On 2019-09-20 11:08:35 [+0100], Julien Grall wrote: > At the moment, UBSAN report will be serialized using a spin_lock(). On > RT-systems, spinlocks are turned to rt_spin_lock and may sleep. This will > result to the following splat if the undefined behavior is in a context > that can sleep: … > So the lock usefulness seems pretty limited. Rather than trying to > accomodate RT-system by switching to a raw_spin_lock(), the lock is now > completely dropped. > > Reported-by: Andre Przywara <andre.przyw...@arm.com> > Signed-off-by: Julien Grall <julien.gr...@arm.com>
I just applied this to my RT tree. Is someone here feeling responsible to apply this upstream? Sebastian
