On Wed, 18 Feb 2009, Oliver Endriss wrote: > [1] If you want to lock a process against an interrupt handler, > - the process must use spin_lock_irq() > - the interrupt can use spin_lock() > > A routine has to use spin_lock_irqsave if (and only if) process and irq > call the routine concurrently. I do not see yet how this might happen. Some code calls the swfilter functions from process context and some drivers call them from interrupt context. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
