Re: [ANNOUNCE] 3.4.41-rt55-feat1

[Mike Galbraith <bitbucket@online.de>]

On Thu, 2013-04-25 at 08:43 -0400, Steven Rostedt wrote: 
> On Thu, 2013-04-25 at 14:36 +0200, Mike Galbraith wrote:
> > On Thu, 2013-04-25 at 14:32 +0200, Sebastian Andrzej Siewior wrote: 
> > > On 04/25/2013 01:14 PM, Tim Sander wrote:
> > > > Hi 
> > > > 
> > > > I just wanted to test this release but it fails to compile with the the 
> > > > following error:
> > > > 
> > > > kernel/hrtimer.c: In function '__hrtimer_start_range_ns':
> > > > kernel/hrtimer.c:1045:7: error: implicit declaration of function 
> > > > 'hrtimer_rt_defer'
> > > > kernel/hrtimer.c: At top level:
> > > > kernel/hrtimer.c:1416:12: error: static declaration of 'hrtimer_rt_defer' 
> > > > follows non-static declaration
> > > > kernel/hrtimer.c:1045:10: note: previous implicit declaration of 
> > > > 'hrtimer_rt_defer' was here
> > > > 
> > > > The kernelconfig is attached.
> > > 
> > > You do not have CONFIG_HIGH_RES_TIMERS defined. Is this on purpose?
> > 
> > git@marge:~/linux-2.6> ls -1 arch/arm/configs|wc -l
> > 122
> > git@marge:~/linux-2.6> grep -IR CONFIG_HIGH_RES_TIMERS arch/arm/configs|wc -l
> > 31
> > 
> > Oh.  Sniff, poor little things.
> > 
> > hrtimer: fix hrtimer free zone build bug
> 
> Perhaps the better solution is to select HIGH_RES_TIMERS when
> PREEMPT_RT_FULL is selected?

If they have support, most definitely.  I got the impression lots of ARM
boxen are impoverished.. why else would they not have it already set?

-Mike