On 4/29/06, Manjunath Naik <peter.desouzain@xxxxxxxxx> wrote:
I was not able to understand what exaclty is happened in this macro.
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But I was not able to understand how exactly it works:
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#define preempt_disable() \ But I was not able to understand how exactly preempting works. when
While we hold a spin lock to protect a critical region, it is necessary for us to disable preemption. To disable preemption, we increment the preempt count.
schedular wants to schedule the other process, it checks the thread_info->preempt_count value? If it is yes plese provide me some links or code reference for it.
Documentation/preempt-locking.txt -- ./hareesh -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
