Jubin John d35cf74492
IB/hfi1: Serialize hrtimer function calls ...
hrtimer functions do not guarantee serialization, so we extend the
cca_timer_lock to cover the hrtimer_forward_now() in the hrtimer
callback handler and the hrtimer_start() in process_becn(). This
prevents races between these 2 functions to update the hrtimer state
leading to problems such as:
kernel BUG at kernel/hrtimer.c:1282!
encountered during validation of the CCA feature.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com >
Signed-off-by: Jubin John <jubin.john@intel.com >
Signed-off-by: Doug Ledford <dledford@redhat.com >
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