klp_start_transition

Name:Start the transition to the specified target patch state so tasks can begin* switching to it.

Proto:void klp_start_transition(void)

Type:void

Parameter:Nothing

468

WARN_ON_ONCE(klp_target_state == ask patch states )

470

pr_notice("'%s': starting %s transition\n", Unique handle for this module , klp_target_state == KLP_PATCHED ? "patching" : "unpatching")

479

read_lock( & tasklist_lock)

480

Careful: this is a double loop, 'break' won't work as expected. (g, task)

481

If patch_state != klp_target_state Then Set thread flags in other task's structures.* See asm/thread_info.h for TIF_xxxx flags available:

483

read_unlock( & tasklist_lock)

490

for_each_possible_cpu(cpu)

491

task = dle_task - return the idle task for a given CPU.*@cpu: the processor in question.* Return: The idle task for the CPU @cpu.

492

If patch_state != klp_target_state Then Set thread flags in other task's structures.* See asm/thread_info.h for TIF_xxxx flags available:

496

klp_signals_cnt = 0

**Caller**
Name	Describe
__klp_enable_patch
klp_reverse_transition	This function can be called in the middle of an existing transition to* reverse the direction of the target patch state. This can be done to* effectively cancel an existing enable or disable operation if there are any
__klp_disable_patch	Sysfs Interface* /sys/kernel/livepatch* /sys/kernel/livepatch/* /sys/kernel/livepatch//enabled* /sys/kernel/livepatch//transition* /sys/kernel/livepatch//force* /sys/kernel/livepatch//

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