Re: [PATCH] optimized ktime_get[_ts] for GENERIC_TIME=y

[Martin Schwidefsky <schwidefsky@de.ibm.com>]

On Mon, 06 Jul 2009 16:07:22 +0200
Eric Dumazet <eric.dumazet@gmail.com> wrote:

> > diff -urpN linux-2.5/kernel/time/timekeeping.c linux-2.5-patched/kernel/time/timekeeping.c
> > --- linux-2.5/kernel/time/timekeeping.c	2009-07-03 10:46:07.000000000 +0200
> > +++ linux-2.5-patched/kernel/time/timekeeping.c	2009-07-03 10:46:23.000000000 +0200
> > @@ -118,6 +118,69 @@ void getnstimeofday(struct timespec *ts)
> >  
> >  EXPORT_SYMBOL(getnstimeofday);
> >  
> > +ktime_t ktime_get(void)
> > +{
> > +	cycle_t cycle_now, cycle_delta;
> > +	struct timespec time;
> > +	unsigned long seq;
> > +	s64 nsecs;
> > +
> > +	do {
> > +		seq = read_seqbegin(&xtime_lock);  
> 
> minor nit : read_seqbegin() returns an "unsigned int", not an "unsigned long"
 
Hmm, just cut-copy-pasted the seq-loop. Seems like a job for the janitor ..
But I will update my patch.

-- 
blue skies,
   Martin.

"Reality continues to ruin my life." - Calvin.