lkml.org 
[lkml]   [2000]   [Dec]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subjectwhy both kernel lock as well as semaphore

In many parts of the kernel, I have seen both semaphore is taken
(eg. down(&current->mm->mmap_sem)) as well as kernel lock (lock_kernel())
is also taken, why both are required? Whats the purpose of each?

~sourav

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:52    [W:0.042 / U:7.908 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site