINE" : "", in rpc_sysfs_xprt_state_show()
430 int offline = 0, online = 0, remove = 0; in rpc_sysfs_xprt_state_change() local
438 if (!strncmp(buf, "offline", 7)) in rpc_sysfs_xprt_state_change()
439 offline = 1; in rpc_sysfs_xprt_state_change()
457 if (offline) { in rpc_sysfs_xprt_state_change()
H A Dxprtmultipath.c65 struct rpc_xprt *xprt, bool offline) in xprt_switch_remove_xprt_locked() argument
69 if (!test_bit(XPRT_OFFLINE, &xprt->state) && offline) in xprt_switch_remove_xprt_locked()
87 struct rpc_xprt *xprt, bool offline) in rpc_xprt_switch_remove_xprt() argument
90 xprt_switch_remove_xprt_locked(xps, xprt, offline); in rpc_xprt_switch_remove_xprt()
/linux/include/linux/
H A Dcontainer.h19 int (*offline)(struct container_dev *cdev); member
/linux/Documentation/ABI/obsolete/
H A Dsysfs-firmware-acpi7 the offline failure might lead to memory corruption and crashes)
/linux/drivers/acpi/
H A Dcontainer.c59 cdev->offline = acpi_container_offline; in container_device_attach()
/linux/Documentation/RCU/Design/Expedited-Grace-Periods/
H A DExpedited-Grace-Periods.rst51 If a given CPU is offline or idle, ``synchronize_rcu_expedited()``
52 will ignore it because idle and offline CPUs are already residing
109 can arise due to races with CPUs going idle or offline, among other
122 offline and idle CPUs, again because they are in remotely detectable
134 quiescent state. Should the CPU go offline first, it will report the
142 grace periods. In addition, attempting to IPI offline CPUs will result
171 #. Any CPU that goes offline will clear its bit in its leaf ``rcu_node``
174 online or going offline to have this bit set for some time while
179 in the process of coming online or going offline, in which case it is
200 | CPU-offline operation is progressing up the tree. This situation can |
/linux/Documentation/scsi/
H A Dscsi_eh.rst367 If STU succeeds and the sdev is either offline or ready,
395 scmds on all ready or offline sdevs on the channel are
404 all ready or offline sdevs on the host are EH-finished.
410 Take all sdevs which still have unrecovered scmds offline
429 all failed scmds and either ready for new commands or offline. Also,
479 offline.

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