try_to_optimize_kprobe

Name:Prepare an optimized_kprobe and optimize it* NOTE: p must be a normal registered kprobe

Proto:static void try_to_optimize_kprobe(struct kprobe *p)

Type:void

Parameter:

Type	Parameter	Name
struct kprobe *	p

807

If Is this kprobe uses ftrace ? Then Return

811

cpus_read_lock()

812

jump_label_lock()

813

mutex_lock( & mutex protecting text section modification (dynamic code patching).* some users need to sleep (allocating memory...) while they hold this lock.* Note: Also protects SMP-alternatives modification on x86.)

815

ap = Allocate new optimized_kprobe and try to prepare optimized instructions

816

If Not ap Then Go to out

819

op = container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(ap, structoptimized_kprobe, kp)

820

If Not Return true (!0) if optinsn is prepared for optimization. Then

822

arch_remove_optimized_kprobe(op)

823

824

Go to out

827

init_aggr_kprobe(ap, p)

828

Optimize kprobe if p is ready to be optimized

830

out :

831

mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.

832

jump_label_unlock()

833

cpus_read_unlock()

**Caller**
Name	Describe
register_kprobe

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