Re: [PATCH] Optimize sys_times for a single thread process

[Christoph Lameter]

On Wed, 18 May 2005, Oleg Nesterov wrote:

> Christoph Lameter wrote:
> >
> > +#ifdef CONFIG_SMP
> > +		if (current == next_thread(current)) {
> > +			/*
> > +			 * Single thread case without the use of any locks.
> 
> A nitpick, but wouldn't be it clearer to to use
> thread_group_empty(current)?

The thread ist needs to contain only one element which is current.
thread_group_empty checks for no threads.

Do we need a new macro?

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