Re: use of preempt_count instead of in_atomic() at leds-gpio.c

[Stefan Richter]

I wrote:
> > > and eth1394 to deal with temporary lack of of tlabels.  Alas I just  
> > > recently received a report that eth1394's workaround is unsuccessful 
> > > on  non-preemptible uniprocessor kernels.  
> (I haven't started working on a fix, or opened a bugzilla 
> ticket for it yet.  The reporter currently switched his kernel to 
> PREEMPT which is not affected.)

now logged as http://bugzilla.kernel.org/show_bug.cgi?id=10306

> The failure in the workaround is *not* about the in_atomic() being the 
> wrong question asked in hpsb_get_tlabel() --- no, ieee1394's in_atomic() 
> abuse works just fine even on UP PREEMPT_NONE.  Instead, the failure is 
> about kthreads not being scheduled in the way that I thought they would.
--
Stefan Richter
-=====-==--- --== =-==-
http://arcgraph.de/sr/
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