On 10/07/15 15:42, Juergen Gross wrote: > When dom0 is being ballooned balloon_process() will hold the balloon > mutex until it is finished. This will block e.g. creation of new > domains as the device backends for the new domain need some > autoballooned pages for the ring buffers. > > Avoid this by releasing the balloon mutex from time to time during > ballooning. Add a state variable to indicate one balloon_process() > is active to avoid multiple balloon processes fighting for the mutex.
Is this state variable necessary? balloon_process() is a work item so there should only be one instance of it running anyway, yes? David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
