On Fri, Mar 13, 2015 at 2:36 AM, Meyer Lansky <markus93@inbox.ru> wrote:
Hello all continue to study the scheduler is O(1) there was one difficulty with the string 2 on 3, in that these blocking occurs after lines? a reference to the code that study - http://lxr.free-electrons.com/source/kernel/sched.c?v=2.6.36 what I learn on line 4682 to 4695.
1 rcu_read_lock(); 2 pcred = __task_cred(p); 3 match = (cred->euid == pcred->euid || cred->euid == pcread->uid); 4 rcu_read_unlock();
I ask because in the comments there is not described. Thank.
Hi I am not clear about your question. perhaps specifically you asked about why rcu_read_lock() is called?
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