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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.

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Old 07-08-2012, 05:30 AM   #1
manoj7410
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Registered: Jun 2012
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Question What is lock_kernel()..?


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

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Thanks
 
Old 07-10-2012, 02:23 PM   #2
nini09
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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).
 
  


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