On Fri, 7 Sep 2012 19:43:42 -0700, Ben Widawsky <ben at bwidawsk.net> wrote: > With the new "standardized" sysfs interfaces we need to be a bit more > careful about setting the RPS values. > > Because the sysfs code and the rps workqueue can run at the same time, > if the sysfs setter wins the race to the mutex, the workqueue can come > in and set a value which is out of range (ie. we're no longer protecting > by RPINTLIM). > > I was not able to actually make this error occur in testing. > > Signed-off-by: Ben Widawsky <ben at bwidawsk.net> Good catch, care to squeeze the comment into a single line ;-) Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk> -Chris -- Chris Wilson, Intel Open Source Technology Centre
