Review your favorite Linux distribution.
Go Back > Forums > Linux Forums > Linux - Hardware > Linux - Embedded & Single-board computer
User Name
Linux - Embedded & Single-board computer This forum is for the discussion of Linux on both embedded devices and single-board computers (such as the Raspberry Pi, BeagleBoard and PandaBoard). Discussions involving Arduino, plug computers and other micro-controller like devices are also welcome.


  Search this Thread
Old 07-08-2012, 06:30 AM   #1
Registered: Jun 2012
Location: India
Distribution: 2.6.x
Posts: 40

Rep: Reputation: Disabled
Question What is lock_kernel()..?

I am studing about kernel sources. what is the work of lock_kernel() function in kernel/init/main.c

Old 07-10-2012, 03:23 PM   #2
Senior Member
Registered: Apr 2009
Posts: 1,838

Rep: Reputation: 160Reputation: 160
A lock kernel is a solitary global lock that is held whenever a thread enters kernel space, and is released when the thread returns to user space (a system call is the archetypal example).


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
lock_kernel used in musb drivers sumeet4linux Linux - Kernel 0 01-16-2009 04:31 PM > Forums > Linux Forums > Linux - Hardware > Linux - Embedded & Single-board computer

All times are GMT -5. The time now is 06:05 PM.

Main Menu
Write for LQ is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Open Source Consulting | Domain Registration