* Anton Vorontsov <avorontsov@xxxxxxxxxxxxx> wrote: > 8250's initialization routines relies on the fact that _irqsave > spinlock will disable local hardirqs, so that the driver can issue > IRQ-triggering operations before registering the port in the IRQ > chain. > > With RT kernels and preemptable hardirqs this isn't true, _irqsave > spinlock does not disable local hardirqs, and this causes following > trace: again, please let the -rt maintainers sort out which patches need to be propagated to upstream maintainers. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
