On Thu, 5 Oct 2017, Julia Cartwright wrote: > On Tue, Oct 03, 2017 at 12:49:19PM -0300, Arnaldo Carvalho de Melo wrote: > > - preempt_disable(); > > + preempt_disable_nort(); > > this_cpu_inc(*sc->buffers_allocated); > > Have you tried this on RT w/ CONFIG_DEBUG_PREEMPT? I believe that the > this_cpu_* operations perform a preemption check, which we'd trip. Good point. Changing this to migrate_disable() would do the trick. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
