Re: Default preempt_count setting

[Matthew Wilcox <matthew@wil.cx>]

On Mon, Feb 07, 2005 at 11:48:11AM +1100, Peter Chubb wrote:
> >>>>> "Matthew" = Matthew Wilcox <matthew@wil.cx> writes:
> Matthew> #define INIT_THREAD_INFO(tsk) \ [...]  .preempt_count = 1, \
> 
> It doesn't matter: new processes have preempt_count set to one in
> sched_fork() (they don't inherit the value) which then drops to zero
> when they're first run.   So init_task's preempt count will be set to one
> when the task is created.

But init_task isn't created by copy_process(), it's statically initialised
in arch/ia64/kernel/init_task.c.  Based on that, I'd say we do need it to
change ...

-- 
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